2005-01-15 Andrew Cagney <cagney@gnu.org>

[deliverable/binutils-gdb.git] / bfd / bfd.m4

diff --git a/bfd/bfd.m4 b/bfd/bfd.m4
new file mode 100644 (file)
index 0000000..cb0cb46
--- /dev/null
+++ b/bfd/bfd.m4
@@ -0,0 +1,72 @@
+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],
+[AC_MSG_CHECKING([for $1 in sys/procfs.h])
+ AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_$1,
+   [AC_TRY_COMPILE([
+#define _SYSCALL32
+#include <sys/procfs.h>],
+      [$1 avar],
+      bfd_cv_have_sys_procfs_type_$1=yes,
+      bfd_cv_have_sys_procfs_type_$1=no
+   )])
+ if test $bfd_cv_have_sys_procfs_type_$1 = yes; then
+   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
+            [Define if <sys/procfs.h> has $1.])
+ fi
+ AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_$1)
+])
+
+
+dnl Check for existence of member $2 in type $1 in sys/procfs.h
+
+AC_DEFUN([BFD_HAVE_SYS_PROCFS_TYPE_MEMBER],
+[AC_MSG_CHECKING([for $1.$2 in sys/procfs.h])
+ AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_member_$1_$2,
+   [AC_TRY_COMPILE([
+#define _SYSCALL32
+#include <sys/procfs.h>],
+      [$1 avar; void* aref = (void*) &avar.$2],
+      bfd_cv_have_sys_procfs_type_member_$1_$2=yes,
+      bfd_cv_have_sys_procfs_type_member_$1_$2=no
+   )])
+ if test $bfd_cv_have_sys_procfs_type_member_$1_$2 = yes; then
+   AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z])[_]translit($2, [a-z], [A-Z]), 1,
+            [Define if <sys/procfs.h> has $1.$2.])
+ fi
+ AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
+])
+