-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.
[
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 $gt_cv_c_wchar_t = no; then
HAVE_WCHAR_T=0
STDDEF_H=stddef.h
REPLACE_NULL=1
STDDEF_H=stddef.h
fi
+ AC_SUBST([STDDEF_H])
+ AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
if test -n "$STDDEF_H"; then
- gl_CHECK_NEXT_HEADERS([stddef.h])
+ gl_NEXT_HEADERS([stddef.h])
fi
])
[
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])
])