| # Process this file with autoconf to produce a configure script. |
| # Copyright (C) 2006-2022 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 |
| |
| # Add CET specific flags if CET is enabled |
| GCC_CET_FLAGS(CET_FLAGS) |
| AC_SUBST(CET_FLAGS) |
| # To ensure that runtime code for CET is compiled in, add in D version flags. |
| AS_IF([test x$enable_cet = xyes], [ |
| CET_DFLAGS="$CET_FLAGS -fversion=CET" |
| DCFG_ENABLE_CET=true |
| ], [ |
| CET_DFLAGS= |
| DCFG_ENABLE_CET=false |
| ]) |
| AC_SUBST(CET_DFLAGS) |
| AC_SUBST(DCFG_ENABLE_CET) |
| |
| # 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])], []) |
| AC_SUBST(enable_shared) |
| AC_SUBST(enable_static) |
| |
| # libtool variables for Phobos shared and position-independent compiles. |
| # |
| # Use phobos_lt_pic_flag to designate the automake variable |
| # used to encapsulate the default libtool approach to creating objects |
| # with position-independent code. Default: -prefer-pic. |
| # |
| # 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. |
| if test "$enable_shared" = yes; then |
| phobos_lt_pic_flag="-prefer-pic" |
| phobos_compiler_pic_flag="$lt_prog_compiler_pic_D" |
| phobos_compiler_shared_flag="-fversion=Shared" |
| else |
| phobos_lt_pic_flag= |
| phobos_compiler_pic_flag= |
| phobos_compiler_shared_flag= |
| fi |
| AC_SUBST(phobos_lt_pic_flag) |
| 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_pic_flag $phobos_compiler_shared_flag" |
| pic_mode='default' |
| |
| # Determine what GCC version number to use in filesystem paths. |
| GCC_BASE_VER |
| |
| # libphobos/libdruntime specific options and feature detection |
| DRUNTIME_CONFIGURE |
| DRUNTIME_MULTILIB |
| DRUNTIME_WERROR |
| DRUNTIME_SECTION_FLAGS |
| DRUNTIME_CPU_SOURCES |
| DRUNTIME_OS_SOURCES |
| DRUNTIME_OS_THREAD_MODEL |
| DRUNTIME_OS_ARM_EABI_UNWINDER |
| DRUNTIME_OS_MINFO_BRACKETING |
| DRUNTIME_OS_DLPI_TLS_MODID |
| DRUNTIME_OS_LINK_SPEC |
| DRUNTIME_LIBRARIES_CLIB |
| |
| WITH_LOCAL_DRUNTIME([ |
| AC_LANG_PUSH([D]) |
| AC_SEARCH_LIBS([malloc], [c]) |
| AC_SEARCH_LIBS([pthread_create], [pthread]) |
| AC_SEARCH_LIBS([cosf], [m]) |
| AC_SEARCH_LIBS([clock_gettime], [rt]) |
| DRUNTIME_ENABLE_ATOMIC_BUILTINS |
| AC_LANG_POP([D]) |
| ], [-nophoboslib]) |
| |
| DRUNTIME_LIBRARIES_ATOMIC |
| DRUNTIME_LIBRARIES_BACKTRACE |
| DRUNTIME_LIBRARIES_DLOPEN |
| DRUNTIME_LIBRARIES_NET |
| DRUNTIME_LIBRARIES_UCONTEXT |
| DRUNTIME_LIBRARIES_ZLIB |
| DRUNTIME_INSTALL_DIRECTORIES |
| |
| AC_MSG_CHECKING([for --enable-libphobos]) |
| AC_ARG_ENABLE(libphobos, |
| [AS_HELP_STRING([--enable-libphobos], [Enable libphobos])]) |
| AC_MSG_RESULT($enable_libphobos) |
| |
| AC_MSG_CHECKING([for --with-libphobos-druntime-only]) |
| AC_ARG_WITH(libphobos-druntime-only, |
| AS_HELP_STRING([--with-libphobos-druntime-only={yes,no,auto}], |
| [build only the druntime library (default: auto)]),, |
| [with_libphobos_druntime_only=auto]) |
| AC_MSG_RESULT($with_libphobos_druntime_only) |
| |
| case "$with_libphobos_druntime_only" in |
| yes|no|auto) ;; |
| *) AC_MSG_ERROR([Invalid argument for --with-libphobos-druntime-only]) ;; |
| esac |
| |
| # See if supported. |
| unset LIBPHOBOS_SUPPORTED |
| unset LIBDRUNTIME_ONLY |
| AC_MSG_CHECKING([for host support for libphobos]) |
| . ${srcdir}/configure.tgt |
| case ${host} in |
| x86_64-*-solaris2.* | i?86-*-solaris2.*) |
| # 64-bit D execution fails with Solaris ld without -z relax=transtls support. |
| if test "$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) |
| |
| # Decide if only libdruntime should be built. |
| case $LIBDRUNTIME_ONLY:$with_libphobos_druntime_only in |
| *:no) only_libdruntime=no ;; |
| *:yes) only_libdruntime=yes ;; |
| yes:*) only_libdruntime=yes ;; |
| *:*) only_libdruntime=no ;; |
| esac |
| AM_CONDITIONAL(ENABLE_LIBDRUNTIME_ONLY, test x$only_libdruntime = xyes) |
| |
| # Enable expensive internal checks |
| AC_ARG_ENABLE(libphobos-checking, |
| [AS_HELP_STRING([[--enable-libphobos-checking[=LIST]]], |
| [enable expensive run-time checks. With LIST, |
| enable only specific categories of checks. |
| Categories are: yes,no,all,none,release. |
| Flags are: assert or other strings])], |
| [ac_checking_flags="${enableval}"],[ac_checking_flags=release]) |
| IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
| for check in release $ac_checking_flags |
| do |
| case $check in |
| # These set all the flags to specific states |
| yes|all) RELEASE_FLAG="-fno-release" ; ASSERT_FLAG= ;; |
| no|none|release) RELEASE_FLAG="-frelease" ; ASSERT_FLAG= ;; |
| # These enable particular checks |
| assert) ASSERT_FLAG="-fassert" ;; |
| # Accept |
| *) ;; |
| esac |
| done |
| IFS="$ac_save_IFS" |
| CHECKING_DFLAGS="$RELEASE_FLAG $ASSERT_FLAG" |
| AC_SUBST(CHECKING_DFLAGS) |
| |
| # Add drtbegin.o/drtend.o to startfile/endfile specs in libgphobos.spec |
| if test "$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=4:0:0 |
| AC_SUBST(libtool_VERSION) |
| |
| # Set default flags (after DRUNTIME_WERROR!) |
| if test -z "$GDCFLAGS"; then |
| GDCFLAGS="-g -O2" |
| fi |
| AC_SUBST(GDCFLAGS) |
| |
| WARN_DFLAGS="-Wall $WERROR_FLAG" |
| AC_SUBST(WARN_DFLAGS) |
| |
| # 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 |