libmicrohttpd2

HTTP server C library (MHD 2.x, alpha)
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commit 7ac7182ca07039e4a79b15cf1f534662467267eb
parent 9ec37ac8449e6b5124ba4072089ce0be162e9251
Author: Evgeny Grin (Karlson2k) <k2k@drgrin.dev>
Date:   Mon, 30 Mar 2026 22:22:59 +0200

m4/: huge cleanup

Removed a lot of unused macros. Most of them were used for gettext.
Currently gettext lives in its own directory and used only for tarballs.
gettext directory has dedicated m4/ subdir. These macros in global m4/
directory are not used anymore.

Diffstat:
Dm4/codeset.m4 | 24------------------------
Dm4/extern-inline.m4 | 114-------------------------------------------------------------------------------
Dm4/fcntl-o.m4 | 140-------------------------------------------------------------------------------
Dm4/glibc2.m4 | 31-------------------------------
Dm4/glibc21.m4 | 34----------------------------------
Dm4/intdiv0.m4 | 90-------------------------------------------------------------------------------
Dm4/intl-thread-locale.m4 | 219-------------------------------------------------------------------------------
Dm4/intl.m4 | 287-------------------------------------------------------------------------------
Dm4/intldir.m4 | 19-------------------
Dm4/intmax.m4 | 36------------------------------------
Dm4/inttypes-pri.m4 | 42------------------------------------------
Dm4/inttypes_h.m4 | 29-----------------------------
Dm4/lcmessage.m4 | 35-----------------------------------
Dm4/lock.m4 | 47-----------------------------------------------
Dm4/longlong.m4 | 113-------------------------------------------------------------------------------
Dm4/printf-posix.m4 | 48------------------------------------------------
Dm4/size_max.m4 | 75---------------------------------------------------------------------------
Dm4/stdint_h.m4 | 27---------------------------
Dm4/threadlib.m4 | 622-------------------------------------------------------------------------------
Dm4/uintmax_t.m4 | 30------------------------------
Dm4/visibility.m4 | 77-----------------------------------------------------------------------------
Dm4/wchar_t.m4 | 24------------------------
Dm4/wint_t.m4 | 57---------------------------------------------------------
Dm4/xsize.m4 | 12------------
24 files changed, 0 insertions(+), 2232 deletions(-)

diff --git a/m4/codeset.m4 b/m4/codeset.m4 @@ -1,24 +0,0 @@ -# codeset.m4 serial 5 (gettext-0.18.2) -dnl Copyright (C) 2000-2002, 2006, 2008-2014, 2016 Free Software Foundation, -dnl 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 From Bruno Haible. - -AC_DEFUN([AM_LANGINFO_CODESET], -[ - AC_CACHE_CHECK([for nl_langinfo and CODESET], [am_cv_langinfo_codeset], - [AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <langinfo.h>]], - [[char* cs = nl_langinfo(CODESET); return !cs;]])], - [am_cv_langinfo_codeset=yes], - [am_cv_langinfo_codeset=no]) - ]) - if test $am_cv_langinfo_codeset = yes; then - AC_DEFINE([HAVE_LANGINFO_CODESET], [1], - [Define if you have <langinfo.h> and nl_langinfo(CODESET).]) - fi -]) diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4 @@ -1,114 +0,0 @@ -dnl 'extern inline' a la ISO C99. - -dnl Copyright 2012-2021 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_DEFUN([gl_EXTERN_INLINE], -[ - AH_VERBATIM([extern_inline], -[/* Please see the Gnulib manual for how to use these macros. - - Suppress extern inline with HP-UX cc, as it appears to be broken; see - <https://lists.gnu.org/r/bug-texinfo/2013-02/msg00030.html>. - - Suppress extern inline with Sun C in standards-conformance mode, as it - mishandles inline functions that call each other. E.g., for 'inline void f - (void) { } inline void g (void) { f (); }', c99 incorrectly complains - 'reference to static identifier "f" in extern inline function'. - This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16. - - Suppress extern inline (with or without __attribute__ ((__gnu_inline__))) - on configurations that mistakenly use 'static inline' to implement - functions or macros in standard C headers like <ctype.h>. For example, - if isdigit is mistakenly implemented via a static inline function, - a program containing an extern inline function that calls isdigit - may not work since the C standard prohibits extern inline functions - from calling static functions (ISO C 99 section 6.7.4.(3). - This bug is known to occur on: - - OS X 10.8 and earlier; see: - https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html - - DragonFly; see - http://muscles.dragonflybsd.org/bulk/clang-master-potential/20141111_102002/logs/ah-tty-0.3.12.log - - FreeBSD; see: - https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html - - OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and - for clang but remains for g++; see <https://trac.macports.org/ticket/41033>. - Assume DragonFly and FreeBSD will be similar. - - GCC 4.3 and above with -std=c99 or -std=gnu99 implements ISO C99 - inline semantics, unless -fgnu89-inline is used. It defines a macro - __GNUC_STDC_INLINE__ to indicate this situation or a macro - __GNUC_GNU_INLINE__ to indicate the opposite situation. - GCC 4.2 with -std=c99 or -std=gnu99 implements the GNU C inline - semantics but warns, unless -fgnu89-inline is used: - warning: C99 inline functions are not supported; using GNU89 - warning: to disable this warning use -fgnu89-inline or the gnu_inline function attribute - It defines a macro __GNUC_GNU_INLINE__ to indicate this situation. - */ -#if (((defined __APPLE__ && defined __MACH__) \ - || defined __DragonFly__ || defined __FreeBSD__) \ - && (defined __header_inline \ - ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \ - && ! defined __clang__) \ - : ((! defined _DONT_USE_CTYPE_INLINE_ \ - && (defined __GNUC__ || defined __cplusplus)) \ - || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ - && defined __GNUC__ && ! defined __cplusplus)))) -# define _GL_EXTERN_INLINE_STDHEADER_BUG -#endif -#if ((__GNUC__ \ - ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \ - : (199901L <= __STDC_VERSION__ \ - && !defined __HP_cc \ - && !defined __PGI \ - && !(defined __SUNPRO_C && __STDC__))) \ - && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) -# define _GL_INLINE inline -# define _GL_EXTERN_INLINE extern inline -# define _GL_EXTERN_INLINE_IN_USE -#elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ - && !defined _GL_EXTERN_INLINE_STDHEADER_BUG) -# if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ - /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ -# define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) -# else -# define _GL_INLINE extern inline -# endif -# define _GL_EXTERN_INLINE extern -# define _GL_EXTERN_INLINE_IN_USE -#else -# define _GL_INLINE static _GL_UNUSED -# define _GL_EXTERN_INLINE static _GL_UNUSED -#endif - -/* In GCC 4.6 (inclusive) to 5.1 (exclusive), - suppress bogus "no previous prototype for 'FOO'" - and "no previous declaration for 'FOO'" diagnostics, - when FOO is an inline function in the header; see - <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113> and - <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63877>. */ -#if __GNUC__ == 4 && 6 <= __GNUC_MINOR__ -# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ -# define _GL_INLINE_HEADER_CONST_PRAGMA -# else -# define _GL_INLINE_HEADER_CONST_PRAGMA \ - _Pragma ("GCC diagnostic ignored \"-Wsuggest-attribute=const\"") -# endif -# define _GL_INLINE_HEADER_BEGIN \ - _Pragma ("GCC diagnostic push") \ - _Pragma ("GCC diagnostic ignored \"-Wmissing-prototypes\"") \ - _Pragma ("GCC diagnostic ignored \"-Wmissing-declarations\"") \ - _GL_INLINE_HEADER_CONST_PRAGMA -# define _GL_INLINE_HEADER_END \ - _Pragma ("GCC diagnostic pop") -#else -# define _GL_INLINE_HEADER_BEGIN -# define _GL_INLINE_HEADER_END -#endif]) -]) diff --git a/m4/fcntl-o.m4 b/m4/fcntl-o.m4 @@ -1,140 +0,0 @@ -# fcntl-o.m4 serial 7 -dnl Copyright (C) 2006, 2009-2021 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 Paul Eggert. - -AC_PREREQ([2.60]) - -# Test whether the flags O_NOATIME and O_NOFOLLOW actually work. -# Define HAVE_WORKING_O_NOATIME to 1 if O_NOATIME works, or to 0 otherwise. -# Define HAVE_WORKING_O_NOFOLLOW to 1 if O_NOFOLLOW works, or to 0 otherwise. -AC_DEFUN([gl_FCNTL_O_FLAGS], -[ - dnl Persuade glibc <fcntl.h> to define O_NOATIME and O_NOFOLLOW. - AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - AC_CHECK_HEADERS_ONCE([unistd.h]) - AC_CHECK_FUNCS_ONCE([symlink]) - AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h], - [AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[#include <sys/types.h> - #include <sys/stat.h> - #if HAVE_UNISTD_H - # include <unistd.h> - #else /* on Windows with MSVC */ - # include <io.h> - # include <stdlib.h> - # defined sleep(n) _sleep ((n) * 1000) - #endif - #include <fcntl.h> - ]GL_MDA_DEFINES[ - #ifndef O_NOATIME - #define O_NOATIME 0 - #endif - #ifndef O_NOFOLLOW - #define O_NOFOLLOW 0 - #endif - static int const constants[] = - { - O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC, O_APPEND, - O_NONBLOCK, O_SYNC, O_ACCMODE, O_RDONLY, O_RDWR, O_WRONLY - }; - ]], - [[ - int result = !constants; - #if HAVE_SYMLINK - { - static char const sym[] = "conftest.sym"; - if (symlink ("/dev/null", sym) != 0) - result |= 2; - else - { - int fd = open (sym, O_WRONLY | O_NOFOLLOW | O_CREAT, 0); - if (fd >= 0) - { - close (fd); - result |= 4; - } - } - if (unlink (sym) != 0 || symlink (".", sym) != 0) - result |= 2; - else - { - int fd = open (sym, O_RDONLY | O_NOFOLLOW); - if (fd >= 0) - { - close (fd); - result |= 4; - } - } - unlink (sym); - } - #endif - { - static char const file[] = "confdefs.h"; - int fd = open (file, O_RDONLY | O_NOATIME); - if (fd < 0) - result |= 8; - else - { - struct stat st0; - if (fstat (fd, &st0) != 0) - result |= 16; - else - { - char c; - sleep (1); - if (read (fd, &c, 1) != 1) - result |= 24; - else - { - if (close (fd) != 0) - result |= 32; - else - { - struct stat st1; - if (stat (file, &st1) != 0) - result |= 40; - else - if (st0.st_atime != st1.st_atime) - result |= 64; - } - } - } - } - } - return result;]])], - [gl_cv_header_working_fcntl_h=yes], - [case $? in #( - 4) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #( - 64) gl_cv_header_working_fcntl_h='no (bad O_NOATIME)';; #( - 68) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #( - *) gl_cv_header_working_fcntl_h='no';; - esac], - [case "$host_os" in - # Guess 'no' on native Windows. - mingw*) gl_cv_header_working_fcntl_h='no' ;; - *) gl_cv_header_working_fcntl_h=cross-compiling ;; - esac - ]) - ]) - - case $gl_cv_header_working_fcntl_h in #( - *O_NOATIME* | no | cross-compiling) ac_val=0;; #( - *) ac_val=1;; - esac - AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOATIME], [$ac_val], - [Define to 1 if O_NOATIME works.]) - - case $gl_cv_header_working_fcntl_h in #( - *O_NOFOLLOW* | no | cross-compiling) ac_val=0;; #( - *) ac_val=1;; - esac - AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOFOLLOW], [$ac_val], - [Define to 1 if O_NOFOLLOW works.]) -]) diff --git a/m4/glibc2.m4 b/m4/glibc2.m4 @@ -1,31 +0,0 @@ -# glibc2.m4 serial 3 -dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2016 Free Software Foundation, -dnl 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. - -# Test for the GNU C Library, version 2.0 or newer. -# From Bruno Haible. - -AC_DEFUN([gt_GLIBC2], - [ - AC_CACHE_CHECK([whether we are using the GNU C Library 2 or newer], - [ac_cv_gnu_library_2], - [AC_EGREP_CPP([Lucky GNU user], - [ -#include <features.h> -#ifdef __GNU_LIBRARY__ - #if (__GLIBC__ >= 2) && !defined __UCLIBC__ - Lucky GNU user - #endif -#endif - ], - [ac_cv_gnu_library_2=yes], - [ac_cv_gnu_library_2=no]) - ] - ) - AC_SUBST([GLIBC2]) - GLIBC2="$ac_cv_gnu_library_2" - ] -) diff --git a/m4/glibc21.m4 b/m4/glibc21.m4 @@ -1,34 +0,0 @@ -# glibc21.m4 serial 5 -dnl Copyright (C) 2000-2002, 2004, 2008, 2010-2016 Free Software Foundation, -dnl Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -# Test for the GNU C Library, version 2.1 or newer, or uClibc. -# From Bruno Haible. - -AC_DEFUN([gl_GLIBC21], - [ - AC_CACHE_CHECK([whether we are using the GNU C Library >= 2.1 or uClibc], - [ac_cv_gnu_library_2_1], - [AC_EGREP_CPP([Lucky], - [ -#include <features.h> -#ifdef __GNU_LIBRARY__ - #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) - Lucky GNU user - #endif -#endif -#ifdef __UCLIBC__ - Lucky user -#endif - ], - [ac_cv_gnu_library_2_1=yes], - [ac_cv_gnu_library_2_1=no]) - ] - ) - AC_SUBST([GLIBC21]) - GLIBC21="$ac_cv_gnu_library_2_1" - ] -) diff --git a/m4/intdiv0.m4 b/m4/intdiv0.m4 @@ -1,90 +0,0 @@ -# intdiv0.m4 serial 7 (gettext-0.20.2) -dnl Copyright (C) 2002, 2007-2008, 2010-2020 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 From Bruno Haible. - -AC_DEFUN([gt_INTDIV0], -[ - AC_REQUIRE([AC_PROG_CC])dnl - AC_REQUIRE([AC_CANONICAL_HOST])dnl - - AC_CACHE_CHECK([whether integer division by zero raises SIGFPE], - gt_cv_int_divbyzero_sigfpe, - [ - gt_cv_int_divbyzero_sigfpe= -changequote(,)dnl - case "$host_os" in - macos* | darwin[6-9]* | darwin[1-9][0-9]*) - # On Mac OS X 10.2 or newer, just assume the same as when cross- - # compiling. If we were to perform the real test, 1 Crash Report - # dialog window would pop up. - case "$host_cpu" in - i[34567]86 | x86_64) - gt_cv_int_divbyzero_sigfpe="guessing yes" ;; - esac - ;; - esac -changequote([,])dnl - if test -z "$gt_cv_int_divbyzero_sigfpe"; then - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include <stdlib.h> /* for exit() */ -#include <signal.h> -#if !(defined _WIN32 && !defined __CYGWIN__) -#include <unistd.h> /* for _exit() */ -#endif - -static void -sigfpe_handler (int sig) -{ - /* Exit with code 0 if SIGFPE, with code 1 if any other signal. */ - _exit (sig != SIGFPE); -} - -int x = 1; -int y = 0; -int z; -int nan; - -int main () -{ - signal (SIGFPE, sigfpe_handler); -/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP. */ -#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP) - signal (SIGTRAP, sigfpe_handler); -#endif -/* Linux/SPARC yields signal SIGILL. */ -#if defined (__sparc__) && defined (__linux__) - signal (SIGILL, sigfpe_handler); -#endif - - z = x / y; - nan = y / y; - exit (2); -} -]])], - [gt_cv_int_divbyzero_sigfpe=yes], - [gt_cv_int_divbyzero_sigfpe=no], - [ - # Guess based on the CPU. -changequote(,)dnl - case "$host_cpu" in - alpha* | i[34567]86 | x86_64 | m68k | s390*) - gt_cv_int_divbyzero_sigfpe="guessing yes";; - *) - gt_cv_int_divbyzero_sigfpe="guessing no";; - esac -changequote([,])dnl - ]) - fi - ]) - case "$gt_cv_int_divbyzero_sigfpe" in - *yes) value=1;; - *) value=0;; - esac - AC_DEFINE_UNQUOTED([INTDIV0_RAISES_SIGFPE], [$value], - [Define if integer division by zero raises signal SIGFPE.]) -]) diff --git a/m4/intl-thread-locale.m4 b/m4/intl-thread-locale.m4 @@ -1,219 +0,0 @@ -# intl-thread-locale.m4 serial 9 -dnl Copyright (C) 2015-2021 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 -dnl This file can be used in projects which are not available under -dnl the GNU General Public License or the GNU Lesser General Public -dnl License but which still want to provide support for the GNU gettext -dnl functionality. -dnl Please note that the actual code of the GNU gettext library is covered -dnl by the GNU Lesser General Public License, and the rest of the GNU -dnl gettext package is covered by the GNU General Public License. -dnl They are *not* in the public domain. - -dnl Check how to retrieve the name of a per-thread locale (POSIX locale_t). -dnl Sets gt_nameless_locales. -AC_DEFUN([gt_INTL_THREAD_LOCALE_NAME], -[ - AC_REQUIRE([AC_CANONICAL_HOST]) - - dnl Persuade Solaris <locale.h> to define 'locale_t'. - AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - - dnl Test whether uselocale() exists and works at all. - gt_FUNC_USELOCALE - - dnl On OpenBSD >= 6.2, the locale_t type and the uselocale(), newlocale(), - dnl duplocale(), freelocale() functions exist but are effectively useless, - dnl because the locale_t value depends only on the LC_CTYPE category of the - dnl locale and furthermore contains only one bit of information (it - dnl distinguishes the "C" locale from the *.UTF-8 locales). See - dnl <https://cvsweb.openbsd.org/src/lib/libc/locale/newlocale.c?rev=1.1&content-type=text/x-cvsweb-markup>. - dnl In the setlocale() implementation they have thought about the programs - dnl that use the API ("Even though only LC_CTYPE has any effect in the - dnl OpenBSD base system, store complete information about the global locale, - dnl such that third-party software can access it"), but for uselocale() - dnl they did not think about the programs. - dnl In this situation, even the HAVE_NAMELESS_LOCALES support does not work. - dnl So, define HAVE_FAKE_LOCALES and disable all locale_t support. - case "$gt_cv_func_uselocale_works" in - *yes) - AC_CHECK_HEADERS_ONCE([xlocale.h]) - AC_CACHE_CHECK([for fake locale system (OpenBSD)], - [gt_cv_locale_fake], - [AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include <locale.h> -#if HAVE_XLOCALE_H -# include <xlocale.h> -#endif -int main () -{ - locale_t loc1, loc2; - if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL) return 1; - if (setlocale (LC_ALL, "fr_FR.UTF-8") == NULL) return 1; - loc1 = newlocale (LC_ALL_MASK, "de_DE.UTF-8", (locale_t)0); - loc2 = newlocale (LC_ALL_MASK, "fr_FR.UTF-8", (locale_t)0); - return !(loc1 == loc2); -}]])], - [gt_cv_locale_fake=yes], - [gt_cv_locale_fake=no], - [dnl Guess the locale system is fake only on OpenBSD. - case "$host_os" in - openbsd*) gt_cv_locale_fake="guessing yes" ;; - *) gt_cv_locale_fake="guessing no" ;; - esac - ]) - ]) - ;; - *) gt_cv_locale_fake=no ;; - esac - case "$gt_cv_locale_fake" in - *yes) - gt_fake_locales=yes - AC_DEFINE([HAVE_FAKE_LOCALES], [1], - [Define if the locale_t type contains insufficient information, as on OpenBSD.]) - ;; - *) - gt_fake_locales=no - ;; - esac - - case "$gt_cv_func_uselocale_works" in - *yes) - AC_CACHE_CHECK([for Solaris 11.4 locale system], - [gt_cv_locale_solaris114], - [case "$host_os" in - solaris*) - dnl Test whether <locale.h> defines locale_t as a typedef of - dnl 'struct _LC_locale_t **' (whereas Illumos defines it as a - dnl typedef of 'struct _locale *'). - dnl Another possible test would be to include <sys/localedef.h> - dnl and test whether it defines the _LC_core_data_locale_t type. - dnl This type was added in Solaris 11.4. - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[ - #include <locale.h> - struct _LC_locale_t *x; - locale_t y; - ]], - [[*y = x;]])], - [gt_cv_locale_solaris114=yes], - [gt_cv_locale_solaris114=no]) - ;; - *) gt_cv_locale_solaris114=no ;; - esac - ]) - ;; - *) gt_cv_locale_solaris114=no ;; - esac - if test $gt_cv_locale_solaris114 = yes; then - AC_DEFINE([HAVE_SOLARIS114_LOCALES], [1], - [Define if the locale_t type is as on Solaris 11.4.]) - fi - - dnl Solaris 12 will maybe provide getlocalename_l. If it does, it will - dnl improve the implementation of gl_locale_name_thread(), by removing - dnl the use of undocumented structures. - case "$gt_cv_func_uselocale_works" in - *yes) - AC_CHECK_FUNCS([getlocalename_l]) - ;; - esac - - dnl This code is for platforms where the locale_t type does not provide access - dnl to the name of each locale category. This code has the drawback that it - dnl requires the gnulib overrides of 'newlocale', 'duplocale', 'freelocale', - dnl which is a problem for GNU libunistring. Therefore try hard to avoid - dnl enabling this code! - gt_nameless_locales=no - case "$host_os" in - dnl It's needed on AIX 7.2. - aix*) - gt_nameless_locales=yes - AC_DEFINE([HAVE_NAMELESS_LOCALES], [1], - [Define if the locale_t type does not contain the name of each locale category.]) - ;; - esac - - dnl We cannot support uselocale() on platforms where the locale_t type is - dnl fake. So, set - dnl gt_good_uselocale = gt_working_uselocale && !gt_fake_locales. - if test $gt_working_uselocale = yes && test $gt_fake_locales = no; then - gt_good_uselocale=yes - AC_DEFINE([HAVE_GOOD_USELOCALE], [1], - [Define if the uselocale exists, may be safely called, and returns sufficient information.]) - else - gt_good_uselocale=no - fi - - dnl Set gt_localename_enhances_locale_funcs to indicate whether localename.c - dnl overrides newlocale(), duplocale(), freelocale() to keep track of locale - dnl names. - if test $gt_good_uselocale = yes && test $gt_nameless_locales = yes; then - gt_localename_enhances_locale_funcs=yes - LOCALENAME_ENHANCE_LOCALE_FUNCS=1 - AC_DEFINE([LOCALENAME_ENHANCE_LOCALE_FUNCS], [1], - [Define if localename.c overrides newlocale(), duplocale(), freelocale().]) - else - gt_localename_enhances_locale_funcs=no - fi -]) - -dnl Tests whether uselocale() exists and is usable. -dnl Sets gt_working_uselocale and defines HAVE_WORKING_USELOCALE. -AC_DEFUN([gt_FUNC_USELOCALE], -[ - AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles - - dnl Persuade glibc and Solaris <locale.h> to define 'locale_t'. - AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - - AC_CHECK_FUNCS_ONCE([uselocale]) - - dnl On AIX 7.2, the uselocale() function is not documented and leads to - dnl crashes in subsequent setlocale() invocations. - dnl In 2019, some versions of z/OS lack the locale_t type and have a broken - dnl uselocale function. - if test $ac_cv_func_uselocale = yes; then - AC_CHECK_HEADERS_ONCE([xlocale.h]) - AC_CACHE_CHECK([whether uselocale works], - [gt_cv_func_uselocale_works], - [AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include <locale.h> -#if HAVE_XLOCALE_H -# include <xlocale.h> -#endif -locale_t loc1; -int main () -{ - uselocale (NULL); - setlocale (LC_ALL, "en_US.UTF-8"); - return 0; -}]])], - [gt_cv_func_uselocale_works=yes], - [gt_cv_func_uselocale_works=no], - [# Guess no on AIX and z/OS, yes otherwise. - case "$host_os" in - aix* | openedition*) gt_cv_func_uselocale_works="guessing no" ;; - *) gt_cv_func_uselocale_works="guessing yes" ;; - esac - ]) - ]) - else - gt_cv_func_uselocale_works=no - fi - case "$gt_cv_func_uselocale_works" in - *yes) - gt_working_uselocale=yes - AC_DEFINE([HAVE_WORKING_USELOCALE], [1], - [Define if the uselocale function exists and may safely be called.]) - ;; - *) - gt_working_uselocale=no - ;; - esac -]) diff --git a/m4/intl.m4 b/m4/intl.m4 @@ -1,287 +0,0 @@ -# intl.m4 serial 44 (gettext-0.21) -dnl Copyright (C) 1995-2014, 2016-2020 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 -dnl This file can be used in projects which are not available under -dnl the GNU General Public License or the GNU Lesser General Public -dnl License but which still want to provide support for the GNU gettext -dnl functionality. -dnl Please note that the actual code of the GNU gettext library is covered -dnl by the GNU Lesser General Public License, and the rest of the GNU -dnl gettext package is covered by the GNU General Public License. -dnl They are *not* in the public domain. - -dnl Authors: -dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000. -dnl Bruno Haible <haible@clisp.cons.org>, 2000-2009. - -AC_PREREQ([2.60]) - -dnl Checks for all prerequisites of the intl subdirectory, -dnl except for LIBTOOL, USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL. -AC_DEFUN([AM_INTL_SUBDIR], -[ - AC_REQUIRE([AC_PROG_INSTALL])dnl - AC_REQUIRE([AC_PROG_MKDIR_P])dnl - AC_REQUIRE([AC_PROG_CC])dnl - AC_REQUIRE([AC_CANONICAL_HOST])dnl - AC_REQUIRE([gt_GLIBC2])dnl - AC_REQUIRE([gl_VISIBILITY])dnl - AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl - AC_REQUIRE([AC_TYPE_LONG_LONG_INT])dnl - AC_REQUIRE([gt_TYPE_WCHAR_T])dnl - AC_REQUIRE([gt_TYPE_WINT_T])dnl - AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) - AC_REQUIRE([gt_TYPE_INTMAX_T]) - AC_REQUIRE([gt_PRINTF_POSIX]) - AC_REQUIRE([gl_GLIBC21])dnl - AC_REQUIRE([gl_XSIZE])dnl - AC_REQUIRE([gl_FCNTL_O_FLAGS])dnl - AC_REQUIRE([gt_INTL_THREAD_LOCALE_NAME]) - AC_REQUIRE([gt_INTL_MACOSX])dnl - AC_REQUIRE([gl_EXTERN_INLINE])dnl - AC_REQUIRE([gt_GL_ATTRIBUTE])dnl - AC_REQUIRE([AC_C_FLEXIBLE_ARRAY_MEMBER])dnl - - dnl In projects that use gnulib, use gl_PROG_AR_RANLIB. - dnl The '][' hides this use from 'aclocal'. - m4_ifdef([g][l_PROG_AR_RANLIB], - [AC_REQUIRE([g][l_PROG_AR_RANLIB])], - [AC_REQUIRE([AC_PROG_RANLIB]) - dnl Use Automake-documented default values for AR and ARFLAGS, but prefer - dnl ${host}-ar over ar (useful for cross-compiling). - AC_CHECK_TOOL([AR], [ar], [ar]) - if test -z "$ARFLAGS"; then - ARFLAGS='cr' - fi - AC_SUBST([AR]) - AC_SUBST([ARFLAGS]) - ]) - - dnl Support for automake's --enable-silent-rules. - case "$enable_silent_rules" in - yes) INTL_DEFAULT_VERBOSITY=0;; - no) INTL_DEFAULT_VERBOSITY=1;; - *) INTL_DEFAULT_VERBOSITY=1;; - esac - AC_SUBST([INTL_DEFAULT_VERBOSITY]) - - AC_CHECK_TYPE([ptrdiff_t], , - [AC_DEFINE([ptrdiff_t], [long], - [Define as the type of the result of subtracting two pointers, if the system doesn't define it.]) - ]) - AC_CHECK_HEADERS([features.h stddef.h stdlib.h string.h]) - AC_CHECK_FUNCS([asprintf wprintf newlocale putenv setenv \ - snprintf strnlen uselocale wcslen wcsnlen mbrtowc wcrtomb]) - - dnl Use the _snprintf function only if it is declared (because on NetBSD it - dnl is defined as a weak alias of snprintf; we prefer to use the latter). - AC_CHECK_DECLS([_snprintf, _snwprintf], , , [#include <stdio.h>]) - - dnl Use the *_unlocked functions only if they are declared. - dnl (because some of them were defined without being declared in Solaris - dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built - dnl on Solaris 2.5.1 to run on Solaris 2.6). - AC_CHECK_DECLS([getc_unlocked], , , [#include <stdio.h>]) - - case $gt_cv_func_printf_posix in - *yes) HAVE_POSIX_PRINTF=1 ;; - *) HAVE_POSIX_PRINTF=0 ;; - esac - AC_SUBST([HAVE_POSIX_PRINTF]) - if test "$ac_cv_func_asprintf" = yes; then - HAVE_ASPRINTF=1 - else - HAVE_ASPRINTF=0 - fi - AC_SUBST([HAVE_ASPRINTF]) - if test "$ac_cv_func_snprintf" = yes; then - HAVE_SNPRINTF=1 - else - HAVE_SNPRINTF=0 - fi - AC_SUBST([HAVE_SNPRINTF]) - if test "$ac_cv_func_newlocale" = yes; then - HAVE_NEWLOCALE=1 - else - HAVE_NEWLOCALE=0 - fi - AC_SUBST([HAVE_NEWLOCALE]) - if test "$ac_cv_func_wprintf" = yes; then - HAVE_WPRINTF=1 - else - HAVE_WPRINTF=0 - fi - AC_SUBST([HAVE_WPRINTF]) - - AM_LANGINFO_CODESET - gt_LC_MESSAGES - - if test $gt_nameless_locales = yes; then - HAVE_NAMELESS_LOCALES=1 - else - HAVE_NAMELESS_LOCALES=0 - fi - AC_SUBST([HAVE_NAMELESS_LOCALES]) - - dnl Compilation on mingw and Cygwin needs special Makefile rules, because - dnl 1. when we install a shared library, we must arrange to export - dnl auxiliary pointer variables for every exported variable, - dnl 2. when we install a shared library and a static library simultaneously, - dnl the include file specifies __declspec(dllimport) and therefore we - dnl must arrange to define the auxiliary pointer variables for the - dnl exported variables _also_ in the static library. - if test "$enable_shared" = yes; then - case "$host_os" in - mingw* | cygwin*) is_woe32dll=yes ;; - *) is_woe32dll=no ;; - esac - else - is_woe32dll=no - fi - WOE32DLL=$is_woe32dll - AC_SUBST([WOE32DLL]) - - dnl On mingw and Cygwin, we can activate special Makefile rules which add - dnl version information to the shared libraries and executables. - case "$host_os" in - mingw* | cygwin*) is_woe32=yes ;; - *) is_woe32=no ;; - esac - WOE32=$is_woe32 - AC_SUBST([WOE32]) - if test $WOE32 = yes; then - dnl Check for a program that compiles Windows resource files. - AC_CHECK_TOOL([WINDRES], [windres]) - fi - - dnl Rename some macros and functions used for locking. - AH_BOTTOM([ -#define __libc_lock_t gl_lock_t -#define __libc_lock_define gl_lock_define -#define __libc_lock_define_initialized gl_lock_define_initialized -#define __libc_lock_init gl_lock_init -#define __libc_lock_lock gl_lock_lock -#define __libc_lock_unlock gl_lock_unlock -#define __libc_lock_recursive_t gl_recursive_lock_t -#define __libc_lock_define_recursive gl_recursive_lock_define -#define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized -#define __libc_lock_init_recursive gl_recursive_lock_init -#define __libc_lock_lock_recursive gl_recursive_lock_lock -#define __libc_lock_unlock_recursive gl_recursive_lock_unlock -#define glthread_in_use libintl_thread_in_use -#define glthread_lock_init_func libintl_lock_init_func -#define glthread_lock_lock_func libintl_lock_lock_func -#define glthread_lock_unlock_func libintl_lock_unlock_func -#define glthread_lock_destroy_func libintl_lock_destroy_func -#define glthread_rwlock_init_multithreaded libintl_rwlock_init_multithreaded -#define glthread_rwlock_init_func libintl_rwlock_init_func -#define glthread_rwlock_rdlock_multithreaded libintl_rwlock_rdlock_multithreaded -#define glthread_rwlock_rdlock_func libintl_rwlock_rdlock_func -#define glthread_rwlock_wrlock_multithreaded libintl_rwlock_wrlock_multithreaded -#define glthread_rwlock_wrlock_func libintl_rwlock_wrlock_func -#define glthread_rwlock_unlock_multithreaded libintl_rwlock_unlock_multithreaded -#define glthread_rwlock_unlock_func libintl_rwlock_unlock_func -#define glthread_rwlock_destroy_multithreaded libintl_rwlock_destroy_multithreaded -#define glthread_rwlock_destroy_func libintl_rwlock_destroy_func -#define glthread_recursive_lock_init_multithreaded libintl_recursive_lock_init_multithreaded -#define glthread_recursive_lock_init_func libintl_recursive_lock_init_func -#define glthread_recursive_lock_lock_multithreaded libintl_recursive_lock_lock_multithreaded -#define glthread_recursive_lock_lock_func libintl_recursive_lock_lock_func -#define glthread_recursive_lock_unlock_multithreaded libintl_recursive_lock_unlock_multithreaded -#define glthread_recursive_lock_unlock_func libintl_recursive_lock_unlock_func -#define glthread_recursive_lock_destroy_multithreaded libintl_recursive_lock_destroy_multithreaded -#define glthread_recursive_lock_destroy_func libintl_recursive_lock_destroy_func -#define glthread_once_func libintl_once_func -#define glthread_once_singlethreaded libintl_once_singlethreaded -#define glthread_once_multithreaded libintl_once_multithreaded -]) -]) - - -dnl Checks for the core files of the intl subdirectory: -dnl dcigettext.c -dnl eval-plural.h -dnl explodename.c -dnl finddomain.c -dnl gettextP.h -dnl gmo.h -dnl hash-string.h hash-string.c -dnl l10nflist.c -dnl libgnuintl.h.in (except the *printf stuff) -dnl loadinfo.h -dnl loadmsgcat.c -dnl localealias.c -dnl log.c -dnl plural-exp.h plural-exp.c -dnl plural.y -dnl Used by libglocale. -AC_DEFUN([gt_INTL_SUBDIR_CORE], -[ - AC_REQUIRE([AC_C_INLINE])dnl - AC_REQUIRE([AC_TYPE_SIZE_T])dnl - AC_REQUIRE([gl_AC_HEADER_STDINT_H]) - AC_REQUIRE([AC_FUNC_ALLOCA])dnl - AC_REQUIRE([AC_FUNC_MMAP])dnl - AC_REQUIRE([gt_INTDIV0])dnl - AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl - AC_REQUIRE([gl_LOCK])dnl - - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }]], - [[]])], - [AC_DEFINE([HAVE_BUILTIN_EXPECT], [1], - [Define to 1 if the compiler understands __builtin_expect.])]) - - AC_CHECK_HEADERS([inttypes.h limits.h unistd.h sys/param.h]) - AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \ - stpcpy strcasecmp strdup strtoul tsearch __fsetlocking]) - - dnl Use the *_unlocked functions only if they are declared. - dnl (because some of them were defined without being declared in Solaris - dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built - dnl on Solaris 2.5.1 to run on Solaris 2.6). - AC_CHECK_DECLS([feof_unlocked, fgets_unlocked], , , [#include <stdio.h>]) - - AM_ICONV - - dnl intl/plural.c is generated from intl/plural.y. It requires bison, - dnl because plural.y uses bison specific features. It requires at least - dnl bison-3.0 for %precedence. - dnl bison is only needed for the maintainer (who touches plural.y). But in - dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put - dnl the rule in general Makefile. Now, some people carelessly touch the - dnl files or have a broken "make" program, hence the plural.c rule will - dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not - dnl present or too old. - gl_PROG_BISON([INTLBISON], [3.0]) -]) - -dnl Copies _GL_UNUSED and _GL_ATTRIBUTE_PURE definitions from -dnl gnulib-common.m4 as a fallback, if the project isn't using Gnulib. -AC_DEFUN([gt_GL_ATTRIBUTE], [ - m4_ifndef([gl_[]COMMON], - AH_VERBATIM([gt_gl_attribute], -[/* Define as a marker that can be attached to declarations that might not - be used. This helps to reduce warnings, such as from - GCC -Wunused-parameter. */ -#ifndef _GL_UNUSED -# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) -# define _GL_UNUSED __attribute__ ((__unused__)) -# else -# define _GL_UNUSED -# endif -#endif - -/* The __pure__ attribute was added in gcc 2.96. */ -#ifndef _GL_ATTRIBUTE_PURE -# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) -# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) -# else -# define _GL_ATTRIBUTE_PURE /* empty */ -# endif -#endif -]))]) diff --git a/m4/intldir.m4 b/m4/intldir.m4 @@ -1,19 +0,0 @@ -# intldir.m4 serial 2 (gettext-0.18) -dnl Copyright (C) 2006, 2009-2010 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 -dnl This file can can be used in projects which are not available under -dnl the GNU General Public License or the GNU Library General Public -dnl License but which still want to provide support for the GNU gettext -dnl functionality. -dnl Please note that the actual code of the GNU gettext library is covered -dnl by the GNU Library General Public License, and the rest of the GNU -dnl gettext package package is covered by the GNU General Public License. -dnl They are *not* in the public domain. - -AC_PREREQ([2.52]) - -dnl Tells the AM_GNU_GETTEXT macro to consider an intl/ directory. -AC_DEFUN([AM_GNU_GETTEXT_INTL_SUBDIR], []) diff --git a/m4/intmax.m4 b/m4/intmax.m4 @@ -1,36 +0,0 @@ -# intmax.m4 serial 6 (gettext-0.18.2) -dnl Copyright (C) 2002-2005, 2008-2016 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 From Bruno Haible. -dnl Test whether the system has the 'intmax_t' type, but don't attempt to -dnl find a replacement if it is lacking. - -AC_DEFUN([gt_TYPE_INTMAX_T], -[ - AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) - AC_REQUIRE([gl_AC_HEADER_STDINT_H]) - AC_CACHE_CHECK([for intmax_t], [gt_cv_c_intmax_t], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ -#include <stddef.h> -#include <stdlib.h> -#if HAVE_STDINT_H_WITH_UINTMAX -#include <stdint.h> -#endif -#if HAVE_INTTYPES_H_WITH_UINTMAX -#include <inttypes.h> -#endif - ]], - [[intmax_t x = -1; - return !x;]])], - [gt_cv_c_intmax_t=yes], - [gt_cv_c_intmax_t=no])]) - if test $gt_cv_c_intmax_t = yes; then - AC_DEFINE([HAVE_INTMAX_T], [1], - [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) - fi -]) diff --git a/m4/inttypes-pri.m4 b/m4/inttypes-pri.m4 @@ -1,42 +0,0 @@ -# inttypes-pri.m4 serial 7 (gettext-0.18.2) -dnl Copyright (C) 1997-2002, 2006, 2008-2016 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 From Bruno Haible. - -AC_PREREQ([2.53]) - -# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI* -# macros to non-string values. This is the case on AIX 4.3.3. - -AC_DEFUN([gt_INTTYPES_PRI], -[ - AC_CHECK_HEADERS([inttypes.h]) - if test $ac_cv_header_inttypes_h = yes; then - AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken], - [gt_cv_inttypes_pri_broken], - [ - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ -#include <inttypes.h> -#ifdef PRId32 -char *p = PRId32; -#endif - ]], - [[]])], - [gt_cv_inttypes_pri_broken=no], - [gt_cv_inttypes_pri_broken=yes]) - ]) - fi - if test "$gt_cv_inttypes_pri_broken" = yes; then - AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1], - [Define if <inttypes.h> exists and defines unusable PRI* macros.]) - PRI_MACROS_BROKEN=1 - else - PRI_MACROS_BROKEN=0 - fi - AC_SUBST([PRI_MACROS_BROKEN]) -]) diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4 @@ -1,29 +0,0 @@ -# inttypes_h.m4 serial 10 -dnl Copyright (C) 1997-2004, 2006, 2008-2016 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 From Paul Eggert. - -# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists, -# doesn't clash with <sys/types.h>, and declares uintmax_t. - -AC_DEFUN([gl_AC_HEADER_INTTYPES_H], -[ - AC_CACHE_CHECK([for inttypes.h], [gl_cv_header_inttypes_h], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[ -#include <sys/types.h> -#include <inttypes.h> - ]], - [[uintmax_t i = (uintmax_t) -1; return !i;]])], - [gl_cv_header_inttypes_h=yes], - [gl_cv_header_inttypes_h=no])]) - if test $gl_cv_header_inttypes_h = yes; then - AC_DEFINE_UNQUOTED([HAVE_INTTYPES_H_WITH_UINTMAX], [1], - [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, - and declares uintmax_t. ]) - fi -]) diff --git a/m4/lcmessage.m4 b/m4/lcmessage.m4 @@ -1,35 +0,0 @@ -# lcmessage.m4 serial 8 -dnl Copyright (C) 1995-2002, 2004-2005, 2008-2014, 2016, 2019-2021 Free -dnl 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 -dnl This file can be used in projects which are not available under -dnl the GNU General Public License or the GNU Lesser General Public -dnl License but which still want to provide support for the GNU gettext -dnl functionality. -dnl Please note that the actual code of the GNU gettext library is covered -dnl by the GNU Lesser General Public License, and the rest of the GNU -dnl gettext package is covered by the GNU General Public License. -dnl They are *not* in the public domain. - -dnl Authors: -dnl Ulrich Drepper <drepper@cygnus.com>, 1995. - -# Check whether LC_MESSAGES is available in <locale.h>. - -AC_DEFUN([gt_LC_MESSAGES], -[ - AC_CACHE_CHECK([for LC_MESSAGES], [gt_cv_val_LC_MESSAGES], - [AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <locale.h>]], - [[return LC_MESSAGES]])], - [gt_cv_val_LC_MESSAGES=yes], - [gt_cv_val_LC_MESSAGES=no])]) - if test $gt_cv_val_LC_MESSAGES = yes; then - AC_DEFINE([HAVE_LC_MESSAGES], [1], - [Define if your <locale.h> file defines LC_MESSAGES.]) - fi -]) diff --git a/m4/lock.m4 b/m4/lock.m4 @@ -1,47 +0,0 @@ -# lock.m4 serial 14 -dnl Copyright (C) 2005-2021 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Bruno Haible. - -AC_DEFUN([gl_LOCK], -[ - AC_REQUIRE([gl_THREADLIB]) - if test "$gl_threads_api" = posix; then - # OSF/1 4.0 and Mac OS X 10.1 lack the pthread_rwlock_t type and the - # pthread_rwlock_* functions. - has_rwlock=false - AC_CHECK_TYPE([pthread_rwlock_t], - [has_rwlock=true - AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1], - [Define if the POSIX multithreading library has read/write locks.])], - [], - [#include <pthread.h>]) - if $has_rwlock; then - gl_PTHREAD_RWLOCK_RDLOCK_PREFER_WRITER - fi - # glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro. - AC_COMPILE_IFELSE([ - AC_LANG_PROGRAM( - [[#include <pthread.h>]], - [[ -#if __FreeBSD__ == 4 -error "No, in FreeBSD 4.0 recursive mutexes actually don't work." -#elif (defined __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ \ - && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070) -error "No, in Mac OS X < 10.7 recursive mutexes actually don't work." -#else -int x = (int)PTHREAD_MUTEX_RECURSIVE; -return !x; -#endif - ]])], - [AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], [1], - [Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])]) - fi - gl_PREREQ_LOCK -]) - -# Prerequisites of lib/glthread/lock.c. -AC_DEFUN([gl_PREREQ_LOCK], [:]) diff --git a/m4/longlong.m4 b/m4/longlong.m4 @@ -1,113 +0,0 @@ -# longlong.m4 serial 19 -dnl Copyright (C) 1999-2007, 2009-2021 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Paul Eggert. - -AC_PREREQ([2.62]) - -# Define HAVE_LONG_LONG_INT if 'long long int' works. -# This can be faster than what's in Autoconf 2.62 through 2.68. - -# Note: If the type 'long long int' exists but is only 32 bits large -# (as on some very old compilers), HAVE_LONG_LONG_INT will not be -# defined. In this case you can treat 'long long int' like 'long int'. - -AC_DEFUN([AC_TYPE_LONG_LONG_INT], -[ - AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) - AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int], - [ac_cv_type_long_long_int=yes - if test "x${ac_cv_prog_cc_c99-no}" = xno; then - ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int - if test $ac_cv_type_long_long_int = yes; then - dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004. - dnl If cross compiling, assume the bug is not important, since - dnl nobody cross compiles for this platform as far as we know. - AC_RUN_IFELSE( - [AC_LANG_PROGRAM( - [[#include <limits.h> - #ifndef LLONG_MAX - # define HALF \ - (1LL << (sizeof (long long int) * CHAR_BIT - 2)) - # define LLONG_MAX (HALF - 1 + HALF) - #endif]], - [[long long int n = 1; - int i; - for (i = 0; ; i++) - { - long long int m = n << i; - if (m >> i != n) - return 1; - if (LLONG_MAX / 2 < m) - break; - } - return 0;]])], - [], - [ac_cv_type_long_long_int=no], - [:]) - fi - fi]) - if test $ac_cv_type_long_long_int = yes; then - AC_DEFINE([HAVE_LONG_LONG_INT], [1], - [Define to 1 if the system has the type 'long long int'.]) - fi -]) - -# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works. -# This can be faster than what's in Autoconf 2.62 through 2.68. - -# Note: If the type 'unsigned long long int' exists but is only 32 bits -# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT -# will not be defined. In this case you can treat 'unsigned long long int' -# like 'unsigned long int'. - -AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT], -[ - AC_CACHE_CHECK([for unsigned long long int], - [ac_cv_type_unsigned_long_long_int], - [ac_cv_type_unsigned_long_long_int=yes - if test "x${ac_cv_prog_cc_c99-no}" = xno; then - AC_LINK_IFELSE( - [_AC_TYPE_LONG_LONG_SNIPPET], - [], - [ac_cv_type_unsigned_long_long_int=no]) - fi]) - if test $ac_cv_type_unsigned_long_long_int = yes; then - AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1], - [Define to 1 if the system has the type 'unsigned long long int'.]) - fi -]) - -# Expands to a C program that can be used to test for simultaneous support -# of 'long long' and 'unsigned long long'. We don't want to say that -# 'long long' is available if 'unsigned long long' is not, or vice versa, -# because too many programs rely on the symmetry between signed and unsigned -# integer types (excluding 'bool'). -AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET], -[ - AC_LANG_PROGRAM( - [[/* For now, do not test the preprocessor; as of 2007 there are too many - implementations with broken preprocessors. Perhaps this can - be revisited in 2012. In the meantime, code should not expect - #if to work with literals wider than 32 bits. */ - /* Test literals. */ - long long int ll = 9223372036854775807ll; - long long int nll = -9223372036854775807LL; - unsigned long long int ull = 18446744073709551615ULL; - /* Test constant expressions. */ - typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll) - ? 1 : -1)]; - typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1 - ? 1 : -1)]; - int i = 63;]], - [[/* Test availability of runtime routines for shift and division. */ - long long int llmax = 9223372036854775807ll; - unsigned long long int ullmax = 18446744073709551615ull; - return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i) - | (llmax / ll) | (llmax % ll) - | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i) - | (ullmax / ull) | (ullmax % ull));]]) -]) diff --git a/m4/printf-posix.m4 b/m4/printf-posix.m4 @@ -1,48 +0,0 @@ -# printf-posix.m4 serial 6 (gettext-0.18.2) -dnl Copyright (C) 2003, 2007, 2009-2016 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 From Bruno Haible. -dnl Test whether the printf() function supports POSIX/XSI format strings with -dnl positions. - -AC_DEFUN([gt_PRINTF_POSIX], -[ - AC_REQUIRE([AC_PROG_CC]) - AC_CACHE_CHECK([whether printf() supports POSIX/XSI format strings], - gt_cv_func_printf_posix, - [ - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include <stdio.h> -#include <string.h> -/* The string "%2$d %1$d", with dollar characters protected from the shell's - dollar expansion (possibly an autoconf bug). */ -static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' }; -static char buf[100]; -int main () -{ - sprintf (buf, format, 33, 55); - return (strcmp (buf, "55 33") != 0); -}]])], - [gt_cv_func_printf_posix=yes], - [gt_cv_func_printf_posix=no], - [ - AC_EGREP_CPP([notposix], [ -#if defined __NetBSD__ || defined __BEOS__ || defined _MSC_VER || defined __MINGW32__ || defined __CYGWIN__ - notposix -#endif - ], - [gt_cv_func_printf_posix="guessing no"], - [gt_cv_func_printf_posix="guessing yes"]) - ]) - ]) - case $gt_cv_func_printf_posix in - *yes) - AC_DEFINE([HAVE_POSIX_PRINTF], [1], - [Define if your printf() function supports format strings with positions.]) - ;; - esac -]) diff --git a/m4/size_max.m4 b/m4/size_max.m4 @@ -1,75 +0,0 @@ -# size_max.m4 serial 12 -dnl Copyright (C) 2003, 2005-2006, 2008-2021 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 From Bruno Haible. - -AC_PREREQ([2.61]) - -AC_DEFUN([gl_SIZE_MAX], -[ - AC_CHECK_HEADERS([stdint.h]) - dnl First test whether the system already has SIZE_MAX. - AC_CACHE_CHECK([for SIZE_MAX], [gl_cv_size_max], [ - gl_cv_size_max=no - AC_EGREP_CPP([Found it], [ -#include <limits.h> -#if HAVE_STDINT_H -#include <stdint.h> -#endif -#ifdef SIZE_MAX -Found it -#endif -], [gl_cv_size_max=yes]) - if test $gl_cv_size_max != yes; then - dnl Define it ourselves. Here we assume that the type 'size_t' is not wider - dnl than the type 'unsigned long'. Try hard to find a definition that can - dnl be used in a preprocessor #if, i.e. doesn't contain a cast. - AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1], - [#include <stddef.h> -#include <limits.h>], [size_t_bits_minus_1=]) - AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)], - [#include <stddef.h>], [fits_in_uint=]) - if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then - if test $fits_in_uint = 1; then - dnl Even though SIZE_MAX fits in an unsigned int, it must be of type - dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'. - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include <stddef.h> - extern size_t foo; - extern unsigned long foo; - ]], - [[]])], - [fits_in_uint=0]) - fi - dnl We cannot use 'expr' to simplify this expression, because 'expr' - dnl works only with 'long' integers in the host environment, while we - dnl might be cross-compiling from a 32-bit platform to a 64-bit platform. - if test $fits_in_uint = 1; then - gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)" - else - gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)" - fi - else - dnl Shouldn't happen, but who knows... - gl_cv_size_max='((size_t)~(size_t)0)' - fi - fi - ]) - if test "$gl_cv_size_max" != yes; then - AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max], - [Define as the maximum value of type 'size_t', if the system doesn't define it.]) - fi - dnl Don't redefine SIZE_MAX in config.h if config.h is re-included after - dnl <stdint.h>. Remember that the #undef in AH_VERBATIM gets replaced with - dnl #define by AC_DEFINE_UNQUOTED. - AH_VERBATIM([SIZE_MAX], -[/* Define as the maximum value of type 'size_t', if the system doesn't define - it. */ -#ifndef SIZE_MAX -# undef SIZE_MAX -#endif]) -]) diff --git a/m4/stdint_h.m4 b/m4/stdint_h.m4 @@ -1,27 +0,0 @@ -# stdint_h.m4 serial 9 -dnl Copyright (C) 1997-2004, 2006, 2008-2016 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 From Paul Eggert. - -# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists, -# doesn't clash with <sys/types.h>, and declares uintmax_t. - -AC_DEFUN([gl_AC_HEADER_STDINT_H], -[ - AC_CACHE_CHECK([for stdint.h], [gl_cv_header_stdint_h], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include <sys/types.h> - #include <stdint.h>]], - [[uintmax_t i = (uintmax_t) -1; return !i;]])], - [gl_cv_header_stdint_h=yes], - [gl_cv_header_stdint_h=no])]) - if test $gl_cv_header_stdint_h = yes; then - AC_DEFINE_UNQUOTED([HAVE_STDINT_H_WITH_UINTMAX], [1], - [Define if <stdint.h> exists, doesn't clash with <sys/types.h>, - and declares uintmax_t. ]) - fi -]) diff --git a/m4/threadlib.m4 b/m4/threadlib.m4 @@ -1,622 +0,0 @@ -# threadlib.m4 serial 29 -dnl Copyright (C) 2005-2021 Free Software Foundation, Inc. -dnl This file is free software; the Free Software Foundation -dnl gives unlimited permission to copy and/or distribute it, -dnl with or without modifications, as long as this notice is preserved. - -dnl From Bruno Haible. - -AC_PREREQ([2.60]) - -dnl The general structure of the multithreading modules in gnulib is that we -dnl have three set of modules: -dnl -dnl * POSIX API: -dnl pthread, which combines -dnl pthread-h -dnl pthread-thread -dnl pthread-once -dnl pthread-mutex -dnl pthread-rwlock -dnl pthread-cond -dnl pthread-tss -dnl pthread-spin -dnl sched_yield -dnl -dnl * ISO C API: -dnl threads, which combines -dnl threads-h -dnl thrd -dnl mtx -dnl cnd -dnl tss -dnl -dnl * Gnulib API, with an implementation that can be chosen at configure -dnl time through the option --enable-threads=... -dnl thread -dnl lock -dnl cond -dnl tls -dnl yield -dnl -dnl They are independent, except for the fact that -dnl - the implementation of the ISO C API may use the POSIX (or some other -dnl platform dependent) API, -dnl - the implementation of the Gnulib API may use the POSIX or ISO C or -dnl some other platform dependent API, depending on the --enable-threads -dnl option. -dnl -dnl This file contains macros for all of these APIs! - -dnl ============================================================================ -dnl Macros for all thread APIs - -AC_DEFUN([gl_ANYTHREADLIB_EARLY], -[ - AC_REQUIRE([AC_CANONICAL_HOST]) - if test -z "$gl_anythreadlib_early_done"; then - case "$host_os" in - osf*) - # On OSF/1, the compiler needs the flag -D_REENTRANT so that it - # groks <pthread.h>. cc also understands the flag -pthread, but - # we don't use it because 1. gcc-2.95 doesn't understand -pthread, - # 2. putting a flag into CPPFLAGS that has an effect on the linker - # causes the AC_LINK_IFELSE test below to succeed unexpectedly, - # leading to wrong values of LIBTHREAD and LTLIBTHREAD. - CPPFLAGS="$CPPFLAGS -D_REENTRANT" - ;; - esac - # Some systems optimize for single-threaded programs by default, and - # need special flags to disable these optimizations. For example, the - # definition of 'errno' in <errno.h>. - case "$host_os" in - aix* | freebsd*) CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE" ;; - solaris*) CPPFLAGS="$CPPFLAGS -D_REENTRANT" ;; - esac - gl_anythreadlib_early_done=done - fi -]) - -dnl Checks whether the compiler and linker support weak declarations of symbols. - -AC_DEFUN([gl_WEAK_SYMBOLS], -[ - AC_REQUIRE([AC_CANONICAL_HOST]) - AC_CACHE_CHECK([whether imported symbols can be declared weak], - [gl_cv_have_weak], - [gl_cv_have_weak=no - dnl First, test whether the compiler accepts it syntactically. - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[extern void xyzzy (); -#pragma weak xyzzy]], - [[xyzzy();]])], - [gl_cv_have_weak=maybe]) - if test $gl_cv_have_weak = maybe; then - dnl Second, test whether it actually works. On Cygwin 1.7.2, with - dnl gcc 4.3, symbols declared weak always evaluate to the address 0. - AC_RUN_IFELSE( - [AC_LANG_SOURCE([[ -#include <stdio.h> -#pragma weak fputs -int main () -{ - return (fputs == NULL); -}]])], - [gl_cv_have_weak=yes], - [gl_cv_have_weak=no], - [dnl When cross-compiling, assume that only ELF platforms support - dnl weak symbols. - AC_EGREP_CPP([Extensible Linking Format], - [#ifdef __ELF__ - Extensible Linking Format - #endif - ], - [gl_cv_have_weak="guessing yes"], - [gl_cv_have_weak="guessing no"]) - ]) - fi - dnl But when linking statically, weak symbols don't work. - case " $LDFLAGS " in - *" -static "*) gl_cv_have_weak=no ;; - esac - dnl Test for a bug in FreeBSD 11: A link error occurs when using a weak - dnl symbol and linking against a shared library that has a dependency on - dnl the shared library that defines the symbol. - case "$gl_cv_have_weak" in - *yes) - case "$host_os" in - freebsd* | dragonfly*) - : > conftest1.c - $CC $CPPFLAGS $CFLAGS $LDFLAGS -fPIC -shared -o libempty.so conftest1.c -lpthread >&AS_MESSAGE_LOG_FD 2>&1 - cat <<EOF > conftest2.c -#include <pthread.h> -#pragma weak pthread_mutexattr_gettype -int main () -{ - return (pthread_mutexattr_gettype != NULL); -} -EOF - $CC $CPPFLAGS $CFLAGS $LDFLAGS -o conftest conftest2.c libempty.so >&AS_MESSAGE_LOG_FD 2>&1 \ - || gl_cv_have_weak=no - rm -f conftest1.c libempty.so conftest2.c conftest - ;; - esac - ;; - esac - ]) - case "$gl_cv_have_weak" in - *yes) - AC_DEFINE([HAVE_WEAK_SYMBOLS], [1], - [Define to 1 if the compiler and linker support weak declarations of symbols.]) - ;; - esac -]) - -dnl ============================================================================ -dnl Macros for the POSIX API - -dnl gl_PTHREADLIB -dnl ------------- -dnl Tests for the libraries needs for using the POSIX threads API. -dnl Sets the variable LIBPTHREAD to the linker options for use in a Makefile. -dnl Sets the variable LIBPMULTITHREAD, for programs that really need -dnl multithread functionality. The difference between LIBPTHREAD and -dnl LIBPMULTITHREAD is that on platforms supporting weak symbols, typically -dnl LIBPTHREAD is empty whereas LIBPMULTITHREAD is not. -dnl Sets the variable LIB_SCHED_YIELD to the linker options needed to use the -dnl sched_yield() function. -dnl Adds to CPPFLAGS the flag -D_REENTRANT or -D_THREAD_SAFE if needed for -dnl multithread-safe programs. -dnl Defines the C macro HAVE_PTHREAD_API if (at least parts of) the POSIX -dnl threads API is available. - -dnl The guts of gl_PTHREADLIB. Needs to be expanded only once. - -AC_DEFUN([gl_PTHREADLIB_BODY], -[ - AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) - if test -z "$gl_pthreadlib_body_done"; then - gl_pthread_api=no - LIBPTHREAD= - LIBPMULTITHREAD= - # On OSF/1, the compiler needs the flag -pthread or -D_REENTRANT so that - # it groks <pthread.h>. It's added above, in gl_ANYTHREADLIB_EARLY. - AC_CHECK_HEADER([pthread.h], - [gl_have_pthread_h=yes], [gl_have_pthread_h=no]) - if test "$gl_have_pthread_h" = yes; then - # Other possible tests: - # -lpthreads (FSU threads, PCthreads) - # -lgthreads - # Test whether both pthread_mutex_lock and pthread_mutexattr_init exist - # in libc. IRIX 6.5 has the first one in both libc and libpthread, but - # the second one only in libpthread, and lock.c needs it. - # - # If -pthread works, prefer it to -lpthread, since Ubuntu 14.04 - # needs -pthread for some reason. See: - # https://lists.gnu.org/r/bug-gnulib/2014-09/msg00023.html - save_LIBS=$LIBS - for gl_pthread in '' '-pthread'; do - LIBS="$LIBS $gl_pthread" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <pthread.h> - pthread_mutex_t m; - pthread_mutexattr_t ma; - ]], - [[pthread_mutex_lock (&m); - pthread_mutexattr_init (&ma);]])], - [gl_pthread_api=yes - LIBPTHREAD=$gl_pthread - LIBPMULTITHREAD=$gl_pthread]) - LIBS=$save_LIBS - test $gl_pthread_api = yes && break - done - - # Test for libpthread by looking for pthread_kill. (Not pthread_self, - # since it is defined as a macro on OSF/1.) - if test $gl_pthread_api = yes && test -z "$LIBPTHREAD"; then - # The program links fine without libpthread. But it may actually - # need to link with libpthread in order to create multiple threads. - AC_CHECK_LIB([pthread], [pthread_kill], - [LIBPMULTITHREAD=-lpthread - # On Solaris and HP-UX, most pthread functions exist also in libc. - # Therefore pthread_in_use() needs to actually try to create a - # thread: pthread_create from libc will fail, whereas - # pthread_create will actually create a thread. - # On Solaris 10 or newer, this test is no longer needed, because - # libc contains the fully functional pthread functions. - case "$host_os" in - solaris | solaris2.[1-9] | solaris2.[1-9].* | hpux*) - AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], [1], - [Define if the pthread_in_use() detection is hard.]) - esac - ]) - elif test $gl_pthread_api != yes; then - # Some library is needed. Try libpthread and libc_r. - AC_CHECK_LIB([pthread], [pthread_kill], - [gl_pthread_api=yes - LIBPTHREAD=-lpthread - LIBPMULTITHREAD=-lpthread]) - if test $gl_pthread_api != yes; then - # For FreeBSD 4. - AC_CHECK_LIB([c_r], [pthread_kill], - [gl_pthread_api=yes - LIBPTHREAD=-lc_r - LIBPMULTITHREAD=-lc_r]) - fi - fi - fi - AC_MSG_CHECKING([whether POSIX threads API is available]) - AC_MSG_RESULT([$gl_pthread_api]) - AC_SUBST([LIBPTHREAD]) - AC_SUBST([LIBPMULTITHREAD]) - if test $gl_pthread_api = yes; then - AC_DEFINE([HAVE_PTHREAD_API], [1], - [Define if you have the <pthread.h> header and the POSIX threads API.]) - fi - - dnl On some systems, sched_yield is in librt, rather than in libpthread. - AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <sched.h>]], - [[sched_yield ();]])], - [LIB_SCHED_YIELD= - ], - [dnl Solaris 7...10 has sched_yield in librt, not in libpthread or libc. - AC_CHECK_LIB([rt], [sched_yield], [LIB_SCHED_YIELD=-lrt], - [dnl Solaris 2.5.1, 2.6 has sched_yield in libposix4, not librt. - AC_CHECK_LIB([posix4], [sched_yield], [LIB_SCHED_YIELD=-lposix4])]) - ]) - AC_SUBST([LIB_SCHED_YIELD]) - - gl_pthreadlib_body_done=done - fi -]) - -AC_DEFUN([gl_PTHREADLIB], -[ - AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) - gl_PTHREADLIB_BODY -]) - -dnl ============================================================================ -dnl Macros for the ISO C API - -dnl gl_STDTHREADLIB -dnl --------------- -dnl Tests for the libraries needs for using the ISO C threads API. -dnl Sets the variable LIBSTDTHREAD to the linker options for use in a Makefile. -dnl Adds to CPPFLAGS the flag -D_REENTRANT or -D_THREAD_SAFE if needed for -dnl multithread-safe programs. -dnl Defines the C macro HAVE_THREADS_H if (at least parts of) the ISO C threads -dnl API is available. - -dnl The guts of gl_STDTHREADLIB. Needs to be expanded only once. - -AC_DEFUN([gl_STDTHREADLIB_BODY], -[ - AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) - AC_REQUIRE([AC_CANONICAL_HOST]) - if test -z "$gl_stdthreadlib_body_done"; then - AC_CHECK_HEADERS_ONCE([threads.h]) - - case "$host_os" in - mingw*) - LIBSTDTHREAD= - ;; - *) - gl_PTHREADLIB_BODY - if test $ac_cv_header_threads_h = yes; then - dnl glibc >= 2.29 has thrd_create in libpthread. - dnl FreeBSD >= 10 has thrd_create in libstdthreads; this library depends - dnl on libpthread (for the symbol 'pthread_mutexattr_gettype'). - dnl AIX >= 7.1 and Solaris >= 11.4 have thrd_create in libc. - AC_CHECK_FUNCS([thrd_create]) - if test $ac_cv_func_thrd_create = yes; then - LIBSTDTHREAD= - else - AC_CHECK_LIB([stdthreads], [thrd_create], [ - LIBSTDTHREAD='-lstdthreads -lpthread' - ], [ - dnl Guess that thrd_create is in libpthread. - LIBSTDTHREAD="$LIBPMULTITHREAD" - ]) - fi - else - dnl Libraries needed by thrd.c, mtx.c, cnd.c, tss.c. - LIBSTDTHREAD="$LIBPMULTITHREAD $LIB_SCHED_YIELD" - fi - ;; - esac - AC_SUBST([LIBSTDTHREAD]) - - AC_MSG_CHECKING([whether ISO C threads API is available]) - AC_MSG_RESULT([$ac_cv_header_threads_h]) - gl_stdthreadlib_body_done=done - fi -]) - -AC_DEFUN([gl_STDTHREADLIB], -[ - AC_REQUIRE([gl_ANYTHREADLIB_EARLY]) - gl_STDTHREADLIB_BODY -]) - -dnl ============================================================================ -dnl Macros for the Gnulib API - -dnl gl_THREADLIB -dnl ------------ -dnl Tests for a multithreading library to be used. -dnl If the configure.ac contains a definition of the gl_THREADLIB_DEFAULT_NO -dnl (it must be placed before the invocation of gl_THREADLIB_EARLY!), then the -dnl default is 'no', otherwise it is system dependent. In both cases, the user -dnl can change the choice through the options --enable-threads=choice or -dnl --disable-threads. -dnl Defines at most one of the macros USE_ISOC_THREADS, USE_POSIX_THREADS, -dnl USE_ISOC_AND_POSIX_THREADS, USE_WINDOWS_THREADS. -dnl The choice --enable-threads=isoc+posix is available only on platforms that -dnl have both the ISO C and the POSIX threads APIs. It has the effect of using -dnl the ISO C API for most things and the POSIX API only for creating and -dnl controlling threads (because there is no equivalent to pthread_atfork in -dnl the ISO C API). -dnl Sets the variables LIBTHREAD and LTLIBTHREAD to the linker options for use -dnl in a Makefile (LIBTHREAD for use without libtool, LTLIBTHREAD for use with -dnl libtool). -dnl Sets the variables LIBMULTITHREAD and LTLIBMULTITHREAD similarly, for -dnl programs that really need multithread functionality. The difference -dnl between LIBTHREAD and LIBMULTITHREAD is that on platforms supporting weak -dnl symbols, typically LIBTHREAD is empty whereas LIBMULTITHREAD is not. -dnl Adds to CPPFLAGS the flag -D_REENTRANT or -D_THREAD_SAFE if needed for -dnl multithread-safe programs. -dnl Since support for GNU pth was removed, $LTLIBTHREAD and $LIBTHREAD have the -dnl same value, and similarly $LTLIBMULTITHREAD and $LIBMULTITHREAD have the -dnl same value. Only system libraries are needed. - -AC_DEFUN([gl_THREADLIB_EARLY], -[ - AC_REQUIRE([gl_THREADLIB_EARLY_BODY]) -]) - -dnl The guts of gl_THREADLIB_EARLY. Needs to be expanded only once. - -AC_DEFUN([gl_THREADLIB_EARLY_BODY], -[ - dnl Ordering constraints: This macro modifies CPPFLAGS in a way that - dnl influences the result of the autoconf tests that test for *_unlocked - dnl declarations, on AIX 5 at least. Therefore it must come early. - AC_BEFORE([$0], [gl_FUNC_GLIBC_UNLOCKED_IO])dnl - AC_BEFORE([$0], [gl_ARGP])dnl - - AC_REQUIRE([AC_CANONICAL_HOST]) - dnl _GNU_SOURCE is needed for pthread_rwlock_t on glibc systems. - AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) - dnl Check for multithreading. - m4_ifdef([gl_THREADLIB_DEFAULT_NO], - [m4_divert_text([DEFAULTS], [gl_use_threads_default=no])], - [m4_divert_text([DEFAULTS], [gl_use_threads_default=])]) - m4_divert_text([DEFAULTS], [gl_use_winpthreads_default=]) - AC_ARG_ENABLE([threads], -AS_HELP_STRING([--enable-threads={isoc|posix|isoc+posix|windows}], [specify multithreading API])m4_ifdef([gl_THREADLIB_DEFAULT_NO], [], [ -AS_HELP_STRING([--disable-threads], [build without multithread safety])]), - [gl_use_threads=$enableval], - [if test -n "$gl_use_threads_default"; then - gl_use_threads="$gl_use_threads_default" - else -changequote(,)dnl - case "$host_os" in - dnl Disable multithreading by default on OSF/1, because it interferes - dnl with fork()/exec(): When msgexec is linked with -lpthread, its - dnl child process gets an endless segmentation fault inside execvp(). - osf*) gl_use_threads=no ;; - dnl Disable multithreading by default on Cygwin 1.5.x, because it has - dnl bugs that lead to endless loops or crashes. See - dnl <https://cygwin.com/ml/cygwin/2009-08/msg00283.html>. - cygwin*) - case `uname -r` in - 1.[0-5].*) gl_use_threads=no ;; - *) gl_use_threads=yes ;; - esac - ;; - dnl Obey gl_AVOID_WINPTHREAD on mingw. - mingw*) - case "$gl_use_winpthreads_default" in - yes) gl_use_threads=posix ;; - no) gl_use_threads=windows ;; - *) gl_use_threads=yes ;; - esac - ;; - *) gl_use_threads=yes ;; - esac -changequote([,])dnl - fi - ]) - if test "$gl_use_threads" = yes \ - || test "$gl_use_threads" = isoc \ - || test "$gl_use_threads" = posix \ - || test "$gl_use_threads" = isoc+posix; then - # For using <threads.h> or <pthread.h>: - gl_ANYTHREADLIB_EARLY - fi -]) - -dnl The guts of gl_THREADLIB. Needs to be expanded only once. - -AC_DEFUN([gl_THREADLIB_BODY], -[ - AC_REQUIRE([gl_THREADLIB_EARLY_BODY]) - gl_threads_api=none - LIBTHREAD= - LTLIBTHREAD= - LIBMULTITHREAD= - LTLIBMULTITHREAD= - if test "$gl_use_threads" != no; then - dnl Check whether the compiler and linker support weak declarations. - gl_WEAK_SYMBOLS - if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then - dnl If we use weak symbols to implement pthread_in_use / pth_in_use / - dnl thread_in_use, we also need to test whether the ISO C 11 thrd_create - dnl facility is in use. - AC_CHECK_HEADERS_ONCE([threads.h]) - : - fi - if test "$gl_use_threads" = isoc || test "$gl_use_threads" = isoc+posix; then - AC_CHECK_HEADERS_ONCE([threads.h]) - gl_have_isoc_threads="$ac_cv_header_threads_h" - fi - if test "$gl_use_threads" = yes \ - || test "$gl_use_threads" = posix \ - || test "$gl_use_threads" = isoc+posix; then - gl_PTHREADLIB_BODY - LIBTHREAD=$LIBPTHREAD LTLIBTHREAD=$LIBPTHREAD - LIBMULTITHREAD=$LIBPMULTITHREAD LTLIBMULTITHREAD=$LIBPMULTITHREAD - if test $gl_pthread_api = yes; then - if test "$gl_use_threads" = isoc+posix && test "$gl_have_isoc_threads" = yes; then - gl_threads_api='isoc+posix' - AC_DEFINE([USE_ISOC_AND_POSIX_THREADS], [1], - [Define if the combination of the ISO C and POSIX multithreading APIs can be used.]) - LIBTHREAD= LTLIBTHREAD= - else - gl_threads_api=posix - AC_DEFINE([USE_POSIX_THREADS], [1], - [Define if the POSIX multithreading library can be used.]) - if test -n "$LIBMULTITHREAD" || test -n "$LTLIBMULTITHREAD"; then - if case "$gl_cv_have_weak" in *yes) true;; *) false;; esac; then - AC_DEFINE([USE_POSIX_THREADS_WEAK], [1], - [Define if references to the POSIX multithreading library should be made weak.]) - LIBTHREAD= LTLIBTHREAD= - else - case "$host_os" in - freebsd* | dragonfly*) - if test "x$LIBTHREAD" != "x$LIBMULTITHREAD"; then - dnl If weak symbols can't tell whether pthread_create(), pthread_key_create() - dnl etc. will succeed, we need a runtime test. - AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD], [1], - [Define if the pthread_in_use() detection is hard.]) - fi - ;; - esac - fi - fi - fi - fi - fi - if test $gl_threads_api = none; then - if test "$gl_use_threads" = isoc && test "$gl_have_isoc_threads" = yes; then - gl_STDTHREADLIB_BODY - LIBTHREAD=$LIBSTDTHREAD LTLIBTHREAD=$LIBSTDTHREAD - LIBMULTITHREAD=$LIBSTDTHREAD LTLIBMULTITHREAD=$LIBSTDTHREAD - gl_threads_api=isoc - AC_DEFINE([USE_ISOC_THREADS], [1], - [Define if the ISO C multithreading library can be used.]) - fi - fi - if test $gl_threads_api = none; then - case "$gl_use_threads" in - yes | windows | win32) # The 'win32' is for backward compatibility. - if { case "$host_os" in - mingw*) true;; - *) false;; - esac - }; then - gl_threads_api=windows - AC_DEFINE([USE_WINDOWS_THREADS], [1], - [Define if the native Windows multithreading API can be used.]) - fi - ;; - esac - fi - fi - AC_MSG_CHECKING([for multithread API to use]) - AC_MSG_RESULT([$gl_threads_api]) - AC_SUBST([LIBTHREAD]) - AC_SUBST([LTLIBTHREAD]) - AC_SUBST([LIBMULTITHREAD]) - AC_SUBST([LTLIBMULTITHREAD]) -]) - -AC_DEFUN([gl_THREADLIB], -[ - AC_REQUIRE([gl_THREADLIB_EARLY]) - AC_REQUIRE([gl_THREADLIB_BODY]) -]) - - -dnl gl_DISABLE_THREADS -dnl ------------------ -dnl Sets the gl_THREADLIB default so that threads are not used by default. -dnl The user can still override it at installation time, by using the -dnl configure option '--enable-threads'. - -AC_DEFUN([gl_DISABLE_THREADS], [ - m4_divert_text([INIT_PREPARE], [gl_use_threads_default=no]) -]) - - -dnl gl_AVOID_WINPTHREAD -dnl ------------------- -dnl Sets the gl_THREADLIB default so that on mingw, a dependency to the -dnl libwinpthread DLL (mingw-w64 winpthreads library) is avoided. -dnl The user can still override it at installation time, by using the -dnl configure option '--enable-threads'. - -AC_DEFUN([gl_AVOID_WINPTHREAD], [ - m4_divert_text([INIT_PREPARE], [gl_use_winpthreads_default=no]) -]) - - -dnl ============================================================================ - - -dnl Survey of platforms: -dnl -dnl Platform Available Compiler Supports test-lock -dnl flavours option weak result -dnl --------------- --------- --------- -------- --------- -dnl Linux 2.4/glibc posix -lpthread Y OK -dnl -dnl GNU Hurd/glibc posix -dnl -dnl Ubuntu 14.04 posix -pthread Y OK -dnl -dnl FreeBSD 5.3 posix -lc_r Y -dnl posix -lkse ? Y -dnl posix -lpthread ? Y -dnl posix -lthr Y -dnl -dnl FreeBSD 5.2 posix -lc_r Y -dnl posix -lkse Y -dnl posix -lthr Y -dnl -dnl FreeBSD 4.0,4.10 posix -lc_r Y OK -dnl -dnl NetBSD 1.6 -- -dnl -dnl OpenBSD 3.4 posix -lpthread Y OK -dnl -dnl Mac OS X 10.[123] posix -lpthread Y OK -dnl -dnl Solaris 7,8,9 posix -lpthread Y Sol 7,8: 0.0; Sol 9: OK -dnl -dnl HP-UX 11 posix -lpthread N (cc) OK -dnl Y (gcc) -dnl -dnl IRIX 6.5 posix -lpthread Y 0.5 -dnl -dnl AIX 4.3,5.1 posix -lpthread N AIX 4: 0.5; AIX 5: OK -dnl -dnl OSF/1 4.0,5.1 posix -pthread (cc) N OK -dnl -lpthread (gcc) Y -dnl -dnl Cygwin posix -lpthread Y OK -dnl -dnl Mingw windows N OK -dnl -dnl BeOS 5 -- -dnl -dnl The test-lock result shows what happens if in test-lock.c EXPLICIT_YIELD is -dnl turned off: -dnl OK if all three tests terminate OK, -dnl 0.5 if the first test terminates OK but the second one loops endlessly, -dnl 0.0 if the first test already loops endlessly. diff --git a/m4/uintmax_t.m4 b/m4/uintmax_t.m4 @@ -1,30 +0,0 @@ -# uintmax_t.m4 serial 12 -dnl Copyright (C) 1997-2004, 2007-2010 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 From Paul Eggert. - -AC_PREREQ([2.13]) - -# Define uintmax_t to 'unsigned long' or 'unsigned long long' -# if it is not already defined in <stdint.h> or <inttypes.h>. - -AC_DEFUN([gl_AC_TYPE_UINTMAX_T], -[ - AC_REQUIRE([gl_AC_HEADER_INTTYPES_H]) - AC_REQUIRE([gl_AC_HEADER_STDINT_H]) - if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then - AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT]) - test $ac_cv_type_unsigned_long_long_int = yes \ - && ac_type='unsigned long long' \ - || ac_type='unsigned long' - AC_DEFINE_UNQUOTED([uintmax_t], [$ac_type], - [Define to unsigned long or unsigned long long - if <stdint.h> and <inttypes.h> don't define.]) - else - AC_DEFINE([HAVE_UINTMAX_T], [1], - [Define if you have the 'uintmax_t' type in <stdint.h> or <inttypes.h>.]) - fi -]) diff --git a/m4/visibility.m4 b/m4/visibility.m4 @@ -1,77 +0,0 @@ -# visibility.m4 serial 6 -dnl Copyright (C) 2005, 2008, 2010-2021 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 From Bruno Haible. - -dnl Tests whether the compiler supports the command-line option -dnl -fvisibility=hidden and the function and variable attributes -dnl __attribute__((__visibility__("hidden"))) and -dnl __attribute__((__visibility__("default"))). -dnl Does *not* test for __visibility__("protected") - which has tricky -dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on -dnl Mac OS X. -dnl Does *not* test for __visibility__("internal") - which has processor -dnl dependent semantics. -dnl Does *not* test for #pragma GCC visibility push(hidden) - which is -dnl "really only recommended for legacy code". -dnl Set the variable CFLAG_VISIBILITY. -dnl Defines and sets the variable HAVE_VISIBILITY. - -AC_DEFUN([gl_VISIBILITY], -[ - AC_REQUIRE([AC_PROG_CC]) - CFLAG_VISIBILITY= - HAVE_VISIBILITY=0 - if test -n "$GCC"; then - dnl First, check whether -Werror can be added to the command line, or - dnl whether it leads to an error because of some other option that the - dnl user has put into $CC $CFLAGS $CPPFLAGS. - AC_CACHE_CHECK([whether the -Werror option is usable], - [gl_cv_cc_vis_werror], - [gl_save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -Werror" - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM([[]], [[]])], - [gl_cv_cc_vis_werror=yes], - [gl_cv_cc_vis_werror=no]) - CFLAGS="$gl_save_CFLAGS" - ]) - dnl Now check whether visibility declarations are supported. - AC_CACHE_CHECK([for simple visibility declarations], - [gl_cv_cc_visibility], - [gl_save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -fvisibility=hidden" - dnl We use the option -Werror and a function dummyfunc, because on some - dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning - dnl "visibility attribute not supported in this configuration; ignored" - dnl at the first function definition in every compilation unit, and we - dnl don't want to use the option in this case. - if test $gl_cv_cc_vis_werror = yes; then - CFLAGS="$CFLAGS -Werror" - fi - AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[extern __attribute__((__visibility__("hidden"))) int hiddenvar; - extern __attribute__((__visibility__("default"))) int exportedvar; - extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void); - extern __attribute__((__visibility__("default"))) int exportedfunc (void); - void dummyfunc (void) {} - ]], - [[]])], - [gl_cv_cc_visibility=yes], - [gl_cv_cc_visibility=no]) - CFLAGS="$gl_save_CFLAGS" - ]) - if test $gl_cv_cc_visibility = yes; then - CFLAG_VISIBILITY="-fvisibility=hidden" - HAVE_VISIBILITY=1 - fi - fi - AC_SUBST([CFLAG_VISIBILITY]) - AC_SUBST([HAVE_VISIBILITY]) - AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY], - [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.]) -]) diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4 @@ -1,24 +0,0 @@ -# wchar_t.m4 serial 4 (gettext-0.18.2) -dnl Copyright (C) 2002-2003, 2008-2016 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 From Bruno Haible. -dnl Test whether <stddef.h> has the 'wchar_t' type. -dnl Prerequisite: AC_PROG_CC - -AC_DEFUN([gt_TYPE_WCHAR_T], -[ - AC_CACHE_CHECK([for wchar_t], [gt_cv_c_wchar_t], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include <stddef.h> - wchar_t foo = (wchar_t)'\0';]], - [[]])], - [gt_cv_c_wchar_t=yes], - [gt_cv_c_wchar_t=no])]) - if test $gt_cv_c_wchar_t = yes; then - AC_DEFINE([HAVE_WCHAR_T], [1], [Define if you have the 'wchar_t' type.]) - fi -]) diff --git a/m4/wint_t.m4 b/m4/wint_t.m4 @@ -1,57 +0,0 @@ -# wint_t.m4 serial 10 -dnl Copyright (C) 2003, 2007-2021 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 From Bruno Haible. -dnl Test whether <wchar.h> has the 'wint_t' type and whether gnulib's -dnl <wchar.h> or <wctype.h> would, if present, override 'wint_t'. -dnl Prerequisite: AC_PROG_CC - -AC_DEFUN([gt_TYPE_WINT_T], -[ - AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include <wchar.h> - wint_t foo = (wchar_t)'\0';]], - [[]])], - [gt_cv_c_wint_t=yes], - [gt_cv_c_wint_t=no])]) - if test $gt_cv_c_wint_t = yes; then - AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.]) - - dnl Determine whether gnulib's <wchar.h> or <wctype.h> would, if present, - dnl override 'wint_t'. - AC_CACHE_CHECK([whether wint_t is large enough], - [gl_cv_type_wint_t_large_enough], - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include <wchar.h> - int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1]; - ]])], - [gl_cv_type_wint_t_large_enough=yes], - [gl_cv_type_wint_t_large_enough=no])]) - if test $gl_cv_type_wint_t_large_enough = no; then - GNULIB_OVERRIDES_WINT_T=1 - else - GNULIB_OVERRIDES_WINT_T=0 - fi - else - GNULIB_OVERRIDES_WINT_T=0 - fi - AC_SUBST([GNULIB_OVERRIDES_WINT_T]) -]) - -dnl Prerequisites of the 'wint_t' override. -AC_DEFUN([gl_TYPE_WINT_T_PREREQ], -[ - AC_CHECK_HEADERS_ONCE([crtdefs.h]) - if test $ac_cv_header_crtdefs_h = yes; then - HAVE_CRTDEFS_H=1 - else - HAVE_CRTDEFS_H=0 - fi - AC_SUBST([HAVE_CRTDEFS_H]) -]) diff --git a/m4/xsize.m4 b/m4/xsize.m4 @@ -1,12 +0,0 @@ -# xsize.m4 serial 5 -dnl Copyright (C) 2003-2004, 2008-2016 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_DEFUN([gl_XSIZE], -[ - dnl Prerequisites of lib/xsize.h. - AC_REQUIRE([gl_SIZE_MAX]) - AC_CHECK_HEADERS([stdint.h]) -])