summaryrefslogtreecommitdiff
path: root/bfd/bfd.m4
diff options
context:
space:
mode:
authorJerome Guitton <guitton@adacore.com>2005-04-26 09:43:17 +0000
committerJerome Guitton <guitton@adacore.com>2005-04-26 09:43:17 +0000
commit2de99f31e2492d51c23ed1c26e2aa2ce1c517fcf (patch)
tree2983db879b29154d0779f4e56b8c43b021b73d7a /bfd/bfd.m4
parent1a4b351713c15c506726ed82f486cbc0bdb039ff (diff)
downloadbinutils-redhat-2de99f31e2492d51c23ed1c26e2aa2ce1c517fcf.tar.gz
* bfd.m4 (BFD_NEED_DECLARATION): Restore.
Diffstat (limited to 'bfd/bfd.m4')
-rw-r--r--bfd/bfd.m430
1 files changed, 30 insertions, 0 deletions
diff --git a/bfd/bfd.m4 b/bfd/bfd.m4
index 1d7d53a1f2..cb0cb46463 100644
--- a/bfd/bfd.m4
+++ b/bfd/bfd.m4
@@ -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],