pike.git/ src/ configure.in

2014-12-02

2014-12-02 19:40:55 by Arne Goedeke <el@laramies.com>

• a74f979dbea2db66ab0bbb70ee309b4cd39af73a (9 lines) (+7/-2) ^{[ Show | Annotate ]}
  Branch: 8.0

Configure: fixed test for __attribute__ support

va_start and other macros expect the va_list as first argument.
This test only produced warnings with most compilers, which is
why this problem was never fixed.

6450:    [    AC_TRY_RUN([   #include <stdarg.h> + #include <stdio.h> + #include <stdlib.h>   void fatal(char *foo,...) __attribute__ ((noreturn,format (printf,1,2)));   int sqr(int x) __attribute__ ((const));   
6458:   void fatal(char *foo,...)   {    va_list args; -  va_start(foo,args); +  va_start(args, foo);    printf(foo,args);    va_end(args);    exit(2);
6470:    echo $ac_n "crosscompiling... $ac_c" 1>&6    AC_TRY_LINK([   #include <stdarg.h> + #include <stdio.h> + #include <stdlib.h>   void fatal(char *foo,...) __attribute__ ((noreturn,format (printf,1,2)));   int sqr(int x) __attribute__ ((const));   
6478:   void fatal(char *foo,...)   {    va_list args; -  va_start(foo,args); +  va_start(args, foo);    printf(foo,args);    va_end(args);    exit(2);