From e8bd88d1fcded01ccd066572eeaae1b507989cb3 Mon Sep 17 00:00:00 2001 From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> Date: Tue, 31 Jan 2023 14:46:01 +0100 Subject: Sync with the latest Gnulib code 668c0b8ffa --- gl/m4/wchar_h.m4 | 222 +++++++++++++++++++++++++++++++------------------------ 1 file changed, 127 insertions(+), 95 deletions(-) (limited to 'gl/m4/wchar_h.m4') diff --git a/gl/m4/wchar_h.m4 b/gl/m4/wchar_h.m4 index bedb15a4..8ec66193 100644 --- a/gl/m4/wchar_h.m4 +++ b/gl/m4/wchar_h.m4 @@ -1,15 +1,15 @@ dnl A placeholder for ISO C99 , for platforms that have issues. -dnl Copyright (C) 2007-2013 Free Software Foundation, Inc. +dnl Copyright (C) 2007-2023 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. dnl Written by Eric Blake. -# wchar_h.m4 serial 39 +# wchar_h.m4 serial 55 -AC_DEFUN([gl_WCHAR_H], +AC_DEFUN_ONCE([gl_WCHAR_H], [ AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) AC_REQUIRE([gl_WCHAR_H_INLINE_OK]) @@ -35,76 +35,82 @@ AC_DEFUN([gl_WCHAR_H], fi AC_SUBST([HAVE_WINT_T]) + AC_REQUIRE([gl_TYPE_WINT_T_PREREQ]) + dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[ -/* Tru64 with Desktop Toolkit C has a bug: must be included before - . - BSD/OS 4.0.1 has a bug: , and must be - included before . */ -#if !(defined __GLIBC__ && !defined __UCLIBC__) -# include -# include -# include -#endif -#include + #include ]], [btowc wctob mbsinit mbrtowc mbrlen mbsrtowcs mbsnrtowcs wcrtomb - wcsrtombs wcsnrtombs wcwidth wmemchr wmemcmp wmemcpy wmemmove wmemset + wcsrtombs wcsnrtombs wcwidth + wmemchr wmemcmp wmemcpy wmemmove wmempcpy wmemset wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat wcscmp wcsncmp wcscasecmp wcsncasecmp wcscoll wcsxfrm wcsdup wcschr wcsrchr - wcscspn wcsspn wcspbrk wcsstr wcstok wcswidth + wcscspn wcsspn wcspbrk wcsstr wcstok wcswidth wcsftime ]) + + AC_REQUIRE([AC_C_RESTRICT]) + + AC_CHECK_DECLS([wcsdup], [], [], [[ + #include + ]]) + if test $ac_cv_have_decl_wcsdup = no; then + HAVE_DECL_WCSDUP=0 + fi ]) dnl Check whether is usable at all. AC_DEFUN([gl_WCHAR_H_INLINE_OK], [ dnl Test whether suffers due to the transition from '__inline' to - dnl 'gnu_inline'. See - dnl and . In summary, + dnl 'gnu_inline'. See + dnl and . In summary, dnl glibc version 2.5 or older, together with gcc version 4.3 or newer and dnl the option -std=c99 or -std=gnu99, leads to a broken . + AC_REQUIRE([AC_CANONICAL_HOST]) AC_CACHE_CHECK([whether uses 'inline' correctly], [gl_cv_header_wchar_h_correct_inline], [gl_cv_header_wchar_h_correct_inline=yes - AC_LANG_CONFTEST([ - AC_LANG_SOURCE([[#define wcstod renamed_wcstod -/* Tru64 with Desktop Toolkit C has a bug: must be included before - . - BSD/OS 4.0.1 has a bug: , and must be - included before . */ -#include -#include -#include -#include -extern int zero (void); -int main () { return zero(); } -]])]) - if AC_TRY_EVAL([ac_compile]); then - mv conftest.$ac_objext conftest1.$ac_objext - AC_LANG_CONFTEST([ - AC_LANG_SOURCE([[#define wcstod renamed_wcstod -/* Tru64 with Desktop Toolkit C has a bug: must be included before - . - BSD/OS 4.0.1 has a bug: , and must be - included before . */ -#include -#include -#include -#include -int zero (void) { return 0; } -]])]) - if AC_TRY_EVAL([ac_compile]); then - mv conftest.$ac_objext conftest2.$ac_objext - if $CC -o conftest$ac_exeext $CFLAGS $LDFLAGS conftest1.$ac_objext conftest2.$ac_objext $LIBS >&AS_MESSAGE_LOG_FD 2>&1; then - : - else - gl_cv_header_wchar_h_correct_inline=no + case "$host_os" in + *-gnu* | gnu*) + AC_LANG_CONFTEST([ + AC_LANG_SOURCE([[ + #define wcstod renamed_wcstod + #include + extern int zero (void); + int main () { return zero(); } + ]])]) + dnl Do not rename the object file from conftest.$ac_objext to + dnl conftest1.$ac_objext, as this will cause the link to fail on + dnl z/OS when using the XPLINK object format (due to duplicate + dnl CSECT names). Instead, temporarily redefine $ac_compile so + dnl that the object file has the latter name from the start. + save_ac_compile="$ac_compile" + ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest1/` + if echo '#include "conftest.c"' >conftest1.c \ + && AC_TRY_EVAL([ac_compile]); then + AC_LANG_CONFTEST([ + AC_LANG_SOURCE([[ + #define wcstod renamed_wcstod + #include + int zero (void) { return 0; } + ]])]) + dnl See note above about renaming object files. + ac_compile=`echo "$save_ac_compile" | sed s/conftest/conftest2/` + if echo '#include "conftest.c"' >conftest2.c \ + && AC_TRY_EVAL([ac_compile]); then + if $CC -o conftest$ac_exeext $CFLAGS $LDFLAGS conftest1.$ac_objext conftest2.$ac_objext $LIBS >&AS_MESSAGE_LOG_FD 2>&1; then + : + else + gl_cv_header_wchar_h_correct_inline=no + fi + fi fi - fi - fi - rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext + ac_compile="$save_ac_compile" + rm -f conftest[12].c conftest[12].$ac_objext conftest$ac_exeext + ;; + esac ]) if test $gl_cv_header_wchar_h_correct_inline = no; then AC_MSG_ERROR([ cannot be used with this compiler ($CC $CFLAGS $CPPFLAGS). @@ -112,63 +118,84 @@ This is a known interoperability problem of glibc <= 2.5 with gcc >= 4.3 in C99 mode. You have four options: - Add the flag -fgnu89-inline to CC and reconfigure, or - Fix your include files, using parts of - , or + , or - Use a gcc version older than 4.3, or - Don't use the flags -std=c99 or -std=gnu99. Configuration aborted.]) fi ]) +# gl_WCHAR_MODULE_INDICATOR([modulename]) +# sets the shell variable that indicates the presence of the given module +# to a C preprocessor expression that will evaluate to 1. +# This macro invocation must not occur in macros that are AC_REQUIREd. AC_DEFUN([gl_WCHAR_MODULE_INDICATOR], [ - dnl Use AC_REQUIRE here, so that the default settings are expanded once only. - AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) + dnl Ensure to expand the default settings once only. + gl_WCHAR_H_REQUIRE_DEFAULTS gl_MODULE_INDICATOR_SET_VARIABLE([$1]) dnl Define it also as a C macro, for the benefit of the unit tests. gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) +# Initializes the default values for AC_SUBSTed shell variables. +# This macro must not be AC_REQUIREd. It must only be invoked, and only +# outside of macros or in macros that are not AC_REQUIREd. +AC_DEFUN([gl_WCHAR_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_WCHAR_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_BTOWC]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCTOB]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSINIT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBRTOWC]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBRLEN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSRTOWCS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSNRTOWCS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCRTOMB]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSRTOMBS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNRTOMBS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCWIDTH]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMCHR]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMCMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMCPY]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMMOVE]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMPCPY]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WMEMSET]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSLEN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNLEN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCPY]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCPCPY]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCPY]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCPNCPY]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCAT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCAT]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCASECMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSNCASECMP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCOLL]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSXFRM]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSDUP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCHR]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSRCHR]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSCSPN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSSPN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSPBRK]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSSTR]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSTOK]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSWIDTH]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCSFTIME]) + dnl Support Microsoft deprecated alias function names by default. + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_WCSDUP], [1]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_WCHAR_H_MODULE_INDICATOR_DEFAULTS]) + dnl Make sure the shell variable for GNULIB_FREE_POSIX is initialized. + gl_STDLIB_H_REQUIRE_DEFAULTS + AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) +]) + AC_DEFUN([gl_WCHAR_H_DEFAULTS], [ - GNULIB_BTOWC=0; AC_SUBST([GNULIB_BTOWC]) - GNULIB_WCTOB=0; AC_SUBST([GNULIB_WCTOB]) - GNULIB_MBSINIT=0; AC_SUBST([GNULIB_MBSINIT]) - GNULIB_MBRTOWC=0; AC_SUBST([GNULIB_MBRTOWC]) - GNULIB_MBRLEN=0; AC_SUBST([GNULIB_MBRLEN]) - GNULIB_MBSRTOWCS=0; AC_SUBST([GNULIB_MBSRTOWCS]) - GNULIB_MBSNRTOWCS=0; AC_SUBST([GNULIB_MBSNRTOWCS]) - GNULIB_WCRTOMB=0; AC_SUBST([GNULIB_WCRTOMB]) - GNULIB_WCSRTOMBS=0; AC_SUBST([GNULIB_WCSRTOMBS]) - GNULIB_WCSNRTOMBS=0; AC_SUBST([GNULIB_WCSNRTOMBS]) - GNULIB_WCWIDTH=0; AC_SUBST([GNULIB_WCWIDTH]) - GNULIB_WMEMCHR=0; AC_SUBST([GNULIB_WMEMCHR]) - GNULIB_WMEMCMP=0; AC_SUBST([GNULIB_WMEMCMP]) - GNULIB_WMEMCPY=0; AC_SUBST([GNULIB_WMEMCPY]) - GNULIB_WMEMMOVE=0; AC_SUBST([GNULIB_WMEMMOVE]) - GNULIB_WMEMSET=0; AC_SUBST([GNULIB_WMEMSET]) - GNULIB_WCSLEN=0; AC_SUBST([GNULIB_WCSLEN]) - GNULIB_WCSNLEN=0; AC_SUBST([GNULIB_WCSNLEN]) - GNULIB_WCSCPY=0; AC_SUBST([GNULIB_WCSCPY]) - GNULIB_WCPCPY=0; AC_SUBST([GNULIB_WCPCPY]) - GNULIB_WCSNCPY=0; AC_SUBST([GNULIB_WCSNCPY]) - GNULIB_WCPNCPY=0; AC_SUBST([GNULIB_WCPNCPY]) - GNULIB_WCSCAT=0; AC_SUBST([GNULIB_WCSCAT]) - GNULIB_WCSNCAT=0; AC_SUBST([GNULIB_WCSNCAT]) - GNULIB_WCSCMP=0; AC_SUBST([GNULIB_WCSCMP]) - GNULIB_WCSNCMP=0; AC_SUBST([GNULIB_WCSNCMP]) - GNULIB_WCSCASECMP=0; AC_SUBST([GNULIB_WCSCASECMP]) - GNULIB_WCSNCASECMP=0; AC_SUBST([GNULIB_WCSNCASECMP]) - GNULIB_WCSCOLL=0; AC_SUBST([GNULIB_WCSCOLL]) - GNULIB_WCSXFRM=0; AC_SUBST([GNULIB_WCSXFRM]) - GNULIB_WCSDUP=0; AC_SUBST([GNULIB_WCSDUP]) - GNULIB_WCSCHR=0; AC_SUBST([GNULIB_WCSCHR]) - GNULIB_WCSRCHR=0; AC_SUBST([GNULIB_WCSRCHR]) - GNULIB_WCSCSPN=0; AC_SUBST([GNULIB_WCSCSPN]) - GNULIB_WCSSPN=0; AC_SUBST([GNULIB_WCSSPN]) - GNULIB_WCSPBRK=0; AC_SUBST([GNULIB_WCSPBRK]) - GNULIB_WCSSTR=0; AC_SUBST([GNULIB_WCSSTR]) - GNULIB_WCSTOK=0; AC_SUBST([GNULIB_WCSTOK]) - GNULIB_WCSWIDTH=0; AC_SUBST([GNULIB_WCSWIDTH]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_BTOWC=1; AC_SUBST([HAVE_BTOWC]) HAVE_MBSINIT=1; AC_SUBST([HAVE_MBSINIT]) @@ -183,6 +210,7 @@ AC_DEFUN([gl_WCHAR_H_DEFAULTS], HAVE_WMEMCMP=1; AC_SUBST([HAVE_WMEMCMP]) HAVE_WMEMCPY=1; AC_SUBST([HAVE_WMEMCPY]) HAVE_WMEMMOVE=1; AC_SUBST([HAVE_WMEMMOVE]) + HAVE_WMEMPCPY=1; AC_SUBST([HAVE_WMEMPCPY]) HAVE_WMEMSET=1; AC_SUBST([HAVE_WMEMSET]) HAVE_WCSLEN=1; AC_SUBST([HAVE_WCSLEN]) HAVE_WCSNLEN=1; AC_SUBST([HAVE_WCSNLEN]) @@ -207,7 +235,9 @@ AC_DEFUN([gl_WCHAR_H_DEFAULTS], HAVE_WCSSTR=1; AC_SUBST([HAVE_WCSSTR]) HAVE_WCSTOK=1; AC_SUBST([HAVE_WCSTOK]) HAVE_WCSWIDTH=1; AC_SUBST([HAVE_WCSWIDTH]) + HAVE_WCSFTIME=1; AC_SUBST([HAVE_WCSFTIME]) HAVE_DECL_WCTOB=1; AC_SUBST([HAVE_DECL_WCTOB]) + HAVE_DECL_WCSDUP=1; AC_SUBST([HAVE_DECL_WCSDUP]) HAVE_DECL_WCWIDTH=1; AC_SUBST([HAVE_DECL_WCWIDTH]) REPLACE_MBSTATE_T=0; AC_SUBST([REPLACE_MBSTATE_T]) REPLACE_BTOWC=0; AC_SUBST([REPLACE_BTOWC]) @@ -222,4 +252,6 @@ AC_DEFUN([gl_WCHAR_H_DEFAULTS], REPLACE_WCSNRTOMBS=0; AC_SUBST([REPLACE_WCSNRTOMBS]) REPLACE_WCWIDTH=0; AC_SUBST([REPLACE_WCWIDTH]) REPLACE_WCSWIDTH=0; AC_SUBST([REPLACE_WCSWIDTH]) + REPLACE_WCSFTIME=0; AC_SUBST([REPLACE_WCSFTIME]) + REPLACE_WCSTOK=0; AC_SUBST([REPLACE_WCSTOK]) ]) -- cgit v1.2.3-74-g34f1