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Source code changes of the file "m4/stddef_h.m4" between
le-1.16.5.tar.gz and le-1.16.6.tar.gz

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stddef_h.m4  (le-1.16.5):stddef_h.m4  (le-1.16.6)
dnl A placeholder for <stddef.h>, for platforms that have issues. dnl A placeholder for <stddef.h>, for platforms that have issues.
# stddef_h.m4 serial 5 # stddef_h.m4 serial 6
dnl Copyright (C) 2009-2017 Free Software Foundation, Inc. dnl Copyright (C) 2009-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it, dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved. dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_STDDEF_H], AC_DEFUN([gl_STDDEF_H],
[ [
AC_REQUIRE([gl_STDDEF_H_DEFAULTS]) AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
AC_REQUIRE([gt_TYPE_WCHAR_T]) AC_REQUIRE([gt_TYPE_WCHAR_T])
STDDEF_H= STDDEF_H=
AC_CHECK_TYPE([max_align_t], [], [HAVE_MAX_ALIGN_T=0; STDDEF_H=stddef.h],
[[#include <stddef.h> dnl Test whether the type max_align_t exists and whether its alignment
]]) dnl "is as great as is supported by the implementation in all contexts".
AC_CACHE_CHECK([for good max_align_t],
[gl_cv_type_max_align_t],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <stddef.h>
unsigned int s = sizeof (max_align_t);
#if defined __GNUC__ || defined __IBM__ALIGNOF__
int check1[2 * (__alignof__ (double) <= __alignof__ (max_align_t)) -
1];
int check2[2 * (__alignof__ (long double) <= __alignof__ (max_align_
t)) - 1];
#endif
]])],
[gl_cv_type_max_align_t=yes],
[gl_cv_type_max_align_t=no])
])
if test $gl_cv_type_max_align_t = no; then
HAVE_MAX_ALIGN_T=0
STDDEF_H=stddef.h
fi
if test $gt_cv_c_wchar_t = no; then if test $gt_cv_c_wchar_t = no; then
HAVE_WCHAR_T=0 HAVE_WCHAR_T=0
STDDEF_H=stddef.h STDDEF_H=stddef.h
fi fi
AC_CACHE_CHECK([whether NULL can be used in arbitrary expressions], AC_CACHE_CHECK([whether NULL can be used in arbitrary expressions],
[gl_cv_decl_null_works], [gl_cv_decl_null_works],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h> [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>
int test[2 * (sizeof NULL == sizeof (void *)) -1]; int test[2 * (sizeof NULL == sizeof (void *)) -1];
]])], ]])],
[gl_cv_decl_null_works=yes], [gl_cv_decl_null_works=yes],
[gl_cv_decl_null_works=no])]) [gl_cv_decl_null_works=no])])
if test $gl_cv_decl_null_works = no; then if test $gl_cv_decl_null_works = no; then
REPLACE_NULL=1 REPLACE_NULL=1
STDDEF_H=stddef.h STDDEF_H=stddef.h
fi fi
AC_SUBST([STDDEF_H]) AC_SUBST([STDDEF_H])
AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"]) AM_CONDITIONAL([GL_GENERATE_STDDEF_H], [test -n "$STDDEF_H"])
if test -n "$STDDEF_H"; then if test -n "$STDDEF_H"; then
gl_NEXT_HEADERS([stddef.h]) gl_NEXT_HEADERS([stddef.h])
fi fi
]) ])
AC_DEFUN([gl_STDDEF_MODULE_INDICATOR], AC_DEFUN([gl_STDDEF_MODULE_INDICATOR],
[ [
dnl Use AC_REQUIRE here, so that the default settings are expanded once only. dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
 End of changes. 4 change blocks. 
5 lines changed or deleted 28 lines changed or added

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