08c1d39d3a
When --enable-cet is used to configure GCC, enable Intel CET in libphobos. * Makefile.am (AM_MAKEFLAGS): Add $(CET_FLAGS) to GCC FLAGS. * configure.ac (CET_FLAGS): Add GCC_CET_FLAGS and AC_SUBST. * Makefile.in: Regenerated. * aclocal.m4: Likewise. * configure.ac: Likewise.
298 lines
9.5 KiB
Plaintext
298 lines
9.5 KiB
Plaintext
# Process this file with autoconf to produce a configure script.
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# Copyright (C) 2006-2020 Free Software Foundation, Inc.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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# This requires that you have your environment set-up to use explicit
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# versions of automake and autoconf.
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#
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# export ACLOCAL=/usr/bin/aclocal-1.15
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# export AUTOMAKE=/usr/bin/automake-1.15
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# export AUTOM4TE=/usr/bin/autom4te2.69
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# export AUTOCONF=/usr/bin/autoconf2.69
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#
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# autoreconf2.69
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#
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AC_INIT(package-unused, version-unused,, libphobos)
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AC_CONFIG_SRCDIR(libdruntime/gcc/attribute.d)
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AC_CONFIG_HEADERS(config.h)
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AM_ENABLE_MULTILIB(, ..)
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AC_CANONICAL_SYSTEM
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AC_USE_SYSTEM_EXTENSIONS
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target_alias=${target_alias-$target}
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AC_SUBST(target_alias)
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# 1.11.1: Require that version of automake.
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# foreign: Don't require README, INSTALL, NEWS, etc.
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# no-define: Don't define PACKAGE and VERSION.
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# no-dependencies: Don't generate automatic dependencies.
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# (because it breaks when using bootstrap-lean, since some of the
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# headers are gone at "make install" time).
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# subdir-objects: Build objects in sub-directories.
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# -Wall: Issue all automake warnings.
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# -Wno-portability: Don't warn about constructs supported by GNU make.
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# (because GCC requires GNU make anyhow).
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# -Wno-override: Overrides used in testsuite.
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AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define no-dependencies subdir-objects -Wall -Wno-portability -Wno-override])
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m4_rename([_AC_ARG_VAR_PRECIOUS],[glibd_PRECIOUS])
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m4_define([_AC_ARG_VAR_PRECIOUS],[])
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AM_PROG_AS
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AC_PROG_CC
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AC_PROG_GDC
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WITH_LOCAL_DRUNTIME([GDC_CHECK_COMPILE], [])
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m4_rename_force([glibd_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
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AC_SUBST(CFLAGS)
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AM_MAINTAINER_MODE
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AC_PROG_RANLIB
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AC_PROG_INSTALL
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AC_PROG_MAKE_SET
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# Add CET specific flags if CET is enabled
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GCC_CET_FLAGS(CET_FLAGS)
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AC_SUBST(CET_FLAGS)
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# This should be inherited in the recursive make, but ensure it is defined.
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test "$AR" || AR=ar
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AC_SUBST(AR)
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CC_FOR_BUILD=${CC_FOR_BUILD:-gcc}
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AC_SUBST(CC_FOR_BUILD)
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AC_SUBST(CFLAGS_FOR_BUILD)
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# Enable libtool
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LT_INIT(dlopen)
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AM_PROG_LIBTOOL
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WITH_LOCAL_DRUNTIME([LT_LANG([D])], [])
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# libtool variables for Phobos shared and position-independent compiles.
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#
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# Use phobos_compiler_shared_flag to designate the compile-time flags for
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# creating shared objects. Default: -fversion=Shared.
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#
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# Use phobos_compiler_pic_flag to designate the compile-time flags for
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# creating position-independent objects. This varies with the target
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# hardware and operating system, but is often: -fPIC.
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#
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# The distinction between pic and shared compilation flags is not present in
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# libtool, and so we make it here. How it is handled is that in shared
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# compilations the `lt_prog_compiler_pic_D' variable is used to instead
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# ensure that conditional compilation of shared runtime code is compiled in.
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# The original PIC flags are then used in the compilation of every object.
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#
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# Why are objects destined for libgphobos.a compiled with -fPIC?
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# Because -fPIC is not harmful to use for objects destined for static
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# libraries. In addition, using -fPIC will allow the use of static
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# libgphobos.a in the creation of other D shared libraries.
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if test "$enable_shared" = yes; then
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phobos_compiler_pic_flag="$lt_prog_compiler_pic_D"
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phobos_compiler_shared_flag="-fversion=Shared"
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else
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phobos_compiler_pic_flag=
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phobos_compiler_shared_flag=
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fi
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AC_SUBST(phobos_compiler_pic_flag)
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AC_SUBST(phobos_compiler_shared_flag)
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# Override the libtool's pic_flag and pic_mode.
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# Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT.
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# NB: this impacts --with-pic and --without-pic.
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lt_prog_compiler_pic_D="$phobos_compiler_shared_flag"
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pic_mode='default'
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# Determine what GCC version number to use in filesystem paths.
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GCC_BASE_VER
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# libphobos/libdruntime specific options and feature detection
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DRUNTIME_CONFIGURE
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DRUNTIME_MULTILIB
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DRUNTIME_WERROR
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DRUNTIME_CPU_SOURCES
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DRUNTIME_OS_SOURCES
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DRUNTIME_OS_THREAD_MODEL
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DRUNTIME_OS_ARM_EABI_UNWINDER
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DRUNTIME_OS_MINFO_BRACKETING
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DRUNTIME_OS_DLPI_TLS_MODID
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DRUNTIME_OS_LINK_SPEC
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DRUNTIME_LIBRARIES_CLIB
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WITH_LOCAL_DRUNTIME([
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AC_LANG_PUSH([D])
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AC_SEARCH_LIBS([malloc], [c])
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AC_SEARCH_LIBS([pthread_create], [pthread])
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AC_SEARCH_LIBS([cosf], [m])
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AC_SEARCH_LIBS([clock_gettime], [rt])
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DRUNTIME_ENABLE_ATOMIC_BUILTINS
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AC_LANG_POP([D])
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], [-nophoboslib])
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DRUNTIME_LIBRARIES_ATOMIC
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DRUNTIME_LIBRARIES_BACKTRACE
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DRUNTIME_LIBRARIES_DLOPEN
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DRUNTIME_LIBRARIES_NET
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DRUNTIME_LIBRARIES_UCONTEXT
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DRUNTIME_LIBRARIES_ZLIB
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DRUNTIME_INSTALL_DIRECTORIES
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AC_MSG_CHECKING([for --enable-libphobos])
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AC_ARG_ENABLE(libphobos,
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[AS_HELP_STRING([--enable-libphobos], [Enable libphobos])])
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AC_MSG_RESULT($enable_libphobos)
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AC_MSG_CHECKING([for --with-libphobos-druntime-only])
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AC_ARG_WITH(libphobos-druntime-only,
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AS_HELP_STRING([--with-libphobos-druntime-only={yes,no,auto}],
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[build only the druntime library (default: auto)]),,
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[with_libphobos_druntime_only=auto])
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AC_MSG_RESULT($with_libphobos_druntime_only)
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case "$with_libphobos_druntime_only" in
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yes|no|auto) ;;
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*) AC_MSG_ERROR([Invalid argument for --with-libphobos-druntime-only]) ;;
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esac
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# See if supported.
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unset LIBPHOBOS_SUPPORTED
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unset LIBDRUNTIME_ONLY
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AC_MSG_CHECKING([for host support for libphobos])
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. ${srcdir}/configure.tgt
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case ${host} in
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x86_64-*-solaris2.* | i?86-*-solaris2.*)
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# libphobos doesn't compile with the Solaris/x86 assembler due to a
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# relatively low linelength limit.
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as_prog=`$CC -print-prog-name=as`
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if test -n "$as_prog" && $as_prog -v /dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
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druntime_cv_use_gas=yes;
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else
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druntime_cv_use_gas=no;
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fi
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rm -f a.out
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if test x$druntime_cv_use_gas = xno; then
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LIBPHOBOS_SUPPORTED=no
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fi
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# 64-bit D execution fails with Solaris ld without -z relax=transtls support.
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if test "$druntime_ld_gld" = "no" && test "$druntime_ld_relax_transtls" = "no"; then
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LIBPHOBOS_SUPPORTED=no
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fi
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;;
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esac
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AC_MSG_RESULT($LIBPHOBOS_SUPPORTED)
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# Decide if it's usable.
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case $LIBPHOBOS_SUPPORTED:$enable_libphobos in
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*:no) use_libphobos=no ;;
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*:yes) use_libphobos=yes ;;
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yes:*) use_libphobos=yes ;;
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*:*) use_libphobos=no ;;
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esac
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AM_CONDITIONAL(ENABLE_LIBPHOBOS, test x$use_libphobos = xyes)
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# Decide if only libdruntime should be built.
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case $LIBDRUNTIME_ONLY:$with_libphobos_druntime_only in
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*:no) only_libdruntime=no ;;
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*:yes) only_libdruntime=yes ;;
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yes:*) only_libdruntime=yes ;;
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*:*) only_libdruntime=no ;;
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esac
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AM_CONDITIONAL(ENABLE_LIBDRUNTIME_ONLY, test x$only_libdruntime = xyes)
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# Enable expensive internal checks
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AC_ARG_ENABLE(libphobos-checking,
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[AS_HELP_STRING([[--enable-libphobos-checking[=LIST]]],
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[enable expensive run-time checks. With LIST,
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enable only specific categories of checks.
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Categories are: yes,no,all,none,release.
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Flags are: assert or other strings])],
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[ac_checking_flags="${enableval}"],[ac_checking_flags=release])
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IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
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for check in release $ac_checking_flags
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do
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case $check in
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# These set all the flags to specific states
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yes|all) RELEASE_FLAG="-fno-release" ; ASSERT_FLAG= ;;
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no|none|release) RELEASE_FLAG="-frelease" ; ASSERT_FLAG= ;;
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# These enable particular checks
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assert) ASSERT_FLAG="-fassert" ;;
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# Accept
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*) ;;
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esac
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done
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IFS="$ac_save_IFS"
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CHECKING_DFLAGS="$RELEASE_FLAG $ASSERT_FLAG"
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AC_SUBST(CHECKING_DFLAGS)
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# Add drtbegin.o/drtend.o to startfile/endfile specs in libgphobos.spec
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if test "$DCFG_MINFO_BRACKETING" = "false"; then
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DRTSTUFF_SPEC=$srcdir/src/drtstuff.spec
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else
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DRTSTUFF_SPEC=/dev/null
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fi
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AC_SUBST_FILE(DRTSTUFF_SPEC)
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# Add dependencies for libgphobos.spec file
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SPEC_PHOBOS_DEPS="$LIBS"
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AC_SUBST(SPEC_PHOBOS_DEPS)
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# Libdruntime / phobos soname version
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libtool_VERSION=1:0:0
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AC_SUBST(libtool_VERSION)
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# Set default flags (after DRUNTIME_WERROR!)
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if test -z "$GDCFLAGS"; then
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GDCFLAGS="-g -O2"
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fi
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AC_SUBST(GDCFLAGS)
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WARN_DFLAGS="-Wall $WERROR_FLAG"
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AC_SUBST(WARN_DFLAGS)
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# Sanity check for the cross-compilation case:
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AC_CHECK_HEADER(stdio.h,:,
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[AC_MSG_ERROR([cannot find stdio.h.])])
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AC_CONFIG_FILES(Makefile)
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AC_CONFIG_FILES(libdruntime/gcc/config.d libdruntime/gcc/libbacktrace.d)
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AC_CONFIG_FILES(src/libgphobos.spec)
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AC_CONFIG_FILES([testsuite/testsuite_flags],[chmod +x testsuite/testsuite_flags])
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# Multilibs need MULTISUBDIR defined correctly in certain makefiles so
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# that multilib installs will end up installed in the correct place.
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# The testsuite needs it for multilib-aware ABI baseline files.
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# To work around this not being passed down from config-ml.in ->
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# srcdir/Makefile.am -> srcdir/{src,libdruntime,...}/Makefile.am, manually
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# append it here. Only modify Makefiles that have just been created.
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#
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# Also, get rid of this simulated-VPATH thing that automake does.
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AC_CONFIG_FILES(AC_FOREACH([DIR], [libdruntime src testsuite], [DIR/Makefile ]),
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[cat > vpsed$$ << \_EOF
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s!`test -f '$<' || echo '$(srcdir)/'`!!
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_EOF
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sed -f vpsed$$ $ac_file > tmp$$
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mv tmp$$ $ac_file
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rm vpsed$$
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echo 'MULTISUBDIR =' >> $ac_file
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ml_norecursion=yes
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. ${multi_basedir}/config-ml.in
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AS_UNSET([ml_norecursion])
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])
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AC_OUTPUT
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