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Diffstat (limited to 'gnulib-m4/stddef_h.m4')
-rw-r--r--gnulib-m4/stddef_h.m416
1 files changed, 11 insertions, 5 deletions
diff --git a/gnulib-m4/stddef_h.m4 b/gnulib-m4/stddef_h.m4
index c3ae5694..23105027 100644
--- a/gnulib-m4/stddef_h.m4
+++ b/gnulib-m4/stddef_h.m4
@@ -1,6 +1,6 @@
-dnl A placeholder for POSIX 2008 <stddef.h>, for platforms that have issues.
-# stddef_h.m4 serial 2
-dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+dnl A placeholder for <stddef.h>, for platforms that have issues.
+# stddef_h.m4 serial 5
+dnl Copyright (C) 2009-2015 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
@@ -9,6 +9,10 @@ AC_DEFUN([gl_STDDEF_H],
[
AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
AC_REQUIRE([gt_TYPE_WCHAR_T])
+ STDDEF_H=
+ AC_CHECK_TYPE([max_align_t], [], [HAVE_MAX_ALIGN_T=0; STDDEF_H=stddef.h],
+ [[#include <stddef.h>
+ ]])
if test $gt_cv_c_wchar_t = no; then
HAVE_WCHAR_T=0
STDDEF_H=stddef.h
@@ -24,8 +28,10 @@ AC_DEFUN([gl_STDDEF_H],
REPLACE_NULL=1
STDDEF_H=stddef.h
fi
+ AC_SUBST([STDDEF_H])
+ AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
if test -n "$STDDEF_H"; then
- gl_CHECK_NEXT_HEADERS([stddef.h])
+ gl_NEXT_HEADERS([stddef.h])
fi
])
@@ -40,6 +46,6 @@ AC_DEFUN([gl_STDDEF_H_DEFAULTS],
[
dnl Assume proper GNU behavior unless another module says otherwise.
REPLACE_NULL=0; AC_SUBST([REPLACE_NULL])
+ HAVE_MAX_ALIGN_T=1; AC_SUBST([HAVE_MAX_ALIGN_T])
HAVE_WCHAR_T=1; AC_SUBST([HAVE_WCHAR_T])
- STDDEF_H=''; AC_SUBST([STDDEF_H])
])