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|
# Process this file with autoconf to produce a configure script.
# Copyright (C) 2006-2019 Free Software Foundation, Inc.
#
# 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/>.
# This requires that you have your environment set-up to use explicit
# versions of automake and autoconf.
#
# export ACLOCAL=/usr/bin/aclocal-1.15
# export AUTOMAKE=/usr/bin/automake-1.15
# export AUTOM4TE=/usr/bin/autom4te2.69
# export AUTOCONF=/usr/bin/autoconf2.69
#
# autoreconf2.69
#
AC_INIT(package-unused, version-unused,, libphobos)
AC_CONFIG_SRCDIR(libdruntime/gcc/attribute.d)
AC_CONFIG_HEADERS(config.h)
AM_ENABLE_MULTILIB(, ..)
AC_CANONICAL_SYSTEM
AC_USE_SYSTEM_EXTENSIONS
target_alias=${target_alias-$target}
AC_SUBST(target_alias)
# 1.11.1: Require that version of automake.
# foreign: Don't require README, INSTALL, NEWS, etc.
# no-define: Don't define PACKAGE and VERSION.
# no-dependencies: Don't generate automatic dependencies.
# (because it breaks when using bootstrap-lean, since some of the
# headers are gone at "make install" time).
# subdir-objects: Build objects in sub-directories.
# -Wall: Issue all automake warnings.
# -Wno-portability: Don't warn about constructs supported by GNU make.
# (because GCC requires GNU make anyhow).
# -Wno-override: Overrides used in testsuite.
AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define no-dependencies subdir-objects -Wall -Wno-portability -Wno-override])
m4_rename([_AC_ARG_VAR_PRECIOUS],[glibd_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AM_PROG_AS
AC_PROG_CC
AC_PROG_GDC
WITH_LOCAL_DRUNTIME([GDC_CHECK_COMPILE], [])
m4_rename_force([glibd_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CFLAGS)
AM_MAINTAINER_MODE
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_MAKE_SET
# This should be inherited in the recursive make, but ensure it is defined.
test "$AR" || AR=ar
AC_SUBST(AR)
CC_FOR_BUILD=${CC_FOR_BUILD:-gcc}
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)
# Enable libtool
LT_INIT(dlopen)
AM_PROG_LIBTOOL
WITH_LOCAL_DRUNTIME([LT_LANG([D])], [])
# libtool variables for Phobos shared and position-independent compiles.
#
# Use phobos_compiler_shared_flag to designate the compile-time flags for
# creating shared objects. Default: -fversion=Shared.
#
# Use phobos_compiler_pic_flag to designate the compile-time flags for
# creating position-independent objects. This varies with the target
# hardware and operating system, but is often: -fPIC.
#
# The distinction between pic and shared compilation flags is not present in
# libtool, and so we make it here. How it is handled is that in shared
# compilations the `lt_prog_compiler_pic_D' variable is used to instead
# ensure that conditional compilation of shared runtime code is compiled in.
# The original PIC flags are then used in the compilation of every object.
#
# Why are objects destined for libgphobos.a compiled with -fPIC?
# Because -fPIC is not harmful to use for objects destined for static
# libraries. In addition, using -fPIC will allow the use of static
# libgphobos.a in the creation of other D shared libraries.
if test "$enable_shared" = yes; then
phobos_compiler_pic_flag="$lt_prog_compiler_pic_D"
phobos_compiler_shared_flag="-fversion=Shared"
else
phobos_compiler_pic_flag=
phobos_compiler_shared_flag=
fi
AC_SUBST(phobos_compiler_pic_flag)
AC_SUBST(phobos_compiler_shared_flag)
# Override the libtool's pic_flag and pic_mode.
# Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT.
# NB: this impacts --with-pic and --without-pic.
lt_prog_compiler_pic_D="$phobos_compiler_shared_flag"
pic_mode='default'
# Determine what GCC version number to use in filesystem paths.
GCC_BASE_VER
# libphobos/libdruntime specific options and feature detection
DRUNTIME_CONFIGURE
DRUNTIME_MULTILIB
DRUNTIME_WERROR
DRUNTIME_GC
DRUNTIME_CPU_SOURCES
DRUNTIME_OS_UNIX
DRUNTIME_OS_SOURCES
DRUNTIME_OS_THREAD_MODEL
DRUNTIME_OS_ARM_EABI_UNWINDER
DRUNTIME_OS_MINFO_BRACKETING
DRUNTIME_OS_DLPI_TLS_MODID
DRUNTIME_OS_LINK_SPEC
DRUNTIME_LIBRARIES_CLIB
WITH_LOCAL_DRUNTIME([
AC_LANG_PUSH([D])
AC_SEARCH_LIBS([malloc], [c])
DRUNTIME_LIBRARIES_THREAD
AC_SEARCH_LIBS([cosf], [m])
AC_SEARCH_LIBS([clock_gettime], [rt])
DRUNTIME_ENABLE_ATOMIC_BUILTINS
AC_LANG_POP([D])
], [-nophoboslib])
DRUNTIME_LIBRARIES_ATOMIC
DRUNTIME_LIBRARIES_BACKTRACE
DRUNTIME_LIBRARIES_DLOPEN
DRUNTIME_LIBRARIES_NET
DRUNTIME_LIBRARIES_ZLIB
DRUNTIME_INSTALL_DIRECTORIES
AC_MSG_CHECKING([for --enable-libphobos])
AC_ARG_ENABLE(libphobos,
[AS_HELP_STRING([--enable-libphobos], [Enable libphobos])])
AC_MSG_RESULT($enable_libphobos)
# See if supported.
unset LIBPHOBOS_SUPPORTED
AC_MSG_CHECKING([for host support for libphobos])
. ${srcdir}/configure.tgt
case ${host} in
x86_64-*-solaris2.* | i?86-*-solaris2.*)
# libphobos doesn't compile with the Solaris/x86 assembler due to a
# relatively low linelength limit.
as_prog=`$CC -print-prog-name=as`
if test -n "$as_prog" && $as_prog -v /dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
druntime_cv_use_gas=yes;
else
druntime_cv_use_gas=no;
fi
rm -f a.out
if test x$druntime_cv_use_gas = xno; then
LIBPHOBOS_SUPPORTED=no
fi
# 64-bit D execution fails with Solaris ld without -z relax=transtls support.
if test "$druntime_ld_gld" = "no" && test "$druntime_ld_relax_transtls" = "no"; then
LIBPHOBOS_SUPPORTED=no
fi
;;
esac
AC_MSG_RESULT($LIBPHOBOS_SUPPORTED)
# Decide if it's usable.
case $LIBPHOBOS_SUPPORTED:$enable_libphobos in
*:no) use_libphobos=no ;;
*:yes) use_libphobos=yes ;;
yes:*) use_libphobos=yes ;;
*:*) use_libphobos=no ;;
esac
AM_CONDITIONAL(ENABLE_LIBPHOBOS, test x$use_libphobos = xyes)
# Add drtbegin.o/drtend.o to startfile/endfile specs in libgphobos.spec
if test "$DCFG_MINFO_BRACKETING" = "false"; then
DRTSTUFF_SPEC=$srcdir/src/drtstuff.spec
else
DRTSTUFF_SPEC=/dev/null
fi
AC_SUBST_FILE(DRTSTUFF_SPEC)
# Add dependencies for libgphobos.spec file
SPEC_PHOBOS_DEPS="$LIBS"
AC_SUBST(SPEC_PHOBOS_DEPS)
# Libdruntime / phobos soname version
libtool_VERSION=76:3:0
AC_SUBST(libtool_VERSION)
# Set default flags (after DRUNTIME_WERROR!)
if test -z "$GDCFLAGS"; then
GDCFLAGS="-Wall $WERROR_FLAG -g -frelease -O2"
fi
AC_SUBST(GDCFLAGS)
if test -z "$GDCFLAGSX"; then
GDCFLAGSX="-Wall $WERROR_FLAG -g -fno-release -funittest"
fi
AC_SUBST(GDCFLAGSX)
# Sanity check for the cross-compilation case:
AC_CHECK_HEADER(stdio.h,:,
[AC_MSG_ERROR([cannot find stdio.h.])])
AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES(libdruntime/gcc/config.d libdruntime/gcc/libbacktrace.d)
AC_CONFIG_FILES(src/libgphobos.spec)
AC_CONFIG_FILES([testsuite/testsuite_flags],[chmod +x testsuite/testsuite_flags])
# Multilibs need MULTISUBDIR defined correctly in certain makefiles so
# that multilib installs will end up installed in the correct place.
# The testsuite needs it for multilib-aware ABI baseline files.
# To work around this not being passed down from config-ml.in ->
# srcdir/Makefile.am -> srcdir/{src,libdruntime,...}/Makefile.am, manually
# append it here. Only modify Makefiles that have just been created.
#
# Also, get rid of this simulated-VPATH thing that automake does.
AC_CONFIG_FILES(AC_FOREACH([DIR], [libdruntime src testsuite], [DIR/Makefile ]),
[cat > vpsed$$ << \_EOF
s!`test -f '$<' || echo '$(srcdir)/'`!!
_EOF
sed -f vpsed$$ $ac_file > tmp$$
mv tmp$$ $ac_file
rm vpsed$$
echo 'MULTISUBDIR =' >> $ac_file
ml_norecursion=yes
. ${multi_basedir}/config-ml.in
AS_UNSET([ml_norecursion])
])
AC_OUTPUT
|
