diff options
Diffstat (limited to 'gnulib-m4/stddef_h.m4')
| -rw-r--r-- | gnulib-m4/stddef_h.m4 | 16 |
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]) ]) |