--- libgac/Makefile.am | 113 + libgac/Makefile.in | 860 ++ libgac/README | 2 + libgac/aclocal.m4 | 1180 +++ libgac/config.h.in | 97 + libgac/configure | 19552 ++++++++++++++++++++++++++++++++++++++++ libgac/configure.ac | 403 + libgac/libgac.c | 120 + libgac/libgac.spec.in | 11 + 9 files changed, 22338 insertions(+) create mode 100644 libgac/Makefile.am create mode 100644 libgac/Makefile.in create mode 100644 libgac/README create mode 100644 libgac/aclocal.m4 create mode 100644 libgac/config.h.in create mode 100755 libgac/configure create mode 100644 libgac/configure.ac create mode 100644 libgac/libgac.c create mode 100644 libgac/libgac.spec.in
diff --git a/libgac/Makefile.am b/libgac/Makefile.am new file mode 100644 index 00000000000..5348ee8ab9d --- /dev/null +++ b/libgac/Makefile.am @@ -0,0 +1,113 @@ +# Makefile for libgac. +# Copyright (C) 2025 Jose E. Marchesi. +# +# 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 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; see the file COPYING3. If not see +# <http://www.gnu.org/licenses/>. +# +# +# if this file is changed then you need to run +# +# autoreconf2.64 + +AUTOMAKE_OPTIONS = 1.8 foreign +ACLOCAL_AMFLAGS = -I .. -I ../config +# Multilib support. +MAKEOVERRIDES= + +gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER) +TOP_GCCDIR := $(shell cd $(top_srcdir) && cd .. && pwd) + +GCC_DIR = $(TOP_GCCDIR)/gcc +A68_SRC = $(GCC_DIR)/algol68 + +toolexeclibdir=@toolexeclibdir@ +toolexecdir=@toolexecdir@ + +if ENABLE_DARWIN_AT_RPATH +DARWIN_AT_RPATH=yes +else +DARWIN_AT_RPATH=yes +endif + +A68_BUILDDIR := $(shell pwd) + +# Work around what appears to be a GNU make bug handling MAKEFLAGS +# values defined in terms of make variables, as is the case for CC and +# friends when we are called from the top level Makefile. +AM_MAKEFLAGS = \ + "GCC_DIR=$(GCC_DIR)" \ + "GM2_SRC=$(GM2_SRC)" \ + "AR_FLAGS=$(AR_FLAGS)" \ + "CC_FOR_BUILD=$(CC_FOR_BUILD)" \ + "CC_FOR_TARGET=$(CC_FOR_TARGET)" \ + "GM2_FOR_TARGET=$(GM2_FOR_TARGET)" \ + "CFLAGS=$(CFLAGS)" \ + "CXXFLAGS=$(CXXFLAGS)" \ + "CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \ + "CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \ + "CFLAGS_LONGDOUBLE=$(CFLAGS_LONGDOUBLE)" \ + "EXPECT=$(EXPECT)" \ + "INSTALL=$(INSTALL)" \ + "INSTALL_DATA=$(INSTALL_DATA)" \ + "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \ + "INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \ + "LDFLAGS=$(LDFLAGS)" \ + "LIBCFLAGS=$(LIBCFLAGS)" \ + "LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \ + "MAKE=$(MAKE)" \ + "MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \ + "PICFLAG=$(PICFLAG)" \ + "PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \ + "SHELL=$(SHELL)" \ + "RUNTESTFLAGS=$(RUNTESTFLAGS)" \ + "exec_prefix=$(exec_prefix)" \ + "infodir=$(infodir)" \ + "libdir=$(libdir)" \ + "includedir=$(includedir)" \ + "prefix=$(prefix)" \ + "tooldir=$(tooldir)" \ + "gxx_include_dir=$(gxx_include_dir)" \ + "AR=$(AR)" \ + "AS=$(AS)" \ + "LD=$(LD)" \ + "RANLIB=$(RANLIB)" \ + "NM=$(NM)" \ + "NM_FOR_BUILD=$(NM_FOR_BUILD)" \ + "NM_FOR_TARGET=$(NM_FOR_TARGET)" \ + "DESTDIR=$(DESTDIR)" \ + "WERROR=$(WERROR)" \ + "TARGET_LIB_PATH=$(TARGET_LIB_PATH)" \ + "TARGET_LIB_PATH_libgm2=$(TARGET_LIB_PATH_libgm2)" \ + "LIBTOOL=$(A68_BUILDDIR)/libtool" \ + "DARWIN_AT_RPATH=$(DARWIN_AT_RPATH)" + +# Subdir rules rely on $(FLAGS_TO_PASS) +FLAGS_TO_PASS = $(AM_MAKEFLAGS) + +gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc + +toolexeclib_DATA = libgac.spec +toolexeclib_LTLIBRARIES = libgac.la + +libgac_la_SOURCES = libgac.c +libgac_la_LIBTOOLFLAGS = +libgac_la_CFLAGS = $(LIBGAC_GCFLAGS) $(LIBGAC_BOEHM_GC_INCLUDES) +libgac_la_LDFLAGS = -version-info $(libtool_VERSION) +libgac_la_DEPENDENCIES = libgac.spec +libgac_la_LIBADD = $(LIBGAC_BOEHM_GC_LIBS) + +# target overrides +-include $(tmake_file) + +include $(top_srcdir)/../multilib.am diff --git a/libgac/README b/libgac/README new file mode 100644 index 00000000000..7eef2bdc0bb --- /dev/null +++ b/libgac/README @@ -0,0 +1,2 @@ +This is the GNU Algol 68 run-time library. It provides the run-time +components needed by programs compiled by the gac compiler. diff --git a/libgac/aclocal.m4 b/libgac/aclocal.m4 new file mode 100644 index 00000000000..18036a28565 --- /dev/null +++ b/libgac/aclocal.m4 @@ -0,0 +1,1180 @@ +# generated automatically by aclocal 1.16.3 -*- Autoconf -*- + +# Copyright (C) 1996-2020 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, +[m4_warning([this file was generated for autoconf 2.69. +You have another version of autoconf. It may work, but is not guaranteed to. +If you have problems, you may need to regenerate the build system entirely. +To do so, use the procedure documented by the package, typically 'autoreconf'.])]) + +# Copyright (C) 2002-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_AUTOMAKE_VERSION(VERSION) +# ---------------------------- +# Automake X.Y traces this macro to ensure aclocal.m4 has been +# generated from the m4 files accompanying Automake X.Y. +# (This private macro should not be called outside this file.) +AC_DEFUN([AM_AUTOMAKE_VERSION], +[am__api_version='1.16' +dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to +dnl require some minimum version. Point them to the right macro. +m4_if([$1], [1.16.3], [], + [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl +]) + +# _AM_AUTOCONF_VERSION(VERSION) +# ----------------------------- +# aclocal traces this macro to find the Autoconf version. +# This is a private macro too. Using m4_define simplifies +# the logic in aclocal, which can simply ignore this definition. +m4_define([_AM_AUTOCONF_VERSION], []) + +# AM_SET_CURRENT_AUTOMAKE_VERSION +# ------------------------------- +# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced. +# This function is AC_REQUIREd by AM_INIT_AUTOMAKE. +AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION], +[AM_AUTOMAKE_VERSION([1.16.3])dnl +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))]) + +# Figure out how to run the assembler. -*- Autoconf -*- + +# Copyright (C) 2001-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_PROG_AS +# ---------- +AC_DEFUN([AM_PROG_AS], +[# By default we simply use the C compiler to build assembly code. +AC_REQUIRE([AC_PROG_CC]) +test "${CCAS+set}" = set || CCAS=$CC +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS +AC_ARG_VAR([CCAS], [assembler compiler command (defaults to CC)]) +AC_ARG_VAR([CCASFLAGS], [assembler compiler flags (defaults to CFLAGS)]) +_AM_IF_OPTION([no-dependencies],, [_AM_DEPENDENCIES([CCAS])])dnl +]) + +# AM_AUX_DIR_EXPAND -*- Autoconf -*- + +# Copyright (C) 2001-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets +# $ac_aux_dir to '$srcdir/foo'. In other projects, it is set to +# '$srcdir', '$srcdir/..', or '$srcdir/../..'. +# +# Of course, Automake must honor this variable whenever it calls a +# tool from the auxiliary directory. The problem is that $srcdir (and +# therefore $ac_aux_dir as well) can be either absolute or relative, +# depending on how configure is run. This is pretty annoying, since +# it makes $ac_aux_dir quite unusable in subdirectories: in the top +# source directory, any form will work fine, but in subdirectories a +# relative path needs to be adjusted first. +# +# $ac_aux_dir/missing +# fails when called from a subdirectory if $ac_aux_dir is relative +# $top_srcdir/$ac_aux_dir/missing +# fails if $ac_aux_dir is absolute, +# fails when called from a subdirectory in a VPATH build with +# a relative $ac_aux_dir +# +# The reason of the latter failure is that $top_srcdir and $ac_aux_dir +# are both prefixed by $srcdir. In an in-source build this is usually +# harmless because $srcdir is '.', but things will broke when you +# start a VPATH build or use an absolute $srcdir. +# +# So we could use something similar to $top_srcdir/$ac_aux_dir/missing, +# iff we strip the leading $srcdir from $ac_aux_dir. That would be: +# am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"` +# and then we would define $MISSING as +# MISSING="\${SHELL} $am_aux_dir/missing" +# This will work as long as MISSING is not called from configure, because +# unfortunately $(top_srcdir) has no meaning in configure. +# However there are other variables, like CC, which are often used in +# configure, and could therefore not use this "fixed" $ac_aux_dir. +# +# Another solution, used here, is to always expand $ac_aux_dir to an +# absolute PATH. The drawback is that using absolute paths prevent a +# configured tree to be moved without reconfiguration. + +AC_DEFUN([AM_AUX_DIR_EXPAND], +[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` +]) + +# AM_CONDITIONAL -*- Autoconf -*- + +# Copyright (C) 1997-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_CONDITIONAL(NAME, SHELL-CONDITION) +# ------------------------------------- +# Define a conditional. +AC_DEFUN([AM_CONDITIONAL], +[AC_PREREQ([2.52])dnl + m4_if([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], + [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl +AC_SUBST([$1_TRUE])dnl +AC_SUBST([$1_FALSE])dnl +_AM_SUBST_NOTMAKE([$1_TRUE])dnl +_AM_SUBST_NOTMAKE([$1_FALSE])dnl +m4_define([_AM_COND_VALUE_$1], [$2])dnl +if $2; then + $1_TRUE= + $1_FALSE='#' +else + $1_TRUE='#' + $1_FALSE= +fi +AC_CONFIG_COMMANDS_PRE( +[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then + AC_MSG_ERROR([[conditional "$1" was never defined. +Usually this means the macro was only invoked conditionally.]]) +fi])]) + +# Copyright (C) 1999-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + + +# There are a few dirty hacks below to avoid letting 'AC_PROG_CC' be +# written in clear, in which case automake, when reading aclocal.m4, +# will think it sees a *use*, and therefore will trigger all it's +# C support machinery. Also note that it means that autoscan, seeing +# CC etc. in the Makefile, will ask for an AC_PROG_CC use... + + +# _AM_DEPENDENCIES(NAME) +# ---------------------- +# See how the compiler implements dependency checking. +# NAME is "CC", "CXX", "OBJC", "OBJCXX", "UPC", or "GJC". +# We try a few techniques and use that to set a single cache variable. +# +# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was +# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular +# dependency, and given that the user is not expected to run this macro, +# just rely on AC_PROG_CC. +AC_DEFUN([_AM_DEPENDENCIES], +[AC_REQUIRE([AM_SET_DEPDIR])dnl +AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl +AC_REQUIRE([AM_MAKE_INCLUDE])dnl +AC_REQUIRE([AM_DEP_TRACK])dnl + +m4_if([$1], [CC], [depcc="$CC" am_compiler_list=], + [$1], [CXX], [depcc="$CXX" am_compiler_list=], + [$1], [OBJC], [depcc="$OBJC" am_compiler_list='gcc3 gcc'], + [$1], [OBJCXX], [depcc="$OBJCXX" am_compiler_list='gcc3 gcc'], + [$1], [UPC], [depcc="$UPC" am_compiler_list=], + [$1], [GCJ], [depcc="$GCJ" am_compiler_list='gcc3 gcc'], + [depcc="$$1" am_compiler_list=]) + +AC_CACHE_CHECK([dependency style of $depcc], + [am_cv_$1_dependencies_compiler_type], +[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named 'D' -- because '-MD' means "put the output + # in D". + rm -rf conftest.dir + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_$1_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp` + fi + am__universal=false + m4_case([$1], [CC], + [case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac], + [CXX], + [case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac]) + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_$1_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_$1_dependencies_compiler_type=none +fi +]) +AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type]) +AM_CONDITIONAL([am__fastdep$1], [ + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_$1_dependencies_compiler_type" = gcc3]) +]) + + +# AM_SET_DEPDIR +# ------------- +# Choose a directory name for dependency files. +# This macro is AC_REQUIREd in _AM_DEPENDENCIES. +AC_DEFUN([AM_SET_DEPDIR], +[AC_REQUIRE([AM_SET_LEADING_DOT])dnl +AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl +]) + + +# AM_DEP_TRACK +# ------------ +AC_DEFUN([AM_DEP_TRACK], +[AC_ARG_ENABLE([dependency-tracking], [dnl +AS_HELP_STRING( + [--enable-dependency-tracking], + [do not reject slow dependency extractors]) +AS_HELP_STRING( + [--disable-dependency-tracking], + [speeds up one-time build])]) +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' + am__nodep='_no' +fi +AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno]) +AC_SUBST([AMDEPBACKSLASH])dnl +_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl +AC_SUBST([am__nodep])dnl +_AM_SUBST_NOTMAKE([am__nodep])dnl +]) + +# Generate code to set up dependency tracking. -*- Autoconf -*- + +# Copyright (C) 1999-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_OUTPUT_DEPENDENCY_COMMANDS +# ------------------------------ +AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS], +[{ + # Older Autoconf quotes --file arguments for eval, but not when files + # are listed without --file. Let's play safe and only enable the eval + # if we detect the quoting. + # TODO: see whether this extra hack can be removed once we start + # requiring Autoconf 2.70 or later. + AS_CASE([$CONFIG_FILES], + [*\'*], [eval set x "$CONFIG_FILES"], + [*], [set x $CONFIG_FILES]) + shift + # Used to flag and report bootstrapping failures. + am_rc=0 + for am_mf + do + # Strip MF so we end up with the name of the file. + am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile which includes + # dependency-tracking related rules and includes. + # Grep'ing the whole file directly is not great: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \ + || continue + am_dirpart=`AS_DIRNAME(["$am_mf"])` + am_filepart=`AS_BASENAME(["$am_mf"])` + AM_RUN_LOG([cd "$am_dirpart" \ + && sed -e '/# am--include-marker/d' "$am_filepart" \ + | $MAKE -f - am--depfiles]) || am_rc=$? + done + if test $am_rc -ne 0; then + AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments + for automatic dependency tracking. If GNU make was not used, consider + re-running the configure script with MAKE="gmake" (or whatever is + necessary). You can also try re-running configure with the + '--disable-dependency-tracking' option to at least be able to build + the package (albeit without support for automatic dependency tracking).]) + fi + AS_UNSET([am_dirpart]) + AS_UNSET([am_filepart]) + AS_UNSET([am_mf]) + AS_UNSET([am_rc]) + rm -f conftest-deps.mk +} +])# _AM_OUTPUT_DEPENDENCY_COMMANDS + + +# AM_OUTPUT_DEPENDENCY_COMMANDS +# ----------------------------- +# This macro should only be invoked once -- use via AC_REQUIRE. +# +# This code is only required when automatic dependency tracking is enabled. +# This creates each '.Po' and '.Plo' makefile fragment that we'll need in +# order to bootstrap the dependency handling code. +AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS], +[AC_CONFIG_COMMANDS([depfiles], + [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS], + [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])]) + +# Do all the work for Automake. -*- Autoconf -*- + +# Copyright (C) 1996-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This macro actually does too much. Some checks are only needed if +# your package does certain things. But this isn't really a big deal. + +dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O. +m4_define([AC_PROG_CC], +m4_defn([AC_PROG_CC]) +[_AM_PROG_CC_C_O +]) + +# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE]) +# AM_INIT_AUTOMAKE([OPTIONS]) +# ----------------------------------------------- +# The call with PACKAGE and VERSION arguments is the old style +# call (pre autoconf-2.50), which is being phased out. PACKAGE +# and VERSION should now be passed to AC_INIT and removed from +# the call to AM_INIT_AUTOMAKE. +# We support both call styles for the transition. After +# the next Automake release, Autoconf can make the AC_INIT +# arguments mandatory, and then we can depend on a new Autoconf +# release and drop the old call support. +AC_DEFUN([AM_INIT_AUTOMAKE], +[AC_PREREQ([2.65])dnl +dnl Autoconf wants to disallow AM_ names. We explicitly allow +dnl the ones we care about. +m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl +AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl +AC_REQUIRE([AC_PROG_INSTALL])dnl +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi +AC_SUBST([CYGPATH_W]) + +# Define the identity of the package. +dnl Distinguish between old-style and new-style calls. +m4_ifval([$2], +[AC_DIAGNOSE([obsolete], + [$0: two- and three-arguments forms are deprecated.]) +m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl + AC_SUBST([PACKAGE], [$1])dnl + AC_SUBST([VERSION], [$2])], +[_AM_SET_OPTIONS([$1])dnl +dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT. +m4_if( + m4_ifdef([AC_PACKAGE_NAME], [ok]):m4_ifdef([AC_PACKAGE_VERSION], [ok]), + [ok:ok],, + [m4_fatal([AC_INIT should be called with package and version arguments])])dnl + AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl + AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl + +_AM_IF_OPTION([no-define],, +[AC_DEFINE_UNQUOTED([PACKAGE], ["$PACKAGE"], [Name of package]) + AC_DEFINE_UNQUOTED([VERSION], ["$VERSION"], [Version number of package])])dnl + +# Some tools Automake needs. +AC_REQUIRE([AM_SANITY_CHECK])dnl +AC_REQUIRE([AC_ARG_PROGRAM])dnl +AM_MISSING_PROG([ACLOCAL], [aclocal-${am__api_version}]) +AM_MISSING_PROG([AUTOCONF], [autoconf]) +AM_MISSING_PROG([AUTOMAKE], [automake-${am__api_version}]) +AM_MISSING_PROG([AUTOHEADER], [autoheader]) +AM_MISSING_PROG([MAKEINFO], [makeinfo]) +AC_REQUIRE([AM_PROG_INSTALL_SH])dnl +AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl +AC_REQUIRE([AC_PROG_MKDIR_P])dnl +# For better backward compatibility. To be removed once Automake 1.9.x +# dies out for good. For more background, see: +# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html> +# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html> +AC_SUBST([mkdir_p], ['$(MKDIR_P)']) +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([AC_PROG_MAKE_SET])dnl +AC_REQUIRE([AM_SET_LEADING_DOT])dnl +_AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])], + [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])], + [_AM_PROG_TAR([v7])])]) +_AM_IF_OPTION([no-dependencies],, +[AC_PROVIDE_IFELSE([AC_PROG_CC], + [_AM_DEPENDENCIES([CC])], + [m4_define([AC_PROG_CC], + m4_defn([AC_PROG_CC])[_AM_DEPENDENCIES([CC])])])dnl +AC_PROVIDE_IFELSE([AC_PROG_CXX], + [_AM_DEPENDENCIES([CXX])], + [m4_define([AC_PROG_CXX], + m4_defn([AC_PROG_CXX])[_AM_DEPENDENCIES([CXX])])])dnl +AC_PROVIDE_IFELSE([AC_PROG_OBJC], + [_AM_DEPENDENCIES([OBJC])], + [m4_define([AC_PROG_OBJC], + m4_defn([AC_PROG_OBJC])[_AM_DEPENDENCIES([OBJC])])])dnl +AC_PROVIDE_IFELSE([AC_PROG_OBJCXX], + [_AM_DEPENDENCIES([OBJCXX])], + [m4_define([AC_PROG_OBJCXX], + m4_defn([AC_PROG_OBJCXX])[_AM_DEPENDENCIES([OBJCXX])])])dnl +]) +AC_REQUIRE([AM_SILENT_RULES])dnl +dnl The testsuite driver may need to know about EXEEXT, so add the +dnl 'am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen. This +dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below. +AC_CONFIG_COMMANDS_PRE(dnl +[m4_provide_if([_AM_COMPILER_EXEEXT], + [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542> + +Please tell bug-autom...@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: <https://www.gnu.org/software/coreutils/>. + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + AC_MSG_ERROR([Your 'rm' program is bad, sorry.]) + fi +fi +dnl The trailing newline in this macro's definition is deliberate, for +dnl backward compatibility and to allow trailing 'dnl'-style comments +dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841. +]) + +dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not +dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further +dnl mangled by Autoconf and run in a shell conditional statement. +m4_define([_AC_COMPILER_EXEEXT], +m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])]) + +# When config.status generates a header, we must update the stamp-h file. +# This file resides in the same directory as the config header +# that is generated. The stamp files are numbered to have different names. + +# Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the +# loop where config.status creates the headers, so we can generate +# our stamp files there. +AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK], +[# Compute $1's index in $config_headers. +_am_arg=$1 +_am_stamp_count=1 +for _am_header in $config_headers :; do + case $_am_header in + $_am_arg | $_am_arg:* ) + break ;; + * ) + _am_stamp_count=`expr $_am_stamp_count + 1` ;; + esac +done +echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count]) + +# Copyright (C) 2001-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_PROG_INSTALL_SH +# ------------------ +# Define $install_sh. +AC_DEFUN([AM_PROG_INSTALL_SH], +[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi +AC_SUBST([install_sh])]) + +# Add --enable-maintainer-mode option to configure. -*- Autoconf -*- +# From Jim Meyering + +# Copyright (C) 1996-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_MAINTAINER_MODE([DEFAULT-MODE]) +# ---------------------------------- +# Control maintainer-specific portions of Makefiles. +# Default is to disable them, unless 'enable' is passed literally. +# For symmetry, 'disable' may be passed as well. Anyway, the user +# can override the default with the --enable/--disable switch. +AC_DEFUN([AM_MAINTAINER_MODE], +[m4_case(m4_default([$1], [disable]), + [enable], [m4_define([am_maintainer_other], [disable])], + [disable], [m4_define([am_maintainer_other], [enable])], + [m4_define([am_maintainer_other], [enable]) + m4_warn([syntax], [unexpected argument to AM@&t@_MAINTAINER_MODE: $1])]) +AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) + dnl maintainer-mode's default is 'disable' unless 'enable' is passed + AC_ARG_ENABLE([maintainer-mode], + [AS_HELP_STRING([--]am_maintainer_other[-maintainer-mode], + am_maintainer_other[ make rules and dependencies not useful + (and sometimes confusing) to the casual installer])], + [USE_MAINTAINER_MODE=$enableval], + [USE_MAINTAINER_MODE=]m4_if(am_maintainer_other, [enable], [no], [yes])) + AC_MSG_RESULT([$USE_MAINTAINER_MODE]) + AM_CONDITIONAL([MAINTAINER_MODE], [test $USE_MAINTAINER_MODE = yes]) + MAINT=$MAINTAINER_MODE_TRUE + AC_SUBST([MAINT])dnl +] +) + +# Check to see how 'make' treats includes. -*- Autoconf -*- + +# Copyright (C) 2001-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_MAKE_INCLUDE() +# ----------------- +# Check whether make has an 'include' directive that can support all +# the idioms we need for our automatic dependency tracking code. +AC_DEFUN([AM_MAKE_INCLUDE], +[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive]) +cat > confinc.mk << 'END' +am__doit: + @echo this is the am__doit target >confinc.out +.PHONY: am__doit +END +am__include="#" +am__quote= +# BSD make does it like this. +echo '.include "confinc.mk" # ignored' > confmf.BSD +# Other make implementations (GNU, Solaris 10, AIX) do it like this. +echo 'include confinc.mk # ignored' > confmf.GNU +_am_result=no +for s in GNU BSD; do + AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out]) + AS_CASE([$?:`cat confinc.out 2>/dev/null`], + ['0:this is the am__doit target'], + [AS_CASE([$s], + [BSD], [am__include='.include' am__quote='"'], + [am__include='include' am__quote=''])]) + if test "$am__include" != "#"; then + _am_result="yes ($s style)" + break + fi +done +rm -f confinc.* confmf.* +AC_MSG_RESULT([${_am_result}]) +AC_SUBST([am__include])]) +AC_SUBST([am__quote])]) + +# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*- + +# Copyright (C) 1997-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_MISSING_PROG(NAME, PROGRAM) +# ------------------------------ +AC_DEFUN([AM_MISSING_PROG], +[AC_REQUIRE([AM_MISSING_HAS_RUN]) +$1=${$1-"${am_missing_run}$2"} +AC_SUBST($1)]) + +# AM_MISSING_HAS_RUN +# ------------------ +# Define MISSING if not defined so far and test if it is modern enough. +# If it is, set am_missing_run to use it, otherwise, to nothing. +AC_DEFUN([AM_MISSING_HAS_RUN], +[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl +AC_REQUIRE_AUX_FILE([missing])dnl +if test x"${MISSING+set}" != xset; then + MISSING="\${SHELL} '$am_aux_dir/missing'" +fi +# Use eval to expand $SHELL +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " +else + am_missing_run= + AC_MSG_WARN(['missing' script is too old or missing]) +fi +]) + +# Helper functions for option handling. -*- Autoconf -*- + +# Copyright (C) 2001-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_MANGLE_OPTION(NAME) +# ----------------------- +AC_DEFUN([_AM_MANGLE_OPTION], +[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])]) + +# _AM_SET_OPTION(NAME) +# -------------------- +# Set option NAME. Presently that only means defining a flag for this option. +AC_DEFUN([_AM_SET_OPTION], +[m4_define(_AM_MANGLE_OPTION([$1]), [1])]) + +# _AM_SET_OPTIONS(OPTIONS) +# ------------------------ +# OPTIONS is a space-separated list of Automake options. +AC_DEFUN([_AM_SET_OPTIONS], +[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])]) + +# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET]) +# ------------------------------------------- +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +AC_DEFUN([_AM_IF_OPTION], +[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])]) + +# Copyright (C) 1999-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_PROG_CC_C_O +# --------------- +# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC +# to automatically call this. +AC_DEFUN([_AM_PROG_CC_C_O], +[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl +AC_REQUIRE_AUX_FILE([compile])dnl +AC_LANG_PUSH([C])dnl +AC_CACHE_CHECK( + [whether $CC understands -c and -o together], + [am_cv_prog_cc_c_o], + [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])]) + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i]) +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +AC_LANG_POP([C])]) + +# For backward compatibility. +AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])]) + +# Copyright (C) 2001-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_RUN_LOG(COMMAND) +# ------------------- +# Run COMMAND, save the exit status in ac_status, and log it. +# (This has been adapted from Autoconf's _AC_RUN_LOG macro.) +AC_DEFUN([AM_RUN_LOG], +[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD + ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + (exit $ac_status); }]) + +# Check to make sure that the build environment is sane. -*- Autoconf -*- + +# Copyright (C) 1996-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_SANITY_CHECK +# --------------- +AC_DEFUN([AM_SANITY_CHECK], +[AC_MSG_CHECKING([whether build environment is sane]) +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[[\\\"\#\$\&\'\`$am_lf]]*) + AC_MSG_ERROR([unsafe absolute working directory name]);; +esac +case $srcdir in + *[[\\\"\#\$\&\'\`$am_lf\ \ ]]*) + AC_MSG_ERROR([unsafe srcdir value: '$srcdir']);; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$[*]" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$[*]" != "X $srcdir/configure conftest.file" \ + && test "$[*]" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken + alias in your environment]) + fi + if test "$[2]" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$[2]" = conftest.file + ) +then + # Ok. + : +else + AC_MSG_ERROR([newly created file is older than distributed files! +Check your system clock]) +fi +AC_MSG_RESULT([yes]) +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi +AC_CONFIG_COMMANDS_PRE( + [AC_MSG_CHECKING([that generated files are newer than configure]) + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + AC_MSG_RESULT([done])]) +rm -f conftest.file +]) + +# Copyright (C) 2009-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_SILENT_RULES([DEFAULT]) +# -------------------------- +# Enable less verbose build rules; with the default set to DEFAULT +# ("yes" being less verbose, "no" or empty being verbose). +AC_DEFUN([AM_SILENT_RULES], +[AC_ARG_ENABLE([silent-rules], [dnl +AS_HELP_STRING( + [--enable-silent-rules], + [less verbose build output (undo: "make V=1")]) +AS_HELP_STRING( + [--disable-silent-rules], + [verbose build output (undo: "make V=0")])dnl +]) +case $enable_silent_rules in @%:@ ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=m4_if([$1], [yes], [0], [1]);; +esac +dnl +dnl A few 'make' implementations (e.g., NonStop OS and NextStep) +dnl do not support nested variable expansions. +dnl See automake bug#9928 and bug#10237. +am_make=${MAKE-make} +AC_CACHE_CHECK([whether $am_make supports nested variables], + [am_cv_make_support_nested_variables], + [if AS_ECHO([['TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit']]) | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi]) +if test $am_cv_make_support_nested_variables = yes; then + dnl Using '$V' instead of '$(V)' breaks IRIX make. + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AC_SUBST([AM_V])dnl +AM_SUBST_NOTMAKE([AM_V])dnl +AC_SUBST([AM_DEFAULT_V])dnl +AM_SUBST_NOTMAKE([AM_DEFAULT_V])dnl +AC_SUBST([AM_DEFAULT_VERBOSITY])dnl +AM_BACKSLASH='\' +AC_SUBST([AM_BACKSLASH])dnl +_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl +]) + +# Copyright (C) 2001-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# AM_PROG_INSTALL_STRIP +# --------------------- +# One issue with vendor 'install' (even GNU) is that you can't +# specify the program used to strip binaries. This is especially +# annoying in cross-compiling environments, where the build's strip +# is unlikely to handle the host's binaries. +# Fortunately install-sh will honor a STRIPPROG variable, so we +# always use install-sh in "make install-strip", and initialize +# STRIPPROG with the value of the STRIP variable (set by the user). +AC_DEFUN([AM_PROG_INSTALL_STRIP], +[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +dnl Don't test for $cross_compiling = yes, because it might be 'maybe'. +if test "$cross_compiling" != no; then + AC_CHECK_TOOL([STRIP], [strip], :) +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" +AC_SUBST([INSTALL_STRIP_PROGRAM])]) + +# Copyright (C) 2006-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_SUBST_NOTMAKE(VARIABLE) +# --------------------------- +# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in. +# This macro is traced by Automake. +AC_DEFUN([_AM_SUBST_NOTMAKE]) + +# AM_SUBST_NOTMAKE(VARIABLE) +# -------------------------- +# Public sister of _AM_SUBST_NOTMAKE. +AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)]) + +# Check how to create a tarball. -*- Autoconf -*- + +# Copyright (C) 2004-2020 Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# _AM_PROG_TAR(FORMAT) +# -------------------- +# Check how to create a tarball in format FORMAT. +# FORMAT should be one of 'v7', 'ustar', or 'pax'. +# +# Substitute a variable $(am__tar) that is a command +# writing to stdout a FORMAT-tarball containing the directory +# $tardir. +# tardir=directory && $(am__tar) > result.tar +# +# Substitute a variable $(am__untar) that extract such +# a tarball read from stdin. +# $(am__untar) < result.tar +# +AC_DEFUN([_AM_PROG_TAR], +[# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' + +m4_if([$1], [v7], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], + + [m4_case([$1], + [ustar], + [# The POSIX 1988 'ustar' format is defined with fixed-size fields. + # There is notably a 21 bits limit for the UID and the GID. In fact, + # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 + # and bug#13588). + am_max_uid=2097151 # 2^21 - 1 + am_max_gid=$am_max_uid + # The $UID and $GID variables are not portable, so we need to resort + # to the POSIX-mandated id(1) utility. Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) + if test $am_uid -le $am_max_uid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi + AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) + if test $am_gid -le $am_max_gid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi], + + [pax], + [], + + [m4_fatal([Unknown tar format])]) + + AC_MSG_CHECKING([how to create a $1 tar archive]) + + # Go ahead even if we have the value already cached. We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_$1-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + AM_RUN_LOG([$_am_tar --version]) && break + done + am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x $1 -w "$$tardir"' + am__tar_='pax -L -x $1 -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H $1 -L' + am__tar_='find "$tardir" -print | cpio -o -H $1 -L' + am__untar='cpio -i -H $1 -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar <conftest.tar]) + AM_RUN_LOG([cat conftest.dir/file]) + grep GrepMe conftest.dir/file >/dev/null 2>&1 && break + fi + done + rm -rf conftest.dir + + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([../config/acx.m4]) +m4_include([../config/depstand.m4]) +m4_include([../config/lead-dot.m4]) +m4_include([../config/multi.m4]) +m4_include([../config/no-executables.m4]) +m4_include([../config/override.m4]) +m4_include([../libtool.m4]) +m4_include([../ltoptions.m4]) +m4_include([../ltsugar.m4]) +m4_include([../ltversion.m4]) +m4_include([../lt~obsolete.m4]) diff --git a/libgac/config.h.in b/libgac/config.h.in new file mode 100644 index 00000000000..c3f4baf60a6 --- /dev/null +++ b/libgac/config.h.in @@ -0,0 +1,97 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define to 1 if you have the <dlfcn.h> header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the <inttypes.h> header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the <malloc.h> header file. */ +#undef HAVE_MALLOC_H + +/* Define to 1 if you have the <memory.h> header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the <stdint.h> header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the <stdlib.h> header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the <strings.h> header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the <string.h> header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the <sys/stat.h> header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the <sys/types.h> header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the <unistd.h> header file. */ +#undef HAVE_UNISTD_H + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#undef LT_OBJDIR + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif + + +/* Version number of package */ +#undef VERSION + +/* Define to 1 if on MINIX. */ +#undef _MINIX + +/* Define to 2 if the system does not provide POSIX.1 features except with + this defined. */ +#undef _POSIX_1_SOURCE + +/* Define to 1 if you need to in order for `stat' and other things to work. */ +#undef _POSIX_SOURCE diff --git a/libgac/configure.ac b/libgac/configure.ac new file mode 100644 index 00000000000..584845cc1ad --- /dev/null +++ b/libgac/configure.ac @@ -0,0 +1,403 @@ +# Configure script for libgac. +# Copyright (C) 2025 Jose E. Marchesi. + +# This file is NOT part of GCC. + +# GCC 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, or (at your option) +# any later version. + +# GCC 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 GCC; see the file COPYING3. If not see +# <http://www.gnu.org/licenses/>. + +# Configure looks for the existence of this file to auto-config each language. +# We define several parameters used by configure: + +# Process this file with autoreconf to produce a configure script. + +AC_INIT(package-unused, version-unused,,libgac) +AC_CONFIG_SRCDIR(Makefile.am) +AC_CONFIG_HEADER(config.h) + +libtool_VERSION=19:0:0 +AC_SUBST(libtool_VERSION) + +AM_ENABLE_MULTILIB(, ..) + +GCC_NO_EXECUTABLES + +AC_USE_SYSTEM_EXTENSIONS + +# Do not delete or change the following two lines. For why, see +# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html +AC_CANONICAL_SYSTEM +target_alias=${target_alias-$host_alias} +AC_SUBST(target_alias) + +if test "$build" != "$host"; then + # We are being configured with some form of cross compiler. + GLIBCXX_IS_NATIVE=false + case "$host","$target" in + # Darwin crosses can use the host system's libraries and headers, + # because of the fat library support. Of course, it must be the + # same version of Darwin on both sides. Allow the user to + # just say --target=foo-darwin without a version number to mean + # "the version on this system". + *-*-darwin*,*-*-darwin*) + hostos=`echo $host | sed 's/.*-darwin/darwin/'` + targetos=`echo $target | sed 's/.*-darwin/darwin/'` + if test $hostos = $targetos || test $targetos = darwin ; then + GLIBCXX_IS_NATIVE=true + fi + ;; + + *) + GCC_NO_EXECUTABLES + ;; + esac +else + GLIBCXX_IS_NATIVE=true +fi + +# Runs configure.host, and assorted other critical bits. Sets +# up critical shell variables. +GLIBCXX_CONFIGURE + +AM_INIT_AUTOMAKE([1.15.1 no-define foreign no-dist -Wall -Wno-portability]) + +AH_TEMPLATE(PACKAGE, [Name of package]) +AH_TEMPLATE(VERSION, [Version number of package]) + +AC_ARG_WITH(cross-host, +[ --with-cross-host=HOST Configuring with a cross compiler]) + +# Checks for header files. +AC_CHECK_HEADERS(malloc.h) + +AC_CANONICAL_HOST +ACX_NONCANONICAL_HOST +ACX_NONCANONICAL_TARGET +GCC_TOPLEV_SUBDIRS + +AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) +AC_ARG_ENABLE(version-specific-runtime-libs, +[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], +[case "$enableval" in + yes) version_specific_libs=yes ;; + no) version_specific_libs=no ;; + *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; + esac], +[version_specific_libs=no]) +AC_MSG_RESULT($version_specific_libs) + +AC_ARG_WITH(slibdir, +[ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], +slibdir="$with_slibdir", +if test "${version_specific_libs}" = yes; then + slibdir='$(libsubdir)' +elif test -n "$with_cross_host" && test x"$with_cross_host" != x"no"; then + slibdir='$(exec_prefix)/$(host_noncanonical)/lib' +else + slibdir='$(libdir)' +fi) +AC_SUBST(slibdir) + +# Command-line options. +# Very limited version of AC_MAINTAINER_MODE. +AC_ARG_ENABLE([maintainer-mode], + [AC_HELP_STRING([--enable-maintainer-mode], + [enable make rules and dependencies not useful (and + sometimes confusing) to the casual installer])], + [case ${enable_maintainer_mode} in + yes) MAINT='' ;; + no) MAINT='#' ;; + *) AC_MSG_ERROR([--enable-maintainer-mode must be yes or no]) ;; + esac + maintainer_mode=${enableval}], + [MAINT='#']) +AC_SUBST([MAINT])dnl + +toolexecdir=no +toolexeclibdir=no + +# Calculate toolexeclibdir +# Also toolexecdir, though it's only used in toolexeclibdir +case ${version_specific_libs} in + yes) + # Need the gcc compiler version to know where to install libraries + # and header files if --enable-version-specific-runtime-libs option + # is selected. + toolexecdir='$(libdir)/gcc/$(target_noncanonical)' + toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)' + ;; + no) + if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + # Install a library built with a cross compiler in tooldir, not libdir. + toolexecdir='$(exec_prefix)/$(target_noncanonical)' + toolexeclibdir='$(toolexecdir)/lib' + else + toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)' + toolexeclibdir='$(libdir)' + fi + multi_os_directory=`$CC -print-multi-os-directory` + case $multi_os_directory in + .) ;; # Avoid trailing /. + *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;; + esac + ;; +esac + +AC_SUBST(toolexecdir) +AC_SUBST(toolexeclibdir) + +AH_TEMPLATE(PACKAGE, [Name of package]) +AH_TEMPLATE(VERSION, [Version number of package]) + +AM_MAINTAINER_MODE + +# Check the compiler. +# The same as in boehm-gc and libstdc++. Have to borrow it from there. +# We must force CC to /not/ be precious variables; otherwise +# the wrong, non-multilib-adjusted value will be used in multilibs. +# As a side effect, we have to subst CFLAGS ourselves. + +m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) +m4_define([_AC_ARG_VAR_PRECIOUS],[]) +AC_PROG_CC +AC_PROG_CXX +AM_PROG_AS +m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) + +AC_SUBST(CFLAGS) + +# In order to override CFLAGS_FOR_TARGET, all of our special flags go +# in XCFLAGS. But we need them in CFLAGS during configury. So put them +# in both places for now and restore CFLAGS at the end of config. +save_CFLAGS="$CFLAGS" + +# Find other programs we need. +AC_CHECK_TOOL(AR, ar) +AC_CHECK_TOOL(NM, nm) +AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error) +AC_PROG_MAKE_SET +AC_PROG_INSTALL + +AM_PROG_LIBTOOL +LT_INIT +AC_LIBTOOL_DLOPEN + +AM_CONDITIONAL([ENABLE_DARWIN_AT_RPATH], [test x$enable_darwin_at_rpath = xyes]) + +AC_SUBST(enable_shared) +AC_SUBST(enable_static) + +if test "${multilib}" = "yes"; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +AC_LANG_C +# Check the compiler. +# The same as in boehm-gc and libstdc++. Have to borrow it from there. +# We must force CC to /not/ be precious variables; otherwise +# the wrong, non-multilib-adjusted value will be used in multilibs. +# As a side effect, we have to subst CFLAGS ourselves. + +m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) +m4_define([_AC_ARG_VAR_PRECIOUS],[]) +AC_PROG_CC +m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) + +AC_SUBST(CFLAGS) + +CC_FOR_BUILD=${CC_FOR_BUILD:-gcc} +AC_SUBST(CC_FOR_BUILD) + +# Add dependencies for libgac.spec file +SPEC_LIBGAC_DEPS="$LIBS" +AC_SUBST(SPEC_LIBGAC_DEPS) + +# libgac soname version +libtool_VERSION=1:0:0 +AC_SUBST(libgac_VERSION) + +# The Boehm GC + +AC_ARG_ENABLE(algol68-gc, +[AS_HELP_STRING([--enable-algol68-gc], + [enable use of Boehm's garbage collector with the + GNU Algol runtime])],,enable_algol68_gc=no) +AC_ARG_WITH([target-bdw-gc], +[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], + [specify prefix directory for installed bdw-gc package. + Equivalent to --with-target-bdw-gc-include=PATH/include + plus --with-target-bdw-gc-lib=PATH/lib])]) +AC_ARG_WITH([target-bdw-gc-include], +[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], + [specify directories for installed bdw-gc include files])]) +AC_ARG_WITH([target-bdw-gc-lib], +[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], + [specify directories for installed bdw-gc library])]) + +case "$enable_algol68_gc" in +no) + use_bdw_gc=no + ;; +*) + AC_MSG_CHECKING([for bdw garbage collector]) + if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then + dnl no bdw-gw options, assuming bdw-gc in default locations + BDW_GC_CFLAGS= + BDW_GC_LIBS="-lgc" + else + dnl bdw-gw options passed by configure flags + if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then + AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) + elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then + AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) + else + AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) + fi + mldir=`${CC-gcc} --print-multi-directory 2>/dev/null` + bdw_val= + if test "x$with_target_bdw_gc" != x; then + for i in `echo $with_target_bdw_gc | tr ',' ' '`; do + case "$i" in + *=*) sd=${i%%=*}; d=${i#*=} ;; + *) sd=.; d=$i ;; + esac + if test "$mldir" = "$sd"; then + bdw_val=$d + fi + done + if test "x$bdw_val" = x; then + AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc]) + fi + bdw_inc_dir="$bdw_val/include" + bdw_lib_dir="$bdw_val/lib" + fi + bdw_val= + if test "x$with_target_bdw_gc_include" != x; then + for i in `echo $with_target_bdw_gc_include | tr ',' ' '`; do + case "$i" in + *=*) sd=${i%%=*}; d=${i#*=} ;; + *) sd=.; d=$i; fallback=$i ;; + esac + if test "$mldir" = "$sd"; then + bdw_val=$d + fi + done + if test "x$bdw_val" = x && test "x$bdw_inc_dir" = x && test "x$fallback" != x; then + bdw_inc_dir="$fallback" + elif test "x$bdw_val" = x; then + AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-include]) + else + bdw_inc_dir="$bdw_val" + fi + fi + bdw_val= + if test "x$with_target_bdw_gc_lib" != x; then + for i in `echo $with_target_bdw_gc_lib | tr ',' ' '`; do + case "$i" in + *=*) sd=${i%%=*}; d=${i#*=} ;; + *) sd=.; d=$i ;; + esac + if test "$mldir" = "$sd"; then + bdw_val=$d + fi + done + if test "x$bdw_val" = x; then + AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-lib]) + fi + bdw_lib_dir="$bdw_val" + fi + if test "x$bdw_inc_dir" = x; then + AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-include]) + fi + if test "x$bdw_lib_dir" = x; then + AC_MSG_ERROR([no multilib path ($mldir) found in --with-target-bdw-gc-lib]) + fi + BDW_GC_CFLAGS="-I$bdw_inc_dir" + if test -f $bdw_lib_dir/libgc.la; then + BDW_GC_LIBS="$bdw_lib_dir/libgc.la" + else + BDW_GC_LIBS="-L$bdw_lib_dir -lgc" + fi + AC_MSG_RESULT([found]) + fi + + case "$BDW_GC_LIBS" in + *libgc.la) + use_bdw_gc=yes + ;; + *) + AC_MSG_CHECKING([for system boehm-gc]) + save_CFLAGS=$CFLAGS + save_LIBS=$LIBS + CFLAGS="$CFLAGS $BDW_GC_CFLAGS" + LIBS="$LIBS $BDW_GC_LIBS" + dnl the link test is not good enough for ARM32 multilib detection, + dnl first check to link, then to run + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([#include <gc/gc.h>],[GC_init()])], + [ + AC_RUN_IFELSE([AC_LANG_SOURCE([[ + #include <gc/gc.h> + int main() { + GC_init(); + return 0; + } + ]])], + [system_bdw_gc_found=yes], + [system_bdw_gc_found=no], + dnl assume no system boehm-gc for cross builds ... + [system_bdw_gc_found=no] + ) + ], + [system_bdw_gc_found=no]) + CFLAGS=$save_CFLAGS + LIBS=$save_LIBS + if test x$enable_algol68_gc = xauto && test x$system_bdw_gc_found = xno; then + AC_MSG_WARN([system bdw-gc not found, building libgac with no GC support]) + use_bdw_gc=no + elif test x$enable_algol68_gc = xyes && test x$system_bdw_gc_found = xno; then + AC_MSG_ERROR([system bdw-gc required but not found]) + else + use_bdw_gc=yes + AC_MSG_RESULT([found]) + fi + esac +esac + +if test "$use_bdw_gc" = no; then + LIBGAC_GCFLAGS='' + LIBGAC_BOEHM_GC_INCLUDES='' + LIBGAC_BOEHM_GC_LIBS='' +else + LIBGAC_GCFLAGS='-DLIBGAC_WITH_GC=1' + LIBGAC_BOEHM_GC_INCLUDES=$BDW_GC_CFLAGS + LIBGAC_BOEHM_GC_LIBS=$BDW_GC_LIBS +fi +AC_SUBST(LIBGAC_GCFLAGS) +AC_SUBST(LIBGAC_BOEHM_GC_INCLUDES) +AC_SUBST(LIBGAC_BOEHM_GC_LIBS) + +# Determine what GCC version number to use in filesystem paths. +GCC_BASE_VER + +AC_CONFIG_SRCDIR([Makefile.am]) +AC_CONFIG_FILES([Makefile]) +AC_CONFIG_FILES(libgac.spec) + +AC_MSG_NOTICE([libgac has been configured.]) + +AC_OUTPUT diff --git a/libgac/libgac.c b/libgac/libgac.c new file mode 100644 index 00000000000..e4be9ef4bf7 --- /dev/null +++ b/libgac/libgac.c @@ -0,0 +1,120 @@ +/* GNU Algol Compiler run-time. + Copyright (C) 2025 Jose E. Marchesi. + + This file is NOT part of GCC. + + GCC 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, or (at your option) any later version. + + GCC 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. + + Under Section 7 of GPL version 3, you are granted additional permissions + described in the GCC Runtime Library Exception, version 3.1, as published by + the Free Software Foundation. + + You should have received a copy of the GNU General Public License and a copy + of the GCC Runtime Library Exception along with this program; see the files + COPYING3 and COPYING.RUNTIME respectively. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> + +/* Run-time error handling. */ + +void +_libgac_abort (const char *fmt, ...) +{ + va_list ap; + + va_start (ap, fmt); + vfprintf (stderr, fmt, ap); + abort (); + va_end (ap); +} + +/* Assertion failure. */ + +void +_libgac_assert (const char *filename, unsigned int lineno) +{ + _libgac_abort ("run-time error: ASSERT failure at %s:%u\n", + filename, lineno); +} + +/* Bounds failure. */ + +void +_libgac_bounds (const char *filename, unsigned int lineno, + ssize_t index, ssize_t lower_bound, ssize_t upper_bound) +{ + _libgac_abort ("run-time error: bound %d out of range [%d:%d] at %s:%d\n", + index, lower_bound, upper_bound, filename, lineno); +} + +/* Heap allocation routines. */ + +#if LIBGAC_WITH_GC +#include <gc/gc.h> + +static void +init_heap (void) +{ + if (!GC_is_init_called ()) + { + GC_INIT (); + /* GC_allow_register_threads (); */ + } +} + +void * +libgac_malloc (size_t size) +{ + void *res = (void *) GC_malloc (size); + if (!res) + _libgac_abort ("Virtual memory exhausted\n"); + return res; +} + +#else + +static void +init_heap (void) +{ +} + +void * +libgac_malloc (size_t size) +{ + void *res = (void *) malloc (size); + if (!res) + _libgac_abort ("Virtual memory exhausted\n"); + return res; +} + +#endif /* !LIBGAC_WITH_GC */ + +/* Implementation of the standard prelude `random' function. */ + +float +_libgac_random (void) +{ + return (float) rand () / (float) (RAND_MAX); +} + +/* Entry point for Algol 68 programs. */ + +int __algol68_main (); + +int +main (int argc, char **argv) +{ + init_heap (); + /* XXX build and pass argv */ + return __algol68_main (); +} diff --git a/libgac/libgac.spec.in b/libgac/libgac.spec.in new file mode 100644 index 00000000000..0c632c4f115 --- /dev/null +++ b/libgac/libgac.spec.in @@ -0,0 +1,11 @@ +# +# This spec file is read by gac when linking. +# It is used to specify the libraries we need to link in, in the right +# order. +# + +%rename link linkorig_gac_renamed +*link: %(linkorig_gac_renamed) + +%rename lib liborig_gac_renamed +*lib: %{debuglib|defaultlib|nogaclib: ; :@SPEC_LIBGAC_DEPS@} %(liborig_gac_renamed) -- 2.30.2
