diff options
| author | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1998-02-14 19:12:00 +0000 |
|---|---|---|
| committer | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1998-02-14 19:12:00 +0000 |
| commit | df96e1901c8f6b0f125702972a33f062d4c00179 (patch) | |
| tree | dfe9429b4514f8fb7a993da328e10843f3cc0567 /gnu/usr.bin/gcc/aclocal.m4 | |
| parent | aff5322427b69c6098ef28e5b51155683046fcc4 (diff) | |
Diffstat (limited to 'gnu/usr.bin/gcc/aclocal.m4')
| -rw-r--r-- | gnu/usr.bin/gcc/aclocal.m4 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gnu/usr.bin/gcc/aclocal.m4 b/gnu/usr.bin/gcc/aclocal.m4 new file mode 100644 index 00000000000..07424f1e9a0 --- /dev/null +++ b/gnu/usr.bin/gcc/aclocal.m4 @@ -0,0 +1,33 @@ +dnl See whether we need a declaration for a function. +AC_DEFUN(GCC_NEED_DECLARATION, +[AC_MSG_CHECKING([whether $1 must be declared]) +AC_CACHE_VAL(gcc_cv_decl_needed_$1, +[AC_TRY_COMPILE([ +#include <stdio.h> +#ifdef HAVE_STRING_H +#include <string.h> +#else +#ifdef HAVE_STRINGS_H +#include <strings.h> +#endif +#endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#ifndef HAVE_RINDEX +#define rindex strrchr +#endif +#ifndef HAVE_INDEX +#define index strchr +#endif], +[char *(*pfn) = (char *(*)) $1], +gcc_cv_decl_needed_$1=no, gcc_cv_decl_needed_$1=yes)]) +AC_MSG_RESULT($gcc_cv_decl_needed_$1) +if test $gcc_cv_decl_needed_$1 = yes; then + gcc_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` + AC_DEFINE_UNQUOTED($gcc_tr_decl) +fi +])dnl |