configure.in

来自「一个C源代码分析器」· IN 代码 · 共 24 行

GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.

changequote(,)
if [ ! "$inhibit_glue" ]; then
changequote([,])

# Find out what this system calls `sys_siglist'.
AC_COMPILE_CHECK(sys_siglist, ,
   [extern char *sys_siglist[]; puts(*sys_siglist);],
   AC_DEFINE(HAVE_SYS_SIGLIST))
AC_COMPILE_CHECK(_sys_siglist, ,
   [extern char *_sys_siglist[]; puts(*_sys_siglist);],
   AC_DEFINE(HAVE__SYS_SIGLIST))

# Find out the name of the table the system's <ctype.h> uses for character
# classification.  This is used by sysdeps/unix/common/glue-ctype.c.
for ctype in _ctype_ __ctype_ __ctype _ctype__ _ctype _locp; do
AC_COMPILE_CHECK($ctype, [#include <ctype.h>],
		 [$ctype[13];],
		 AC_DEFINE(HAVE_`echo $ctype | tr '[a-z]' '[A-Z]'`))
done

fi