f434ba0309
2010-05-23 Pedro Alves <pedro@codesourcery.com> Update gnulib from latest git. (250b80067c1e1d8faa0c42fb572f721975b929c5) * gnulib/memcmp.c: Removed. * gnulib/memchr.valgrind: New. * gnulib/stddef.in.h: New. * gnulib/Makefile.am: Updated. * gnulib/memchr.c: Updated. * gnulib/memmem.c: Updated. * gnulib/stdint.in.h: Updated. * gnulib/str-two-way.h: Updated. * gnulib/string.in.h: Updated. * gnulib/wchar.in.h: Updated. * gnulib/extra/link-warning.h: Removed. * gnulib/extra/c++defs.h: New. * gnulib/extra/warn-on-use.h: New. * gnulib/extra/arg-nonnull.h: Updated. * gnulib/m4/extensions.m4: Updated. * gnulib/m4/gnulib-cache.m4: Updated. * gnulib/m4/gnulib-common.m4: Updated. * gnulib/m4/gnulib-comp.m4: Updated. * gnulib/m4/gnulib-tool.m4: Updated. * gnulib/m4/include_next.m4: Updated. * gnulib/m4/longlong.m4: Updated. * gnulib/m4/memchr.m4: Updated. * gnulib/m4/memmem.m4: Updated. * gnulib/m4/stdint.m4: Updated. * gnulib/m4/string_h.m4: Updated. * gnulib/m4/memcmp.m4: Removed. * gnulib/m4/onceonly_2_57.m4: Removed. * gnulib/m4/00gnulib.m4: New. * gnulib/m4/mmap-anon.m4: New. * gnulib/m4/multiarch.m4: New. * gnulib/m4/onceonly.m4: New. * gnulib/m4/stddef_h.m4: New. * gnulib/m4/warn-on-use.m4: New. * gnulib/m4/wchar.m4: Removed. * gnulib/m4/wchar_h.m4: New. * gnulib/m4/wchar_t.m4: New. * gnulib/m4/wint_t.m4: New. * aclocal.m4: Regenerate. * config.in: Likewise. * configure: Likewise. * gnulib/Makefile.in: Likewise. gdb/gdbserver/ 2010-05-23 Pedro Alves <pedro@codesourcery.com> * config.h, configure: Regenerate.
45 lines
1.4 KiB
Text
45 lines
1.4 KiB
Text
dnl A placeholder for POSIX 2008 <stddef.h>, for platforms that have issues.
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# stddef_h.m4 serial 2
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dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_STDDEF_H],
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[
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AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
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AC_REQUIRE([gt_TYPE_WCHAR_T])
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if test $gt_cv_c_wchar_t = no; then
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HAVE_WCHAR_T=0
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STDDEF_H=stddef.h
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fi
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AC_CACHE_CHECK([whether NULL can be used in arbitrary expressions],
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[gl_cv_decl_null_works],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>
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int test[2 * (sizeof NULL == sizeof (void *)) -1];
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]])],
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[gl_cv_decl_null_works=yes],
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[gl_cv_decl_null_works=no])])
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if test $gl_cv_decl_null_works = no; then
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REPLACE_NULL=1
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STDDEF_H=stddef.h
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fi
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if test -n "$STDDEF_H"; then
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gl_CHECK_NEXT_HEADERS([stddef.h])
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fi
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])
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AC_DEFUN([gl_STDDEF_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_STDDEF_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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])
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AC_DEFUN([gl_STDDEF_H_DEFAULTS],
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[
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dnl Assume proper GNU behavior unless another module says otherwise.
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REPLACE_NULL=0; AC_SUBST([REPLACE_NULL])
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HAVE_WCHAR_T=1; AC_SUBST([HAVE_WCHAR_T])
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STDDEF_H=''; AC_SUBST([STDDEF_H])
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])
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