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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/configure.ac b/configure.ac deleted file mode 100644 index c4644af5..00000000 --- a/configure.ac +++ /dev/null @@ -1,362 +0,0 @@ -# Configure template for GNU m4. -*-Autoconf-*- -# Copyright (C) 1991-1994, 2000-2002, 2004-2014, 2017 Free Software -# Foundation, Inc. -# -# This file is part of GNU M4. -# -# GNU M4 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. -# -# GNU M4 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 <http://www.gnu.org/licenses/>. - -dnl We depend on autotest's ./testsuite -C. -AC_PREREQ([2.62]) - -## ------------------------ ## -## Autoconf initialization. ## -## ------------------------ ## -m4_define([M4_VERSION], - m4_esyscmd([build-aux/git-version-gen .tarball-version])) -m4_bmatch(m4_defn([M4_VERSION]), [^[0-9]], [], - [m4_define([M4_VERSION], [1.9a])]) -AC_INIT([GNU M4], m4_defn([M4_VERSION]), [bug-m4@gnu.org]) - -AC_CONFIG_SRCDIR([src/m4.h]) -AC_CONFIG_AUX_DIR([build-aux]) -AC_CONFIG_MACRO_DIR([build-aux/m4]) -AC_CONFIG_LIBOBJ_DIR([m4/gnu]) -AC_CONFIG_TESTDIR([tests]) -AC_CONFIG_HEADERS([config.h]) -AC_CONFIG_FILES([tests/m4], [chmod +x tests/m4]) - - -## -------------------------- ## -## M4 specific configuration. ## -## -------------------------- ## -dnl Autoconf recommends that packages use lowercase for their package-specific -dnl prefix for cache variables. But in the case of m4, that collides with -dnl the m4_ namespace provided by m4sugar, so we prefer M4_ as our -dnl package-specific prefix. -m4_pattern_forbid([^M4_[A-Z]]) - -AC_DEFUN([M4_DEFAULT_PRELOAD], []) -M4_default_preload="M4_DEFAULT_PRELOAD" - - -## ------------------------ ## -## Automake Initialization. ## -## ------------------------ ## -AM_INIT_AUTOMAKE([1.11.6 subdir-objects dist-bzip2 dist-xz -color-tests parallel-tests silent-rules] -m4_if(m4_index(m4_defn([M4_VERSION]), [-]), [-1], [gnits], [gnu])) -AM_SILENT_RULES([yes]) # make --enable-silent-rules the default. - - -## ------------------ ## -## C compiler checks. ## -## ------------------ ## -AC_PROG_CC -AC_DEFUN([gl_CXX_CHOICE_DEFAULT_NO]) -M4_EARLY - -# Maintainer note - comment this line out if you plan to rerun -# GNULIB_POSIXCHECK testing to see if M4 should be using more modules. -# Leave it uncommented for normal releases, for faster ./configure. -gl_ASSERT_NO_GNULIB_POSIXCHECK - -AC_SYS_LARGEFILE -AC_PROG_CPP -AM_PROG_CC_C_O -M4_CHECK_DEBUGGING - - -## --------------------------- ## -## C compiler characteristics. ## -## --------------------------- ## -AC_TYPE_SIZE_T -AC_CHECK_SIZEOF([long long int]) - -AS_CASE([$host], [*-*-os2*], [OS2_LDFLAGS=-Zargs-resp]) -AC_SUBST([OS2_LDFLAGS]) - - -## ----------------------- ## -## Libtool initialization. ## -## ----------------------- ## -LT_PREREQ([2.2]) -LT_INIT([shared dlopen win32-dll]) - -AC_ARG_ENABLE([gcc-warnings], - [AS_HELP_STRING([--enable-gcc-warnings], - [turn on lots of GCC warnings (for developers)])], - [case $enableval in - yes|no) ;; - *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; - esac - gl_gcc_warnings=$enableval], - [gl_gcc_warnings=no] -) - -if test "$gl_gcc_warnings" = yes; then - gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) - AC_SUBST([WERROR_CFLAGS]) - - # This, $nw, is the list of warnings we disable. - nw= - nw="$nw -Waggregate-return" # K&R is anachronistic - nw="$nw -Wtraditional-conversion" # K&R is anachronistic - nw="$nw -Wundef" # K&R is anachronistic - nw="$nw -Wlong-long" # C90 is anachronistic - nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings - nw="$nw -Wpadded" # Our structs are not packed - nw="$nw -Wformat-nonliteral" # Needed in builtin.c - nw="$nw -Wconversion" # Too many warnings for now - nw="$nw -Wsign-conversion" # Too many warnings for now - nw="$nw -Wcast-qual" # Too many warnings for now - nw="$nw -Wswitch-enum" # Too many warnings for now - # gcc 4.4.6 complains enum-compare is C++ only; gcc 4.7.0 implies it in -Wall - nw="$nw -Wenum-compare" - - # Gnulib uses '#pragma GCC diagnostic push' to silence some - # warnings, but older gcc doesn't support this. - AC_CACHE_CHECK([whether pragma GCC diagnostic push works], - [M4_cv_gcc_pragma_push_works], [ - save_CFLAGS=$CFLAGS - CFLAGS='-Wunknown-pragmas -Werror' - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ - #pragma GCC diagnostic push - #pragma GCC diagnostic pop - ]])], - [M4_cv_gcc_pragma_push_works=yes], - [M4_cv_gcc_pragma_push_works=no]) - CFLAGS=$save_CFLAGS]) - if test $M4_cv_gcc_pragma_push_works = no; then - nw="$nw -Wmissing-prototypes" - nw="$nw -Wmissing-declarations" - nw="$nw -Wunreachable-code" - fi - - gl_MANYWARN_ALL_GCC([ws]) - gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw]) - for w in $ws; do - gl_WARN_ADD([$w]) - done - - gl_WARN_ADD([-fdiagnostics-show-option]) - gl_WARN_ADD([-funit-at-a-time]) - - AC_SUBST([WARN_CFLAGS]) - - AH_VERBATIM([FORTIFY_SOURCE], - [/* Enable compile-time and run-time bounds-checking, and some warnings, - without upsetting newer glibc. */ - #if defined __OPTIMIZE__ && __OPTIMIZE__ - # define _FORTIFY_SOURCE 2 - #endif - ]) -fi - -# Use gcc's -pipe option if available: for faster compilation. -case "$CFLAGS" in - *-pipe* ) ;; - * ) _LT_COMPILER_OPTION([if $compiler supports -pipe], - [M4_cv_prog_compiler_pipe], - [-pipe -c conftest.$ac_ext], [], - [CFLAGS="$CFLAGS -pipe"]) - ;; -esac - - -## ------------------------------- ## -## Dynamic Loader Characteristics. ## -## ------------------------------- ## - -LT_LIB_DLLOAD -LT_SYS_SYMBOL_USCORE - -LT_SYS_MODULE_EXT - -if test yes = "$sys_symbol_underscore"; then - libm4_shlibext=$libltdl_cv_shlibext - - AC_MSG_CHECKING([whether dlsym requires underscore prefixed symbols]) - AC_CACHE_VAL([libm4_cv_sys_dlsym_uscore], [dnl - libname=conftmod # stay within 8.3 filename limits! - cat >$libname.$ac_ext <<_M4_EOF -[#line $LINENO "configure" -#include "confdefs.h" -/* When -fvisibility=hidden is used, assume the code has been annotated - correspondingly for the symbols needed. */ -#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) -int fnord () __attribute__((visibility("default"))); -#endif -int fnord () { return 42; }] -_M4_EOF - - # fn_module_cmds module_cmds - # Execute tilde-delimited MODULE_CMDS with environment primed for - # ${module_cmds} or ${archive_cmds} type content. - fn_module_cmds () - {( # subshell avoids polluting parent global environment - module_cmds_save_ifs=$IFS; IFS='~' - for cmd in $1; do - IFS=$module_cmds_save_ifs - libobjs=$libname.$ac_objext; lib=$libname$libm4_shlibext - rpath=/not-exists; soname=$libname$libm4_shlibext; output_objdir=. - major=; versuffix=; verstring=; deplibs= - ECHO=echo; wl=$lt_prog_compiler_wl; allow_undefined_flag= - eval $cmd - done - IFS=$module_cmds_save_ifs - )} - - # Compile a loadable module using libtool macro expansion results. - $CC $pic_flag -c $libname.$ac_ext - fn_module_cmds "${module_cmds:-$archive_cmds}" - - # Try to fetch fnord with dlsym(). - libm4_dlunknown=0; libm4_dlnouscore=1; libm4_dluscore=2 - cat >conftest.$ac_ext <<_M4_EOF -[#line $LINENO "configure" -#include "confdefs.h" -#if HAVE_DLFCN_H -#include <dlfcn.h> -#endif -#include <stdio.h> -#ifndef RTLD_GLOBAL -# ifdef DL_GLOBAL -# define RTLD_GLOBAL DL_GLOBAL -# else -# define RTLD_GLOBAL 0 -# endif -#endif -#ifndef RTLD_NOW -# ifdef DL_NOW -# define RTLD_NOW DL_NOW -# else -# define RTLD_NOW 0 -# endif -#endif -int main () { - void *handle = dlopen ("`pwd`/$libname$libm4_shlibext", RTLD_GLOBAL|RTLD_NOW); - int status = $libm4_dlunknown; - if (handle) { - if (dlsym (handle, "fnord")) - status = $libm4_dlnouscore; - else { - if (dlsym (handle, "_fnord")) - status = $libm4_dluscore; - else - puts (dlerror ()); - } - dlclose (handle); - } else - puts (dlerror ()); - return status; -}] -_M4_EOF - if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then - (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null - libm4_status=$? - case x$libm4_status in - x$libm4_dlnouscore) libm4_cv_sys_dlsym_uscore=no ;; - x$libm4_dluscore) libm4_cv_sys_dlsym_uscore=yes ;; - x*) libm4_cv_sys_dlsym_uscore=unknown ;; - esac - fi - rm -rf conftest* $libname* - ]) - sys_dlsym_uscore=$libm4_cv_sys_dlsym_uscore - AC_MSG_RESULT($sys_dlsym_uscore) - if test yes = "$sys_dlsym_uscore"; then - AC_DEFINE([DLSYM_USCORE], [1], - [Define if dlsym() requires a leading underscore in symbol names.]) - fi -fi - -AC_DEFINE_UNQUOTED([PATH_SEPARATOR], ['$PATH_SEPARATOR'], - [Define this to system search path delimiter]) - - -## ---------------- ## -## Gettext support. ## -## ---------------- ## -AM_GNU_GETTEXT([external]) -AM_GNU_GETTEXT_NEED([need-formatstring-macros]) -AM_GNU_GETTEXT_VERSION([0.16]) -M4_GNU_GETTEXT - - -## --------------- ## -## Gnulib support. ## -## --------------- ## -M4_INIT - -gl_VERSION_ETC - -# Gnulib doesn't always do things quite the way M4 would like... -M4_ERROR -M4_GETOPT -M4_OBSTACK -M4_REGEX -M4_RENAME - - -## ------------------------- ## -## C headers required by M4. ## -## ------------------------- ## -AC_CHECK_HEADERS_ONCE([limits.h]) - -if test $ac_cv_header_stdbool_h = yes; then - INCLUDE_STDBOOL_H='#include <stdbool.h>' -else - INCLUDE_STDBOOL_H='#include <gnu/stdbool.h>' -fi -AC_SUBST([INCLUDE_STDBOOL_H]) - - -## --------------------------------- ## -## Library functions required by M4. ## -## --------------------------------- ## -AC_CHECK_FUNCS_ONCE([calloc strerror]) - -AM_WITH_DMALLOC - -M4_SYS_STACKOVF - -# This is for the modules -AC_STRUCT_TM -AC_FUNC_STRFTIME -AC_CHECK_FUNCS_ONCE([getcwd gethostname mktime uname]) - - -## ------------------ ## -## Configure options. ## -## ------------------ ## - -M4_LIB_GMP -AM_CONDITIONAL([USE_GMP], [test "x$USE_GMP" = xyes]) -M4_SYSCMD - - -## -------- ## -## Outputs. ## -## -------- ## -AC_CONFIG_FILES([ -Makefile -doc/Makefile -m4/gnu/Makefile -m4/system.h:m4/system_.h -tests/atlocal -tests/gnu/Makefile -]) - -AC_OUTPUT |