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AC_INIT(image_xface.c) 
AC_CONFIG_HEADER(config.h) 
 
AC_MODULE_INIT() 
 
dnl GMP is required and tested for in Gmp module. We just want LIBS 
dnl updated here. 
AC_CHECK_LIB(gmp, main) 
 
AC_OUTPUT(Makefile,echo FOO >stamp-h )