pike.git/src/configure.in:c334a0a5eea6cdbfea41415f4bb243d73ff32ba2

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5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 AC_REVISION("$Id: configure.in,v 1.514 2001/03/27 20:58:18 grubba Exp $") AC_INIT(interpret.c) AC_CONFIG_HEADER(machine.h) # We want an absolute path to the source-dir. case "$srcdir" in /*) ;; *) oldsrcdir="$srcdir" srcdir="`cd \"$srcdir\";pwd`" AC_MSG_WARN([ Converted $oldsrcdir to $srcdir, If this does not work, please use an absolute path to the configure script. ]) ;; esac # Attempt to use bash instead of /bin/sh to run configure # since bash is usually several orders of magnitude faster # on machines that have a real /bin/sh. if test "x$CONFIG_SHELL" = "x"; then AC_PATH_PROG(bash_prog, bash, no) if test "x$ac_cv_path_bash_prog" = "xno"; then :; else AC_MSG_WARN([Found bash as $ac_cv_path_bash_prog. Will attempt to restart configure with bash for performance. If this fails, please set CONFIG_SHELL to /bin/sh before starting configure. ]) CONFIG_SHELL="$ac_cv_path_bash_prog" export CONFIG_SHELL echo $CONFIG_SHELL "$srcdir/configure" $ac_configure_args exec $CONFIG_SHELL "$srcdir/configure" $ac_configure_args fi else :; fi if test "x${CFLAGS-}" = x ; then cflags_is_set=no else cflags_is_set=yes fi if test "x${CPPFLAGS-}" = x ; then cppflags_is_set=no else cppflags_is_set=yes fi if test "x${LDFLAGS-}" = x ; then ldflags_is_set=no else ldflags_is_set=yes fi for ac_site_file in $CONFIG_SITE; do if test -r "$ac_site_file"; then AC_MSG_WARN([You are using a site file to initialize configure, please note that this can lead to problems if anything in $ac_site_file is not correct. If Pike does not compile, or does not run, please try this to compile Pike again: rm ./config.cache ; CONFIG_SITE=x ./configure ; make]) fi done AC_ARG_ENABLE(binary, [ --disable-binary don't configure for binary build, only do tests for precompilation stuff], [], [enable_binary=yes]) if test "x$enable_binary" = "xno"; then AC_MSG_WARN(Short-circuiting configure tests for binary building.) AC_MSG_WARN(Only some targets in the Makefile can be used.) CC=false CPP=echo else if test ! -z "$pike_cv_prog_CC_save" -a ! -z "$CC" -a "$CC" != "$pike_cv_prog_CC_save" then AC_MSG_WARN([CC is different than last time Pike was compiled, It is probably best to delete ./config.cache before proceeding]) fi pike_cv_prog_CC_save="$CC" # MY_AC_PROG_CC # The above has problems if the smartlink binary is removed. /grubba AC_PROG_CC AC_PROG_CPP ############################################################################# AC_ISC_POSIX AC_AIX AC_MINIX fi ############################################################################# # option, cache_name, variable AC_DEFUN(AC_SYS_COMPILER_FLAG, [ AC_MSG_CHECKING($1) AC_CACHE_VAL(pike_cv_option_$2, [ OLD_CFLAGS="[$]CFLAGS" CFLAGS="[$]OLD_CFLAGS $1" AC_TRY_RUN([ int foo; int main(int argc, char **argv) { /* The following code triggs gcc's generation of aline opcodes, * which some versions of as does not support. */ if (argc > 0) argc = 0; return argc; } ],pike_cv_option_$2=yes, pike_cv_option_$2=no, [ AC_TRY_LINK([], [], pike_cv_option_$2=yes, pike_cv_option_$2=no) ]) CFLAGS="[$]OLD_CFLAGS" ]) if test x"[$]pike_cv_option_$2" = "xyes" ; then $3="[$]$3 $1" case "$3" in OPTIMIZE) CFLAGS="[$]CFLAGS $1" ;; esac AC_MSG_RESULT(yes) $5 else AC_MSG_RESULT(no) $4 fi ]) # arch, option, cache_name, variable AC_DEFUN(AC_SYS_CPU_COMPILER_FLAG, [ if test "`uname -m 2>/dev/null`" = "$1" ; then AC_SYS_COMPILER_FLAG($2,$3,$4,$5,$6) $7 fi ]) # os, option, cache_name, variable AC_DEFUN(AC_SYS_OS_COMPILER_FLAG, [ if test "x$pike_cv_sys_os" = "x$1" ; then AC_SYS_COMPILER_FLAG($2,$3,$4,$5,$6) $7 fi ]) define([DO_IF_OS], [ if test "x$pike_cv_sys_os" = "x$1" ; then $2 fi ]) define([DO_IF_CPU], [ if test "`uname -m 2>/dev/null`" = "$1" ; then $2 fi ]) ############################################################################# if test "x$GCC" = "xno" -a "x$TCC" = "xno"; then # # We want 64bit mode if possible. # AC_SYS_COMPILER_FLAG(-q64, q64, CFLAGS) if test "x$ac_cv_prog_cc_cross" = "xyes"; then # The AIX 5L/cc beta can't generate working binaries without a # data-segment... AC_MSG_CHECKING([if we're really using a cross-compiler]) AC_CACHE_VAL(pike_cv_datasegment_required, [ ac_cv_prog_cc_cross=no; AC_TRY_RUN([int foo;main(){return(0);}], [ pike_cv_datasegment_required=yes ], [ pike_cv_datasegment_required=no ac_cv_prog_cc_cross=yes ], [ pike_cv_datasegment_required=no ac_cv_prog_cc_cross=yes ]) ]) if test "x$pike_cv_datasegment_required" = "xyes"; then AC_MSG_RESULT([no -- Applying data-segment kludge]) ac_cv_prog_cc_cross=no cat >conftest.c <<EOF static int foo; EOF pike_cv_datasegemnt_file=no if AC_TRY_EVAL(ac_compile); then if test -f "conftest.$ac_objext"; then rm -f "data-segment.$ac_objext" if mv "conftest.$ac_objext" "data-segment.$ac_objext"; then if test -f "`pwd`/data-segment.$ac_objext"; then pike_cv_datasegemnt_file="`pwd`/data-segment.$ac_objext" else AC_MSG_WARN(Lost track of data-segment kludge-file.) fi else AC_MSG_WARN(Failed to rename data-segment kludge-file.) fi else AC_MSG_WARN(Can not find data-segment kludgefile.) fi else AC_MSG_WARN(Failed to compile data-segment kludge.) fi if test "x$pike_cv_datasegment_file" = "xno"; then AC_MSG_WARN(Some tests may yield false results.) else LIBS="$pike_cv_datasegment_file $LIBS" export LIBS AC_MSG_WARN(Data-segment kludge applied.) fi else AC_MSG_RESULT(yes) fi fi fi ############################################################################# if test "x$enable_binary" != "xno"; then # # The purpose of this test is to check that there is no filesystem # caching preventing pike from compiling correctly. # AC_MSG_CHECKING([filesystem synchronization]) AC_CACHE_VAL(pike_cv_filesystem_syncronization, [ pike_cv_filesystem_syncronization=working AC_EGREP_CPP(true, [ true ], , pike_cv_filesystem_syncronization=broken) AC_EGREP_CPP(false, [ false ], , pike_cv_filesystem_syncronization=broken) AC_EGREP_CPP(yes, [ yes ], , pike_cv_filesystem_syncronization=broken) AC_EGREP_CPP(no, [ no ], , pike_cv_filesystem_syncronization=broken) AC_EGREP_CPP(near, [ far ], pike_cv_filesystem_syncronization=broken, ) AC_EGREP_CPP(up, [ up ], , pike_cv_filesystem_syncronization=broken) AC_EGREP_CPP(down, [ down], , pike_cv_filesystem_syncronization=broken) ]) AC_MSG_RESULT($pike_cv_filesystem_syncronization) if test "x$pike_cv_filesystem_syncronization" = xbroken ; then AC_MSG_ERROR([Filesystem caching is too aggressive. If you are using Samba, make sure to have the following line in your smb.conf: oplocks = False ]) exit 1 fi fi ############################################################################# # # Some cross-compilation support # CROSS="$ac_cv_prog_cc_cross" AC_SUBST(CROSS) if test "x$ac_cv_prog_cc_cross" = "xyes"; then RUNTPIKE="USE_PIKE" else RUNTPIKE="USE_TPIKE" fi AC_SUBST(RUNTPIKE) AC_PATH_PROG(pike_prog,pike,no) PIKE="$ac_cv_path_pike_prog" AC_SUBST(PIKE) ############################################################################# LIBDIR=`(cd $srcdir/../lib ; pwd)` BINDIR=`(cd $srcdir/../bin ; pwd)` BUILDDIR=`pwd` AC_SUBST(LIBDIR) AC_SUBST(BINDIR) AC_SUBST(BUILDDIR) ############################################################################# if test "x$enable_binary" != "xno"; then # The following tests are only relevant if we intend to build binaries. ############################################################################# AC_CHECK_HEADERS(fnord/fnord/fnord.h) AC_MSG_CHECKING([if CHECK_HEADERS works]) if test "x$ac_cv_header_fnord_fnord_fnord_h" = xyes ; then AC_MSG_RESULT(no) exit 1 fi AC_MSG_RESULT(yes) ############################################################################# if test $ac_cv_prog_gcc = yes; then AC_MSG_CHECKING(for libgcc file name) AC_CACHE_VAL(pike_cv_libgcc_filename, [ pike_cv_libgcc_filename="`${CC-cc} -print-libgcc-file-name`" if test -z "$pike_cv_libgcc_filename"; then pike_cv_libgcc_filename=no else if test -f "$pike_cv_libgcc_filename"; then : else pike_cv_libgcc_filename=no fi fi ]) AC_MSG_RESULT($pike_cv_libgcc_filename) if test x"$pike_cv_libgcc_filename" = xno; then LIBGCC="" else LIBGCC="$pike_cv_libgcc_filename" fi else LIBGCC="" fi AC_SUBST(LIBGCC) ############################################################################# ## Build smartlink AC_CHECK_HEADERS(stdlib.h string.h unistd.h sys/stat.h sys/types.h sys/errno.h) if test -x /usr/bin/uname 2>/dev/null; then UNAME=`/usr/bin/uname -sr` elif test -x /bin/uname 2>/dev/null; then UNAME=`/bin/uname -sr` else UNAME=unknown fi # We need some special hacks when running slowaris AC_PATH_PROG(uname_prog,uname,no) AC_MSG_CHECKING(operating system) AC_CACHE_VAL(pike_cv_sys_os, [ if test "$uname_prog" != "no"; then pike_cv_sys_os="`uname`" case "$pike_cv_sys_os" in SunOS) case "`uname -r`" in 5.*) pike_cv_sys_os="Solaris" ;; esac ;; Monterey64) # According to the release notes, the string "Monterey64" # will be changed to "AIX" in the final release. # (Monterey 64 is also known as AIX 5L). pike_cv_sys_os="AIX" ;; esac else pike_cv_sys_os="Not Solaris" fi ]) AC_MSG_RESULT($pike_cv_sys_os) if test "$GCC" = "yes"; then :; else # # Special hack for HP-UX stupid cc # if test "$pike_cv_sys_os" = "HP-UX"; then AC_TRY_COMPILE([int foo(int bar);],[],[], [ OLD_CC="${CC-cc}" OLD_CFLAGS="$CFLAGS" case "/$CC" in */smartlink\ cc) if test -x /usr/bin/cc; then CC="`echo $CC|sed -e 's/ cc/ \/usr\/bin\/cc/`" else : ; fi ;; esac CFLAGS="-Ae +Olibcalls $CFLAGS" AC_TRY_COMPILE([int foo(int bar);],[],[],[ CC="$OLD_CC" CFLAGS="$OLD_CFLAGS" ]) pike_cv_prog_CC="${CC}" ]) fi fi if test "$pike_cv_sys_os" = "Solaris" ; then AC_DEFINE(SOLARIS) else : fi # FIXME: Add proper tests case "$UNAME" in OSF1\ V4.*) AC_DEFINE(USE_RPATH) ;; HPUX\ 11.*) AC_DEFINE(USE_PLUS_b) ;; IRIX\ 6.*) AC_DEFINE(USE_RPATH) ;; IRIX\ 5.*) AC_DEFINE(USE_RPATH) ;; SunOS\ 5.*) if test "$TCC" = "yes"; then # tcc doesn't know about -R AC_DEFINE(USE_Wl_R) else AC_DEFINE(USE_R) fi ;; Linux\ 2.*) AC_DEFINE(USE_Wl) ;; UnixWare\ 7.*) if test "$ac_cv_prog_gcc" = "yes"; then AC_DEFINE(USE_XLINKER_YP_) else AC_DEFINE(USE_YP_) fi ;; *) AC_DEFINE(USE_LD_LIBRARY_PATH) ;; esac # Strip smartlink from $CC REALCC="`echo $CC|sed -e 's/.*smartlink //'`" # Fix a smartlink SMARTLINK="$BUILDDIR/smartlink" AC_MSG_CHECKING(if $SMARTLINK exists is up to date and works) if ls -1tr "$SMARTLINK${ac_exeext}" "$srcdir/smartlink.$ac_ext" 2>/dev/null | head -1 | grep "smartlink.$ac_ext" >/dev/null 2>&5 && "$SMARTLINK" -v >/dev/null 2>&5; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) SMARTBUILDCC="${REALCC-cc}" if echo foo "$CC" | egrep 'rntc.|rnt.cl' >/dev/null; then AC_MSG_WARN([rntcc/rntcl/rnticl/rntecl detected.]) AC_PATH_PROGS(SMARTBUILDCC,gcc cc egcs,gcc, $PATH:$EXTRA_PATH) echo Using $SMARTBUILDCC to compile smartlink. else if test "x$ac_cv_prog_cc_cross" = "xyes"; then AC_MSG_WARN([Crosscompiler detected.]) AC_PATH_PROGS(SMARTBUILDCC, gcc cc egcs, gcc, /usr/bin:/bin/:/usr/ccs/bin:/usr/local/bin:$PATH:$EXTRA_PATH) echo Using $SMARTBUILDCC to compile smartlink. fi fi rm -f "$SMARTLINK" AC_MSG_CHECKING(whether smartlink compiles) link_cmd='${SMARTBUILDCC-cc} -o smartlink${ac_exeext} $CFLAGS -I. $CPPFLAGS $LDFLAGS $srcdir/smartlink.$ac_ext $LIBS 2>&5' if { (eval echo Compiling smartlink: \"$link_cmd\") 1>&5; (eval $link_cmd) 2>&5; } && "$BUILDDIR/smartlink" -v >/dev/null 2>&5; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no - use the sh script) SMARTLINK="$BINDIR/smartlink" fi fi CC="$SMARTLINK $REALCC" pike_cv_prog_CC="$CC" AC_SUBST(SMARTLINK) AC_SUBST(REALCC) export REALCC SMARTLINK AC_MSG_CHECKING([for a fallback compiler]) # Strip smartlink from $FALLBACK_CC FALLBACK_CC="`echo $FALLBACK_CC|sed -e 's/.*smartlink //'`" if test "x$FALLBACK_CC" = "x"; then AC_MSG_RESULT(no) else FALLBACK_CC="$SMARTLINK $FALLBACK_CC" AC_MSG_RESULT($FALLBACK_CC) fi AC_SUBST(FALLBACK_CC) export FALLBACK_CC ############################################################################# fi #if test "x$enable_binary" != "xno" ############################################################################# if test "$GCC" = "yes"; then if test "$cflags_is_set" = "no"; then AC_SYS_COMPILER_FLAG(-pipe, pipe, CFLAGS) fi fi LD='$(CC) $(CFLAGS)' case "$pike_cv_sys_os" in SCO*) case "$CFLAGS" in *-belf*) AC_SYS_COMPILER_FLAG(-belf,sco_belf_option,CFLAGS,[],[ case "$LDFLAGS" in *-belf*) ;; *) echo "Adding -belf option to ldflags." LDFLAGS="$LDFLAGS -belf" ;; esac ]) ;; *) AC_SYS_COMPILER_FLAG(-belf,belf,CFLAGS) ;; esac case "$LDFLAGS" in *-belf*) ;; *) AC_SYS_COMPILER_FLAG(-belf,belf,LDFLAGS) ;; esac ;; SunOS*) # gcc on SunOS 4 forgets to define this: echo "SunOS. Adding -D__USE_FIXED_PROTOTYPES__" CFLAGS="$CFLAGS -D__USE_FIXED_PROTOTYPES__" ;; BSD/OS*) case "`uname -r`" in 4.*) ;; *) LD="$BINDIR/smartlink shlicc";; esac ;; UnixWare*) case "$CFLAGS" in *-Kalloca*) ;; *) if test "$GCC" != "yes"; then # We are using built-in inline function CFLAGS="$CFLAGS -Kalloca" CXX="$CXX -DNO_CPLUSPLUS_ALLOCA" fi ;; esac ;; esac AC_SUBST(LD) ############################################################################# AC_ARG_WITH(patch_gcc, [ --with-patch-gcc attempt to patch the UA32 relocation bug.], [], [with_patch_gcc=no]) # Some sanity checks. if test "$GCC" = "yes" -a "$pike_cv_sys_os" = "Solaris" && test "`uname -p`" = "sparc"; then # Solaris/sparc: # Check that gnu ld isn't used. # It's usually hidden in $prefix/sparc-sun-solaris2.?/bin/. # NOTE: M4 uses [] as quotes. gcc_ld_path="`$CC -v 2>&1 | sed -e '1,1s/[[^\/]]*$\/.*\/$[[^\/]]*$/\1/p;d' | sed -e '/lib\/gcc-lib\//s/lib\/gcc-lib\///;s/\/[[0-9]]*\.[[0-9]]*\.[[0-9]]*\/$/\/bin/'`" if test "x$gcc_ld_path" = "x"; then :; else if test -d "$gcc_ld_path/."; then if "$gcc_ld_path/ld" -v 2>&1 | grep -i GNU >/dev/null; then AC_MSG_WARN([GNU ld found on Solaris sparc system ($gcc_ld_path/ld).]) AC_MSG_WARN([This may cause the dynamic module support to fail.]) else :; fi else :; fi fi unset gcc_ld_path # Watch out for gcc-2.8.1 on Solaris 7 sparc machines. It generates # assembler code which contains .uaword directives, which in turn # generates code with R_SPARC_UA32 relocations, which /usr/bin/ld.so # has buggy support for (it doesn't relocate the MSB). # Check that gcc doesn't generate uaword opcodes AC_MSG_CHECKING(if your gcc generates uaword opcodes) AC_CACHE_VAL(pike_cv_gcc_uaword, [ cat > conftest.c <<EOF char *foo[[]] = { "bar" }; EOF pike_compile='${CC-cc} -S $CFLAGS $CPPFLAGS conftest.c 1>&5' pike_cv_gcc_uaword=no if { (eval echo configure: \"$pike_compile\") >&5; (eval $pike_compile) 2>&5; }; then if grep ".uaword" conftest.s 2>&5 >/dev/null; then echo "configure: result contains .uaword:" >&5 cat conftest.s >&5 pike_cv_gcc_uaword=yes else :; fi else echo "configure: failed program was:" >&5 cat conftest.c >&5 fi rm -rf conftest.* ]) AC_MSG_RESULT($pike_cv_gcc_uaword) # Check if as generates R_SPARC_UA32 relocations from .uaword. if test "$pike_cv_gcc_uaword" = "yes"; then AC_MSG_CHECKING([if your as generates R_SPARC_UA32 relocations]) AC_CACHE_VAL(pike_cv_as_r_sparc_ua32, [ AC_TRY_ASSEMBLE([ .section ".rodata" .align 8 .STRING: .asciz "String" .section ".data" .align 4 .type string,#object .size string,4 string: .uaword .STRING ],[ if /usr/ccs/bin/elfdump -r conftest.o | grep -i R_SPARC_UA32 >/dev/null 2>&AC_FD_CC; then pike_cv_ac_r_sparc_ua32=yes else pike_cv_ac_r_sparc_ua32=no fi ],[ pike_cv_ac_r_sparc_ua32=no ]) ]) AC_MSG_RESULT($pike_cv_ac_r_sparc_ua32) if test "$pike_cv_ac_r_sparc_ua32" = "yes"; then AC_MSG_WARN([Your gcc/as combo may generate R_SPARC_UA32 relocations.]) AC_MSG_WARN([R_SPARC_UA32 relocations are unsupported in Solaris >= 2.3,]) AC_MSG_WARN([and have broken support in Solaris 7.]) if test "x$with_patch_gcc" = "xno"; then if test -d "/var/sadm/patch/107058-01/."; then AC_MSG_WARN([Back out patch 107058-01, or]) AC_MSG_WARN([recompile gcc with a modified config/sparc/sol2.h.]) else AC_MSG_WARN([Recompile gcc with a modified config/sparc/sol2.h.]) fi AC_MSG_WARN([]) AC_MSG_WARN([You may want to try binary patching gcc.]) AC_MSG_WARN([In that case rerun configure with --with-patch-gcc.]) AC_MSG_WARN([NOTE: Binary patching is highly experimental and risky,]) AC_MSG_WARN([ and may break your existing gcc even more.]) exit 1 fi AC_MSG_WARN([Will attempt to patch gcc.]) AC_MSG_CHECKING([for cc1]) if test "x$with_patch_gcc" = "xyes"; then cc1="`$CC -v 2>&1|sed -e '/\//s!^[[^/]]*$/.*$/specs$!\1/cc1!p' -ed`" else cc1="$with_patch_gcc"; fi if test -f "$cc1"; then AC_MSG_RESULT($cc1) else AC_MSG_RESULT(not found. Tried $cc1) exit 1 fi AC_MSG_CHECKING(if $cc1 looks unpatched) if /usr/bin/strings "$cc1" | grep uaword >/dev/null 2>&1; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no -- strange) exit 1 fi AC_MSG_CHECKING(if patch_cc1 compiles) link_cmd='${CC-cc} -o patch_cc1${ac_exeext} $CFLAGS -I. $CPPFLAGS $LDFLAGS $srcdir/patch_cc1.$ac_ext $LIBS 2>&5' if { (eval echo Compiling patch_cc1: \"$link_cmd\") 1>&5; (eval $link_cmd) 2>&5; } && "$BUILDDIR/patch_cc1" -v >/dev/null 2>&5; then AC_MSG_RESULT(yes) if test -f "$cc1.patched"; then AC_MSG_ERROR([$cc1.patched already exists. Please move it out of the way.]) exit 1; fi if test -f "$cc1.orig"; then AC_MSG_ERROR([$cc1.orig already exists. Please move it out of the way.]) exit 1; fi AC_MSG_CHECKING(if patch_cc1 works) if ./patch_cc1 "$cc1" 2>&5 >"$cc1.patched"; then if test -f "$cc1.patched"; then :; else AC_MSG_RESULT(no - failed to create $cc1.patched) exit 1 fi if chmod 755 "$cc1.patched"; then :; else AC_MSG_RESULT(no - failed to set permission to 755 on $cc1.patched) exit 1 fi if test "`/bin/ls -l \"$cc1\"|awk '{print $5}'`" = "`/bin/ls -l \"$cc1.patched\"|awk '{print $5}'`"; then if /usr/bin/strings "$cc1.patched" | grep uaword >/dev/null 2>&1; then rm -f "$cc1.patched" AC_MSG_RESULT(no -- patching failed) exit 1 fi if "$cc1.patched" --help >/dev/null 2>&1; then :; else AC_MSG_RESULT(no -- the patched binary does not seem to work) exit 1 fi AC_MSG_RESULT(yes) AC_MSG_WARN(Activating the patched cc1.) AC_MSG_WARN(NOTE: Entering critical section.) AC_MSG_WARN(If configure fails at this point a broken gcc my result.) if /usr/bin/mv -f "$cc1" "$cc1.orig"; then AC_MSG_WARN(Moved $cc1 to $cc1.orig.) if /usr/bin/mv -f "$cc1.patched" "$cc1"; then AC_MSG_WARN(Patching seems to have succeeded.) AC_MSG_WARN(Please rerun configure.) exit 1 fi AC_MSG_WARN(Moving the patched cc1 into place failed.) AC_MSG_WARN(Will try to restore the old cc1.) if /usr/bin/mv -f "$cc1.orig" "$cc1"; then AC_MSG_WARN(The old cc1 has been restored.) exit 1 fi AC_MSG_ERROR([Restoring the old cc1 failed. Your installation of gcc is most likely broken now. Sorry, you will have to restore it yourself. Please move $cc1.orig to $cc1.]) exit 1 else AC_MSG_ERROR([Failed to move the old cc1 to safety. Please replace $cc1 with $cc1.patched by hand.]) exit 1 fi else rm -f "$cc1.patched" AC_MSG_ERROR([The size has changed. You need to patch cc1 by hand.]) exit 1 fi else AC_MSG_RESULT(no -- you need to patch cc1 by hand) exit 1 fi else AC_MSG_RESULT(no -- you need to patch cc1 by hand) exit 1 fi else :; fi else :; fi else :; fi ############################################################################# AC_ARG_WITH(root, [ --with-root=path specify a cross-compilation root-directory],[ case "$with_root" in /) with_root="" ;; /*) ;; no) with_root="" ;; *) AC_MSG_WARN([Root path $with_root is not absolute. Ignored.]) with_root="" ;; esac ],[with_root=""]) AC_ARG_WITH(dynamic_modules, [ --without-dynamic-modules link modules statically],[],[]) AC_ARG_WITH(static_linking, [ --with-static-linking link statically, if possible],[with_static_linking=yes],[]) AC_ARG_WITH(include-path,[ --with-include-path A list of paths to search for include files.]) AC_ARG_WITH(lib-path, [ --with-lib-path A list of paths to search for libraries.]) AC_ARG_WITH(double-precision, [ --with-double-precision use double precision floats ], [ AC_DEFINE(WITH_DOUBLE_PRECISION_SVALUE) ] ) AC_ARG_WITH(long-double-precision,[ --with-long-double-precision use long double precision floats ], [ AC_DEFINE(WITH_LONG_DOUBLE_PRECISION_SVALUE) ] ) AC_ARG_WITH(long-int, [ --with-long-int use long native type int (EXPERIMENTAL)], [ AC_DEFINE(WITH_LONG_INT) ] ) AC_ARG_WITH(long-long-int, [ --with-long-long-int use long long native type int (EXPERIMENTAL)], [ AC_DEFINE(WITH_LONG_LONG_INT) ] ) AC_ARG_WITH(short-int, [ --with-short-int use short native type int (EXPERIMENTAL)], [ AC_DEFINE(WITH_SHORT_INT) ] ) AC_ARG_WITH(int-int, [ --with-int-int use int native type int (EXPERIMENTAL)], [ AC_DEFINE(WITH_INT_INT) ] ) AC_ARG_WITH(gdbm, [ --without-gdbm no GNU database manager support ]) AC_ARG_WITH(gmp, [ --without-gmp no support for Gmp bignums]) AC_ARG_WITH(dmalloc, [ --with-dmalloc enable memory-leak tests],[with_debug="yes" AC_DEFINE(DEBUG_MALLOC,10)],[]) AC_ARG_WITH(dmalloc-malloc,[ --without-dmalloc-malloc Disable overloading malloc(3)],[ ],[ AC_DEFINE(ENCAPSULATE_MALLOC,1) ]) AC_ARG_WITH(dmalloc-malloc-leaks,[ --with-malloc-leaks Report memory allocated by malloc(3) as leaks.],[ AC_DEFINE(REPORT_ENCAPSULATED_MALLOC,1) ],[]) AC_ARG_WITH(dmalloc-trace,[ --with-dmalloc-trace enable tracepoints],[with_dmalloc_trace="yes" AC_DEFINE(DMALLOC_TRACE,10)],[]) AC_ARG_WITH(debug, [ --without-debug disable run debugging],[],[with_debug=]) AC_ARG_WITH(rtldebug, [ --with-rtldebug enable run time self tests],[],[with_rtldebug=]) AC_ARG_WITH(cdebug, [ --without-cdebug disable -g],[],[ case "$pike_cv_sys_os:$GCC" in Solaris:no) # Solaris/cc has problems with combining optimizations and debuginfo. AC_MSG_WARN([Defaulting to --without-cdebug since the OS is Solaris, and gcc is not being used.]) with_cdebug=no ;; *) with_cdebug= ;; esac ]) AC_ARG_WITH(copt, [ --without-copt disable -O2],[],[with_copt=]) AC_ARG_WITH(threads, [ --without-threads no threads support],[],[ case "x$pike_cv_sys_os" in xFreeBSD*) if test "`uname -r|sed -e 's/$[[0-9]]*$.*/\1/'`" -lt 4; then AC_MSG_WARN([ FreeBSD <= 3.x detected, disabling threads. Use --with-threads to force threads support. ]) with_threads=no fi ;; esac if test "x${with_threads-}" = x; then with_threads=yes fi ]) AC_ARG_WITH(zlib, [ --without-zlib no gz compression support],[],[with_zlib=yes]) AC_ARG_WITH(ssleay, [ --without-ssleay no support for the secure socket protocol],[],[with_ssleay=yes]) AC_ARG_WITH(mysql, [ --without-mysql no support for the Mysql database],[],[with_mysql=yes]) AC_ARG_WITH(gif-rle, [ --with-gif-rle use kind-of-rle packing instead of lzw],[],[]) AC_ARG_WITH(rsaref, [ --with-rsaref[=path] Support for RSAREF],[],[]) AC_ARG_WITH(checker, [ --with-checker add extra memory checking overhead (Purify)]) AC_ARG_WITH(profiling, [ --with-profiling add code used to profile pike code ],[AC_DEFINE(PROFILING)],[]) AC_ARG_WITH(pg, [ --with-pg Use the gcc -pg option], [ if test "x$with_pg" = xyes; then PROFIL=-pg else PROFIL= fi ], [ PROFIL= ]) AC_ARG_WITH(poll, [ --with-poll use poll instead of select],[],[ # Neither --with-poll nor --without-poll was specified case "$pike_cv_sys_os" in Solaris|HP-UX|OSF1|IRIX|Linux|Darwin|UnixWare) AC_MSG_WARN([Defaulting to --with-poll since the OS is $pike_cv_sys_os.]) with_poll=yes ;; AIX) # poll(2) is broken on AIX 4.1 and earlier. if test "`uname -r`" -ge 2 -a "`uname -v`" -ge 4 ; then with_poll=yes else if test "`uname -v`" -gt 4 ; then with_poll=yes else :; fi fi if test "$with_poll" = "yes" ; then AC_MSG_WARN([Defaulting to --with-poll since the OS is AIX 4.2 or later.]) else :; fi ;; esac ]) AC_ARG_WITH(max-fd, [ --with-max-fd=X set how many filedescriptors can be used at once],[pike_cv_max_open_fd=$withval],[]) AC_ARG_WITH(oob, [ --without-oob disable out-of-band data handling],[],[with_oob=yes]) AC_ARG_WITH(thread-trace,[ --without-thread-trace disable individual tracing of threads],[],[with_thread_trace=yes]) AC_ARG_WITH(compiler-trace,[ --with-compiler-trace enable tracing of the compiler],[AC_DEFINE(YYDEBUG)],[]) AC_ARG_WITH(security, [ --with-security enable internal pike security system],[AC_DEFINE(PIKE_SECURITY)],[]) AC_ARG_WITH(bignums, [ --without-bignums disable internal conversion to bignums],[],[with_bignums=yes]) AC_ARG_WITH(shared-nodes,[ --without-shared-nodes disable the SHARED_NODES mode of the optimizer],[],[with_shared_nodes=yes]) AC_ARG_WITH(lock, [ --without-lock Enable experimental code for multicpu machines (EXPERIMENTAL).],[ if test "$with_lock" = "no"; then AC_DEFINE(PIKE_RUN_UNLOCKED) else :; fi ],[]) # This makes configure default to --without-Perl # Remove this when the Perl module stops crashing and hanging. -Hubbe AC_ARG_WITH(perl, [ --with-perl enable the embedded Perl module (EXPERIMENTAL)],[], [ac_configure_args="$ac_configure_args --without-perl" with_perl="no" ] ) AC_ARG_WITH(pike-type, [ --without-pike-type disable struct pike_type.], [], []) if test "x$with_pike_type" = "xno"; then :; else echo 'Enabling the USE_PIKE_TYPE mode of the compiler.' AC_DEFINE(USE_PIKE_TYPE) fi if test "x$with_oob" = "xno"; then :; else AC_DEFINE(WITH_OOB) fi if test "x$with_bignums" = xyes; then AC_DEFINE(AUTO_BIGNUM) if test "x$with_gmp" = xno; then AC_MSG_ERROR([Cannot compile --with-bignums without the GMP library It is highly recommended that you install a working GMP library on your system as that will add features to Pike required by many applications. (Such as Roxen) However, if you know that you do not need GMP, you may re-run configure with the option --without-bignums instead. ]) else :; fi else :; fi if test "x$with_shared_nodes" != xno; then echo 'Enabling the SHARED_NODES mode of the optimizer.' AC_DEFINE(SHARED_NODES) else :; fi if test "x$with_poll" = "xyes"; then AC_DEFINE(HAVE_AND_USE_POLL) else :; fi if test "x$with_checker" = "xyes"; then AC_DEFINE(__CHECKER__) else :; fi if test "x$with_thread_trace" = "xyes"; then AC_DEFINE(THREAD_TRACE) else :; fi # # Allow --with(out)-debug to toggle both cdebug and rtldebug, but # let --with(out)-{c,rtl}debug take precedence. # if test "x$with_cdebug" = x ; then with_cdebug="$with_debug" fi if test "x$with_rtldebug" = x ; then with_rtldebug="$with_debug" fi # # --with-dmalloc requires --with-rtldebug # if test "x$with_dmalloc" = "x"; then :; else if test "x$with_rtldebug" = "xyes"; then :; else AC_MSG_WARN([Debug malloc requires rtldebug. Enabling rtldebug.]) with_rtldebug=yes fi fi # # Defaults for cdebug and rtldebug here: # if test "x$with_cdebug" = x ; then with_cdebug=yes fi if test "x$with_rtldebug" = x ; then with_rtldebug=no # with_rtldebug=yes fi if test "x$with_rtldebug" = xyes ; then AC_DEFINE(PIKE_DEBUG) fi ############################################################################# WARN="" OPTIMIZE="" if test "$cflags_is_set" = "no"; then if test "x$with_cdebug" = "xno" ; then CFLAGS=`echo " $CFLAGS " | sed -e 's@ -g @ @g'` else : fi if test "x${GCC-}" = xyes ; then # Do not use -Wall, since that produces a lot of warnings that are not # really interresting (such as the warning for if( ... ) ... if( # ... ) .... else AC_SYS_COMPILER_FLAG(-W,W,WARN) AC_SYS_COMPILER_FLAG(-Wall,Wall,WARN) AC_SYS_COMPILER_FLAG(-Wno-unused,Wno_unused,WARN) AC_SYS_COMPILER_FLAG(-Wcomment,Wcomment,WARN) AC_SYS_COMPILER_FLAG(-Wformat,Wformat,WARN) AC_SYS_COMPILER_FLAG(-Wimplicit-function-declaration,Wimplicit_function_declaration,WARN) AC_SYS_COMPILER_FLAG(-Wmultichar,Wmultichar,WARN) AC_SYS_COMPILER_FLAG(-Wswitch,Wswitch,WARN) AC_SYS_COMPILER_FLAG(-Wuninitialized,Wuninitialized,WARN) AC_SYS_COMPILER_FLAG(-Wpointer-arith,Wpointer_arith,WARN) AC_SYS_COMPILER_FLAG(-Wchar-subscripts,Wchar_subscripts,WARN) AC_SYS_COMPILER_FLAG(-Wno-long-long,Wno_long_long,WARN) if test "x${with_static_linking-}" = "xyes" ; then AC_SYS_COMPILER_FLAG(-static,link_static,CFLAGS) else : fi ## ## -fomit-frame-pointer does not work with egcs 1.1.1 ## /Hubbe 1998-12-20 ## #if test "x$with_cdebug" = "xno" ; then # AC_SYS_COMPILER_FLAG(-fomit-frame-pointer,fomit_frame_pointer,OPTIMIZE) #else # : #fi ### Optimize for different SUN machines. If there is no working 'uname' ### no extra optimization will be done, but nothing should break either. case "`uname -m 2>/dev/null`" in sun4c) # The -msparclite option seems to generate assembler that /bin/as doesn't # understand. /grubba 1998-07-17 # AC_SYS_COMPILER_FLAG(-msparclite,sparclite,CFLAGS) ;; sun4m) AC_SYS_COMPILER_FLAG(-mv8,microsparc,CFLAGS) ;; sun4d) AC_SYS_COMPILER_FLAG(-msupersparc,supersparc,CFLAGS) ;; sun4u) AC_SYS_COMPILER_FLAG(-mcpu=ultrasparc,mcpu_ultrasparc,CFLAGS,[ AC_SYS_COMPILER_FLAG(-msupersparc,supersparc,CFLAGS) ]) ;; i586) AC_SYS_COMPILER_FLAG(-mpentium,pentium,CFLAGS) ;; i686) AC_SYS_COMPILER_FLAG(-mcpu=i686,mcpu_i686,CFLAGS,[ AC_SYS_COMPILER_FLAG(-mpentiumpro,pentiumpro,CFLAGS,[ AC_SYS_COMPILER_FLAG(-mpentium,pentium,CFLAGS) ]) ]) AC_SYS_COMPILER_FLAG(-march=i686,march_i686,CFLAGS) ;; i86pc) case "`isalist 2>/dev/null`" in *pentium_pro*) AC_SYS_COMPILER_FLAG(-mcpu=i686,mcpu_i686,CFLAGS,[ AC_SYS_COMPILER_FLAG(-mpentiumpro,pentiumpro,CFLAGS,[ AC_SYS_COMPILER_FLAG(-mpentium,pentium,CFLAGS) ]) ]) AC_SYS_COMPILER_FLAG(-march=i686,march_i686,CFLAGS) ;; *pentium*) AC_SYS_COMPILER_FLAG(-mcpu=pentium,pentium,CFLAGS,[ AC_SYS_COMPILER_FLAG(-m486,486,CFLAGS) ]) ;; esac ;; esac # AIX DO_IF_OS(AIX, [ # Tell the linker to generate a large toc if needed AC_SYS_COMPILER_FLAG(-bbigtoc,bbigtoc,LDFLAGS) AC_SYS_COMPILER_FLAG([-Wl,-bbigtoc],Wlbbigtoc,LDFLAGS) ]) else if test "x${TCC-}" = xyes ; then # Yikes! We're using the TenDRA compiler! # Make sure we can use the system headerfiles... AC_SYS_COMPILER_FLAG(-Ysystem, ysystem, CPPFLAGS) # Use lenient ANSI compliance... #AC_SYS_COMPILER_FLAG(-Xa, xa, CFLAGS) # Find out where libtdf.a is hidden. AC_MSG_CHECKING(for machine dependant library directory) AC_CACHE_VAL(pike_cv_tcc_lib_path, [ pike_cv_tcc_lib_path="`${CC-cc} -dry conftest.c -i 2>&1 | sed -e '/tdfc/s/bin\/tdfc.*/lib\/sys/p' -ed| head -1`" if test -d "$pike_cv_tcc_lib_path/." ; then :; else # Failed. pike_cv_tcc_lib_path="no" fi ]) AC_MSG_RESULT($pike_cv_tcc_lib_path) if test "$pike_cv_tcc_lib_path" = "no" ; then :; else LDFLAGS="$LDFLAGS -L$pike_cv_tcc_lib_path" # This library is needed for 64bit support on 32bit machines/OS's. AC_CHECK_LIB(tdf, __TDFUnot) fi else # Assume system compiler "cc". if test "x${with_static_linking-}" = "xyes" ; then DO_IF_OS(AIX, [ AC_SYS_COMPILER_FLAG([-Wl,-bstatic],wl_link_static,CFLAGS) LD_FALLBACK_FLAGS="${LD_FALLBACK_FLAGS} -bstatic" ]) DO_IF_OS(OSF1, [ AC_SYS_COMPILER_FLAG(-non_shared,non_shared,CFLAGS) LD_FALLBACK_FLAGS="${LD_FALLBACK_FLAGS} -non_shared" ]) DO_IF_OS(IRIX, [ AC_SYS_COMPILER_FLAG(-non_shared,non_shared,CFLAGS) LD_FALLBACK_FLAGS="${LD_FALLBACK_FLAGS} -B static" ]) # how do you link statically on HP-UX ? else : fi ### Non-gcc thingies. This should probably be enhanced... # Solaris DO_IF_OS(Solaris, [ AC_SYS_COMPILER_FLAG(-fast,fast,OPTIMIZE) AC_SYS_COMPILER_FLAG(-xdepend,xdepend,OPTIMIZE) AC_SYS_COMPILER_FLAG(-xs,xs,CFLAGS) # Causes __STDC__ to be 1 which causes several headerfiles to behave # differently. # AC_SYS_OS_COMPILER_FLAG(-Xc,Xc,WARN) ]) # AIX DO_IF_OS(AIX, [ # This one is needed to get the compiler to fail on errors, # which is needed for several configure-scripts. AC_SYS_COMPILER_FLAG(-qhalt=e,qhalt_e,CFLAGS) AC_SYS_COMPILER_FLAG(-qro,qro,OPTIMIZE) AC_SYS_COMPILER_FLAG(-qfold,qfold,OPTIMIZE) AC_SYS_COMPILER_FLAG(-qwarn64,qwarn64,WARN) AC_SYS_COMPILER_FLAG(-qflag=w:w,qflag_w_w,WARN) AC_DEFUN(AC_SYS_COMPILER_FLAG_QINFO, [ AC_SYS_COMPILER_FLAG(-qinfo=$1,qinfo_$1,WARN) ]) AC_SYS_COMPILER_FLAG_QINFO(cmp) AC_SYS_COMPILER_FLAG_QINFO(cnd) AC_SYS_COMPILER_FLAG_QINFO(cns) AC_SYS_COMPILER_FLAG_QINFO(cnv) AC_SYS_COMPILER_FLAG_QINFO(dcl) AC_SYS_COMPILER_FLAG_QINFO(eff) AC_SYS_COMPILER_FLAG_QINFO(enu) AC_SYS_COMPILER_FLAG_QINFO(ext) AC_SYS_COMPILER_FLAG_QINFO(gen) AC_SYS_COMPILER_FLAG_QINFO(gnr) AC_SYS_COMPILER_FLAG_QINFO(got) AC_SYS_COMPILER_FLAG_QINFO(ini) AC_SYS_COMPILER_FLAG_QINFO(inl) AC_SYS_COMPILER_FLAG_QINFO(lan) AC_SYS_COMPILER_FLAG_QINFO(obs) AC_SYS_COMPILER_FLAG_QINFO(ord) AC_SYS_COMPILER_FLAG_QINFO(par) AC_SYS_COMPILER_FLAG_QINFO(por) # ppc disabled since it complains about the system header files. # AC_SYS_COMPILER_FLAG_QINFO(ppc) # ppt disabled since tracing the preprocessor isn't interresting. # AC_SYS_COMPILER_FLAG_QINFO(ppt) AC_SYS_COMPILER_FLAG_QINFO(pro) AC_SYS_COMPILER_FLAG_QINFO(rea) AC_SYS_COMPILER_FLAG_QINFO(ret) # trd disabled, since it adds extra errors (in particular 1506-419). # AC_SYS_COMPILER_FLAG_QINFO(trd) AC_SYS_COMPILER_FLAG_QINFO(tru) AC_SYS_COMPILER_FLAG_QINFO(uni) AC_SYS_COMPILER_FLAG_QINFO(use) # AC_SYS_COMPILER_FLAG(-qalias=addr,qalias_addr,OPTIMIZE) # AC_SYS_COMPILER_FLAG(-qlibansi,qlibansi,OPTIMIZE) # Tell the linker to generate a large toc if needed AC_SYS_COMPILER_FLAG(-bbigtoc,bbigtoc,LDFLAGS) ]) # HP-UX DO_IF_OS(HP-UX, [ AC_SYS_COMPILER_FLAG(-D__STDC_EXT__,stdc_ext,CFLAGS) AC_SYS_COMPILER_FLAG([-Wp,-H50000],cpp_buffer_size,CFLAGS) AC_SYS_COMPILER_FLAG(+ESlit,plus_ESlit,OPTIMIZE) AC_SYS_COMPILER_FLAG(+Odataprefetch,plus_Odataprefetch,OPTIMIZE) AC_SYS_COMPILER_FLAG(+Ofailsafe,plus_Ofailsafe,OPTIMIZE) AC_SYS_COMPILER_FLAG(+O3,plus_O3,OPTIMIZE) # Ignore the following warnings if you enable +w1 # 414 Optimization reduced to +O2 for compatibility with Debug. # 530 Casting from loose to strict alignment # 558 Empty declaration. # AC_SYS_COMPILER_FLAG(+w1,plus_w1,WARN) ]) # OSF/1 DO_IF_OS(OSF1, [ AC_SYS_COMPILER_FLAG(-fast,fast,OPTIMIZE) # The need for -ieee is not detected properly by the FPE tests below. # AC_SYS_COMPILER_FLAG(-ieee,ieee,CFLAGS) AC_SYS_COMPILER_FLAG(-readonly_strings,readonly_strings,OPTIMIZE) AC_SYS_COMPILER_FLAG(-assume trusted_short_alignment, assume_trusted_short_alignment,OPTIMIZE) AC_SYS_COMPILER_FLAG(-assume aligned_objects, assume_aligned_objects,OPTIMIZE) AC_SYS_COMPILER_FLAG(-no_misalign,no_misalign,OPTIMIZE) if test "x$with_cdebug" = "xyes" ; then # FIXME: # Maybe should remove the -g flag if this succeeds. AC_SYS_COMPILER_FLAG(-g3,g3,CFLAGS) AC_SYS_COMPILER_FLAG(-trapuv,trapuv,WARN) fi AC_SYS_COMPILER_FLAG(-host,host,OPTIMIZE) # Flags that cause errors or change compiler behaviour # must go in CFLAGS, they can not go in WARN # /Hubbe AC_SYS_COMPILER_FLAG(-std1,std1,CFLAGS) AC_SYS_COMPILER_FLAG(-warnprotos,warnprotos,WARN) ]) # IRIX DO_IF_OS(IRIX, [ # sopt disabled since it takes too long time on interpret.c (>45min on an O²) # AC_SYS_COMPILER_FLAG(-sopt,sopt,OPTIMIZE) # -n32 moved to smartlink so it will affekt cc as well as linker # this way the user can override it by setting LDFLAGS and/or CFLAGS # AC_SYS_COMPILER_FLAG(-n32,n32,CFLAGS) AC_SYS_COMPILER_FLAG(-fullwarn,fullwarn,WARN) AC_SYS_COMPILER_FLAG(-woff 1209,woff_1209,WARN) if test x$with_cdebug = xyes ; then AC_SYS_COMPILER_FLAG(-g3,g3,CFLAGS) fi if test x$with_rtldebug = xyes ; then AC_SYS_COMPILER_FLAG(-trapuw,trapuw,WARN) fi ]) # Windows NT DO_IF_OS(Windows_NT, [ # FIXME: The test below probably doesn't work. if echo "x$CC" | grep "rntecl" >/dev/null 2>&1; then # Some options used by ecl (Intel's IA64 compiler). # We want threads, and link libc statically. AC_SYS_COMPILER_FLAG(-MT,MT,LDFLAGS) # Interprocedural optimizations. # For some reason this seems to cause the error: # dynamic_buffer.obj : error LNK2001: unresolved external symbol "[Entry] ?1memcpy" (.?1memcpy) # AC_SYS_COMPILER_FLAG(-Qip,Qip,OPTIMIZE) # More warnings. AC_SYS_COMPILER_FLAG(-W3,W3,WARN) if test x$with_rtldebug = xyes ; then # Initialize auto variables to 0xcc. # (Only if optimizations are turned off with -Od). AC_SYS_COMPILER_FLAG(-GZ,GZ,WARN) fi else :; fi # Only do this explicitly for now if test x$with_dynamic_modules = xyes ; then AC_MSG_WARN([Enabling dynamic modules for Win32]) # EXTRA_MODULE_REQUIREMENTS="${EXTRA_MODULE_REQUIREMENTS} import_functions.h" EXTRA_OBJS="${EXTRA_OBJS} dlopen.o" pike_cv_sys_dynamic_loading=yes with_dynamic_modules=yes AC_DEFINE(USE_MY_WIN32_DLOPEN) fi ]) dnl dnl This does not work with Digital UNIX cc/ld (cc thinks it is ok, ld does not) dnl dnl AC_SYS_COMPILER_FLAG(-native,native,OPTIMIZE) dnl dnl ### Ok. This is for apcc... case "$CC" in *apcc) AC_SYS_COMPILER_FLAG(-XO=5,apcc_opt,OPTIMIZE) AC_SYS_COMPILER_FLAG(-Xcallmod=2,apcc_opt_2,OPTIMIZE) ;; esac # Old cc for solaris. # AC_SYS_CPU_COMPILER_FLAG(sun4m,-Xpipe=micro,microsparc,OPTIMIZE) # AC_SYS_CPU_COMPILER_FLAG(sun4d,-Xpipe=super,supersparc,OPTIMIZE) # AC_SYS_CPU_COMPILER_FLAG(sun4u,-Xpipe=super,ultrasparc,OPTIMIZE) case "${CFLAGS-} $OPTIMIZE" in *-O*) ;; *+O*) ;; *-fast*) ;; *) case "$pike_cv_sys_os:$GCC" in UnixWare*:no) OPTIMIZE="" ;; *) AC_SYS_COMPILER_FLAG(-O2,O2,OPTIMIZE) if test "x$pike_cv_option_O2" != "xyes"; then AC_SYS_COMPILER_FLAG(-O,O,OPTIMIZE) fi ;; esac ;; esac fi fi fi if test ! -d modules/. ; then mkdir modules fi ############################################################################# ## Search for some popular places where libraries may be hidden. ############################################################################# if test x$"pike_cv_sys_os" != xWindows_NT ; then echo Searching for include-file directories... if test $cppflags_is_set = no -a x${C_INCLUDE_PATH-} = x ; then real_include_dirs='' for d in `echo ${with_include_path} | sed 's/:/ /g'` \ `echo $prefix | sed "s@^NONE@$with_root$ac_default_prefix@g"`/include \ $with_root/usr/local/include $with_root/sw/local/include \ $with_root/usr/gnu/include $with_root/opt/gnu/include \ $with_root/sw/gnu/include $with_root/sw/include \ $with_root/usr/freeware/include $with_root/usr/pkg/include \ `echo $with_root/usr/X11*/include | sort -r` $srcdir `pwd` do AC_MSG_CHECKING($d) case x$d in x/usr/include | x/usr//include) ;; *) if test -d "$d/." ; then REALDIR="`cd $d/. ; /bin/pwd`" if test "x$REALDIR" = x ; then REALDIR=UNKNOWN else : fi case " $CPPFLAGS $real_include_dirs " in *\ -I$d\ * | *\ -I$REALDIR\ *) AC_MSG_RESULT(already added) ;; *) AC_MSG_RESULT(added) CPPFLAGS="${CPPFLAGS} -I$d" if test "x$REALDIR" != xUNKNOWN; then real_include_dirs="${real_include_dirs} -I$REALDIR" else : fi ;; esac else AC_MSG_RESULT(no) fi ;; esac done else : fi #CPPFLAGS="${CPPFLAGS} -I$srcdir -I`pwd`" echo Searching for library directories... if test $ldflags_is_set = no ; then for d in `echo ${with_lib_path} | sed 's/:/ /g'` \ `echo $exec_prefix | sed "s@^NONE@$prefix/lib@g" | sed "s@^NONE@$with_root$ac_default_prefix/lib@g"` \ $with_root/usr/local/lib $with_root/sw/local/lib $with_root/sw/lib \ $with_root/usr/gnu/lib $with_root/opt/gnu/lib $with_root/sw/gnu/lib \ $with_root/usr/freeware/lib $with_root/usr/pkg/lib \ `echo $with_root/usr/X11*/lib | sort -r` do AC_MSG_CHECKING($d) if test -d "$d/." ; then case " $LDFLAGS " in *\ -L$d\ -R$d\ * | *\ -R$d\ -L$d\ *) AC_MSG_RESULT(already added) ;; *) AC_MSG_RESULT(added) LDFLAGS="${LDFLAGS} -R$d -L$d" ;; esac else AC_MSG_RESULT(no) fi done else : fi echo Searching for binary directories... for d in `echo $exec_prefix | sed "s@^NONE@$prefix@g" | sed "s@^NONE@$with_root$ac_default_prefix@g"` \ "$with_root" $with_root/usr $with_root/usr/ccs $with_root/usr/vac \ $with_root/usr/local $with_root/sw/local $with_root/usr/gnu \ $with_root/opt/gnu $with_root/sw/gnu $with_root/sw \ $with_root/usr/freeware $with_root/usr/pkg do AC_MSG_CHECKING($d/bin) if test -d "$d/bin/." ; then AC_MSG_RESULT(added) EXTRA_PATH="${EXTRA_PATH}:$d/bin" else AC_MSG_RESULT(no) fi done export EXTRA_PATH else # We are running NT CPPFLAGS="${CPPFLAGS} -I$srcdir -I`pwd`" fi ############################################################################# ## At this point we have at last initialized the compiler! ############################################################################# if test ! -f confdefs.h ; then AC_MSG_WARN([Warning, lost confdefs.h, testing will be flawed!! You might need to use bash instead of /bin/sh to get correct results. To do this, please type the following at an sh prompt: \$ rm ./config.cache \$ CONFIG_SHELL=/path/to/bash \$ export CONFIG_SHELL \$ $CONFIG_SHELL ./configure ]) fi ############################################################################# AC_DEFINE(POSIX_SOURCE) if test "x$enable_binary" != "xno"; then AC_MSG_CHECKING(ansi prototype capability) AC_CACHE_VAL(pike_cv_sys_ansi_prototypes, [ AC_TRY_COMPILE([int foo(int bar);],[], [pike_cv_sys_ansi_prototypes=yes], [pike_cv_sys_ansi_prototypes=no]) ]) if test "$pike_cv_sys_ansi_prototypes" = "yes"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no, giving up...) exit 1 fi fi ############################################################################# # The AC_PROG_INSTALL test is broken if $INSTALL is specified by hand. # The FreeBSD ports system does this... # Workaround: if test "x$INSTALL" = "x"; then :; else # $INSTALL overrides ac_cv_path_install anyway... ac_cv_path_install="$INSTALL" fi AC_PROG_INSTALL AC_PROG_CPP AC_PROG_RANLIB if test "x${AR-}" = x ; then AC_PATH_PROG(AR, ar, ar, $PATH:$EXTRA_PATH) export AR fi AC_SUBST(AR) ############################################################################# # installbsd seems to be broken on some versions of AIX # # /grubba 1997-08-16 case "$ac_cv_path_install" in *installbsd*) AC_MSG_CHECKING(if $ac_cv_path_install works) AC_CACHE_VAL(pike_cv_install_works, [ if $ac_cv_path_install "$srcdir/configure.in" ./conftest >/dev/null 2>&1 then if cmp "$srcdir/configure.in" ./conftest >/dev/null 2>&1; then pike_cv_install_works=yes; else pike_cv_install_works=no; fi else pike_cv_install_works=no; fi if test -f ./conftest; then rm -f ./conftest fi ]) AC_MSG_RESULT($pike_cv_install_works) if test "$pike_cv_install_works" = "no"; then echo "Warning: Falling back to $ac_install_sh" INSTALL="$ac_install_sh" fi ;; esac ############################################################################# AC_MSG_CHECKING(if we can allocate large auto variables) AC_CACHE_VAL(pike_cv_C_supports_large_auto, [ AC_TRY_LINK([ #include <stdio.h> int eat_stack(int foo) { char large_array[131072] = ""; int i, sum = 0; for (i = 0; i < foo; i++) { /* Make sure the compiler doesn't optimize away the array. */ large_array[i] = sum; sum += foo; } for (i = 0; i < foo; i++) { sum += large_array[i] - large_array[foo-1-i]; } return sum; } ], [ return !eat_stack(4711); ], [ pike_cv_C_supports_large_auto=yes ], [ pike_cv_C_supports_large_auto=no ]) ]) if test "$pike_cv_C_supports_large_auto" = "yes"; then AC_MSG_RESULT([yes - good]) else AC_MSG_RESULT([no]) AC_MSG_CHECKING([if we can make a workaround by defining _chkstk to call __chkstk]) AC_CACHE_VAL([pike_cv_kludge__chkstk], [ AC_TRY_LINK([ #include <stdio.h> int eat_stack(int foo) { char large_array[131072] = ""; int i, sum = 0; for (i = 0; i < foo; i++) { /* Make sure the compiler doesn't optimize away the array. */ large_array[i] = sum; sum += foo; } for (i = 0; i < foo; i++) { sum += large_array[i] - large_array[foo-1-i]; } return sum; } extern size_t __chkstk(); size_t _chkstk() { return __chkstk(); } ], [ return !eat_stack(4711); ], [ pike_cv_kludge__chkstk=yes ], [ pike_cv_kludge__chkstk=no ]) ]) if test "$pike_cv_kludge__chkstk" = "yes"; then AC_MSG_RESULT([yes - applying workaround]) AC_DEFINE(HAVE_BROKEN_CHKSTK) else AC_MSG_RESULT([no]) AC_ERROR([Your C compiler does not link code that uses large auto variables. Please check config.log, and fix the problem.]) exit 1 fi fi ############################################################################# AC_MSG_CHECKING(for yacc clone that handles %pure_parser) AC_CACHE_VAL(pike_cv_prog_working_yacc, [ for YACC in pyacc byacc "bison -y" yacc "None"; do set dummy $YACC; ac_word=$2 has_it=no IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then has_it="yes" break fi done IFS="$ac_save_ifs" if test "$has_it" = "yes"; then cat >conftest.y<<\EOF %pure_parser %{ void parse(); void yyerror(char *); %} %% all: foo bar foo: 'f' 'o' 'o' { parse(); } ; bar: 'b' 'a' 'r' ; %% int context; int yylex(YYSTYPE *yylval) { switch(context++) { case 0: return 'f'; case 1: return 'o'; case 2: return 'o'; case 3: return 'b'; case 4: return 'a'; case 5: return 'r'; default: return 0; } } int depth=0; void parse() { int tmp; if(depth++>5) return; tmp=context; context=0; yyparse(); context=tmp; } int errors=0; void yyerror(char *fel) { errors++; } int main() { parse(); exit(errors); } EOF if $YACC -d conftest.y 1>&5 2>&5; then if test "x$enable_binary" = "xno"; then break else AC_TRY_RUN([ #include "y.tab.c" ],pure_parser_works=yes,pure_parser_works=no,pure_parser_works=no) if test "$pure_parser_works" = "yes"; then break fi fi fi fi done pike_cv_prog_working_yacc="$YACC" ]) YACC="$pike_cv_prog_working_yacc" if test "x$YACC" = "xNone" ; then AC_MSG_RESULT([Get bison if you want to do "make export"]) YACC="bison -y" else AC_MSG_RESULT($YACC) fi ############################################################################# AC_MSG_CHECKING(for the type of the last argument to __yy_memcpy) AC_CACHE_VAL(pike_cv___yy_memcpy_count_type, [ pike_cv___yy_memcpy_count_type=unknown for count_type in "unsigned int" "size_t" "unsigned long" "int"; do cat >conftest.y <<EOF %pure_parser %{ #include <stdio.h> #ifndef __GNUC__ #ifndef __cplusplus static void __yy_memcpy(char *to, char *from, $count_type count); #endif /* !__cplusplus */ #endif /* !__GNUC__ */ void yyerror(char *); int yylex(void *); %} %% all: foo bar foo: 'f' 'o' 'o' { fprintf(stderr, "foo\\n"); } ; bar: 'b' 'a' 'r' ; %% int yylex(void *yylval) { return 'f'; } void yyerror(char *err) { fprintf(stderr, "ERR: %s\\n", err); } EOF echo conftest.y: 1>&5 cat conftest.y 1>&5 if $YACC -d conftest.y 1>&5 2>&5; then AC_TRY_LINK([ #include "y.tab.c" ], [ yyparse(); exit(0); ], [ pike_cv___yy_memcpy_count_type=$count_type break ]) fi done ]) AC_MSG_RESULT($pike_cv___yy_memcpy_count_type) if test "x$pike_cv___yy_memcpy_count_type" = "xunknown"; then AC_MSG_WARN([Defaulting to unsigned int.]) AC_DEFINE(YY_COUNT_TYPE, [unsigned int]) else AC_DEFINE_UNQUOTED(YY_COUNT_TYPE, $pike_cv___yy_memcpy_count_type) fi ############################################################################# ## At this point we have found all binaries we are going to use. ############################################################################# AC_C_CONST # The above doesn't find IBM C's buggy const. if test "$ac_cv_c_const" = "yes"; then AC_MSG_CHECKING(if const really does work) AC_CACHE_VAL(pike_cv_c_really_const,[ AC_TRY_COMPILE([ const int foo(int bar) { return bar; } ], [ return bar(0); ], [ pike_cv_c_really_const=yes ], [ pike_cv_c_really_const=no ]) ]) AC_MSG_RESULT($pike_cv_c_really_const) if test "x$pike_cv_c_really_const" = xno ; then AC_DEFINE(const, []) else : fi fi AC_MSG_CHECKING(if we can cast void * to a function pointer) AC_CACHE_VAL(pike_cv_function_cast, [ AC_TRY_COMPILE([ void *foo = 0; ],[ void (*bar)(void) = (void (*)(void)) foo; ],[ pike_cv_function_cast="yes" ], [ pike_cv_function_cast="no" ]) ]) if test "$pike_cv_function_cast" = "yes"; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) AC_DEFINE(NO_CAST_TO_FUN) fi ############################################################################# AC_HEADER_TIME AC_HEADER_STDC AC_CHECK_HEADERS(sys/rusage.h time.h sys/time.h sys/types.h unistd.h stdlib.h \ memory.h values.h string.h strings.h fcntl.h sys/filio.h sys/sockio.h crypt.h \ locale.h sys/select.h net/socket.h sys/mman.h setjmp.h \ limits.h pthread.h crt/signal.h sys/id.h \ thread.h dlfcn.h dld.h dl.h sys/times.h sched.h sys/procfs.h sys/param.h \ winsock.h sys/ioct.h sys/socket.h malloc.h netinet/in.h sys/wait.h winbase.h \ grp.h pwd.h passwd.h group.h winsock2.h signal.h sys/file.h poll.h sys/poll.h \ socket.h ieeefp.h fp_class.h floatingpoint.h sys/priocntl.h sys/sched.h \ windows.h errno.h stddef.h mmx.h) # some Linux systems have a broken resource.h that compiles anyway /Mirar AC_MSG_CHECKING([for sys/resource.h]) AC_CACHE_VAL(pike_cv_sys_resource_h, [ AC_TRY_COMPILE([ #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif /* HAVE_SYS_TYPES_H */ #ifdef HAVE_TIME_H #include <time.h> #endif /* HAVE_TIME_H */ #ifdef HAVE_SYS_TIME_H #include <sys/time.h> #endif /* HAVE_SYS_TIME_H */ #include <sys/resource.h> ],[], [pike_cv_sys_resource_h=yes], [pike_cv_sys_resource_h=no]) ]) if test "x$pike_cv_sys_resource_h" = "xyes"; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SYS_RESOURCE_H) else AC_MSG_RESULT(no) fi AC_CHECK_SIZEOF(char *,4) AC_CHECK_SIZEOF(int, 4) AC_CHECK_SIZEOF(short, 2) AC_CHECK_SIZEOF(float, 4) AC_CHECK_SIZEOF(double, 8) AC_CHECK_SIZEOF(long, 4) AC_CHECK_SIZEOF(long long, 8) AC_CHECK_SIZEOF(__int64, 8) AC_MY_CHECK_TYPE(size_t,unsigned long) AC_MY_CHECK_TYPE(ptrdiff_t,long) AC_MY_CHECK_TYPE(off_t,long) AC_MY_CHECK_TYPE(pid_t,int) AC_MY_CHECK_TYPE(uid_t,int) AC_MY_CHECK_TYPE(gid_t,int) AC_MY_CHECK_TYPE(time_t,INT32) AC_MY_CHECK_TYPE(pri_t, short) AC_TYPE_SIGNAL dnl AC_CHECK_LIB(PW, alloca) AC_CHECK_LIB(m, floor) AC_CHECK_LIB(socket, socket) if test x"$pike_cv_sys_os" = xWindows_NT ; then AC_MSG_CHECKING(if we should use the 64 bit API) AC_CACHE_VAL(pike_cv_sys_win64, [ AC_EGREP_CPP(yes, [ #if defined(_WIN64) || defined(__WIN64__) yes #else no #endif ], [ pike_cv_sys_win64=yes ], [ pike_cv_sys_win64=no ]) ]) if test "x$pike_cv_sys_win64" = "xyes"; then AC_MSG_RESULT(yes) # Apparently the libraries are stilled named *32... # LIBS="-lkernel64 -lws2_64 -ladvapi64 $LIBS" LIBS="-lkernel32 -lws2_32 -ladvapi32 $LIBS" else AC_MSG_RESULT(no) LIBS="-lkernel32 -lws2_32 -ladvapi32 $LIBS" fi fi AC_CHECK_LIB(nsl, gethostbyname) AC_CHECK_LIB(rt, nanosleep) AC_CHECK_LIB(dl, dlopen) AC_CHECK_LIB(dld, shl_load) AC_CHECK_LIB(dld, dld_link) if test "${pike_cv_sys_os}" = "Linux"; then if test "${ac_cv_lib_m_floor}" = "no"; then AC_MSG_WARN(I will compensate for this by adding -lc -lm) LIBS="${LIBS} -lc -lm" fi if test "$ac_cv_header_sched_h" = "yes"; then AC_MSG_CHECKING(if sched.h has a typo) AC_CACHE_VAL(pike_cv_broken_sched_h, [ AC_TRY_COMPILE([ #include <sched.h> ],[ ],[ pike_cv_broken_shed_h=no ], [ OLDCPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -D_P=__P" AC_TRY_COMPILE([ #include <sched.h> ],[ ],[ pike_cv_broken_sched_h=yes ],[ pike_cv_broken_sched_h="very broken" ]) CPPFLAGS="$OLDCPPFLAGS" ]) ]) AC_MSG_RESULT($pike_cv_broken_sched_h) if test "$pike_cv_broken_sched_h" = "yes"; then AC_MSG_WARN(Applying workaround) CPPFLAGS="$CPPFLAGS -D_P=__P" fi fi fi ######################################################################## using_threads="no (forced)" if test x$with_threads = xyes ; then using_threads="no (no known threads found)" OLDLIBS="$LIBS" OLDCFLAGS="$CFLAGS" if test "x$pike_cv_sys_os" = "xWindows_NT" ; then # NT has threads... AC_DEFINE(_REENTRANT) AC_DEFINE(_THREAD_SAFE) AC_DEFINE(_UNIX_THREADS) AC_DEFINE(NT_THREADS) AC_DEFINE(PIKE_THREADS) using_threads="yes (nt)" else # Test for POSIX threads case "x$pike_cv_sys_os" in xOSF1*) # LIBS="${OLDLIBS} -lpthread -lmach -lexc -lc" LIBS="${OLDLIBS} -lpthread -lmach -lexc" ;; xBSD/OS*) LIBS="${OLDLIBS}" ;; xUnixWare*) if test "$GCC" = yes ; then CFLAGS="${CFLAGS} -pthread" else CFLAGS="${CFLAGS} -Kthread" fi ;; xFreeBSD*) # Threads on FreeBSD earlier than 1998-06-07 are broken. LIBS="${OLDLIBS}" AC_MSG_CHECKING(if this version of FreeBSD may have working threads) AC_CACHE_VAL(pike_cv_freebsd_threads, [ AC_TRY_RUN([ #include <osreldate.h> int main(int argc, char **argv) { /* FreeBSD before 228000 and 300000 - 300005 have broken threads. */ if (__FreeBSD_version < 228000) return(1); if (__FreeBSD_version < 300000) return(0); if (__FreeBSD_version < 300006) return(1); return(0); } ], pike_cv_freebsd_threads=yes, pike_cv_freebsd_threads=no, pike_cv_freebsd_threads=yes) ]) if test "x$pike_cv_freebsd_threads" = "xno"; then AC_MSG_RESULT(no) else AC_MSG_RESULT(yes) using_threads="yes (freebsd)" AC_PATH_PROG(PTHREAD_CONFIG,pthread-config,no) if test "x$PTHREAD_CONFIG" = xno ; then CFLAGS="${CFLAGS} -pthread" LD_FALLBACK_FLAGS="${LD_FALLBACK_FLAGS-} -lc_r" AC_MSG_CHECKING(Initial stack limit) AC_CACHE_VAL(pike_cv_initial_stack_size,[ AC_TRY_RUN([ #include <stdio.h> static int depth=0; FILE *f; void save_depth(void); void use_stack(void *page) { void *X[8190]; X[0]=page; save_depth(); use_stack(&X); } void save_depth(void) { depth+=sizeof(void *)*8192; fprintf(f,"%d\n",depth); fflush(f); if(depth>0x80000000) exit(0); } int main(int argc) { f=fopen("confdefs.out.2","w"); /* weird filename to circumvent configure weirdness */ save_depth(); use_stack(0); } ], pike_cv_initial_stack_size='', while read x; do pike_cv_initial_stack_size=$x ; done <confdefs.out.2) rm confdefs.out.2 >/dev/null 2>/dev/null || : ]) if test x$pike_cv_initial_stack_size = x ; then AC_MSG_RESULT(unlimited) else AC_MSG_RESULT($pike_cv_initial_stack_size) AC_DEFINE_UNQUOTED(Pike_INITIAL_STACK_SIZE,$pike_cv_initial_stack_size) fi else CFLAGS="$CFLAGS `pthread-config --cflags`" LIBS="$LIBS `pthread-config --libs`" LDFLAGS="$CFLAGS `pthread-config --ldflags`" fi fi ;; xAIX*) if test "`uname -v`" -gt 4 ; then LIBS="${OLDLIBS} -lpthread" else LIBS="${OLDLIBS} -lpthreads -lc_r" fi ;; xSolaris*) # Some versions of Solaris 2.5.1 require linking with -lthread too. LIBS="${OLDLIBS} -lpthread -lthread" ;; xDarwin*) LIBS="${OLDLIBS}" ;; *) LIBS="${OLDLIBS} -lpthread" ;; esac AC_CHECK_FUNCS(pthread_init pthread_mutexattr_init pthread_kill) AC_MSG_CHECKING(posix threads) AC_CACHE_VAL(pike_cv_posix_threads, [ AC_TRY_RUN([ #define _REENTRANT #define _THREAD_SAFE #define _MIT_POSIX_THREADS 1 #include <pthread.h> void *foo(void *bar) { pthread_exit(0); return 0; } pthread_mutexattr_t attr; pthread_mutex_t tmp; pthread_t gazonk; int main() { void *sune; #ifdef HAVE_PTHREAD_INIT pthread_init(); #endif /* HAVE_PTHREAD_INIT */ #ifdef HAVE_PTHREAD_MUTEXATTR_INIT pthread_mutexattr_init(&attr); #else memset(&attr, 0, sizeof(attr)); #endif /* HAVE_PTHREAD_MUTEXATTR_INIT */ pthread_mutex_init(&tmp, &attr); pthread_mutex_lock(&tmp); pthread_create(&gazonk,0,foo,0); pthread_join(gazonk,&sune); exit(0); } ], [ pike_cv_posix_threads=yes ], [ pike_cv_posix_threads=no ], [ AC_TRY_LINK([ #define _REENTRANT #define _THREAD_SAFE #define _MIT_POSIX_THREADS 1 #include <pthread.h> void *foo(void *bar) { pthread_exit(0); return 0; } pthread_mutexattr_t attr; pthread_mutex_t tmp; pthread_t gazonk; ], [ { void *sune; #ifdef HAVE_PTHREAD_INIT pthread_init(); #endif /* HAVE_PTHREAD_INIT */ #ifdef HAVE_PTHREAD_MUTEXATTR_INIT pthread_mutexattr_init(&attr); #else memset(&attr, 0, sizeof(attr)); #endif /* HAVE_PTHREAD_MUTEXATTR_INIT */ pthread_mutex_init(&tmp, &attr); pthread_mutex_lock(&tmp); pthread_create(&gazonk,0,foo,0); pthread_join(gazonk,&sune); exit(0); } ], [ pike_cv_posix_threads=yes ], [ pike_cv_posix_threads=no ]) ]) ]) if test $pike_cv_posix_threads = yes ; then AC_MSG_RESULT(yes) AC_DEFINE(_REENTRANT) AC_DEFINE(_THREAD_SAFE) AC_DEFINE(_MIT_POSIX_THREADS,1) AC_DEFINE(PIKE_THREADS) using_threads="yes (posix)" ########################################################################## AC_MSG_CHECKING(for pthread_attr_setstacksize) AC_CACHE_VAL(pike_cv_have_pthread_attr_setstacksize,[ AC_TRY_LINK([#include <pthread.h> void foo(pthread_attr_t*x) { pthread_attr_setstacksize(x, 1024*1024); } ],[],[ pike_cv_have_pthread_attr_setstacksize=yes ],[ pike_cv_have_pthread_attr_setstacksize=no ]) ]) AC_MSG_RESULT($pike_cv_have_pthread_attr_setstacksize) if test x$pike_cv_have_pthread_attr_setstacksize = xyes ; then AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE) else : fi ########################################################################## AC_MSG_CHECKING(for pthread_atfork) AC_CACHE_VAL(pike_cv_have_pthread_atfork,[ AC_TRY_LINK([#include <pthread.h> void foo(void) { pthread_atfork(0,0,0); } ],[],[ pike_cv_have_pthread_atfork=yes ],[ pike_cv_have_pthread_atfork=no ]) ]) if test x$pike_cv_have_pthread_atfork = xyes ; then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PTHREAD_ATFORK) else AC_MSG_RESULT([no - FreeBSD?]) fi ########################################################################## AC_MSG_CHECKING(for pthread_yield) AC_CACHE_VAL(pike_cv_have_pthread_yield,[ AC_TRY_LINK([#include <pthread.h> void foo(void) { pthread_yield(); } ],[],[ pike_cv_have_pthread_yield=yes ],[ pike_cv_have_pthread_yield=no ]) ]) AC_MSG_RESULT($pike_cv_have_pthread_yield) if test x$pike_cv_have_pthread_yield = xyes ; then AC_DEFINE(HAVE_PTHREAD_YIELD) else : fi ########################################################################## AC_MSG_CHECKING(for pthread_cond_init) AC_CACHE_VAL(pike_cv_have_pthread_cond_init,[ AC_TRY_LINK([#include <pthread.h> void foo(pthread_cond_t*x, pthread_condattr_t*y) { pthread_cond_init(x,y); } ],[],[ pike_cv_have_pthread_cond_init=yes ],[ pike_cv_have_pthread_cond_init=no ]) ]) AC_MSG_RESULT($pike_cv_have_pthread_cond_init) if test x$pike_cv_have_pthread_cond_init = xyes ; then AC_DEFINE(HAVE_PTHREAD_COND_INIT) else : fi ########################################################################## AC_MSG_CHECKING(if pthread_condattr_default is defined) AC_CACHE_VAL(pike_cv_have_pthread_condattr_default,[ AC_TRY_LINK([#include <pthread.h> void foo(pthread_cond_t *bar) { pthread_cond_init(bar, pthread_condattr_default); } ],[],[ pike_cv_have_pthread_condattr_default=yes ],[ pike_cv_have_pthread_condattr_default=no ]) ]) AC_MSG_RESULT($pike_cv_have_pthread_condattr_default) if test x$pike_cv_have_pthread_condattr_default = xyes ; then AC_DEFINE(HAVE_PTHREAD_CONDATTR_DEFAULT) else : fi # # FreeBSD doesn't like the &, while AIX requires it... # AC_MSG_CHECKING(if pthread_condattr_default is needs an & (AIX)) AC_CACHE_VAL(pike_cv_have_pthread_condattr_default_aix,[ AC_TRY_LINK([#include <pthread.h> void foo(pthread_cond_t *bar) { pthread_cond_init(bar, &pthread_condattr_default); } ],[],[ pike_cv_have_pthread_condattr_default_aix=yes ],[ pike_cv_have_pthread_condattr_default_aix=no ]) ]) AC_MSG_RESULT($pike_cv_have_pthread_condattr_default_aix) if test x$pike_cv_have_pthread_condattr_default_aix = xyes ; then AC_DEFINE(HAVE_PTHREAD_CONDATTR_DEFAULT_AIX) else : fi ########################################################################## AC_MSG_CHECKING(for __pthread_initial_thread_bos) AC_CACHE_VAL(pike_cv_have_pthread_initial_thread_bos,[ AC_TRY_LINK([#include <pthread.h> char *foo(void) { extern char *__pthread_initial_thread_bos; return __pthread_initial_thread_bos; } ],[],[ pike_cv_have_pthread_initial_thread_bos=yes ],[ pike_cv_have_pthread_initial_thread_bos=no ]) ]) AC_MSG_RESULT($pike_cv_have_pthread_initial_thread_bos) if test x$pike_cv_have_pthread_initial_thread_bos = xyes ; then AC_DEFINE(HAVE_PTHREAD_INITIAL_THREAD_BOS) else : fi ########################################################################## # On Linux the threads don't inherit euid & egid from the main thread. # FIXME: Add a real test here! if test "x$pike_cv_sys_os" = "xLinux"; then AC_DEFINE(HAVE_BROKEN_LINUX_THREAD_EUID) else :; fi else AC_MSG_RESULT(no) LIBS="$OLDLIBS" CFLAGS="$OLDCFLAGS" # No POSIX threads. # Try UNIX threads instead AC_MSG_CHECKING(unix threads) case "x$pike_cv_sys_os" in xUnixWare*) if test "$GCC" = yes ; then CFLAGS="${CFLAGS} -pthread" else CFLAGS="${CFLAGS} -Kthread" fi CFLAGS="${CFLAGS} -D_UNIXWARE_THREADS_" ;; *) LIBS="${LIBS} -lthread" ;; esac AC_CACHE_VAL(pike_cv_unix_threads, [ AC_TRY_RUN([ #define _REENTRANT #define _THREAD_SAFE #define _MIT_POSIX_THREADS 1 #include <thread.h> #ifdef _UNIXWARE_THREADS_ #include <synch.h> #endif void *foo(void *bar) { thr_exit(0); return 0; } mutex_t tmp; thread_t gazonk; int main() { void *sune; mutex_lock(& tmp); thr_create(0,0,foo,0,0,&gazonk); thr_join(gazonk,0,&sune); exit(0); } ],pike_cv_unix_threads=yes,pike_cv_unix_threads=no,pike_cv_unix_threads=no) ]) if test x$pike_cv_unix_threads = xyes ; then AC_MSG_RESULT(yes) AC_DEFINE(_REENTRANT) AC_DEFINE(_THREAD_SAFE) AC_DEFINE(_UNIX_THREADS) AC_DEFINE(PIKE_THREADS) using_threads="yes (unix)" else AC_MSG_RESULT(no) LIBS="$OLDLIBS" CFLAGS="$OLDCFLAGS" # Now we've sunk really low -- test for proprietary threads # SGI old-style shared group processes # AC_CHECK_FUNCS(sproc oserror) # # AC_MSG_CHECKING(Fallback to sproc) # # if test x$ac_cv_func_sproc$ac_cv_func_oserror = xyesyes; then # AC_MSG_RESULT(yes) # AC_DEFINE(_REENTRANT) # AC_DEFINE(_THREAD_SAFE) # AC_DEFINE(_SGI_SPROC_THREADS) # AC_DEFINE(_SGI_MP_SOURCE) # using_threads="yes (sgi)" # else # AC_MSG_RESULT(no) # : # fi fi # UNIX threads fi # POSIX threads fi # NT else # Without threads : fi ######################################################################## # NOTE: The following test is hardcoded to fail when crosscompiling # It also clobbers $LIBOBJS. OLD_LIBOBJS="${LIBOBJS}" AC_FUNC_MEMCMP if test "x$ac_cv_func_memcmp_clean" = "xyes"; then AC_DEFINE(HAVE_MEMCMP) fi LIBOBJS="${OLD_LIBOBJS}" ######################################################################## AC_FUNC_MMAP AC_CHECK_FUNCS( \ _crypt \ poll \ bcopy \ bzero \ clock \ crypt \ fchmod \ gethrtime \ gethrvtime \ getenv \ getrlimit \ getrusage \ gettimeofday \ index \ localtime \ gmtime \ memchr \ mktime \ perror \ rindex \ setbuf \ setlocale \ setrlimit \ setresuid \ setvbuf \ sigaction \ sigblock \ sigprocmask \ sigvec \ strcasecmp \ strnlen \ strncmp \ strchr \ strcspn \ strerror \ strrchr \ strtod \ strtok \ strtol \ time \ times \ vfprintf \ vsprintf \ vsnprintf \ wait3 \ wait4 \ waitpid \ munmap \ shl_load \ dld_link \ dld_get_func \ pipe \ strdup \ strstr \ kill \ alarm \ fork1 \ flock \ lockf \ setuid getuid seteuid geteuid \ setgid getgid setegid getegid \ getpwent getpwnam getpwuid \ getgrent getgrnam \ setsid setpgrp getpgrp setpgid getpgid \ initgroups setgroups \ socketpair \ fpclass \ fp_class_d \ isinf \ isnan \ iszero \ finite \ signbit \ nice \ __priocntl \ sched_setscheduler \ setpriority \ usleep \ nanosleep \ ) AC_MSG_CHECKING(for the type of the last argument to accept) AC_CACHE_VAL(pike_cv_accept_size_t, [ for t in socklen_t size_t int; do AC_TRY_COMPILE([ #ifndef _LARGEFILE_SOURCE # define _FILE_OFFSET_BITS 64 # define _LARGEFILE_SOURCE # define _LARGEFILE64_SOURCE 1 #endif /* HPUX needs these too... */ #ifndef __STDC_EXT__ # define __STDC_EXT__ #endif /* !__STDC_EXT__ */ #include <sys/types.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif /* NT */ #ifdef HAVE_WINSOCK_H #include <winsock.h> #endif /* Here's the actual test: */ int accept(int, struct sockaddr *, $t *); ], [ /* EMPTY */ ], [ pike_cv_accept_size_t=$t break ], [ AC_TRY_COMPILE([ #ifndef _LARGEFILE_SOURCE # define _FILE_OFFSET_BITS 64 # define _LARGEFILE_SOURCE # define _LARGEFILE64_SOURCE 1 #endif /* HPUX needs these too... */ #ifndef __STDC_EXT__ # define __STDC_EXT__ #endif /* !__STDC_EXT__ */ #include <sys/types.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif /* NT */ #ifdef HAVE_WINSOCK_H #include <winsock.h> #endif /* Here's the actual test: */ SOCKET accept(SOCKET, struct sockaddr *, $t *); ], [ /* EMPTY */ ], [ pike_cv_accept_size_t=$t break ], []) ]) done if test "x$pike_cv_accept_size_t" = "x"; then # Check if it could be a Psocklen_t # Psocklen_t is a stupid typedef of socklen_t *. AC_TRY_COMPILE([ #ifndef _LARGEFILE_SOURCE # define _FILE_OFFSET_BITS 64 # define _LARGEFILE_SOURCE # define _LARGEFILE64_SOURCE 1 #endif /* HPUX needs these too... */ #ifndef __STDC_EXT__ # define __STDC_EXT__ #endif /* !__STDC_EXT__ */ #include <sys/types.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif /* NT */ #ifdef HAVE_WINSOCK_H #include <winsock.h> #endif /* Here's the actual test: */ int accept(int, struct sockaddr *, Psocklen_t); ], [ /* EMPTY */ ], [ pike_cv_accept_size_t=socklen_t ], [ # FIXME: Should probably have a warning here. # FIXME: Should we check if socklen_t exists, and use that? pike_cv_accept_size_t=int ]) fi ]) AC_MSG_RESULT($pike_cv_accept_size_t *) AC_DEFINE_UNQUOTED(ACCEPT_SIZE_T, $pike_cv_accept_size_t) if test x"$pike_cv_sys_os" = xWindows_NT ; then AC_DEFINE(HAVE_LOADLIBRARY) AC_DEFINE(HAVE_FREELIBRARY) AC_DEFINE(HAVE_GETPROCADDRESS) AC_DEFINE(DL_EXPORT, _dlspec(export)) else AC_DEFINE(DL_EXPORT, []) fi if test $ac_cv_func_crypt$ac_cv_func__crypt = nono ; then AC_CHECK_LIB(crypt,crypt,[LIBS="${LIBS} -lcrypt" ; AC_DEFINE(HAVE_CRYPT)], [ if test -f "$srcdir/crypt.c"; then AC_MSG_RESULT(Using crypt.c for BSD style crypt()) EXTRA_OBJS="${EXTRA_OBJS} crypt.o" AC_DEFINE(HAVE_CRYPT) AC_DEFINE(USE_CRYPT_C) else : fi ]) fi ############################################################################# # FreeBSD 3.0 has broken F_SETFD when running with threads. AC_MSG_CHECKING(whether F_SETFD exists and works) AC_CACHE_VAL(pike_cv_broken_f_setfd, [ AC_TRY_RUN([ #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif /* HAVE_SYS_TYPES_H */ #include <sys/stat.h> #ifdef HAVE_FCNTL_H #include <fcntl.h> #endif /* HAVE_FCNTL_H */ #include <stdio.h> #ifndef FD_CLOEXEC #define FD_CLOEXEC 1 #endif /* FD_CLOEXEC */ int main(int argc, char **argv) { int fd = 0; if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) { exit(1); } if (fcntl(fd, F_GETFD) != FD_CLOEXEC) { exit(1); } exit(0); } ], pike_cv_broken_f_setfd=no, pike_cv_broken_f_setfd=yes, pike_cv_broken_f_setfd=yes) ]) if test "x$pike_cv_broken_f_setfd" = "xyes"; then AC_MSG_RESULT(no) AC_DEFINE(HAVE_BROKEN_F_SETFD) else AC_MSG_RESULT(yes) fi ############################################################################# AC_STRUCT_TM ############################################################################# AC_MSG_CHECKING(extern int timezone) AC_CACHE_VAL(pike_cv_has_external_timezone,[ AC_TRY_LINK([ #include <time.h> ],[ int _tz; _tz=timezone; timezone=_tz; ],pike_cv_has_external_timezone=yes,pike_cv_has_external_timezone=no) ]) if test "$pike_cv_has_external_timezone" = "yes"; then AC_DEFINE(HAVE_EXTERNAL_TIMEZONE) fi AC_MSG_RESULT($pike_cv_has_external_timezone) ############################################################################# # No test for this yet... AC_DEFINE(HAVE_STRUCT_TIMEVAL) ############################################################################# if test "x$ac_cv_func_strtol" = "xyes"; then AC_MSG_CHECKING(if strtol works for large hexadecimal constants) AC_CACHE_VAL(pike_cv_func_strtol_works, [ AC_TRY_RUN([ #include <stdlib.h> int main(int argc, char **argv) { /* On some OS's strtol() rounds this to 0x7fffffff. */ return(strtol("0xffffffff", NULL, 0) != 0xffffffff); } ], pike_cv_func_strtol_works=yes, pike_cv_func_strtol_works=no, pike_cv_func_strtol_works=no) ]) AC_MSG_RESULT($pike_cv_func_strtol_works) if test "x$pike_cv_func_strtol_works" = "xyes"; then AC_DEFINE(HAVE_WORKING_STRTOL) else :; fi else :; fi ############################################################################# AC_MSG_CHECKING(if gettimeofday takes two arguments) AC_CACHE_VAL(pike_cv_func_gettimeofday_has_two_args, [ AC_TRY_RUN([ #if TIME_WITH_SYS_TIME # include <sys/time.h> # include <time.h> #else # if HAVE_SYS_TIME_H # include <sys/time.h> # else # if HAVE_TIME_H # include <time.h> # endif # endif #endif #ifndef HAVE_STRUCT_TIMEVAL struct timeval { long tv_sec; long tv_usec; }; #endif int main() { struct timeval tv; gettimeofday(&tv,(void *)0); exit(0); } ], [ pike_cv_func_gettimeofday_has_two_args=yes ], [ pike_cv_func_gettimeofday_has_two_args=no ], [ AC_TRY_LINK([ #if TIME_WITH_SYS_TIME # include <sys/time.h> # include <time.h> #else # if HAVE_SYS_TIME_H # include <sys/time.h> # else # if HAVE_TIME_H # include <time.h> # endif # endif #endif #ifndef HAVE_STRUCT_TIMEVAL struct timeval { long tv_sec; long tv_usec; }; #endif ], [ { struct timeval tv; gettimeofday(&tv,(void *)0); exit(0); } ], [ pike_cv_func_gettimeofday_has_two_args=yes ], [pike_cv_func_gettimeofday_has_two_args=no]) ]) ]) if test $pike_cv_func_gettimeofday_has_two_args = yes; then AC_DEFINE(GETTIMEOFDAY_TAKES_TWO_ARGS) fi AC_MSG_RESULT($pike_cv_func_gettimeofday_has_two_args) if test "x$ac_cv_func_gethrtime" != "xyes"; then AC_MSG_CHECKING(if we can make gethrtime by the RDTSC instruction) AC_CACHE_VAL(pike_cv_own_gethrtime_rdtsc, [ AC_TRY_RUN([ #include <unistd.h> #include <stdio.h> #include <sys/time.h> static long long hrtime_rtsc_zero; static long long hrtime_rtsc_last; static long long hrtime_max; static struct timeval hrtime_timeval_zero; static long double hrtime_conv=0.0; #define GETTIMEOFDAY(PTR) gettimeofday(PTR,NULL) #define RTSC(x) \ __asm__ __volatile__ ( "rdtsc" \ :"=a" (((unsigned long*)&x)[0]), \ "=d" (((unsigned long*)&x)[1])) void own_gethrtime_init() { GETTIMEOFDAY(&hrtime_timeval_zero); RTSC(hrtime_rtsc_zero); hrtime_rtsc_last=hrtime_rtsc_zero; hrtime_max=0; } int own_gethrtime_update(struct timeval *ptr) { long long td,t,now; GETTIMEOFDAY(ptr); RTSC(now); td=((long long)ptr->tv_sec-hrtime_timeval_zero.tv_sec)*1000000000+ ((long long)ptr->tv_usec-hrtime_timeval_zero.tv_usec)*1000; hrtime_rtsc_last=now; t=now-hrtime_rtsc_zero; if (t) hrtime_conv=((long double)td)/t; return 1; } /* this is very sensitive to the compiler; keep all crap */ long long gethrtime() { long long now; struct timeval tv; if (hrtime_conv==0.0) { if (!own_gethrtime_update(&tv)) /* not calibrated yet */ { return hrtime_max= ((long long)tv.tv_sec-hrtime_timeval_zero.tv_sec)*1000000000+ ((long long)tv.tv_usec-hrtime_timeval_zero.tv_usec)*1000; } } RTSC(now); if (now-hrtime_rtsc_last > 2000000000) { own_gethrtime_update(&tv); return gethrtime(); } now = (long long) ( (long double)(now-hrtime_rtsc_zero) * hrtime_conv ); if (now<hrtime_max) now=hrtime_max; return hrtime_max=now; } #include <stdio.h> int main() { struct timeval tv1,tv2; long long td,t1,t2; own_gethrtime_init(); usleep(10); own_gethrtime_update(&tv2); t1=gethrtime(); gettimeofday(&tv1,NULL); for (;;) /* busy loop */ { GETTIMEOFDAY(&tv2); td=((long long)tv2.tv_sec-tv1.tv_sec)*1000000000+ ((long long)tv2.tv_usec-tv1.tv_usec)*1000; if (td>1000000) break; } t2=gethrtime(); /* printf("t2-t1=%lld\n",t2-t1); */ if (t2==hrtime_rtsc_zero || t2-t1>1100000 || t2-t1<900000) return 1; return 0; }], pike_cv_own_gethrtime_rdtsc=yes, pike_cv_own_gethrtime_rdtsc=no, pike_cv_own_gethrtime_rdtsc=no) ]) if test "x$pike_cv_own_gethrtime_rdtsc" = "xyes"; then AC_MSG_RESULT(yes) AC_DEFINE(OWN_GETHRTIME) AC_DEFINE(OWN_GETHRTIME_RDTSC) AC_DEFINE(HAVE_GETHRTIME) else AC_MSG_RESULT([no]) fi fi AC_MSG_CHECKING(if struct tm has tm_gmtoff) AC_CACHE_VAL(pike_cv_struct_tm_has_gmtoff,[ AC_TRY_COMPILE([ #ifdef TM_IN_SYS_TIME #include <sys/time.h> #else #include <time.h> #endif ],[ int _tz; struct tm foo; _tz=foo->tm_gmtoff; ],pike_cv_struct_tm_has_gmtoff=yes,pike_cv_struct_tm_has_gmtoff=no) ]) if test "$pike_cv_struct_tm_has_gmtoff" = "yes"; then AC_DEFINE(STRUCT_TM_HAS_GMTOFF) fi AC_MSG_RESULT($pike_cv_struct_tm_has_gmtoff) AC_MSG_CHECKING(for USHRT_MAX definition) AC_CACHE_VAL(pike_cv_ushrt_max_is_defined,[ AC_EGREP_CPP(yes,[ #include <limits.h> #ifdef USHRT_MAX yes #endif ],pike_cv_ushrt_max_is_defined=yes,pike_cv_ushrt_max_is_defined=no) ]) if test "$pike_cv_ushrt_max_is_defined" = "no" ; then AC_DEFINE(USHRT_MAX,65535) fi AC_MSG_RESULT($pike_cv_ushrt_max_is_defined) define(MY_CHECK_HEADERS, [ AC_MSG_CHECKING(for $1 declaration) AC_CACHE_VAL(pike_cv_decl_$1, [ pike_cv_decl_$1=nonexistant for a in $2 do AC_EGREP_HEADER($1,$a,[ pike_cv_decl_$1=existant; break ]) done ]) AC_MSG_RESULT($pike_cv_decl_$1) if test "$pike_cv_decl_$1" = nonexistant; then AC_DEFINE(translit($1,[a-z],[A-Z])[]_DECL_MISSING) fi ]) MY_CHECK_HEADERS(strchr,string.h unistd.h stdlib.h) MY_CHECK_HEADERS(malloc,memory.h unistd.h stdlib.h) MY_CHECK_HEADERS(getpeername,sys/socket.h sys/socketvar.h sys/socketio.h winsock.h winsock2.h) MY_CHECK_HEADERS(popen,stdio.h unistd.h) MY_CHECK_HEADERS(getenv,unistd.h stdlib.h) MY_CHECK_HEADERS(gethostname,unistd.h netdb.h winsock.h winsock2.h) AC_ALLOCA AC_C_CONST AC_C_INLINE AC_CHECK_FUNCS(ualarm setitimer) if test "x$ac_cv_func_ualarm" = "xyes"; then AC_MSG_CHECKING(no of arguments to ualarm) AC_CACHE_VAL(pike_cv_ualarm_takes_two_args, [ AC_TRY_COMPILE([ #ifdef HAVE_UNISTD_H #include <unistd.h> #endif /* HAVE_UNISTD_H */ ],[ ualarm(0,0); ],pike_cv_ualarm_takes_two_args=yes,pike_cv_ualarm_takes_two_args=no) ]) if test "$pike_cv_ualarm_takes_two_args" = yes; then AC_MSG_RESULT(2) AC_DEFINE(UALARM_TAKES_TWO_ARGS) else AC_MSG_RESULT(1) fi fi ######################################################################## AC_MSG_CHECKING(stack direction) AC_CACHE_VAL(pike_cv_hardware_stack_direction, [ AC_TRY_RUN([ #include <stdio.h> static int find_stack_direction(void *foo) { if (((void *)&foo) > foo) { return 1; } else { return -1; } } int main() { void *bar; exit( find_stack_direction(&bar) > 0); } ], [ pike_cv_hardware_stack_direction=down ], [ pike_cv_hardware_stack_direction=up ], [ AC_MSG_WARN([defaulting to down.]) pike_cv_hardware_stack_direction=down ]) ]) AC_MSG_RESULT($pike_cv_hardware_stack_direction) if grep STACK_DIRECTION confdefs.h >/dev/null 2>&1; then : else if test "x$pike_cv_hardware_stack_direction" = "xup" ; then AC_DEFINE(STACK_DIRECTION, 1) else AC_DEFINE(STACK_DIRECTION, -1) fi fi ######################################################################## AC_MSG_CHECKING(byteorder) AC_CACHE_VAL(pike_cv_hardware_byteorder, [ AC_TRY_RUN([ #include <stdio.h> int main() { #if SIZEOF_INT == 4 #define T int #else #define T long #endif FILE *f; T a; int e; for(e=0;e<sizeof(T);e++) ((char *)&a)[e]=(e+1) % 10; f=fopen("conftest.out.2","w"); for(e=0;e<sizeof(T);e++) { fprintf(f,"%d",(int)(a & 255)); a>>=8; } fprintf(f,"\n"); fclose(f); return 0; }], pike_cv_hardware_byteorder=`cat conftest.out.2` , pike_cv_hardware_byteorder=0 , pike_cv_hardware_byteorder=0 )]) AC_MSG_RESULT($pike_cv_hardware_byteorder) AC_DEFINE_UNQUOTED(PIKE_BYTEORDER,$pike_cv_hardware_byteorder) ######################################################################## AC_MSG_CHECKING(INT32 alignment) AC_CACHE_VAL(pike_cv_hardware_alignment, [ AC_TRY_RUN([ #include <stdio.h> #if SIZEOF_SHORT >= 4 #define INT32 short #else #if SIZEOF_INT >= 4 #define INT32 int #else #define INT32 long #endif #endif struct x { char a; INT32 b; }; int main(int argc, char *argv[]) { FILE f; struct x x; if(!(f=fopen("conftest.out.2","w"))) return 1; fprintf(f, "%u\n", (unsigned int)(((char *)&x.b)-((char*)&x))); fclose(f); return 0; }], pike_cv_hardware_alignment=`cat conftest.out.2`, pike_cv_hardware_alignment=4, pike_cv_hardware_alignment=4 )]) AC_MSG_RESULT($pike_cv_hardware_alignment) AC_DEFINE_UNQUOTED(PIKE_INT32_ALIGNMENT,$pike_cv_hardware_alignment) ######################################################################## MY_CHECK_FUNCTION(fork, [ #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_UNISTD_H #include <unistd.h> #endif ], [ exit(fork()==-1); ]) ######################################################################## MY_CHECK_FUNCTION(PTHREAD_MUTEX_RECURSIVE, [ #include <pthread.h> ], [ PTHREAD_MUTEX_RECURSIVE; exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(PTHREAD_MUTEX_RECURSIVE_NP, [ #include <pthread.h> ], [ PTHREAD_MUTEX_RECURSIVE_NP; exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(fpsetmask, [ #include <math.h> #ifdef HAVE_FLOATINGPOINT_H #include <floatingpoint.h> #endif #ifdef HAVE_IEEEFP_H #include <ieeefp.h> #endif ], [ fpsetmask(0); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(fpsetround, [ #include <math.h> #ifdef HAVE_FLOATINGPOINT_H #include <floatingpoint.h> #endif #ifdef HAVE_IEEEFP_H #include <ieeefp.h> #endif #ifndef FP_RN #define FP_RN 0 #endif /* FP_RN */ ], [ fpsetround(FP_RN); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(isless, [ #include <math.h> #ifdef HAVE_FLOATINGPOINT_H #include <floatingpoint.h> #endif #ifdef HAVE_IEEEFP_H #include <ieeefp.h> #endif ], [ int t = isless(0.0, 0.0); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(dlopen, [ #include <dlfcn.h> ], [ dlopen(0, 0); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(ldexp, [ #include <math.h> ], [ double x; int p; for(x=0.0;x<2.0;x+=1.0/64.0) for(p=-6;p<7;p++) if(ldexp(x,p) != x*pow(2.0, (double)p)) exit(1); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(rint, [ #include <math.h> #ifdef HAVE_FLOATINGPOINT_H #include <floatingpoint.h> #endif #ifdef HAVE_IEEEFP_H #include <ieeefp.h> #endif /* HAVE_IEEEFP_H */ ], [ #ifdef HAVE_FPSETROUND /* Round to nearest */ #ifndef FP_RN #define FP_RN 0 #endif /* FP_RN */ fpsetround(FP_RN); #endif /* HAVE_FPSETROUND */ if(rint(0.1) != 0.0 || rint(0.6) != 1.0) exit(1); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(frexp, [ #include <math.h> ], [ double x,y; int p,e; x=frexp(1.0, &e); if(x * pow(2.0,(double)e) != 1.0) exit(3); p=-7; for(x=3.0/4.0*pow(2.0,(double)p);x<50000.0;x*=2.0,p++) { if(frexp(x, &e)!=3.0/4.0) exit(1); if(e!=p) exit(2); } exit(0); ]) ############################################################################# MY_CHECK_FUNCTION(GetSystemTimeAsFileTime, [ #include <windows.h> #include <winbase.h> ], [ FILETIME f; GetSystemTimeAsFileTime(&f); exit(0); ]) ############################################################################# MY_CHECK_FUNCTION(gethostname, [ #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_WINSOCK_H #include <winsock.h> #endif ], [ char buffer[10000]; char *x=gethostname(buffer,sizeof(buffer)); exit(0); ]) ############################################################################# MY_CHECK_FUNCTION(strcoll, [ #include <string.h> #include <locale.h> ], [ setlocale(LC_CTYPE, "ISO-8859-1"); exit(strcoll("abc", "def") >= 0 || strcoll("ABC", "DEF") >= 0 || strcoll("ABC", "ABCD") >= 0 || strcoll("ABCD", "ABC") <= 0 || strcoll("*^#", "*^#") != 0 || strcoll("123", "456") >= 0); ]) ######################################################################## MY_CHECK_FUNCTION(memmem, [ #include <string.h> char *a="foo bar gazonk"; char *b="foo"; char *c="bar"; char *d="gazonk"; ], [ if(((char *)memmem(b,strlen(b),a,strlen(a)))!=a || ((char *)memmem(c,strlen(c),a,strlen(a)))!=(a+4) || ((char *)memmem(d,strlen(d),a,strlen(a)))!=(a+8) || ((char *)memmem(d,0,a,strlen(a)))!=a || memmem(d,strlen(d)+1,a,strlen(a))!=0) exit(1); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(memcpy, [ #include <string.h> char *a="foo bar gazonk"; char foo[23]; ], [ memcpy(foo, a, strlen(a)+1); memcpy(foo, a+4, 3); if(strcmp(foo,"bar bar gazonk")) exit(1); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(memset, [ #ifdef HAVE_STDDEF_H #include <stddef.h> #endif /* HAVE_STDDEF_H */ #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif /* HAVE_SYS_TYPES_H */ #include <stdio.h> #include <string.h> char foo[23]; struct pike_string { int refs; int size_shift; ptrdiff_t len; size_t hval; struct pike_string *next; char str[1]; }; struct pike_string *begin_shared_string(int len) { return malloc(sizeof(struct pike_string) + len); } ], [ int i; struct pike_string *str; ptrdiff_t len; memset(foo, 0, 11); memset(foo, 'a', 10); memset(foo, 'b', 5); if(strcmp(foo,"bbbbbaaaaa")) { fprintf(stderr, "1\n"); exit(1); } memset(foo, 0, 6); for (i=6; i--;) { if (foo[i]) { fprintf(stderr, "2\n"); exit(1); } } memset(foo+1, 1, 6); for (i=6; i--;) { if (foo[i+1] != 1) { fprintf(stderr, "3\n"); exit(1); } } memset(foo+2, 0, 6); for (i=6; i--;) { if (foo[i+2]) { fprintf(stderr, "4\n"); exit(1); } } memset(foo+3, 1, 6); for (i=6; i--;) { if (foo[i+3] != 1) { fprintf(stderr, "5\n"); exit(1); } } memset(foo+4, 0, 6); for (i=6; i--;) { if (foo[i+4]) { fprintf(stderr, "6\n"); exit(1); } } memset(foo+5, 1, 6); for (i=6; i--;) { if (foo[i+5] != 1) { fprintf(stderr, "7\n"); exit(1); } } memset(foo+6, 0, 6); for (i=6; i--;) { if (foo[i+6]) { fprintf(stderr, "8\n"); exit(1); } } memset(foo+7, 1, 6); for (i=6; i--;) { if (foo[i+7] != 1) { fprintf(stderr, "9\n"); exit(1); } } len = 6; str = begin_shared_string(len); if (!str) exit(1); for (i=len; i--;) { str->str[i] = ~0; } memset(str->str, 0, len); for (i = len; i--;) { if (str->str[i]) { fprintf(stderr, "string\n"); exit(1); } } free(str); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(memmove, [ #include <string.h> char buf[100]; ], [ strcpy(buf,"foo bar gazonk elefantsnabel."); if(strcmp(buf,"foo bar gazonk elefantsnabel.")) exit(1); memmove(buf,buf+1,7); if(strcmp(buf,"oo bar gazonk elefantsnabel.")) exit(1); memmove(buf+1,buf+1,9); if(strcmp(buf,"oo bar gazonk elefantsnabel.")) exit(1); memmove(buf+1,buf,11); if(strcmp(buf,"ooo bar gaznk elefantsnabel.")) exit(1); exit(0); ]) ######################################################################## MY_CHECK_FUNCTION(isspace, [ #include <ctype.h> ], [ if(isspace(' ')) exit(0); exit(1); ]) ############################################################################# AC_MSG_CHECKING(if we can declare environ) AC_CACHE_VAL(pike_cv_declare_environ,[ AC_TRY_COMPILE([ #include <stdlib.h> ],[ extern char **environ; exit(0); ],pike_cv_declare_environ=yes,pike_cv_declare_environ=no,pike_cv_declare_environ=yes) ]) AC_MSG_RESULT($pike_cv_declare_environ) if test "x$pike_cv_declare_environ" = xyes ; then AC_DEFINE(DECLARE_ENVIRON) fi ############################################################################# AC_MSG_CHECKING([for union wait (old BSD convention)]) AC_CACHE_VAL(pike_cv_union_wait, [ AC_TRY_COMPILE([ #ifdef HAVE_SYS_WAIT_H #include <sys/wait.h> #endif /* HAVE_SYS_WAIT_H */ ], [ union wait status; exit(0); ], pike_cv_union_wait=yes, pike_cv_union_wait=no) ]) AC_MSG_RESULT($pike_cv_union_wait) if test "x$pike_cv_union_wait" = "xyes" ; then AC_MSG_CHECKING([whether union wait is really needed]) AC_CACHE_VAL(pike_cv_union_wait_needed, [ AC_TRY_COMPILE([ #ifdef HAVE_SYS_WAIT_H #include <sys/wait.h> #endif /* HAVE_SYS_WAIT_H */ ], [ int status; return WIFEXITED(status) || 0; ], pike_cv_union_wait_needed=no, pike_cv_union_wait_needed=yes) ]) AC_MSG_RESULT($pike_cv_union_wait_needed) if test "x$pike_cv_union_wait_needed" = "xyes" ; then AC_DEFINE(HAVE_UNION_WAIT) else :; fi else :; fi ############################################################################# AC_MSG_CHECKING(how to extract an unsigned char) AC_CACHE_VAL(pike_cv_method_extract_uchar, [ AC_TRY_RUN([ int main() { char i,*p; i=-10; p=&i; if(*(unsigned char *)(p)!= 0x100 - 10) exit(1); exit(0); } ],pike_cv_method_extract_uchar=by_cast, pike_cv_method_extract_uchar=not_by_cast, pike_cv_method_extract_uchar=not_by_cast)]) if test "$pike_cv_method_extract_uchar" = by_cast; then AC_MSG_RESULT(by cast) AC_DEFINE(EXTRACT_UCHAR_BY_CAST) else AC_MSG_RESULT(not by cast) fi ######################################################################## AC_MSG_CHECKING(how to extract a signed char) AC_CACHE_VAL(pike_cv_method_extract_char, [ AC_TRY_RUN([ int main() { char i,*p; i=-10; p=&i; if(*(signed char *)(p)!= -10) exit(1); exit(0); } ],pike_cv_method_extract_char=by_cast, pike_cv_method_extract_char=not_by_cast, pike_cv_method_extract_char=not_by_cast)]) if test "$pike_cv_method_extract_char" = by_cast; then AC_MSG_RESULT(by cast) AC_DEFINE(EXTRACT_CHAR_BY_CAST) else AC_MSG_RESULT(not by cast) fi ############################################################################# mmx_reason=' (no mmx.h found)' if test "x$ac_cv_header_mmx_h" = xyes; then AC_MSG_CHECKING(for working MMX) mmx_reason=' (mmx.h found, but mmx operations failed)' AC_CACHE_VAL(pike_cv_sys_has_working_mmx, [ AC_TRY_LINK([ #ifdef HAVE_MMX_H #include <mmx.h> #endif ],[ { int try_use_mmx; char a[8]; movq_m2r( *a, mm0 ); paddb_r2r( mm0, mm0 ); movq_r2m( mm0, *a ); try_use_mmx=mmx_ok(); } ],pike_cv_sys_has_working_mmx=yes,pike_cv_sys_has_working_mmx=no) ]) AC_MSG_RESULT($pike_cv_sys_has_working_mmx) if test "x$pike_cv_sys_has_working_mmx" = xyes ; then AC_DEFINE(TRY_USE_MMX) mmx_reason='' else :; fi else :; fi ############################################################################# AC_MSG_CHECKING(if float conversion can cause SIGFPE) AC_CACHE_VAL(pike_cv_sys_idiot_sigfpe, [ AC_TRY_RUN([ #include <math.h> #ifdef HAVE_FLOATINGPOINT_H #include <floatingpoint.h> #endif #ifdef HAVE_IEEEFP_H #include <ieeefp.h> #endif float foo_float = 0.0; int main(int argc, char **argv) { float x=2.0, y=-128.0; #ifdef HAVE_FPSETMASK fpsetmask(0); #endif x = pow(2.0, -128.0); foo_float = x; if (x == 2.0) exit(1); x = pow(2.0, 1024.0); foo_float = x; if(x == 2.0) exit(1); exit(0); } ],pike_cv_sys_idiot_sigfpe=no,pike_cv_sys_idiot_sigfpe=yes, pike_cv_sys_idiot_sigfpe=yes) ]) if test $pike_cv_sys_idiot_sigfpe = yes ; then AC_MSG_RESULT(yes) IEEE_FLAG=no if test "x${GCC-}" = xyes ; then AC_SYS_COMPILER_FLAG(-mieee, mieee, CFLAGS,[],IEEE_FLAG=yes) else AC_SYS_COMPILER_FLAG(-ieee, ieee, CFLAGS,[],IEEE_FLAG=yes) fi TEST_IGNORE_SIGFPE=yes if test $IEEE_FLAG = yes; then AC_MSG_CHECKING(if float conversion is still broken) AC_CACHE_VAL(pike_cv_sys_idiot_sigfpe_with_ieee, [ OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $OPTIMIZE" AC_TRY_RUN([ #include <math.h> #ifdef HAVE_FLOATINGPOINT_H #include <floatingpoint.h> #endif #ifdef HAVE_IEEEFP_H #include <ieeefp.h> #endif float foo_float = 0.0; int main(int argc, char **argv) { float x=2.0, y=-128.0; #ifdef HAVE_FPSETMASK fpsetmask(0); #endif x = pow(2.0, -128.0); foo_float = x; if (x == 2.0) exit(1); x = pow(2.0, 1024.0); foo_float = x; if(x == 2.0) exit(1); exit(0); } ],pike_cv_sys_idiot_sigfpe_with_ieee=no,pike_cv_sys_idiot_sigfpe_with_ieee=yes, pike_cv_sys_idiot_sigfpe_with_ieee=yes) CFLAGS="$OLD_CFLAGS" ]) if test $pike_cv_sys_idiot_sigfpe_with_ieee = yes ; then AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) TEST_IGNORE_SIGFPE=no fi fi # IEEE_FLAG if test $TEST_IGNORE_SIGFPE = yes; then AC_MSG_CHECKING(if ignoring SIGFPE helps) AC_CACHE_VAL(pike_cv_sys_ignore_sigfpe, [ OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $OPTIMIZE" AC_TRY_RUN([ #include <signal.h> #include <math.h> int counter=0; RETSIGTYPE func(void) { if(counter++>10) exit(7); signal(SIGFPE,func); } float foo_float = 0.0; int main(int argc, char **argv) { float x=2.0, y=-128.0; signal(SIGFPE,func); x = pow(2.0, -128.0); foo_float = x; if (x == 2.0) exit(1); x = pow(2.0, 1024.0); foo_float = x; if(x == 2.0) exit(1); exit(0); } ],pike_cv_sys_ignore_sigfpe=yes,pike_cv_sys_ignore_sigfpe=no, pike_cv_sys_ignore_sigfpe=yes) CFLAGS="$OLD_CFLAGS" ]) if test "$pike_cv_sys_ignore_sigfpe" = yes; then AC_MSG_RESULT(yes) AC_DEFINE(IGNORE_SIGFPE) else AC_MSG_RESULT(no) fi fi # TEST_IGNORE_SIGFPE else AC_MSG_RESULT(no) fi # pike_cv_sys_idiot_sigfpe ############################################################################# define(float_check, [[ #include <math.h> #define TY $1 #define TEST_$1 #define TEST_$2 #define EXPECTED_SIZE_float 4 #define EXPECTED_SIZE_double 8 void check(TY n, char *pf, char *pd) { int i; char *p, *p2 = (char*)&n; #ifdef TEST_float p = pf; #else p = pd; #endif for(i=0; i<sizeof(TY); i++) #ifdef TEST_BIG if(p[i] != p2[i]) exit(1); #else if(p[i] != p2[sizeof(TY)-i-1]) exit(1); #endif } int main() { if(sizeof(TY)!=EXPECTED_SIZE_$1) exit(1); check((TY)0.0, "\000\000\000\000", "\000\000\000\000\000\000\000\000"); check((TY)1.0, "\077\200\000\000", "\077\360\000\000\000\000\000\000"); check((TY)-1.0, "\277\200\000\000", "\277\360\000\000\000\000\000\000"); check((TY)2.0, "\100\000\000\000", "\100\000\000\000\000\000\000\000"); check((TY)1.5, "\077\300\000\000", "\077\370\000\000\000\000\000\000"); check((TY)0.032999999821186065673828125, "\075\007\053\002", "\077\240\345\140\100\000\000\000"); exit(0); } ]]) AC_MSG_CHECKING(for type of float) AC_CACHE_VAL(pike_cv_float_type, [ AC_TRY_RUN(float_check(float,BIG), pike_cv_float_type=ieee_big, [ AC_TRY_RUN(float_check(float,LITTLE), pike_cv_float_type=ieee_little, pike_cv_float_type=not_ieee, pike_cv_float_type=not_ieee) ], [ echo $ac_n "crosscompiling... $ac_c" 1>&6 # Use some magical constants... cat > conftest.$ac_ext <<EOF dnl This sometimes fails to find confdefs.h, for some reason. dnl [#]line __oline__ "[$]0" [#]line __oline__ "configure" #include "confdefs.h" #include <stdio.h> float float_info[[]] = { 0.0, 14914788644012054221422592.0, 16305677175569252352.0, 0.0 }; EOF if AC_TRY_EVAL(ac_compile); then if test -f "conftest.$ac_objext"; then if strings "conftest.$ac_objext" | grep "iEeE_bIg" >/dev/null; then pike_cv_float_type=ieee_big else if strings "conftest.$ac_objext" | grep "EeEigIb_" >/dev/null; then pike_cv_float_type=ieee_little else pike_cv_float_type=not_ieee fi fi else AC_MSG_WARN([Object file not found.]) pike_cv_float_type=not_ieee fi else pike_cv_float_type=not_ieee fi rm -rf conftest* ]) ]) if test "$pike_cv_float_type" = ieee_big; then AC_MSG_RESULT(IEEE big endian) AC_DEFINE(FLOAT_IS_IEEE_BIG) else if test "$pike_cv_float_type" = ieee_little; then AC_MSG_RESULT(IEEE little endian) AC_DEFINE(FLOAT_IS_IEEE_LITTLE) else AC_MSG_RESULT(not IEEE) fi fi AC_MSG_CHECKING(for type of double) AC_CACHE_VAL(pike_cv_double_type, [ AC_TRY_RUN(float_check(double,BIG), pike_cv_double_type=ieee_big, [ AC_TRY_RUN(float_check(double,LITTLE), pike_cv_double_type=ieee_little, pike_cv_double_type=not_ieee, pike_cv_double_type=not_ieee) ], [ echo $ac_n "crosscompiling... $ac_c" 1>&6 # Use some magical constants... cat > conftest.$ac_ext <<EOF dnl This sometimes fails to find confdefs.h, for some reason. dnl [#]line __oline__ "[$]0" [#]line __oline__ "configure" #include "confdefs.h" #include <stdio.h> double double_info[[]] = { 0.0, 12794738495187527498222028847205909954314554441725728393516969126669975252147490126864122090122288822751876426313291683594796075946303753742007913302630260537160845833197547903208108732031187791380480.0, 0.0 }; EOF if AC_TRY_EVAL(ac_compile); then if test -f "conftest.$ac_objext"; then if strings "conftest.$ac_objext" | grep "iEeE_bIg" >/dev/null; then pike_cv_double_type=ieee_big else if strings "conftest.$ac_objext" | grep "gIb_EeEi" >/dev/null; then pike_cv_double_type=ieee_little else pike_cv_double_type=not_ieee fi fi else AC_MSG_WARN([Object file not found.]) pike_cv_float_type=not_ieee fi else pike_cv_float_type=not_ieee fi rm -rf conftest* ]) ]) if test "$pike_cv_double_type" = ieee_big; then AC_MSG_RESULT(IEEE big endian) AC_DEFINE(DOUBLE_IS_IEEE_BIG) else if test "$pike_cv_double_type" = ieee_little; then AC_MSG_RESULT(IEEE little endian) AC_DEFINE(DOUBLE_IS_IEEE_LITTLE) else AC_MSG_RESULT(not IEEE) fi fi ############################################################################# AC_MSG_CHECKING(for volatile) AC_CACHE_VAL(pike_cv_volatile, [ AC_TRY_COMPILE([],[ volatile int foo=1;], pike_cv_volatile=yes,pike_cv_volatile=no) ]) if test "$pike_cv_volatile" = yes; then AC_MSG_RESULT(yes) AC_DEFINE(VOLATILE,volatile) else AC_MSG_RESULT(no) AC_DEFINE(VOLATILE,) fi ######################################################################## AC_MSG_CHECKING(for sig_atomic_t) AC_CACHE_VAL(ac_cv_type_sig_atomic_t, [ AC_EGREP_CPP(sig_atomic_t, [ #ifdef HAVE_SIGNAL_H #include <signal.h> #endif #ifdef HAVE_CRT_SIGNAL_H #include <crt/signal.h> #endif #include <sys/types.h> #if STDC_HEADERS #include <stdlib.h> #include <stddef.h> #endif], ac_cv_type_sig_atomic_t=yes, ac_cv_type_sig_atomic_t=no)]) AC_MSG_RESULT($ac_cv_type_sig_atomic_t) if test x"$ac_cv_type_sig_atomic_t" = xno; then AC_DEFINE(sig_atomic_t, int) else : fi AC_MSG_CHECKING(if signal handlers reset automatically) AC_CACHE_VAL(pike_cv_sys_signal_oneshot, [ AC_TRY_RUN([ #ifdef HAVE_SIGNAL_H #include <signal.h> #endif #include <sys/types.h> #if STDC_HEADERS #include <stdlib.h> #include <stddef.h> #endif VOLATILE sig_atomic_t sigrun=0; RETSIGTYPE func(int sig) { write(2, "func called\n", sizeof("func called\n") - sizeof("")); sigrun=1; } int main() { #define sig SIGSEGV #ifdef HAVE_SIGACTION { struct sigaction action; action.sa_handler= func; sigfillset(&action.sa_mask); #ifdef SA_INTERRUPT action.sa_flags=SA_INTERRUPT; #endif sigaction(sig,&action,0); } #else #ifdef HAVE_SIGVEC { struct sigvec action; action.sv_handler= func; action.sv_mask=-1; #ifdef SV_INTERRUPT action.sv_flags=SV_INTERRUPT; #endif sigvec(sig,&action,0); } #else signal(sig, func); #endif #endif kill(getpid(), sig); #ifdef HAVE_POLL while(!sigrun) poll(0,0,100); #else while(!sigrun) sleep(1); #endif sigrun=0; kill(getpid(), sig); #ifdef HAVE_POLL while(!sigrun) poll(0,0,100); #else while(!sigrun) sleep(1); #endif sigrun=0; exit(0); } ],pike_cv_sys_signal_oneshot=no,pike_cv_sys_signal_oneshot=yes,pike_cv_sys_signal_oneshot=yes)]) if test "$pike_cv_sys_signal_oneshot" = yes; then AC_MSG_RESULT(yes) AC_DEFINE(SIGNAL_ONESHOT) else AC_MSG_RESULT(no) fi ######################################################################## AC_MSG_CHECKING(available file descriptors) AC_CACHE_VAL(pike_cv_max_open_fd, [ AC_TRY_RUN([ #include <stdio.h> #ifdef HAVE_SYS_TIME_H #include <sys/time.h> #endif #ifdef HAVE_SYS_RESOURCE_H #include <sys/resource.h> #endif #ifndef MAX_FD #define MAX_FD 65536 #endif int main() { FILE *f; long limit; #if !defined(RLIMIT_NOFILE) && defined(RLIMIT_OFILE) #define RLIMIT_NOFILE RLIMIT_OFILE #endif #if defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE) struct rlimit lim; if(getrlimit(RLIMIT_NOFILE,&lim)) { limit = MAX_FD; }else{ if(lim.rlim_max == RLIM_INFINITY) { limit = 1024 * 1024 * 2; /* Noone needs more :-) */ }else{ limit=lim.rlim_max; if(limit > 1024 * 1024 * 2) limit= 1024 * 1024 * 2; } } #else limit = MAX_FD; #endif f=fopen("conftest.out.2","w"); fprintf(f,"%ld\n",(long)limit); fclose(f); return 0; } ], pike_cv_max_open_fd=`cat conftest.out.2` , pike_cv_max_open_fd=256 , pike_cv_max_open_fd=256 )]) AC_MSG_RESULT($pike_cv_max_open_fd) AC_DEFINE_UNQUOTED(MAX_OPEN_FILEDESCRIPTORS,$pike_cv_max_open_fd) AC_MSG_CHECKING(full availability of struct rusage members) AC_CACHE_VAL(pike_cv_func_getrusage_full, [ AC_TRY_LINK([ #include <sys/time.h> #ifdef HAVE_SYS_RUSAGE_H #include <sys/rusage.h> #endif #include <sys/resource.h> #ifndef RUSAGE_SELF #define RUSAGE_SELF 0 #endif ],[ struct rusage rus; long *v = (long *)main; getrusage(RUSAGE_SELF, &rus); *v++ = rus.ru_maxrss; *v++ = rus.ru_ixrss; *v++ = rus.ru_idrss; *v++ = rus.ru_isrss; *v++ = rus.ru_minflt; *v++ = rus.ru_majflt; *v++ = rus.ru_nswap; *v++ = rus.ru_inblock; *v++ = rus.ru_oublock; *v++ = rus.ru_msgsnd; *v++ = rus.ru_msgrcv; *v++ = rus.ru_nsignals; *v++ = rus.ru_nvcsw; *v++ = rus.ru_nivcsw; ], pike_cv_func_getrusage_full=yes , pike_cv_func_getrusage_full=no )]) if test "$pike_cv_func_getrusage_full" = yes; then AC_MSG_RESULT(all there) else AC_MSG_RESULT(getrusage is restricted) AC_DEFINE(GETRUSAGE_RESTRICTED) fi ######################################################################## # # IRIX also has procfs support, but it it different, a separate test # should be made. /Hubbe # if test "$ac_cv_header_sys_procfs_h" = "yes"; then AC_MSG_CHECKING(getrusage() through procfs) AC_CACHE_VAL(pike_cv_getrusage_procfs, [ AC_TRY_COMPILE([ #ifndef _LARGEFILE_SOURCE # define _FILE_OFFSET_BITS 64 # define _LARGEFILE_SOURCE # define _LARGEFILE64_SOURCE 1 #endif #include <sys/procfs.h> #include <sys/fcntl.h> int proc_fd; long tmp; char proc_name[20]; prusage_t pru; ],[ sprintf(proc_name, "/proc/%05d", getpid()); proc_fd = open(proc_name, O_RDONLY); ioctl(proc_fd, PIOCUSAGE, &pru); tmp=pru.pr_utime.tv_sec; ], pike_cv_getrusage_procfs=yes , pike_cv_getrusage_procfs=no ) ]) if test "$pike_cv_getrusage_procfs" = yes; then AC_MSG_RESULT(yes) AC_DEFINE(GETRUSAGE_THROUGH_PROCFS) else AC_MSG_RESULT(no) fi fi ############################################################################# if test "$ac_cv_getrusage_procfs" = "yes"; then AC_MSG_CHECKING(prstatus_t contains pr_brksize and pr_stksize) AC_CACHE_VAL(pike_cv_getrusage_procfs_prs, [ AC_TRY_COMPILE([ #ifndef _LARGEFILE_SOURCE # define _FILE_OFFSET_BITS 64 # define _LARGEFILE_SOURCE # define _LARGEFILE64_SOURCE 1 #endif #include <sys/procfs.h> #include <sys/fcntl.h> int proc_fd; long tmp; char proc_name[20]; prstatus_t prs; ],[ sprintf(proc_name, "/proc/%05d", getpid()); proc_fd = open(proc_name, O_RDONLY); ioctl(proc_fd, PIOCSTATUS, &prs); tmp=prs.pr_brksize + prs.pr_stksize; ], pike_cv_getrusage_procfs_prs=yes , pike_cv_getrusage_procfs_prs=no ) ]) if test "$pike_cv_getrusage_procfs_prs" = yes; then AC_MSG_RESULT(yes) AC_DEFINE(GETRUSAGE_THROUGH_PROCFS_PRS) else AC_MSG_RESULT(no) fi fi ############################################################################# AC_MSG_CHECKING(for isgraph) AC_CACHE_VAL(pike_cv_func_isgraph, [ AC_TRY_LINK([ #include <ctype.h> ], [ return(!isgraph('A')); ], pike_cv_func_isgraph=yes, pike_cv_func_isgraph=no) ]) AC_MSG_RESULT($pike_cv_func_isgraph) if test "x$pike_cv_func_isgraph" = "xyes" ; then AC_DEFINE(HAVE_ISGRAPH) else :; fi ############################################################################# # # __func__ is new in ISO C 9x # # It should expand to the name of the current function, and is # useful for debug. AC_MSG_CHECKING(if __func__ exists and works) AC_CACHE_VAL(pike_cv_have_working___func__, [ AC_TRY_RUN([ #ifdef HAVE_STRING_H #include <string.h> #else /* !HAVE_STRING_H */ #ifdef HAVE_STRINGS_H #include <strings.h> #endif /* HAVE_STRIGNS_H */ #endif /* HAVE_STRING_H */ int main() { exit(strcmp("main", __func__)); } ], pike_cv_have_working___func__=yes, pike_cv_have_working___func__=no, pike_cv_have_working___func__=no) ]) AC_MSG_RESULT($pike_cv_have_working___func__) if test "$pike_cv_have_working___func__" = yes; then AC_DEFINE(HAVE_WORKING___FUNC__) else :; fi # gcc has __FUNCTION__ instead. AC_MSG_CHECKING(if __FUNCTION__ exists and works) AC_CACHE_VAL(pike_cv_have_working___FUNCTION__, [ AC_TRY_RUN([ #ifdef HAVE_STRING_H #include <string.h> #else /* !HAVE_STRING_H */ #ifdef HAVE_STRINGS_H #include <strings.h> #endif /* HAVE_STRIGNS_H */ #endif /* HAVE_STRING_H */ int main() { exit(strcmp("main", __FUNCTION__)); } ], pike_cv_have_working___FUNCTION__=yes, pike_cv_have_working___FUNCTION__=no, pike_cv_have_working___FUNCTION__=no) ]) AC_MSG_RESULT($pike_cv_have_working___FUNCTION__) if test "$pike_cv_have_working___FUNCTION__" = yes; then AC_DEFINE(HAVE_WORKING___FUNCTION__) else :; fi ############################################################################# AC_MSG_CHECKING(for gcc function attributes) AC_CACHE_VAL(pike_cv_gcc_attributes, [ AC_TRY_RUN([ #include <stdarg.h> void fatal(char *foo,...) __attribute__ ((noreturn,format (printf,1,2))); int sqr(int x) __attribute__ ((const)); int sqr(int x) { return x*x; } void fatal(char *foo,...) { va_list args; va_start(foo,args); printf(foo,args); va_end(args); exit(2); } int main() { exit(0); } ], pike_cv_gcc_attributes=yes, pike_cv_gcc_attributes=no, pike_cv_gcc_attributes=no)]) AC_MSG_RESULT($pike_cv_gcc_attributes) if test "$pike_cv_gcc_attributes" = yes; then AC_DEFINE(HAVE_FUNCTION_ATTRIBUTES) fi AC_MSG_CHECKING(for lc __declspec) AC_CACHE_VAL(pike_cv_lc___declspec, [ AC_TRY_RUN([ #include <stdarg.h> __declspec(noreturn) void fatal(char *foo,...); __declspec(noreturn) void fatal(char *foo,...) { va_list args; va_start(foo,args); printf(foo,args); va_end(args); exit(2); } int main() { exit(0); } ], pike_cv_lc___declspec=yes, pike_cv_lc___declspec=no, [ echo $ac_n "crosscompiling... $ac_c" 1>&6 AC_TRY_LINK([ #include <stdarg.h> __declspec(noreturn) void fatal(char *foo,...); __declspec(noreturn) void fatal(char *foo,...) { va_list args; va_start(foo,args); printf(foo,args); va_end(args); exit(2); } ], [ exit(0); ], pike_cv_lc___declspec=yes, pike_cv_lc___declspec=no) ]) ]) AC_MSG_RESULT($pike_cv_lc___declspec) if test "$pike_cv_lc___declspec" = yes; then AC_DEFINE(HAVE_DECLSPEC) fi ############################################################################# AC_MSG_CHECKING(how to concatenate two symbols) AC_CACHE_VAL(pike_cv_cpp_symbol_concat, [ AC_TRY_COMPILE([ int AABB=0; #define CONCAT(X,Y) X##Y ], [ return CONCAT(AA,BB); ], pike_cv_cpp_symbol_concat=ANSI, [ AC_TRY_COMPILE([ int AABB=0; #define CONCAT(X,Y) X/**/Y ], [ return CONCAT(AA,BB); ], pike_cv_cpp_symbol_concat=KR, [ pike_cv_cpp_symbol_concat=Unknown ]) ]) ]) AC_MSG_RESULT($pike_cv_cpp_symbol_concat) case "$pike_cv_cpp_symbol_concat" in "ANSI") AC_DEFINE(HAVE_ANSI_CONCAT) ;; "KR") AC_DEFINE(HAVE_KR_CONCAT) ;; esac ############################################################################# AC_MSG_CHECKING(how to set things nonblocking) AC_CACHE_VAL(pike_cv_sys_nonblock, [ # Kludge needed for AmigaOS if test "$pike_cv_sys_os" = "AmigaOS" ; then pike_cv_sys_nonblock=USE_FCNTL_O_NONBLOCK else OCPPFLAGS="$CPPFLAGS" pike_cv_sys_nonblock=UNKNOWN for method in USE_FCNTL_FNDELAY USE_FCNTL_O_NDELAY USE_FCNTL_O_NONBLOCK \ USE_IOCTL_FIONBIO USE_IOCTLSOCKET_FIONBIO; do # Make sure we can run configure in a separate directory, # and set the method to try. CPPFLAGS="-I$srcdir $OCPPFLAGS -D$method" AC_TRY_RUN([ #define TESTING #include "fd_control.c" ], [ pike_cv_sys_nonblock=$method break; ], [], [ AC_TRY_LINK([ #define TESTING #include "fd_control.c" #define main dummy_main ], [], [ pike_cv_sys_nonblock=$method break; ]) ]) done # Restore CPPFLAGS CPPFLAGS="$OCPPFLAGS" fi ]) if test "${pike_cv_sys_nonblock}" = "UNKNOWN"; then AC_MSG_RESULT(none found) else AC_MSG_RESULT($pike_cv_sys_nonblock) AC_DEFINE_UNQUOTED($pike_cv_sys_nonblock) fi rm -f core ########################################################################## AC_MSG_CHECKING(how well OOB handling works) AC_CACHE_VAL(pike_cv_system_oob_working,[ OCPPFLAGS="$CPPFLAGS" CPPFLAGS="-I. -I../.. -I$srcdir -I$srcdir/../.." AC_TRY_RUN([ #include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <errno.h> #include <fcntl.h> #include <signal.h> #include <sys/stat.h> #ifdef HAVE_NETINET_IN_H #include <netinet/in.h> #endif #ifdef HAVE_SYS_POLL_H #include <sys/poll.h> #endif #include <fcntl.h> #ifdef HAVE_SYS_FILE_H #include <sys/file.h> #endif #define SP_DEBUG(X) fprintf X #ifndef POLLRDNORM #define POLLRDNORM POLLIN #endif #ifndef POLLRDBAND #define POLLRDBAND POLLPRI #endif #ifndef POLLWRBAND #define POLLWRBAND POLLOUT #endif int set_nonblocking(int fd,int which) { int ret; do { #if defined(USE_IOCTL_FIONBIO) || defined(__NT__) ret=ioctl(fd, FIONBIO, &which); #else #ifdef USE_FCNTL_O_NDELAY ret=fcntl(fd, F_SETFL, which?O_NDELAY:0); #else #ifdef USE_FCNTL_O_NONBLOCK ret=fcntl(fd, F_SETFL, which?O_NONBLOCK:0); #else #ifdef USE_FCNTL_FNDELAY ret=fcntl(fd, F_SETFL, which?FNDELAY:0); #else #error Do not know how to set your filedescriptors nonblocking. #endif #endif #endif #endif } while(ret <0 && errno==EINTR); return ret; } static int socketpair_fd = -1; int my_socketpair(int family, int type, int protocol, int sv[2]) { static struct sockaddr_in my_addr; struct sockaddr_in addr,addr2; int retries=0; ACCEPT_SIZE_T len; memset((char *)&addr,0,sizeof(struct sockaddr_in)); if(socketpair_fd==-1) { if((socketpair_fd=socket(AF_INET, SOCK_STREAM, 0)) < 0) { SP_DEBUG((stderr, "my_socketpair:socket() failed, errno:%d\n", errno)); return -1; } memset((char *)&my_addr,0,sizeof(struct sockaddr_in)); my_addr.sin_family=AF_INET; my_addr.sin_addr.s_addr=htonl(INADDR_ANY); my_addr.sin_port=htons(0); if(bind(socketpair_fd, (struct sockaddr *)&my_addr, sizeof(addr)) < 0) { SP_DEBUG((stderr, "my_socketpair:bind() failed, errno:%d\n", errno)); close(socketpair_fd); socketpair_fd=-1; return -1; } len = sizeof(my_addr); if(getsockname(socketpair_fd,(struct sockaddr *)&my_addr,&len) < 0) { SP_DEBUG((stderr, "my_socketpair:getsockname() failed, errno:%d\n", errno)); close(socketpair_fd); socketpair_fd=-1; return -1; } if(listen(socketpair_fd, 5) < 0) { SP_DEBUG((stderr, "my_socketpair:listen() failed, errno:%d\n", errno)); close(socketpair_fd); socketpair_fd=-1; return -1; } set_nonblocking(socketpair_fd, 1); my_addr.sin_addr.s_addr=inet_addr("127.0.0.1"); } if((sv[1]=socket(AF_INET, SOCK_STREAM, 0)) <0) { SP_DEBUG((stderr, "my_socketpair:socket() failed, errno:%d (2)\n", errno)); return -1; } retry_connect: retries++; if(connect(sv[1], (struct sockaddr *)&my_addr, sizeof(addr)) < 0) { SP_DEBUG((stderr, "my_socketpair:connect() failed, errno:%d (%d)\n", errno, EWOULDBLOCK)); if(errno != EWOULDBLOCK) { int tmp2; for(tmp2=0;tmp2<20;tmp2++) { int tmp; ACCEPT_SIZE_T len2; len2=sizeof(addr); tmp=accept(socketpair_fd,(struct sockaddr *)&addr,&len2); if(tmp!=-1) { SP_DEBUG((stderr, "my_socketpair:accept() failed, errno:%d\n", errno)); close(tmp); } else break; } if(retries > 20) return -1; goto retry_connect; } } do { ACCEPT_SIZE_T len3; len3=sizeof(addr); retry_accept: sv[0]=accept(socketpair_fd,(struct sockaddr *)&addr,&len3); if(sv[0] < 0) { SP_DEBUG((stderr, "my_socketpair:accept() failed, errno:%d (2)\n", errno)); if(errno==EINTR) goto retry_accept; close(sv[1]); return -1; } set_nonblocking(sv[0],0); len=sizeof(addr); if(getpeername(sv[0], (struct sockaddr *)&addr,&len)) { SP_DEBUG((stderr, "my_socketpair:getpeername() failed, errno:%d\n", errno)); return -1; } len=sizeof(addr); if(getsockname(sv[1],(struct sockaddr *)&addr2,&len) < 0) { SP_DEBUG((stderr, "my_socketpair:getsockname() failed, errno:%d\n", errno)); return -1; } }while(len < (int)sizeof(addr) || addr2.sin_addr.s_addr != addr.sin_addr.s_addr || addr2.sin_port != addr.sin_port); SP_DEBUG((stderr, "my_socketpair: succeeded\n", errno)); return 0; } int socketpair_ultra(int family, int type, int protocol, int sv[2]) { int retries=0; while(1) { int ret=my_socketpair(family, type, protocol, sv); if(ret>=0) return ret; switch(errno) { case EAGAIN: break; case EADDRINUSE: if(retries++ > 10) return ret; break; default: return ret; } } } FILE *output; struct pollfd pollset[2]; int fds[2]; static int sent=0; int xcalls=0; int ping(int fd) { int r; sent++; if(sent > 10000) { fprintf(output,xcalls ? "SEMIWORKING" : "WORKING"); exit(0); } do { r=send(fds[fd],"x",1,MSG_OOB); }while(r < 0 && errno==EINTR); if(r!=1) { fprintf(output,"XBYTES\n"); exit(0); } pollset[fd].events &=~ POLLWRBAND; pollset[!fd].events |= POLLRDBAND; } int pong(int fd) { char foo[2]; int r; do { r=recv(fds[fd], &foo, 2, MSG_OOB); }while(r < 0 && errno==EINTR); if(r!=1) { fprintf(output,"XBYTES\n"); exit(0); } pollset[fd].events &=~ POLLRDBAND; pollset[fd].events |= POLLWRBAND; } void pang(int fd) { char foo[2]; int r; xcalls++; do { r=recv(fds[fd], &foo, 2, 0); }while(r < 0 && errno==EINTR); if(r<0 && errno==EAGAIN) return; fprintf(output,"INLINED\n"); exit(0); } int main(int argc, char **argv) { int e; output=fopen("conftest.out.2","w"); socketpair_ultra(AF_UNIX, SOCK_STREAM, 0, fds); #define INIT(X) do {\ set_nonblocking(fds[X],1); \ pollset[X].fd=fds[X]; \ pollset[X].events=POLLIN; \ }while(0); INIT(0); INIT(1); ping(0); while(1) { if(!poll(pollset, 2, 10000)) { fprintf(output,sent>1 ? "WORKS_A_LITTLE\n" : "TIMEOUT\n"); exit(0); } for(e=0;e<2;e++) { if(pollset[e].revents & POLLRDBAND) pong(e); if(pollset[e].revents & POLLWRBAND) ping(e); if(pollset[e].revents & POLLIN) pang(e); } } } ], pike_cv_system_oob_working="`cat conftest.out.2`", pike_cv_system_oob_working=UNKNOWN, pike_cv_system_oob_working=UNKNOWN) CPPFLAGS="$OCPPFLAGS" rm conftest.out.2 >/dev/null 2>/dev/null || : ]) AC_MSG_RESULT($pike_cv_system_oob_working) case "x$pike_cv_system_oob_working" in xWORKING) AC_DEFINE_UNQUOTED(PIKE_OOB_WORKS,3) ;; xSEMIWORKING) AC_DEFINE_UNQUOTED(PIKE_OOB_WORKS,2) ;; xINLINED) AC_DEFINE_UNQUOTED(PIKE_OOB_WORKS,1) ;; xWORKS_A_LITTLE) AC_DEFINE_UNQUOTED(PIKE_OOB_WORKS,1) ;; xXBYTES) AC_DEFINE_UNQUOTED(PIKE_OOB_WORKS,0) ;; xTIMEOUT) AC_DEFINE_UNQUOTED(PIKE_OOB_WORKS,0) ;; *) AC_DEFINE_UNQUOTED(PIKE_OOB_WORKS,-1) ;; #unknown esac ####################################################################### AC_MSG_CHECKING(how to printf INT_TYPE) AC_CACHE_VAL(pike_cv_printf_int_type, [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; if (sizeof(INT_TYPE)>4) { sprintf(buf,"%lld,%d",((INT_TYPE)4711)<<32,17); return !!strcmp("20233590931456,17",buf); } else { sprintf(buf,"%lld,%d",(INT_TYPE)4711,17); return !!strcmp("4711,17",buf); } }], [pike_cv_printf_int_type="ll"], [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; if (sizeof(INT_TYPE)>4) { sprintf(buf,"%d,%d",((INT_TYPE)4711)<<32,17); return !!strcmp("20233590931456,17",buf); } else { sprintf(buf,"%d,%d",(INT_TYPE)4711,17); return !!strcmp("4711,17",buf); } }], [pike_cv_printf_int_type=""], [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; if (sizeof(INT_TYPE)>4) { sprintf(buf,"%Ld,%d",((INT_TYPE)4711)<<32,17); return !!strcmp("20233590931456,17",buf); } else { sprintf(buf,"%Ld,%d",(INT_TYPE)4711,17); return !!strcmp("4711,17",buf); } }], [pike_cv_printf_int_type="L"], [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; if (sizeof(INT_TYPE)>4) { sprintf(buf,"%ld,%d",((INT_TYPE)4711)<<32,17); return !!strcmp("20233590931456,17",buf); } else { sprintf(buf,"%ld,%d",(INT_TYPE)4711,17); return !!strcmp("4711,17",buf); } }], [pike_cv_printf_int_type="l"], [AC_MSG_CHECKING([(none found?)]) pike_cv_printf_int_type=""], [?])], [?])], [?])], [?]) ]) AC_MSG_RESULT([%${pike_cv_printf_int_type}d, %${pike_cv_printf_int_type}x]) AC_DEFINE_UNQUOTED(PRINTPIKEINT,"$pike_cv_printf_int_type") AC_MSG_CHECKING(how to printf FLOAT_TYPE) AC_CACHE_VAL(pike_cv_printf_float_type, [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; sprintf(buf,"%4.1f,%d",(FLOAT_TYPE)17.0,17); return !!strcmp("17.0,17",buf); }], [pike_cv_printf_float_type=""], [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; sprintf(buf,"%L4.1f,%d",(FLOAT_TYPE)17.0,17); return !!strcmp("17.0,17",buf); }], [pike_cv_printf_float_type="L"], [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; sprintf(buf,"%ll4.1f,%d",(FLOAT_TYPE)17.0,17); return !!strcmp("17.0,17",buf); }], [pike_cv_printf_float_type="ll"], [AC_TRY_RUN([#include <stdio.h> #include "global.h" int main() { char buf[32]; sprintf(buf,"%l4.1f,%d",(FLOAT_TYPE)17.0,17); return !!strcmp("17.0,17",buf); }], [pike_cv_printf_float_type="l"], [AC_MSG_CHECKING([(none found?)]) pike_cv_printf_float_type=""], [?])], [?])], [?])], [?]) ]) AC_MSG_RESULT([%${pike_cv_printf_float_type}g, %${pike_cv_printf_float_type}f]) AC_DEFINE_UNQUOTED(PRINTPIKEFLOAT,"$pike_cv_printf_float_type") ####################################################################### # Set info about shared libraries. AC_SUBST(SO) AC_SUBST(LDSHARED) AC_SUBST(CCSHARED) AC_SUBST(LINKFORSHARED) # SO is the extension of shared libraries # -- usually so, sl on HP-UX AC_MSG_CHECKING(SO) if test -z "$SO" then case "$pike_cv_sys_os" in hp*|HP*) SO=sl;; *) SO=so;; esac fi AC_MSG_RESULT($SO) # LDSHARED is the ld *command* used to create shared library # -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5 AC_MSG_CHECKING(LDSHARED) if test -z "$LDSHARED" ; then case "$pike_cv_sys_os" in AIX*) if test "$GCC" = yes ; then if test "`uname -r`" -ge 2 -a "`uname -v`" -eq 4 ; then LDSHARED="ld -G -bexpall" else if test "`uname -v`" -gt 4 ; then # AIX 5L+ LDSHARED="ld -G" else # AIX 4.1 and earlier don't have/have unreliable # handling of dlopen et al. # # Even AIX 4.2.1 has buggy dlopen -- NEVER attempt # to dlopen a file that hasn't been linked with -G. pike_cv_sys_dynamic_loading=no LDSHARED="ld" fi fi else if test "`uname -r`" -ge 3 -a "`uname -v`" -eq 4 ; then LDSHARED="ld -G -bexpall" else if test "`uname -v`" -gt 4 ; then # AIX 5L+ LDSHARED="ld -G" else # AIX 4.1 and earlier don't have/have unreliable # handling of dlopen et al. # # Even AIX 4.2.1 has buggy dlopen -- NEVER attempt # to dlopen a file that hasn't been linked with -G. pike_cv_sys_dynamic_loading=no LDSHARED="ld" fi fi fi ;; IRIX*) if test "$GCC" = yes ; then # egcs defaults to building -n32 objects LDSHARED="ld -shared -n32" else LDSHARED="ld -shared" fi # -woff isn't understood by ld on Irix 5. if test "`uname -r`" -ge 6 ; then LDSHARED="$LDSHARED -woff 84,85,134" else :; fi ;; SunOS*) LDSHARED="ld";; Solaris) LDSHARED="/usr/ccs/bin/ld -G";; hp*|HP*) LDSHARED="ld -b";; OSF*) LDSHARED="ld -expect_unresolved '*' -shared -msym -O3";; DYNIX/ptx*) LDSHARED="ld -G";; next*) LDSHARED="$CC $CFLAGS -nostdlib -r";; Linux*) LDSHARED="$CC -shared";; GNU*) LDSHARED="ld -Bshareable";; FreeBSD*) LDSHARED="$CC -Wl,-Bshareable";; NetBSD*) LDSHARED="ld -Bshareable";; OpenBSD*) LDSHARED="ld -Bshareable";; BSD/OS*) case "`uname -r`" in 4.*) LDSHARED="$CC -shared";; *) LDSHARED="shlicc -r";; esac ;; SCO_SV*) LDSHARED="$CC -G -KPIC -Wl,-Bexport";; UNIX_SV*) LDSHARED="ld -G";; UnixWare*) if test "$GCC" = yes ; then LDSHARED="$CC -G -fPIC" else LDSHARED="$CC -G -KPIC -Wl,-Bexport" fi ;; Windows_NT*) LDSHARED="pntld" ;; *) LDSHARED="ld";; esac fi AC_MSG_RESULT($LDSHARED) # CCSHARED are the C *flags* used to create objects to go into a shared # library -- this is only needed for a few systems AC_MSG_CHECKING(CCSHARED) AC_CACHE_VAL(pike_cv_sys_ccshared,[ if test -z "$CCSHARED" ; then if test "$GCC" = yes ; then case "$pike_cv_sys_os" in BSD/OS*) case "`uname -r`" in 4.*) CCSHARED="-fPIC";; *) CCSHARED="";; esac ;; Solaris*) # The Image module runs out of symbol reference space unless we # use the large PIC model: # ld: fatal: too many symbols require `small' PIC references: # have 2205, maximum 2048 -- recompile some modules -K PIC. CCSHARED="-fPIC" ;; *) CCSHARED="-fPIC" ;; esac else case "$pike_cv_sys_os" in IRIX*) AC_SYS_COMPILER_FLAG(-share,cc_shared,CCSHARED) ;; hp*|HP*) CCSHARED="+z"; ;; FreeBSD*) CCSHARED="-fpic";; SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";; UnixWare*) CCSHARED="-KPIC -dy -Bdynamic";; Solaris*) CCSHARED="-KPIC -Bdynamic";; Windows_NT*) CCSHARED="-shared" ;; esac fi fi OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $CCSHARED" AC_TRY_COMPILE([], [exit(0);], pike_cv_sys_ccshared="$CCSHARED", pike_cv_sys_ccshared='') CFLAGS="$OLD_CFLAGS" ]) CCSHARED="$pike_cv_sys_ccshared" AC_MSG_RESULT($CCSHARED) AC_MSG_CHECKING(LINKFORSHARED) AC_CACHE_VAL(pike_cv_sys_linkforshared,[ # LINKFORSHARED are the flags passed to the $(CC) command that links # the pike executable -- this is only needed for a few systems if test -z "$LINKFORSHARED" then LINKFORSHARED="" if test "$GCC" = yes ; then case "$pike_cv_sys_os" in AIX*) if test "`uname -v`" -gt 4 ; then # This is probably wrong, but I don't have a man page for ld yet. LINKFORSHARED="" else LINKFORSHARED="-Wl,-bexpall -Wl,-brtl" fi ;; hp*|HP*) LINKFORSHARED="-Wl,-E";; Linux*) LINKFORSHARED="-rdynamic";; BSD/OS*) case "`uname -r`" in 4.*) LINKFORSHARED="-rdynamic";; esac ;; BSD/OS*) case "`uname -r`" in 4.*) LINKFORSHARED="-rdynamic";; esac ;; GNU*) LINKFORSHARED="-rdynamic";; next*) LINKFORSHARED="-u libsys_s";; SCO_SV*) LINKFORSHARED="-fpic -Wl,-Bexport";; # What about UNIX_SV? UnixWare*) LINKFORSHARED="-fpic -Wl,-Bexport";; FreeBSD*) AC_TRY_RUN([int main(){exit( #ifdef __ELF__ 0 #else 1 #endif );} ],LINKFORSHARED=-rdynamic) ;; esac else case "$pike_cv_sys_os" in AIX*) if test "`uname -v`" -gt 4 ; then LINKFORSHARED="-Bexport" else LINKFORSHARED="-Wl,-bexpall -Wl,-brtl" fi ;; hp*|HP*) LINKFORSHARED="-Wl,-E";; Linux*) LINKFORSHARED="-rdynamic";; GNU*) LINKFORSHARED="-rdynamic";; next*) LINKFORSHARED="-u libsys_s";; SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";; # What about UNIX_SV? UnixWare*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";; esac fi fi OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $LINKFORSHARED" AC_TRY_RUN([int main() { exit(0); }], pike_cv_sys_linkforshared="$LINKFORSHARED", pike_cv_sys_linkforshared='', pike_cv_sys_linkforshared='') CFLAGS="$OLD_CFLAGS" ]) LINKFORSHARED="$pike_cv_sys_linkforshared" AC_MSG_RESULT($LINKFORSHARED) ############################################################################# cat >conftest.c <<EOF #include <stdio.h> #include <stdlib.h> void testfunc(void) { fprintf(stderr,"Calling testfunc2\n"); testfunc2(); fprintf(stderr,"testfunc2 returned!\n"); exit(1); } EOF AC_MSG_CHECKING(if dynamic loading works) AC_CACHE_VAL(pike_cv_sys_dynamic_loading, [ echo $CC -c $CFLAGS $CCSHARED conftest.c -o conftest.o 1>&5 $CC -c $CFLAGS $CCSHARED conftest.c -o conftest.o 1>&5 2>&5 echo $BINDIR/smartlink $LDSHARED $LDFLAGS conftest.o -o conftest.$SO 1>&5 $BINDIR/smartlink $LDSHARED $LDFLAGS conftest.o -o conftest.$SO 1>&5 2>&5 if test -f conftest.$SO ; then mv conftest.$SO myconftest.so OLD_CFLAGS="$CFLAGS" OLD_CPPFLAGS="$CPPFLAGS" CPPFLAGS="-I$srcdir $OLD_CPPFLAGS" CFLAGS="$CFLAGS $LINKFORSHARED" OLD_CC="$CC" case "$LD" in *shlicc) CC="$BINDIR/smartlink shlicc" ;; esac AC_TRY_RUN([ #define TESTING #include "dynamic_load.c" void testfunc2(void) { exit(0); } ], pike_cv_sys_dynamic_loading=yes, pike_cv_sys_dynamic_loading=no, pike_cv_sys_dynamic_loading=no) CFLAGS="$OLD_CFLAGS" CPPFLAGS="${OLD_CPPFLAGS}" CC="$OLD_CC" else pike_cv_sys_dynamic_loading=no fi rm -f myconftest.so >/dev/null 2>/dev/null ]) AC_MSG_RESULT($pike_cv_sys_dynamic_loading) if test "x$with_dynamic_modules" != "xno" ; then if test x$pike_cv_sys_dynamic_loading = xno ; then with_dynamic_modules=no else with_dynamic_modules=yes if test x$pike_cv_func_dlopen$ac_cv_func_dld_link$ac_cv_func_shl_load = xnonono; then # Dynamic loading is now WORKING (maybe) # if test x"$pike_cv_sys_os" != xWindows_NT ; then with_dynamic_modules=no # fi fi fi fi ####################################################################### # Since configure doesn't always know if we will be linking with ld or cc, # We use this little code snippet to add flags to ld that would otherwise # be given automatically by $(CC) $(CFLAGS) # /Hubbe # if test "$ldflags_is_set" = no ; then case "x$LD $LDFLAGS" in *\$$CFLAGS$*) # Options in CFLAGS, no stuff needs to be added ;; x$CC*|x\$$CC$*) LD="$LD \$(CFLAGS)" ;; *) LD="$LD ${LD_FALLBACK_FLAGS-}" ;; esac case "x$LDSHARED $LDFLAGS" in *\$$CFLAGS$*) # Options in CFLAGS, no stuff needs to be added ;; x$CC*|x\$$CC$*) LDSHARED="$LDSHARED \$(CFLAGS)" ;; *) LDSHARED="$LDSHARED ${LD_FALLBACK_FLAGS-}" ;; esac fi ####################################################################### # Since all $OPTIMIZE flags have to be automatically included in $CFLAGS # (because otherwise the tests will not be accurate) we have to remove all # OPTIMIZE flags from the regular CFLAGS... NEW_CFLAGS= for opt in ${CFLAGS-} do case " $OPTIMIZE " in *\ $opt\ *) ;; *) case "$opt" in -O2|-pipe) OPTIMIZE="${OPTIMIZE-} $opt" ;; *) NEW_CFLAGS="$NEW_CFLAGS $opt" ;; esac ;; esac done CFLAGS="$NEW_CFLAGS" ########################################################################## case "x$pike_cv_sys_os" in xSolaris | xAIX) if grep _REENTRANT confdefs.h >/dev/null 2>&1; then AC_DEFINE(USE_WAIT_THREAD) else AC_DEFINE(USE_SIGCHILD) fi ;; xWindows_NT) ;; *) AC_DEFINE(USE_SIGCHILD) ;; esac ############################################################################# if test "x$with_copt" = xno ; then OPTIMIZE= dnl The unused code below can be used to implement a good/bad-list dnl to determine when to zap the -O2 for buggy gccs... dnl dnl else dnl dnl if test "x$GCC" = xyes; then dnl BAD=unknown dnl case `gcc -v 2>&1` in dnl */i?86-*/2.95.3/*19991030*) BAD=no ;; dnl esac dnl fi fi ############################################################################# if test "x$enable_binary" != "xno"; then ############################################################################# if test x$with_dynamic_modules = xyes ; then dmmsrc="modules/dynamic_module_makefile.in" CCSHARED="${CCSHARED} -DDYNAMIC_MODULE" else dmmsrc="modules/static_module_makefile.in" fi ############################################################################# echo echo "Compiler summary:" echo echo "C Compiler: $CC" echo "Linker: $LD" echo "Shared linker: $LDSHARED" echo echo "Shared object extension: $SO" echo "Dynamic modules: $with_dynamic_modules" echo echo "CPPFLAGS: $CPPFLAGS" echo "CFLAGS: $CFLAGS" echo "CCSHARED: $CCSHARED" echo "LINKFORSHARED: $LINKFORSHARED" echo "LIBGCC: $LIBGCC" echo "WARN: $WARN" echo "PROFIL: $PROFIL" echo "OPTIMIZE: $OPTIMIZE" echo "LDFLAGS: $LDFLAGS" echo "LIBS: $LIBS" echo "prefix: $prefix" echo ############################################################################# export LDFLAGS CFLAGS CPPFLAGS LIBS export prefix exec_prefix OTHERFLAGS export TMP_BINDIR DEFINES INSTALL default_master=$prefix/pike/%d.%d.%d/lib/master.pike AC_DEFINE_UNQUOTED(DEFAULT_MASTER,"$default_master") AC_SUBST(WARN) AC_SUBST(PROFIL) AC_SUBST(OPTIMIZE) AC_SUBST(EXTRA_OBJS) AC_SUBST(RANLIB) AC_SUBST(DEBUGDEF) AC_SUBST(EXTRA_MODULE_REQUIREMENTS) pike_cv_prog_CC="${CC}" ############################################################################# else #if test "x$enable_binary" != "xno" dmmsrc="modules/static_module_makefile.in" fi ############################################################################# AC_CONFIG_SUBDIRS(modules post_modules) AC_SUBST_FILE(dependencies) dependencies=$srcdir/dependencies AC_SUBST(YACC) AC_SUBST(INSTALL) AC_SUBST(ac_configure_args) AC_SUBST(dmmsrc) AC_OUTPUT(Makefile modules/static_module_makefile post_modules/static_module_makefile:modules/static_module_makefile.in modules/dynamic_module_makefile:$dmmsrc post_modules/dynamic_module_makefile:$dmmsrc precompile.sh,[echo foo >stamp-h ; chmod +x precompile.sh]) # NOTE: M4 uses [] as quotes. PIKE_VERSION="`sed -n -e 's/^.*PIKE_MAJOR_VERSION[[ \t]]*$[[^ \t]]*$/\1/p' <$srcdir/version.h`.`sed -n -e 's/^.*PIKE_MINOR_VERSION[[ \t]]*$[[^ \t]]*$/\1/p' <$srcdir/version.h`.`sed -n -e 's/^.*PIKE_BUILD_VERSION[[ \t]]*$[[^ \t]]*$/\1/p' <$srcdir/version.h`" PIKE_VERSION_LONG="Pike v`sed -n -e 's/^.*PIKE_MAJOR_VERSION[[ \t]]*$[[^ \t]]*$/\1/p' <$srcdir/version.h`.`sed -n -e 's/^.*PIKE_MINOR_VERSION[[ \t]]*$[[^ \t]]*$/\1/p' <$srcdir/version.h` release `sed -n -e 's/^.*PIKE_BUILD_VERSION[[ \t]]*$[[^ \t]]*$/\1/p' <$srcdir/version.h`" cat >conftest.c <<EOF #include "global.h" -- FLOAT_TYPE INT_TYPE EOF $CPP -I. -I$srcdir conftest.c > conftest.cpp sed <conftest.cpp >conftypes.txt '1,/^--$/d' if test "x$with_debug" = x; then with_debug=no fi if test "x$with_rtldebug" = x; then with_rtldebug=no fi if test "x$with_dmalloc" = x; then with_dmalloc=no fi with_mmx=$pike_cv_sys_has_working_mmx if test "x$with_mmx" = x; then with_mmx=no fi rm config.info 2>/dev/null cat >>config.info <<EOF ========================================================= $PIKE_VERSION_LONG configuration summary install information: prefix........ $prefix pike binary... $prefix/bin/pike pike library.. $prefix/pike/${PIKE_VERSION}/lib system information: system.... $UNAME`echo $pike_cv_libgcc_filename | sed -n -e 's+^.*gcc-lib/$[[^/]]*$/.*$+ (\1)+p'` EOF uname -a >/dev/null 2>/dev/null && echo "uname..... `uname -a`" >>config.info hostname >/dev/null 2>/dev/null && echo "hostname.. `hostname`" >>config.info whoami >/dev/null 2>/dev/null && echo "user...... `whoami`" >>config.info # too many dots makes too long lines, keep them as short as possible # inside each section cat >>config.info <<EOF build information: source path..... $srcdir build path...... $BUILDDIR cpp............. $CPP cc.............. $CC ld.............. $LD cc shared....... $CCSHARED ld shared....... $LINKFORSHARED pike............ $PIKE install......... $INSTALL shared object... .$SO libs............ $LIBS optimize........ $OPTIMIZE cross-compiled.. $cross_compiling features: PAD_FEATURE([dynamic loading])$pike_cv_sys_dynamic_loading PAD_FEATURE([threads])$using_threads PAD_FEATURE([debug])$with_debug PAD_FEATURE([dmalloc])$with_dmalloc PAD_FEATURE([rtldebug])$with_rtldebug PAD_FEATURE([mmx])$with_mmx$mmx_reason EOF touch confdefs.h 2>/dev/null AC_TRY_RUN([ #include "global.h" #include "svalue.h" int main() { FILE *fp, *out; char float_type[80] = "?"; char int_type[80] = "?"; char *s; struct svalue sval; out=fopen("config.info", "a"); if (!out) return 1; fp=fopen("conftypes.txt", "r"); if (fp) { fgets(float_type, 79, fp); fgets(int_type, 79, fp); s=float_type; while (*s && *s!='\n' && *s!='\r') s++; *s=0; s=int_type; while (*s && *s!='\n' && *s!='\r') s++; *s=0; fprintf(out,"]PAD_FEATURE([float type])[%s (%d bytes)\n", float_type, sizeof(FLOAT_TYPE)); fprintf(out,"]PAD_FEATURE([int type])[%s (%d bytes)\n", int_type, sizeof(INT_TYPE)); fclose(fp); } fprintf(out,"]PAD_FEATURE([pointer size])[%d bytes\n",

pike.git/ src/ configure.in > c334a0a5eea6cdbfea41415f4bb243d73ff32ba2 [Annotate]