diff options
Diffstat (limited to 'bfd/bfd.m4')
| -rw-r--r-- | bfd/bfd.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
@@ -1,6 +1,36 @@ dnl This file was derived from acinclude.m4. +dnl See whether we need a declaration for a function. + +AC_DEFUN([BFD_NEED_DECLARATION], +[AC_MSG_CHECKING([whether $1 must be declared]) +AC_CACHE_VAL(bfd_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], +[char *(*pfn) = (char *(*)) $1], +bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)]) +AC_MSG_RESULT($bfd_cv_decl_needed_$1) +if test $bfd_cv_decl_needed_$1 = yes; then + AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1, + [Define if $1 is not declared in system header files.]) +fi +])dnl + + dnl Check for existence of a type $1 in sys/procfs.h AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE], |