From e5a812082ae033afb1eed82c0f2df3d0f6bdc93f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 08:53:20 +0200 Subject: Adding upstream version 2.1.6. Signed-off-by: Daniel Baumann --- m4/00gnulib.m4 | 85 ++++++ m4/CC_CHECK_LDFLAGS.m4 | 21 ++ m4/CHECK_ENUM_VALUE.m4 | 21 ++ m4/CONFIG_FILES_EXEC.m4 | 24 ++ m4/PKG_CHECK_VAR.m4 | 24 ++ m4/REQUIRE_FUNC.m4 | 16 ++ m4/REQUIRE_HEADER.m4 | 16 ++ m4/REQUIRE_LIB.m4 | 15 + m4/ax_check_link_flag.m4 | 74 +++++ m4/byteswap.m4 | 19 ++ m4/extern-inline.m4 | 114 ++++++++ m4/gl-openssl.m4 | 66 +++++ m4/gnulib-cache.m4 | 63 +++++ m4/gnulib-common.m4 | 723 +++++++++++++++++++++++++++++++++++++++++++++++ m4/gnulib-comp.m4 | 221 +++++++++++++++ m4/gnulib-tool.m4 | 57 ++++ m4/md5.m4 | 14 + m4/stdalign.m4 | 57 ++++ m4/version.m4 | 2 + m4/zzgnulib.m4 | 23 ++ 20 files changed, 1655 insertions(+) create mode 100644 m4/00gnulib.m4 create mode 100644 m4/CC_CHECK_LDFLAGS.m4 create mode 100644 m4/CHECK_ENUM_VALUE.m4 create mode 100644 m4/CONFIG_FILES_EXEC.m4 create mode 100644 m4/PKG_CHECK_VAR.m4 create mode 100644 m4/REQUIRE_FUNC.m4 create mode 100644 m4/REQUIRE_HEADER.m4 create mode 100644 m4/REQUIRE_LIB.m4 create mode 100644 m4/ax_check_link_flag.m4 create mode 100644 m4/byteswap.m4 create mode 100644 m4/extern-inline.m4 create mode 100644 m4/gl-openssl.m4 create mode 100644 m4/gnulib-cache.m4 create mode 100644 m4/gnulib-common.m4 create mode 100644 m4/gnulib-comp.m4 create mode 100644 m4/gnulib-tool.m4 create mode 100644 m4/md5.m4 create mode 100644 m4/stdalign.m4 create mode 100644 m4/version.m4 create mode 100644 m4/zzgnulib.m4 (limited to 'm4') diff --git a/m4/00gnulib.m4 b/m4/00gnulib.m4 new file mode 100644 index 0000000..14628c3 --- /dev/null +++ b/m4/00gnulib.m4 @@ -0,0 +1,85 @@ +# 00gnulib.m4 serial 8 +dnl Copyright (C) 2009-2020 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 This file must be named something that sorts before all other +dnl gnulib-provided .m4 files. It is needed until the clang fix has +dnl been included in Autoconf. + +# The following definitions arrange to use a compiler option +# -Werror=implicit-function-declaration in AC_CHECK_DECL, when the +# compiler is clang. Without it, clang implicitly declares "known" +# library functions in C mode, but not in C++ mode, which would cause +# Gnulib to omit a declaration and thus later produce an error in C++ +# mode. As of clang 9.0, these "known" functions are identified through +# LIBBUILTIN invocations in the LLVM source file +# llvm/tools/clang/include/clang/Basic/Builtins.def. +# It's not possible to AC_REQUIRE the extra tests from AC_CHECK_DECL, +# because AC_CHECK_DECL, like other Autoconf built-ins, is not supposed +# to AC_REQUIRE anything: some configure.ac files have their first +# AC_CHECK_DECL executed conditionally. Therefore append the extra tests +# to AC_PROG_CC. +AC_DEFUN([gl_COMPILER_CLANG], +[ +dnl AC_REQUIRE([AC_PROG_CC]) + AC_CACHE_CHECK([whether the compiler is clang], + [gl_cv_compiler_clang], + [dnl Use _AC_COMPILE_IFELSE instead of AC_EGREP_CPP, to avoid error + dnl "circular dependency of AC_LANG_COMPILER(C)" if AC_PROG_CC has + dnl not yet been invoked. + _AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #ifdef __clang__ + barfbarf + #endif + ]],[[]]) + ], + [gl_cv_compiler_clang=no], + [gl_cv_compiler_clang=yes]) + ]) +]) +AC_DEFUN([gl_COMPILER_PREPARE_CHECK_DECL], +[ +dnl AC_REQUIRE([AC_PROG_CC]) +dnl AC_REQUIRE([gl_COMPILER_CLANG]) + AC_CACHE_CHECK([for compiler option needed when checking for declarations], + [gl_cv_compiler_check_decl_option], + [if test $gl_cv_compiler_clang = yes; then + dnl Test whether the compiler supports the option + dnl '-Werror=implicit-function-declaration'. + save_ac_compile="$ac_compile" + ac_compile="$ac_compile -Werror=implicit-function-declaration" + dnl Use _AC_COMPILE_IFELSE instead of AC_COMPILE_IFELSE, to avoid a + dnl warning "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS". + _AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[]])], + [gl_cv_compiler_check_decl_option='-Werror=implicit-function-declaration'], + [gl_cv_compiler_check_decl_option=none]) + ac_compile="$save_ac_compile" + else + gl_cv_compiler_check_decl_option=none + fi + ]) + if test "x$gl_cv_compiler_check_decl_option" != xnone; then + ac_compile_for_check_decl="$ac_compile $gl_cv_compiler_check_decl_option" + else + ac_compile_for_check_decl="$ac_compile" + fi +]) +dnl Redefine _AC_CHECK_DECL_BODY so that it references ac_compile_for_check_decl +dnl instead of ac_compile. If, for whatever reason, the override of AC_PROG_CC +dnl in zzgnulib.m4 is inactive, use the original ac_compile. +m4_define([_AC_CHECK_DECL_BODY], +[ ac_save_ac_compile="$ac_compile" + if test -n "$ac_compile_for_check_decl"; then + ac_compile="$ac_compile_for_check_decl" + fi] +m4_defn([_AC_CHECK_DECL_BODY])[ ac_compile="$ac_save_ac_compile" +]) + +# gl_00GNULIB +# ----------- +# Witness macro that this file has been included. Needed to force +# Automake to include this file prior to all other gnulib .m4 files. +AC_DEFUN([gl_00GNULIB]) diff --git a/m4/CC_CHECK_LDFLAGS.m4 b/m4/CC_CHECK_LDFLAGS.m4 new file mode 100644 index 0000000..be20df3 --- /dev/null +++ b/m4/CC_CHECK_LDFLAGS.m4 @@ -0,0 +1,21 @@ +dnl Check if the flag is supported by linker (cacheable) +dnl CC_CHECK_LDFLAGS([FLAG], [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND]) +dnl +dnl Origin (declared license: GPLv2+ with less restrictive exception): +dnl https://git.gnome.org/browse/glib/tree/m4macros/attributes.m4?h=2.49.1 +dnl (AC_LANG_PROGRAM substituted by Jan Pokorny ) + +AC_DEFUN([CC_CHECK_LDFLAGS], [ + AC_CACHE_CHECK([if $CC supports $1 flag], + AS_TR_SH([cc_cv_ldflags_$1]), + [ac_save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $1" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])], + [eval "AS_TR_SH([cc_cv_ldflags_$1])='yes'"], + [eval "AS_TR_SH([cc_cv_ldflags_$1])="]) + LDFLAGS="$ac_save_LDFLAGS" + ]) + + AS_IF([eval test x$]AS_TR_SH([cc_cv_ldflags_$1])[ = xyes], + [$2], [$3]) +]) diff --git a/m4/CHECK_ENUM_VALUE.m4 b/m4/CHECK_ENUM_VALUE.m4 new file mode 100644 index 0000000..50bbe23 --- /dev/null +++ b/m4/CHECK_ENUM_VALUE.m4 @@ -0,0 +1,21 @@ +# CHECK_ENUM_VALUE([HEADER], [ENUM_NAME], [ENUM_VALUE]) +# +# Define HAVE_[ENUM_NAME]_[ENUM_VALUE] if the specified enum value is +# available. +dnl +dnl Copyright 2018-2020 the Pacemaker project contributors +dnl +dnl The version control history for this file may have further details. +dnl +dnl This source code is licensed under the GNU General Public License version 2 +dnl or later (GPLv2+) WITHOUT ANY WARRANTY. + +AC_DEFUN([CHECK_ENUM_VALUE], [ + AC_MSG_CHECKING(whether $1 defines enum $2 value $3) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <$1>], + [enum $2 check_$2_$3 = $3])], + [AC_DEFINE_UNQUOTED(HAVE_$2_$3, 1, + [Whether enum $2 supports $3]) + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no)]) +]) diff --git a/m4/CONFIG_FILES_EXEC.m4 b/m4/CONFIG_FILES_EXEC.m4 new file mode 100644 index 0000000..290ba21 --- /dev/null +++ b/m4/CONFIG_FILES_EXEC.m4 @@ -0,0 +1,24 @@ +# +# Copyright 2021 the Pacemaker project contributors +# +# The version control history for this file may have further details. +# +# This source code is licensed under the GNU General Public License version 2 +# or later (GPLv2+) WITHOUT ANY WARRANTY. + +# CONFIG_FILE_EXEC(FILE [...]) +# +# Mark single FILE as configure-generated, and make it executable once created. +# +AC_DEFUN([CONFIG_FILE_EXEC], [AC_CONFIG_FILES([$1], [chmod +x "$1"])]) + +# CONFIG_FILES_EXEC(FILE [...]) +# +# Mark multiple FILEs as configure-generated, and make them executable. +# +AC_DEFUN([CONFIG_FILES_EXEC], [ + m4_case([$#], [0], [], + [1], [CONFIG_FILE_EXEC([$1])], + [CONFIG_FILE_EXEC([$1]) + CONFIG_FILES_EXEC(m4_shift($@))]) +]) diff --git a/m4/PKG_CHECK_VAR.m4 b/m4/PKG_CHECK_VAR.m4 new file mode 100644 index 0000000..2221a69 --- /dev/null +++ b/m4/PKG_CHECK_VAR.m4 @@ -0,0 +1,24 @@ +dnl PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE, +dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +dnl ------------------------------------------- +dnl Since: 0.28 +dnl +dnl Retrieves the value of the pkg-config variable for the given module. +dnl +dnl Origin (declared license: GPLv2+ with less restrictive exception): +dnl https://cgit.freedesktop.org/pkg-config/tree/pkg.m4.in?h=pkg-config-0.29.1#n261 +dnl (AS_VAR_COPY replaced with backward-compatible equivalent and guard +dnl to prefer system-wide variant by Jan Pokorny ) + +m4_ifndef([PKG_CHECK_VAR],[ +AC_DEFUN([PKG_CHECK_VAR], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl + +_PKG_CONFIG([$1], [variable="][$3]["], [$2]) +dnl AS_VAR_COPY([$1], [pkg_cv_][$1]) +$1=AS_VAR_GET([pkg_cv_][$1]) + +AS_VAR_IF([$1], [""], [$5], [$4])dnl +])dnl PKG_CHECK_VAR +])dnl m4_ifndef diff --git a/m4/REQUIRE_FUNC.m4 b/m4/REQUIRE_FUNC.m4 new file mode 100644 index 0000000..2b6986a --- /dev/null +++ b/m4/REQUIRE_FUNC.m4 @@ -0,0 +1,16 @@ +# REQUIRE_FUNC([FUNC]) +# +# Error if a standard C library function can't be found +# +dnl +dnl Copyright 2021 the Pacemaker project contributors +dnl +dnl The version control history for this file may have further details. +dnl +dnl This source code is licensed under the GNU General Public License version 2 +dnl or later (GPLv2+) WITHOUT ANY WARRANTY. + +dnl Usage: REQUIRE_FUNC(function-name) +AC_DEFUN([REQUIRE_FUNC], [ + AC_CHECK_FUNC([$1], [], [AC_MSG_ERROR(Could not find required C function $1)]) +]) diff --git a/m4/REQUIRE_HEADER.m4 b/m4/REQUIRE_HEADER.m4 new file mode 100644 index 0000000..d723458 --- /dev/null +++ b/m4/REQUIRE_HEADER.m4 @@ -0,0 +1,16 @@ +# REQUIRE_HEADER([HEADER]) +# +# Error if a C header file can't be found +# +dnl +dnl Copyright 2020 the Pacemaker project contributors +dnl +dnl The version control history for this file may have further details. +dnl +dnl This source code is licensed under the GNU General Public License version 2 +dnl or later (GPLv2+) WITHOUT ANY WARRANTY. + +dnl Usage: REQUIRE_HEADER(header-file, [prerequisite-includes]) +AC_DEFUN([REQUIRE_HEADER], [ + AC_CHECK_HEADERS([$1], [], [AC_MSG_ERROR(Could not find required C header $1)], [$2]) +]) diff --git a/m4/REQUIRE_LIB.m4 b/m4/REQUIRE_LIB.m4 new file mode 100644 index 0000000..1c874eb --- /dev/null +++ b/m4/REQUIRE_LIB.m4 @@ -0,0 +1,15 @@ +# +# Copyright 2021 the Pacemaker project contributors +# +# The version control history for this file may have further details. +# +# This source code is licensed under the GNU General Public License version 2 +# or later (GPLv2+) WITHOUT ANY WARRANTY. + +# REQUIRE_LIB(LIBRARY, FUNCTION) +# +# Error if a C library can't be found or doesn't contain a specified function +# +AC_DEFUN([REQUIRE_LIB], [ + AC_CHECK_LIB([$1],[$2],,[AC_MSG_FAILURE([Unable to find required C library lib$1])]) +]) diff --git a/m4/ax_check_link_flag.m4 b/m4/ax_check_link_flag.m4 new file mode 100644 index 0000000..819409a --- /dev/null +++ b/m4/ax_check_link_flag.m4 @@ -0,0 +1,74 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) +# +# DESCRIPTION +# +# Check whether the given FLAG works with the linker or gives an error. +# (Warnings, however, are ignored) +# +# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on +# success/failure. +# +# If EXTRA-FLAGS is defined, it is added to the linker's default flags +# when the check is done. The check is thus made with the flags: "LDFLAGS +# EXTRA-FLAGS FLAG". This can for example be used to force the linker to +# issue an error when a bad flag is given. +# +# INPUT gives an alternative input source to AC_LINK_IFELSE. +# +# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this +# macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG. +# +# LICENSE +# +# Copyright (c) 2008 Guido U. Draheim +# Copyright (c) 2011 Maarten Bosmans +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 5 + +AC_DEFUN([AX_CHECK_LINK_FLAG], +[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF +AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl +AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ + ax_check_save_flags=$LDFLAGS + LDFLAGS="$LDFLAGS $4 $1" + AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], + [AS_VAR_SET(CACHEVAR,[yes])], + [AS_VAR_SET(CACHEVAR,[no])]) + LDFLAGS=$ax_check_save_flags]) +AS_VAR_IF(CACHEVAR,yes, + [m4_default([$2], :)], + [m4_default([$3], :)]) +AS_VAR_POPDEF([CACHEVAR])dnl +])dnl AX_CHECK_LINK_FLAGS diff --git a/m4/byteswap.m4 b/m4/byteswap.m4 new file mode 100644 index 0000000..0f43994 --- /dev/null +++ b/m4/byteswap.m4 @@ -0,0 +1,19 @@ +# byteswap.m4 serial 4 +dnl Copyright (C) 2005, 2007, 2009-2020 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Written by Oskar Liljeblad. + +AC_DEFUN([gl_BYTESWAP], +[ + dnl Prerequisites of lib/byteswap.in.h. + AC_CHECK_HEADERS([byteswap.h], [ + BYTESWAP_H='' + ], [ + BYTESWAP_H='byteswap.h' + ]) + AC_SUBST([BYTESWAP_H]) + AM_CONDITIONAL([GL_GENERATE_BYTESWAP_H], [test -n "$BYTESWAP_H"]) +]) diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4 new file mode 100644 index 0000000..75c5008 --- /dev/null +++ b/m4/extern-inline.m4 @@ -0,0 +1,114 @@ +dnl 'extern inline' a la ISO C99. + +dnl Copyright 2012-2020 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. + +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 + . + + 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 . 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 . + 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 + and + . */ +#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/gl-openssl.m4 b/m4/gl-openssl.m4 new file mode 100644 index 0000000..e950904 --- /dev/null +++ b/m4/gl-openssl.m4 @@ -0,0 +1,66 @@ +# gl-openssl.m4 serial 5 +dnl Copyright (C) 2013-2020 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. + +AC_DEFUN([gl_SET_CRYPTO_CHECK_DEFAULT], +[ + m4_define([gl_CRYPTO_CHECK_DEFAULT], [$1]) +]) +gl_SET_CRYPTO_CHECK_DEFAULT([no]) + +AC_DEFUN([gl_CRYPTO_CHECK], +[ + dnl gnulib users set this before gl_INIT with gl_SET_CRYPTO_CHECK_DEFAULT() + m4_divert_once([DEFAULTS], [with_openssl_default='gl_CRYPTO_CHECK_DEFAULT']) + + dnl Only clear once, so crypto routines can be checked for individually + m4_divert_once([DEFAULTS], [LIB_CRYPTO=]) + + AC_ARG_WITH([openssl], + [AS_HELP_STRING([--with-openssl], + [use libcrypto hash routines. Valid ARGs are: + 'yes', 'no', + 'auto' => use if any version available, + 'auto-gpl-compat' => use if gpl compatible version available, + 'optional' => use if available and warn if not available; + default is ']gl_CRYPTO_CHECK_DEFAULT['. + Note also --with-linux-crypto, which will enable + use of kernel crypto routines, which have precedence])], + [], + [with_openssl=$with_openssl_default]) + + AC_SUBST([LIB_CRYPTO]) + if test "x$with_openssl" != xno; then + if test "x$with_openssl" = xauto-gpl-compat; then + AC_CACHE_CHECK([whether openssl is GPL compatible], + [gl_cv_openssl_gpl_compat], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[ + #include + #if OPENSSL_VERSION_MAJOR < 3 + #error "openssl >= version 3 not found" + #endif + ]])], + [gl_cv_openssl_gpl_compat=yes], + [gl_cv_openssl_gpl_compat=no])]) + fi + if test "x$with_openssl" != xauto-gpl-compat || + test "x$gl_cv_openssl_gpl_compat" = xyes; then + AC_CHECK_LIB([crypto], [$1], + [AC_CHECK_HEADERS( + m4_if([$1], [MD5], [openssl/md5.h], [openssl/sha.h]), + [LIB_CRYPTO=-lcrypto + AC_DEFINE([HAVE_OPENSSL_$1], [1], + [Define to 1 if libcrypto is used for $1.])])]) + fi + if test "x$LIB_CRYPTO" = x; then + if test "x$with_openssl" = xyes; then + AC_MSG_ERROR([openssl development library not found for $1]) + elif test "x$with_openssl" = xoptional; then + AC_MSG_WARN([openssl development library not found for $1]) + fi + fi + fi +]) diff --git a/m4/gnulib-cache.m4 b/m4/gnulib-cache.m4 new file mode 100644 index 0000000..56cc36b --- /dev/null +++ b/m4/gnulib-cache.m4 @@ -0,0 +1,63 @@ +# Copyright (C) 2002-2020 Free Software Foundation, Inc. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, see . +# +# As a special exception to the GNU General Public License, +# this file may be distributed as part of a program that +# contains a configuration script generated by Autoconf, under +# the same distribution terms as the rest of that program. +# +# Generated by gnulib-tool. +# +# This file represents the specification of how gnulib-tool is used. +# It acts as a cache: It is written and read by gnulib-tool. +# In projects that use version control, this file is meant to be put under +# version control, like the configure.ac and various Makefile.am files. + + +# Specification in the form of a command-line invocation: +# gnulib-tool --import \ +# --lib=libgnu \ +# --source-base=lib/gnu \ +# --m4-base=m4 \ +# --doc-base=doc \ +# --tests-base=tests \ +# --aux-dir=. \ +# --lgpl=2 \ +# --no-conditional-dependencies \ +# --libtool \ +# --macro-prefix=gl \ +# --no-vc-files \ +# --avoid=stdint \ +# crypto/md5-buffer + +# Specification in the form of a few gnulib-tool.m4 macro invocations: +gl_LOCAL_DIR([]) +gl_MODULES([ + crypto/md5-buffer +]) +gl_AVOID([ stdint]) +gl_SOURCE_BASE([lib/gnu]) +gl_M4_BASE([m4]) +gl_PO_BASE([]) +gl_DOC_BASE([doc]) +gl_TESTS_BASE([tests]) +gl_LIB([libgnu]) +gl_LGPL([2]) +gl_MAKEFILE_NAME([]) +gl_LIBTOOL +gl_MACRO_PREFIX([gl]) +gl_PO_DOMAIN([]) +gl_WITNESS_C_MACRO([]) +gl_VC_FILES([false]) diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4 new file mode 100644 index 0000000..8a40713 --- /dev/null +++ b/m4/gnulib-common.m4 @@ -0,0 +1,723 @@ +# gnulib-common.m4 serial 62 +dnl Copyright (C) 2007-2020 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. + +AC_PREREQ([2.62]) + +# gl_COMMON +# is expanded unconditionally through gnulib-tool magic. +AC_DEFUN([gl_COMMON], [ + dnl Use AC_REQUIRE here, so that the code is expanded once only. + AC_REQUIRE([gl_00GNULIB]) + AC_REQUIRE([gl_COMMON_BODY]) + AC_REQUIRE([gl_ZZGNULIB]) +]) +AC_DEFUN([gl_COMMON_BODY], [ + AH_VERBATIM([_GL_GNUC_PREREQ], +[/* True if the compiler says it groks GNU C version MAJOR.MINOR. */ +#if defined __GNUC__ && defined __GNUC_MINOR__ +# define _GL_GNUC_PREREQ(major, minor) \ + ((major) < __GNUC__ + ((minor) <= __GNUC_MINOR__)) +#else +# define _GL_GNUC_PREREQ(major, minor) 0 +#endif +]) + AH_VERBATIM([_Noreturn], +[/* The _Noreturn keyword of C11. */ +#ifndef _Noreturn +# if (defined __cplusplus \ + && ((201103 <= __cplusplus && !(__GNUC__ == 4 && __GNUC_MINOR__ == 7)) \ + || (defined _MSC_VER && 1900 <= _MSC_VER)) \ + && 0) + /* [[noreturn]] is not practically usable, because with it the syntax + extern _Noreturn void func (...); + would not be valid; such a declaration would only be valid with 'extern' + and '_Noreturn' swapped, or without the 'extern' keyword. However, some + AIX system header files and several gnulib header files use precisely + this syntax with 'extern'. */ +# define _Noreturn [[noreturn]] +# elif ((!defined __cplusplus || defined __clang__) \ + && (201112 <= (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) \ + || _GL_GNUC_PREREQ (4, 7) \ + || (defined __apple_build_version__ \ + ? 6000000 <= __apple_build_version__ \ + : 3 < __clang_major__ + (5 <= __clang_minor__)))) + /* _Noreturn works as-is. */ +# elif _GL_GNUC_PREREQ (2, 8) || defined __clang__ || 0x5110 <= __SUNPRO_C +# define _Noreturn __attribute__ ((__noreturn__)) +# elif 1200 <= (defined _MSC_VER ? _MSC_VER : 0) +# define _Noreturn __declspec (noreturn) +# else +# define _Noreturn +# endif +#endif +]) + AH_VERBATIM([isoc99_inline], +[/* Work around a bug in Apple GCC 4.0.1 build 5465: In C99 mode, it supports + the ISO C 99 semantics of 'extern inline' (unlike the GNU C semantics of + earlier versions), but does not display it by setting __GNUC_STDC_INLINE__. + __APPLE__ && __MACH__ test for Mac OS X. + __APPLE_CC__ tests for the Apple compiler and its version. + __STDC_VERSION__ tests for the C99 mode. */ +#if defined __APPLE__ && defined __MACH__ && __APPLE_CC__ >= 5465 && !defined __cplusplus && __STDC_VERSION__ >= 199901L && !defined __GNUC_STDC_INLINE__ +# define __GNUC_STDC_INLINE__ 1 +#endif]) + AH_VERBATIM([attribute], +[/* Attributes. */ +#ifdef __has_attribute +# define _GL_HAS_ATTRIBUTE(attr) __has_attribute (__##attr##__) +#else +# define _GL_HAS_ATTRIBUTE(attr) _GL_ATTR_##attr +# define _GL_ATTR_alloc_size _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_always_inline _GL_GNUC_PREREQ (3, 2) +# define _GL_ATTR_artificial _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_cold _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_const _GL_GNUC_PREREQ (2, 95) +# define _GL_ATTR_deprecated _GL_GNUC_PREREQ (3, 1) +# define _GL_ATTR_diagnose_if 0 +# define _GL_ATTR_error _GL_GNUC_PREREQ (4, 3) +# define _GL_ATTR_externally_visible _GL_GNUC_PREREQ (4, 1) +# define _GL_ATTR_fallthrough _GL_GNUC_PREREQ (7, 0) +# define _GL_ATTR_format _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_leaf _GL_GNUC_PREREQ (4, 6) +# ifdef _ICC +# define _GL_ATTR_may_alias 0 +# else +# define _GL_ATTR_may_alias _GL_GNUC_PREREQ (3, 3) +# endif +# define _GL_ATTR_malloc _GL_GNUC_PREREQ (3, 0) +# define _GL_ATTR_noinline _GL_GNUC_PREREQ (3, 1) +# define _GL_ATTR_nonnull _GL_GNUC_PREREQ (3, 3) +# define _GL_ATTR_nonstring _GL_GNUC_PREREQ (8, 0) +# define _GL_ATTR_nothrow _GL_GNUC_PREREQ (3, 3) +# define _GL_ATTR_packed _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_pure _GL_GNUC_PREREQ (2, 96) +# define _GL_ATTR_returns_nonnull _GL_GNUC_PREREQ (4, 9) +# define _GL_ATTR_sentinel _GL_GNUC_PREREQ (4, 0) +# define _GL_ATTR_unused _GL_GNUC_PREREQ (2, 7) +# define _GL_ATTR_warn_unused_result _GL_GNUC_PREREQ (3, 4) +#endif + +]dnl There is no _GL_ATTRIBUTE_ALIGNED; use stdalign's _Alignas instead. +[ +#if _GL_HAS_ATTRIBUTE (alloc_size) +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args)) +#else +# define _GL_ATTRIBUTE_ALLOC_SIZE(args) +#endif + +#if _GL_HAS_ATTRIBUTE (always_inline) +# define _GL_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((__always_inline__)) +#else +# define _GL_ATTRIBUTE_ALWAYS_INLINE +#endif + +#if _GL_HAS_ATTRIBUTE (artificial) +# define _GL_ATTRIBUTE_ARTIFICIAL __attribute__ ((__artificial__)) +#else +# define _GL_ATTRIBUTE_ARTIFICIAL +#endif + +/* Avoid __attribute__ ((cold)) on MinGW; see thread starting at + . + Also, Oracle Studio 12.6 requires 'cold' not '__cold__'. */ +#if _GL_HAS_ATTRIBUTE (cold) && !defined __MINGW32__ +# ifndef __SUNPRO_C +# define _GL_ATTRIBUTE_COLD __attribute__ ((__cold__)) +# else +# define _GL_ATTRIBUTE_COLD __attribute__ ((cold)) +# endif +#else +# define _GL_ATTRIBUTE_COLD +#endif + +#if _GL_HAS_ATTRIBUTE (const) +# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) +#else +# define _GL_ATTRIBUTE_CONST +#endif + +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_DEPRECATED [[__deprecated__]] +#elif _GL_HAS_ATTRIBUTE (deprecated) +# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__)) +#else +# define _GL_ATTRIBUTE_DEPRECATED +#endif + +#if _GL_HAS_ATTRIBUTE (error) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__error__ (msg))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__warning__ (msg))) +#elif _GL_HAS_ATTRIBUTE (diagnose_if) +# define _GL_ATTRIBUTE_ERROR(msg) __attribute__ ((__diagnose_if__ (1, msg, "error"))) +# define _GL_ATTRIBUTE_WARNING(msg) __attribute__ ((__diagnose_if__ (1, msg, "warning"))) +#else +# define _GL_ATTRIBUTE_ERROR(msg) +# define _GL_ATTRIBUTE_WARNING(msg) +#endif + +#if _GL_HAS_ATTRIBUTE (externally_visible) +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((externally_visible)) +#else +# define _GL_ATTRIBUTE_EXTERNALLY_VISIBLE +#endif + +/* FALLTHROUGH is special, because it always expands to something. */ +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_FALLTHROUGH [[__fallthrough__]] +#elif _GL_HAS_ATTRIBUTE (fallthrough) +# define _GL_ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__)) +#else +# define _GL_ATTRIBUTE_FALLTHROUGH ((void) 0) +#endif + +#if _GL_HAS_ATTRIBUTE (format) +# define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) +#else +# define _GL_ATTRIBUTE_FORMAT(spec) +#endif + +#if _GL_HAS_ATTRIBUTE (leaf) +# define _GL_ATTRIBUTE_LEAF __attribute__ ((__leaf__)) +#else +# define _GL_ATTRIBUTE_LEAF +#endif + +/* Oracle Studio 12.6 mishandles may_alias despite __has_attribute OK. */ +#if _GL_HAS_ATTRIBUTE (may_alias) && !defined __SUNPRO_C +# define _GL_ATTRIBUTE_MAY_ALIAS __attribute__ ((__may_alias__)) +#else +# define _GL_ATTRIBUTE_MAY_ALIAS +#endif + +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_MAYBE_UNUSED [[__maybe_unused__]] +#elif _GL_HAS_ATTRIBUTE (unused) +# define _GL_ATTRIBUTE_MAYBE_UNUSED __attribute__ ((__unused__)) +#else +# define _GL_ATTRIBUTE_MAYBE_UNUSED +#endif +/* Earlier spellings of this macro. */ +#define _GL_UNUSED _GL_ATTRIBUTE_MAYBE_UNUSED +#define _UNUSED_PARAMETER_ _GL_ATTRIBUTE_MAYBE_UNUSED + +#if _GL_HAS_ATTRIBUTE (malloc) +# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__)) +#else +# define _GL_ATTRIBUTE_MALLOC +#endif + +#if 201710L < __STDC_VERSION__ +# define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] +#elif _GL_HAS_ATTRIBUTE (warn_unused_result) +# define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) +#else +# define _GL_ATTRIBUTE_NODISCARD +#endif + +#if _GL_HAS_ATTRIBUTE (noinline) +# define _GL_ATTRIBUTE_NOINLINE __attribute__ ((__noinline__)) +#else +# define _GL_ATTRIBUTE_NOINLINE +#endif + +#if _GL_HAS_ATTRIBUTE (nonnull) +# define _GL_ATTRIBUTE_NONNULL(args) __attribute__ ((__nonnull__ args)) +#else +# define _GL_ATTRIBUTE_NONNULL(args) +#endif + +#if _GL_HAS_ATTRIBUTE (nonstring) +# define _GL_ATTRIBUTE_NONSTRING __attribute__ ((__nonstring__)) +#else +# define _GL_ATTRIBUTE_NONSTRING +#endif + +/* There is no _GL_ATTRIBUTE_NORETURN; use _Noreturn instead. */ + +#if _GL_HAS_ATTRIBUTE (nothrow) && !defined __cplusplus +# define _GL_ATTRIBUTE_NOTHROW __attribute__ ((__nothrow__)) +#else +# define _GL_ATTRIBUTE_NOTHROW +#endif + +#if _GL_HAS_ATTRIBUTE (packed) +# define _GL_ATTRIBUTE_PACKED __attribute__ ((__packed__)) +#else +# define _GL_ATTRIBUTE_PACKED +#endif + +#if _GL_HAS_ATTRIBUTE (pure) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +#else +# define _GL_ATTRIBUTE_PURE +#endif + +#if _GL_HAS_ATTRIBUTE (returns_nonnull) +# define _GL_ATTRIBUTE_RETURNS_NONNULL __attribute__ ((__returns_nonnull__)) +#else +# define _GL_ATTRIBUTE_RETURNS_NONNULL +#endif + +#if _GL_HAS_ATTRIBUTE (sentinel) +# define _GL_ATTRIBUTE_SENTINEL(pos) __attribute__ ((__sentinel__ pos)) +#else +# define _GL_ATTRIBUTE_SENTINEL(pos) +#endif + +]dnl There is no _GL_ATTRIBUTE_VISIBILITY; see m4/visibility.m4 instead. +[ +/* To support C++ as well as C, use _GL_UNUSED_LABEL with trailing ';'. */ +#if !defined __cplusplus || _GL_GNUC_PREREQ (4, 5) +# define _GL_UNUSED_LABEL _GL_ATTRIBUTE_MAYBE_UNUSED +#else +# define _GL_UNUSED_LABEL +#endif +]) + AH_VERBATIM([async_safe], +[/* The _GL_ASYNC_SAFE marker should be attached to functions that are + signal handlers (for signals other than SIGABRT, SIGPIPE) or can be + invoked from such signal handlers. Such functions have some restrictions: + * All functions that it calls should be marked _GL_ASYNC_SAFE as well, + or should be listed as async-signal-safe in POSIX + + section 2.4.3. Note that malloc(), sprintf(), and fwrite(), in + particular, are NOT async-signal-safe. + * All memory locations (variables and struct fields) that these functions + access must be marked 'volatile'. This holds for both read and write + accesses. Otherwise the compiler might optimize away stores to and + reads from such locations that occur in the program, depending on its + data flow analysis. For example, when the program contains a loop + that is intended to inspect a variable set from within a signal handler + while (!signal_occurred) + ; + the compiler is allowed to transform this into an endless loop if the + variable 'signal_occurred' is not declared 'volatile'. + Additionally, recall that: + * A signal handler should not modify errno (except if it is a handler + for a fatal signal and ends by raising the same signal again, thus + provoking the termination of the process). If it invokes a function + that may clobber errno, it needs to save and restore the value of + errno. */ +#define _GL_ASYNC_SAFE +]) + AH_VERBATIM([micro_optimizations], +[/* _GL_CMP (n1, n2) performs a three-valued comparison on n1 vs. n2, where + n1 and n2 are expressions without side effects, that evaluate to real + numbers (excluding NaN). + It returns + 1 if n1 > n2 + 0 if n1 == n2 + -1 if n1 < n2 + The naïve code (n1 > n2 ? 1 : n1 < n2 ? -1 : 0) produces a conditional + jump with nearly all GCC versions up to GCC 10. + This variant (n1 < n2 ? -1 : n1 > n2) produces a conditional with many + GCC versions up to GCC 9. + The better code (n1 > n2) - (n1 < n2) from Hacker's Delight § 2-9 + avoids conditional jumps in all GCC versions >= 3.4. */ +#define _GL_CMP(n1, n2) (((n1) > (n2)) - ((n1) < (n2))) +]) + dnl Hint which direction to take regarding cross-compilation guesses: + dnl When a user installs a program on a platform they are not intimately + dnl familiar with, --enable-cross-guesses=conservative is the appropriate + dnl choice. It implements the "If we don't know, assume the worst" principle. + dnl However, when an operating system developer (on a platform which is not + dnl yet known to gnulib) builds packages for their platform, they want to + dnl expose, not hide, possible platform bugs; in this case, + dnl --enable-cross-guesses=risky is the appropriate choice. + dnl Sets the variables + dnl gl_cross_guess_normal (to be used when 'yes' is good and 'no' is bad), + dnl gl_cross_guess_inverted (to be used when 'no' is good and 'yes' is bad). + AC_ARG_ENABLE([cross-guesses], + [AS_HELP_STRING([--enable-cross-guesses={conservative|risky}], + [specify policy for cross-compilation guesses])], + [if test "x$enableval" != xconservative && test "x$enableval" != xrisky; then + AC_MSG_WARN([invalid argument supplied to --enable-cross-guesses]) + enableval=conservative + fi + gl_cross_guesses="$enableval"], + [gl_cross_guesses=conservative]) + if test $gl_cross_guesses = risky; then + gl_cross_guess_normal="guessing yes" + gl_cross_guess_inverted="guessing no" + else + gl_cross_guess_normal="guessing no" + gl_cross_guess_inverted="guessing yes" + fi + dnl Preparation for running test programs: + dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not + dnl to /dev/tty, so they can be redirected to log files. Such diagnostics + dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N. + LIBC_FATAL_STDERR_=1 + export LIBC_FATAL_STDERR_ +]) + +# gl_MODULE_INDICATOR_CONDITION +# expands to a C preprocessor expression that evaluates to 1 or 0, depending +# whether a gnulib module that has been requested shall be considered present +# or not. +m4_define([gl_MODULE_INDICATOR_CONDITION], [1]) + +# gl_MODULE_INDICATOR_SET_VARIABLE([modulename]) +# sets the shell variable that indicates the presence of the given module to +# a C preprocessor expression that will evaluate to 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE], +[ + gl_MODULE_INDICATOR_SET_VARIABLE_AUX( + [GNULIB_[]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])], + [gl_MODULE_INDICATOR_CONDITION]) +]) + +# gl_MODULE_INDICATOR_SET_VARIABLE_AUX([variable]) +# modifies the shell variable to include the gl_MODULE_INDICATOR_CONDITION. +# The shell variable's value is a C preprocessor expression that evaluates +# to 0 or 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX], +[ + m4_if(m4_defn([gl_MODULE_INDICATOR_CONDITION]), [1], + [ + dnl Simplify the expression VALUE || 1 to 1. + $1=1 + ], + [gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([$1], + [gl_MODULE_INDICATOR_CONDITION])]) +]) + +# gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR([variable], [condition]) +# modifies the shell variable to include the given condition. The shell +# variable's value is a C preprocessor expression that evaluates to 0 or 1. +AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE_AUX_OR], +[ + dnl Simplify the expression 1 || CONDITION to 1. + if test "$[]$1" != 1; then + dnl Simplify the expression 0 || CONDITION to CONDITION. + if test "$[]$1" = 0; then + $1=$2 + else + $1="($[]$1 || $2)" + fi + fi +]) + +# gl_MODULE_INDICATOR([modulename]) +# defines a C macro indicating the presence of the given module +# in a location where it can be used. +# | Value | Value | +# | in lib/ | in tests/ | +# --------------------------------------------+---------+-----------+ +# Module present among main modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module present among tests-related modules: | 0 | 1 | +# --------------------------------------------+---------+-----------+ +# Module not present at all: | 0 | 0 | +# --------------------------------------------+---------+-----------+ +AC_DEFUN([gl_MODULE_INDICATOR], +[ + AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), + [gl_MODULE_INDICATOR_CONDITION], + [Define to a C preprocessor expression that evaluates to 1 or 0, + depending whether the gnulib module $1 shall be considered present.]) +]) + +# gl_MODULE_INDICATOR_FOR_TESTS([modulename]) +# defines a C macro indicating the presence of the given module +# in lib or tests. This is useful to determine whether the module +# should be tested. +# | Value | Value | +# | in lib/ | in tests/ | +# --------------------------------------------+---------+-----------+ +# Module present among main modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module present among tests-related modules: | 1 | 1 | +# --------------------------------------------+---------+-----------+ +# Module not present at all: | 0 | 0 | +# --------------------------------------------+---------+-----------+ +AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], +[ + AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]], + [abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1], + [Define to 1 when the gnulib module $1 should be tested.]) +]) + +# gl_ASSERT_NO_GNULIB_POSIXCHECK +# asserts that there will never be a need to #define GNULIB_POSIXCHECK. +# and thereby enables an optimization of configure and config.h. +# Used by Emacs. +AC_DEFUN([gl_ASSERT_NO_GNULIB_POSIXCHECK], +[ + dnl Override gl_WARN_ON_USE_PREPARE. + dnl But hide this definition from 'aclocal'. + AC_DEFUN([gl_W][ARN_ON_USE_PREPARE], []) +]) + +# gl_ASSERT_NO_GNULIB_TESTS +# asserts that there will be no gnulib tests in the scope of the configure.ac +# and thereby enables an optimization of config.h. +# Used by Emacs. +AC_DEFUN([gl_ASSERT_NO_GNULIB_TESTS], +[ + dnl Override gl_MODULE_INDICATOR_FOR_TESTS. + AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS], []) +]) + +# Test whether exists. +# Set HAVE_FEATURES_H. +AC_DEFUN([gl_FEATURES_H], +[ + AC_CHECK_HEADERS_ONCE([features.h]) + if test $ac_cv_header_features_h = yes; then + HAVE_FEATURES_H=1 + else + HAVE_FEATURES_H=0 + fi + AC_SUBST([HAVE_FEATURES_H]) +]) + +# gl_PROG_CC_C99 +# Modifies the value of the shell variable CC in an attempt to make $CC +# understand ISO C99 source code. +AC_DEFUN([gl_PROG_CC_C99], +[ + dnl Just use AC_PROG_CC_C99. + dnl When AC_PROG_CC_C99 and AC_PROG_CC_STDC are used together, the substituted + dnl value of CC will contain the C99 enabling options twice. But this is only + dnl a cosmetic problem. + dnl With Autoconf >= 2.69c, use AC_PROG_CC since it implies AC_PROG_CC_C99; + dnl this avoids a "warning: The macro `AC_PROG_CC_C99' is obsolete." + m4_version_prereq([2.69c], + [AC_REQUIRE([AC_PROG_CC])], + [AC_REQUIRE([AC_PROG_CC_C99])]) +]) + +# gl_PROG_AR_RANLIB +# Determines the values for AR, ARFLAGS, RANLIB that fit with the compiler. +# The user can set the variables AR, ARFLAGS, RANLIB if he wants to override +# the values. +AC_DEFUN([gl_PROG_AR_RANLIB], +[ + dnl Minix 3 comes with two toolchains: The Amsterdam Compiler Kit compiler + dnl as "cc", and GCC as "gcc". They have different object file formats and + dnl library formats. In particular, the GNU binutils programs ar and ranlib + dnl produce libraries that work only with gcc, not with cc. + AC_REQUIRE([AC_PROG_CC]) + dnl The '][' hides this use from 'aclocal'. + AC_BEFORE([$0], [A][M_PROG_AR]) + AC_CACHE_CHECK([for Minix Amsterdam compiler], [gl_cv_c_amsterdam_compiler], + [ + AC_EGREP_CPP([Amsterdam], + [ +#ifdef __ACK__ +Amsterdam +#endif + ], + [gl_cv_c_amsterdam_compiler=yes], + [gl_cv_c_amsterdam_compiler=no]) + ]) + + dnl Don't compete with AM_PROG_AR's decision about AR/ARFLAGS if we are not + dnl building with __ACK__. + if test $gl_cv_c_amsterdam_compiler = yes; then + if test -z "$AR"; then + AR='cc -c.a' + fi + if test -z "$ARFLAGS"; then + ARFLAGS='-o' + fi + else + dnl AM_PROG_AR was added in automake v1.11.2. AM_PROG_AR does not AC_SUBST + dnl ARFLAGS variable (it is filed into Makefile.in directly by automake + dnl script on-demand, if not specified by ./configure of course). + dnl Don't AC_REQUIRE the AM_PROG_AR otherwise the code for __ACK__ above + dnl will be ignored. Also, pay attention to call AM_PROG_AR in else block + dnl because AM_PROG_AR is written so it could re-set AR variable even for + dnl __ACK__. It may seem like its easier to avoid calling the macro here, + dnl but we need to AC_SUBST both AR/ARFLAGS (thus those must have some good + dnl default value and automake should usually know them). + dnl + dnl The '][' hides this use from 'aclocal'. + m4_ifdef([A][M_PROG_AR], [A][M_PROG_AR], [:]) + fi + + dnl In case the code above has not helped with setting AR/ARFLAGS, use + dnl 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]) + if test -z "$RANLIB"; then + if test $gl_cv_c_amsterdam_compiler = yes; then + RANLIB=':' + else + dnl Use the ranlib program if it is available. + AC_PROG_RANLIB + fi + fi + AC_SUBST([RANLIB]) +]) + +# AC_C_RESTRICT +# This definition is copied from post-2.69 Autoconf and overrides the +# AC_C_RESTRICT macro from autoconf 2.60..2.69. It can be removed +# once autoconf >= 2.70 can be assumed. It's painful to check version +# numbers, and in practice this macro is more up-to-date than Autoconf +# is, so override Autoconf unconditionally. +AC_DEFUN([AC_C_RESTRICT], +[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict], + [ac_cv_c_restrict=no + # The order here caters to the fact that C++ does not require restrict. + for ac_kw in __restrict __restrict__ _Restrict restrict; do + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[typedef int *int_ptr; + int foo (int_ptr $ac_kw ip) { return ip[0]; } + int bar (int [$ac_kw]); /* Catch GCC bug 14050. */ + int bar (int ip[$ac_kw]) { return ip[0]; } + ]], + [[int s[1]; + int *$ac_kw t = s; + t[0] = 0; + return foo (t) + bar (t); + ]])], + [ac_cv_c_restrict=$ac_kw]) + test "$ac_cv_c_restrict" != no && break + done + ]) + AH_VERBATIM([restrict], +[/* Define to the equivalent of the C99 'restrict' keyword, or to + nothing if this is not supported. Do not define if restrict is + supported directly. */ +#undef restrict +/* Work around a bug in older versions of Sun C++, which did not + #define __restrict__ or support _Restrict or __restrict__ + even though the corresponding Sun C compiler ended up with + "#define restrict _Restrict" or "#define restrict __restrict__" + in the previous line. This workaround can be removed once + we assume Oracle Developer Studio 12.5 (2016) or later. */ +#if defined __SUNPRO_CC && !defined __RESTRICT && !defined __restrict__ +# define _Restrict +# define __restrict__ +#endif]) + case $ac_cv_c_restrict in + restrict) ;; + no) AC_DEFINE([restrict], []) ;; + *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;; + esac +])# AC_C_RESTRICT + +# gl_BIGENDIAN +# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd. +# Note that AC_REQUIRE([AC_C_BIGENDIAN]) does not work reliably because some +# macros invoke AC_C_BIGENDIAN with arguments. +AC_DEFUN([gl_BIGENDIAN], +[ + AC_C_BIGENDIAN +]) + +# A temporary file descriptor. +# Must be less than 10, because dash 0.5.8 does not support redirections +# with multi-digit file descriptors. +m4_define([GL_TMP_FD], 9) + +# gl_SILENT(command) +# executes command, but without the normal configure output. +# This is useful when you want to invoke AC_CACHE_CHECK (or AC_CHECK_FUNC etc.) +# inside another AC_CACHE_CHECK. +AC_DEFUN([gl_SILENT], +[ + exec GL_TMP_FD>&AS_MESSAGE_FD AS_MESSAGE_FD>/dev/null + $1 + exec AS_MESSAGE_FD>&GL_TMP_FD GL_TMP_FD>&- +]) + +# gl_CACHE_VAL_SILENT(cache-id, command-to-set-it) +# is like AC_CACHE_VAL(cache-id, command-to-set-it), except that it does not +# output a spurious "(cached)" mark in the midst of other configure output. +# This macro should be used instead of AC_CACHE_VAL when it is not surrounded +# by an AC_MSG_CHECKING/AC_MSG_RESULT pair. +AC_DEFUN([gl_CACHE_VAL_SILENT], +[ + gl_SILENT([ + AC_CACHE_VAL([$1], [$2]) + ]) +]) + +dnl Expands to some code for use in .c programs that, on native Windows, defines +dnl the Microsoft deprecated alias function names to the underscore-prefixed +dnl actual function names. With this macro, these function names are available +dnl without linking with '-loldnames' and without generating warnings. +dnl Usage: Use it after all system header files are included. +dnl #include <...> +dnl #include <...> +dnl ]GL_MDA_DEFINES[ +dnl ... +AC_DEFUN([GL_MDA_DEFINES],[ +AC_REQUIRE([_GL_MDA_DEFINES]) +[$gl_mda_defines] +]) +AC_DEFUN([_GL_MDA_DEFINES], +[gl_mda_defines=' +#if defined _WIN32 && !defined __CYGWIN__ +#define access _access +#define chdir _chdir +#define chmod _chmod +#define close _close +#define creat _creat +#define dup _dup +#define dup2 _dup2 +#define ecvt _ecvt +#define execl _execl +#define execle _execle +#define execlp _execlp +#define execv _execv +#define execve _execve +#define execvp _execvp +#define execvpe _execvpe +#define fcloseall _fcloseall +#define fcvt _fcvt +#define fdopen _fdopen +#define fileno _fileno +#define gcvt _gcvt +#define getcwd _getcwd +#define getpid _getpid +#define getw _getw +#define isatty _isatty +#define j0 _j0 +#define j1 _j1 +#define jn _jn +#define lfind _lfind +#define lsearch _lsearch +#define lseek _lseek +#define memccpy _memccpy +#define mkdir _mkdir +#define mktemp _mktemp +#define open _open +#define putenv _putenv +#define putw _putw +#define read _read +#define rmdir _rmdir +#define strdup _strdup +#define swab _swab +#define tempnam _tempnam +#define tzset _tzset +#define umask _umask +#define unlink _unlink +#define utime _utime +#define wcsdup _wcsdup +#define write _write +#define y0 _y0 +#define y1 _y1 +#define yn _yn +#endif +' +]) diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4 new file mode 100644 index 0000000..4d1ae74 --- /dev/null +++ b/m4/gnulib-comp.m4 @@ -0,0 +1,221 @@ +# DO NOT EDIT! GENERATED AUTOMATICALLY! +# Copyright (C) 2002-2020 Free Software Foundation, Inc. +# +# This file is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This file is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this file. If not, see . +# +# As a special exception to the GNU General Public License, +# this file may be distributed as part of a program that +# contains a configuration script generated by Autoconf, under +# the same distribution terms as the rest of that program. +# +# Generated by gnulib-tool. +# +# This file represents the compiled summary of the specification in +# gnulib-cache.m4. It lists the computed macro invocations that need +# to be invoked from configure.ac. +# In projects that use version control, this file can be treated like +# other built files. + + +# This macro should be invoked from ./configure.ac, in the section +# "Checks for programs", right after AC_PROG_CC, and certainly before +# any checks for libraries, header files, types and library functions. +AC_DEFUN([gl_EARLY], +[ + m4_pattern_forbid([^gl_[A-Z]])dnl the gnulib macro namespace + m4_pattern_allow([^gl_ES$])dnl a valid locale name + m4_pattern_allow([^gl_LIBOBJS$])dnl a variable + m4_pattern_allow([^gl_LTLIBOBJS$])dnl a variable + + # Pre-early section. + AC_REQUIRE([gl_PROG_AR_RANLIB]) + + # Code from module byteswap: + # Code from module c99: + # Code from module crypto/md5-buffer: + # Code from module extern-inline: + # Code from module std-gnu11: + # Code from module stdalign: +]) + +# This macro should be invoked from ./configure.ac, in the section +# "Check for header files, types and library functions". +AC_DEFUN([gl_INIT], +[ + AM_CONDITIONAL([GL_COND_LIBTOOL], [true]) + gl_cond_libtool=true + gl_m4_base='m4' + m4_pushdef([AC_LIBOBJ], m4_defn([gl_LIBOBJ])) + m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gl_REPLACE_FUNCS])) + m4_pushdef([AC_LIBSOURCES], m4_defn([gl_LIBSOURCES])) + m4_pushdef([gl_LIBSOURCES_LIST], []) + m4_pushdef([gl_LIBSOURCES_DIR], []) + gl_COMMON + gl_source_base='lib/gnu' + gl_BYTESWAP + AC_REQUIRE([AC_C_RESTRICT]) + gl_MD5 + AC_REQUIRE([gl_EXTERN_INLINE]) + gl_STDALIGN_H + # End of code from modules + m4_ifval(gl_LIBSOURCES_LIST, [ + m4_syscmd([test ! -d ]m4_defn([gl_LIBSOURCES_DIR])[ || + for gl_file in ]gl_LIBSOURCES_LIST[ ; do + if test ! -r ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file ; then + echo "missing file ]m4_defn([gl_LIBSOURCES_DIR])[/$gl_file" >&2 + exit 1 + fi + done])dnl + m4_if(m4_sysval, [0], [], + [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])]) + ]) + m4_popdef([gl_LIBSOURCES_DIR]) + m4_popdef([gl_LIBSOURCES_LIST]) + m4_popdef([AC_LIBSOURCES]) + m4_popdef([AC_REPLACE_FUNCS]) + m4_popdef([AC_LIBOBJ]) + AC_CONFIG_COMMANDS_PRE([ + gl_libobjs= + gl_ltlibobjs= + if test -n "$gl_LIBOBJS"; then + # Remove the extension. + sed_drop_objext='s/\.o$//;s/\.obj$//' + for i in `for i in $gl_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do + gl_libobjs="$gl_libobjs $i.$ac_objext" + gl_ltlibobjs="$gl_ltlibobjs $i.lo" + done + fi + AC_SUBST([gl_LIBOBJS], [$gl_libobjs]) + AC_SUBST([gl_LTLIBOBJS], [$gl_ltlibobjs]) + ]) + gltests_libdeps= + gltests_ltlibdeps= + m4_pushdef([AC_LIBOBJ], m4_defn([gltests_LIBOBJ])) + m4_pushdef([AC_REPLACE_FUNCS], m4_defn([gltests_REPLACE_FUNCS])) + m4_pushdef([AC_LIBSOURCES], m4_defn([gltests_LIBSOURCES])) + m4_pushdef([gltests_LIBSOURCES_LIST], []) + m4_pushdef([gltests_LIBSOURCES_DIR], []) + gl_COMMON + gl_source_base='tests' +changequote(,)dnl + gltests_WITNESS=IN_`echo "${PACKAGE-$PACKAGE_TARNAME}" | LC_ALL=C tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ | LC_ALL=C sed -e 's/[^A-Z0-9_]/_/g'`_GNULIB_TESTS +changequote([, ])dnl + AC_SUBST([gltests_WITNESS]) + gl_module_indicator_condition=$gltests_WITNESS + m4_pushdef([gl_MODULE_INDICATOR_CONDITION], [$gl_module_indicator_condition]) + m4_popdef([gl_MODULE_INDICATOR_CONDITION]) + m4_ifval(gltests_LIBSOURCES_LIST, [ + m4_syscmd([test ! -d ]m4_defn([gltests_LIBSOURCES_DIR])[ || + for gl_file in ]gltests_LIBSOURCES_LIST[ ; do + if test ! -r ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file ; then + echo "missing file ]m4_defn([gltests_LIBSOURCES_DIR])[/$gl_file" >&2 + exit 1 + fi + done])dnl + m4_if(m4_sysval, [0], [], + [AC_FATAL([expected source file, required through AC_LIBSOURCES, not found])]) + ]) + m4_popdef([gltests_LIBSOURCES_DIR]) + m4_popdef([gltests_LIBSOURCES_LIST]) + m4_popdef([AC_LIBSOURCES]) + m4_popdef([AC_REPLACE_FUNCS]) + m4_popdef([AC_LIBOBJ]) + AC_CONFIG_COMMANDS_PRE([ + gltests_libobjs= + gltests_ltlibobjs= + if test -n "$gltests_LIBOBJS"; then + # Remove the extension. + sed_drop_objext='s/\.o$//;s/\.obj$//' + for i in `for i in $gltests_LIBOBJS; do echo "$i"; done | sed -e "$sed_drop_objext" | sort | uniq`; do + gltests_libobjs="$gltests_libobjs $i.$ac_objext" + gltests_ltlibobjs="$gltests_ltlibobjs $i.lo" + done + fi + AC_SUBST([gltests_LIBOBJS], [$gltests_libobjs]) + AC_SUBST([gltests_LTLIBOBJS], [$gltests_ltlibobjs]) + ]) +]) + +# Like AC_LIBOBJ, except that the module name goes +# into gl_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gl_LIBOBJ], [ + AS_LITERAL_IF([$1], [gl_LIBSOURCES([$1.c])])dnl + gl_LIBOBJS="$gl_LIBOBJS $1.$ac_objext" +]) + +# Like AC_REPLACE_FUNCS, except that the module name goes +# into gl_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gl_REPLACE_FUNCS], [ + m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl + AC_CHECK_FUNCS([$1], , [gl_LIBOBJ($ac_func)]) +]) + +# Like AC_LIBSOURCES, except the directory where the source file is +# expected is derived from the gnulib-tool parameterization, +# and alloca is special cased (for the alloca-opt module). +# We could also entirely rely on EXTRA_lib..._SOURCES. +AC_DEFUN([gl_LIBSOURCES], [ + m4_foreach([_gl_NAME], [$1], [ + m4_if(_gl_NAME, [alloca.c], [], [ + m4_define([gl_LIBSOURCES_DIR], [lib/gnu]) + m4_append([gl_LIBSOURCES_LIST], _gl_NAME, [ ]) + ]) + ]) +]) + +# Like AC_LIBOBJ, except that the module name goes +# into gltests_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gltests_LIBOBJ], [ + AS_LITERAL_IF([$1], [gltests_LIBSOURCES([$1.c])])dnl + gltests_LIBOBJS="$gltests_LIBOBJS $1.$ac_objext" +]) + +# Like AC_REPLACE_FUNCS, except that the module name goes +# into gltests_LIBOBJS instead of into LIBOBJS. +AC_DEFUN([gltests_REPLACE_FUNCS], [ + m4_foreach_w([gl_NAME], [$1], [AC_LIBSOURCES(gl_NAME[.c])])dnl + AC_CHECK_FUNCS([$1], , [gltests_LIBOBJ($ac_func)]) +]) + +# Like AC_LIBSOURCES, except the directory where the source file is +# expected is derived from the gnulib-tool parameterization, +# and alloca is special cased (for the alloca-opt module). +# We could also entirely rely on EXTRA_lib..._SOURCES. +AC_DEFUN([gltests_LIBSOURCES], [ + m4_foreach([_gl_NAME], [$1], [ + m4_if(_gl_NAME, [alloca.c], [], [ + m4_define([gltests_LIBSOURCES_DIR], [tests]) + m4_append([gltests_LIBSOURCES_LIST], _gl_NAME, [ ]) + ]) + ]) +]) + +# This macro records the list of files which have been installed by +# gnulib-tool and may be removed by future gnulib-tool invocations. +AC_DEFUN([gl_FILE_LIST], [ + lib/byteswap.in.h + lib/gl_openssl.h + lib/md5.c + lib/md5.h + lib/stdalign.in.h + m4/00gnulib.m4 + m4/byteswap.m4 + m4/extern-inline.m4 + m4/gl-openssl.m4 + m4/gnulib-common.m4 + m4/md5.m4 + m4/std-gnu11.m4 + m4/stdalign.m4 + m4/zzgnulib.m4 +]) diff --git a/m4/gnulib-tool.m4 b/m4/gnulib-tool.m4 new file mode 100644 index 0000000..9e1744f --- /dev/null +++ b/m4/gnulib-tool.m4 @@ -0,0 +1,57 @@ +# gnulib-tool.m4 serial 2 +dnl Copyright (C) 2004-2005, 2009-2020 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 The following macros need not be invoked explicitly. +dnl Invoking them does nothing except to declare default arguments +dnl for "gnulib-tool --import". + +dnl Usage: gl_LOCAL_DIR([DIR]) +AC_DEFUN([gl_LOCAL_DIR], []) + +dnl Usage: gl_MODULES([module1 module2 ...]) +AC_DEFUN([gl_MODULES], []) + +dnl Usage: gl_AVOID([module1 module2 ...]) +AC_DEFUN([gl_AVOID], []) + +dnl Usage: gl_SOURCE_BASE([DIR]) +AC_DEFUN([gl_SOURCE_BASE], []) + +dnl Usage: gl_M4_BASE([DIR]) +AC_DEFUN([gl_M4_BASE], []) + +dnl Usage: gl_PO_BASE([DIR]) +AC_DEFUN([gl_PO_BASE], []) + +dnl Usage: gl_DOC_BASE([DIR]) +AC_DEFUN([gl_DOC_BASE], []) + +dnl Usage: gl_TESTS_BASE([DIR]) +AC_DEFUN([gl_TESTS_BASE], []) + +dnl Usage: gl_WITH_TESTS +AC_DEFUN([gl_WITH_TESTS], []) + +dnl Usage: gl_LIB([LIBNAME]) +AC_DEFUN([gl_LIB], []) + +dnl Usage: gl_LGPL or gl_LGPL([VERSION]) +AC_DEFUN([gl_LGPL], []) + +dnl Usage: gl_MAKEFILE_NAME([FILENAME]) +AC_DEFUN([gl_MAKEFILE_NAME], []) + +dnl Usage: gl_LIBTOOL +AC_DEFUN([gl_LIBTOOL], []) + +dnl Usage: gl_MACRO_PREFIX([PREFIX]) +AC_DEFUN([gl_MACRO_PREFIX], []) + +dnl Usage: gl_PO_DOMAIN([DOMAIN]) +AC_DEFUN([gl_PO_DOMAIN], []) + +dnl Usage: gl_VC_FILES([BOOLEAN]) +AC_DEFUN([gl_VC_FILES], []) diff --git a/m4/md5.m4 b/m4/md5.m4 new file mode 100644 index 0000000..ca213ed --- /dev/null +++ b/m4/md5.m4 @@ -0,0 +1,14 @@ +# md5.m4 serial 14 +dnl Copyright (C) 2002-2006, 2008-2020 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. + +AC_DEFUN([gl_MD5], +[ + dnl Prerequisites of lib/md5.c. + AC_REQUIRE([gl_BIGENDIAN]) + + dnl Determine HAVE_OPENSSL_MD5 and LIB_CRYPTO + gl_CRYPTO_CHECK([MD5]) +]) diff --git a/m4/stdalign.m4 b/m4/stdalign.m4 new file mode 100644 index 0000000..dcf778e --- /dev/null +++ b/m4/stdalign.m4 @@ -0,0 +1,57 @@ +# Check for stdalign.h that conforms to C11. + +dnl Copyright 2011-2020 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. + +# Prepare for substituting if it is not supported. + +AC_DEFUN([gl_STDALIGN_H], +[ + AC_CACHE_CHECK([for working stdalign.h], + [gl_cv_header_working_stdalign_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + #include + + /* Test that alignof yields a result consistent with offsetof. + This catches GCC bug 52023 + . */ + #ifdef __cplusplus + template struct alignof_helper { char a; t b; }; + # define ao(type) offsetof (alignof_helper, b) + #else + # define ao(type) offsetof (struct { char a; type b; }, b) + #endif + char test_double[ao (double) % _Alignof (double) == 0 ? 1 : -1]; + char test_long[ao (long int) % _Alignof (long int) == 0 ? 1 : -1]; + char test_alignof[alignof (double) == _Alignof (double) ? 1 : -1]; + + /* Test _Alignas only on platforms where gnulib can help. */ + #if \ + ((defined __cplusplus && 201103 <= __cplusplus) \ + || (defined __APPLE__ && defined __MACH__ \ + ? 4 < __GNUC__ + (1 <= __GNUC_MINOR__) \ + : __GNUC__) \ + || (__ia64 && (61200 <= __HP_cc || 61200 <= __HP_aCC)) \ + || __ICC || 0x590 <= __SUNPRO_C || 0x0600 <= __xlC__ \ + || 1300 <= _MSC_VER) + struct alignas_test { char c; char alignas (8) alignas_8; }; + char test_alignas[offsetof (struct alignas_test, alignas_8) == 8 + ? 1 : -1]; + #endif + ]])], + [gl_cv_header_working_stdalign_h=yes], + [gl_cv_header_working_stdalign_h=no])]) + + if test $gl_cv_header_working_stdalign_h = yes; then + STDALIGN_H='' + else + STDALIGN_H='stdalign.h' + fi + + AC_SUBST([STDALIGN_H]) + AM_CONDITIONAL([GL_GENERATE_STDALIGN_H], [test -n "$STDALIGN_H"]) +]) diff --git a/m4/version.m4 b/m4/version.m4 new file mode 100644 index 0000000..24dc5ac --- /dev/null +++ b/m4/version.m4 @@ -0,0 +1,2 @@ +m4_define([VERSION_NUMBER], [2.1.6]) +m4_define([PCMK_URL], [https://ClusterLabs.org/pacemaker/]) diff --git a/m4/zzgnulib.m4 b/m4/zzgnulib.m4 new file mode 100644 index 0000000..98fa68f --- /dev/null +++ b/m4/zzgnulib.m4 @@ -0,0 +1,23 @@ +# zzgnulib.m4 serial 1 +dnl Copyright (C) 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 This file must be named something that sorts after all other +dnl package- or gnulib-provided .m4 files - at least for those packages +dnl that redefine AC_PROG_CC. + +dnl Redefine AC_PROG_CC so that it ends with invocations of gl_COMPILER_CLANG +dnl and gl_COMPILER_PREPARE_CHECK_DECL. +m4_define([AC_PROG_CC], + m4_defn([AC_PROG_CC])[ +gl_COMPILER_CLANG +gl_COMPILER_PREPARE_CHECK_DECL +]) + +# gl_ZZGNULIB +# ----------- +# Witness macro that this file has been included. Needed to force +# Automake to include this file after all other gnulib .m4 files. +AC_DEFUN([gl_ZZGNULIB]) -- cgit v1.2.3