diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 658 |
1 files changed, 472 insertions, 186 deletions
diff --git a/configure.ac b/configure.ac index 2873bdc..74bf58a 100644 --- a/configure.ac +++ b/configure.ac @@ -1,6 +1,6 @@ # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, -# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 -# Free Software Foundation, Inc. +# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, +# 2014, 2015, 2016 Free Software Foundation, Inc. # # 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 @@ -29,7 +29,6 @@ m4_include([ltsugar.m4]) m4_include([ltversion.m4]) m4_include([lt~obsolete.m4]) m4_include([config/isl.m4]) -m4_include([config/cloog.m4]) AC_INIT(move-if-change) AC_PREREQ(2.64) @@ -126,14 +125,14 @@ extra_host_args= # these library is used by various programs built for the build # environment # -build_libs="build-libiberty" +build_libs="build-libiberty build-libcpp" # these tools are built for the build environment build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" # these libraries are used by various programs built for the host environment -# -host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv" +#f +host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" # these tools are built for the host environment # Note, the powerpc-eabi build depends on sim occurring before gdb in order to @@ -141,7 +140,7 @@ host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktr # binutils, gas and ld appear in that order because it makes sense to run # "make check" in that particular order. # If --enable-gold is used, "gold" may replace "ld". -host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools" +host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" # libgcj represents the runtime libraries only used by gcj. libgcj="target-libffi \ @@ -156,12 +155,14 @@ target_libraries="target-libgcc \ target-libgloss \ target-newlib \ target-libgomp \ + target-libcilkrts \ + target-liboffloadmic \ target-libatomic \ target-libitm \ target-libstdc++-v3 \ - target-libmudflap \ target-libsanitizer \ target-libvtv \ + target-libmpx \ target-libssp \ target-libquadmath \ target-libgfortran \ @@ -244,6 +245,8 @@ if test x$with_gnu_as = xno ; then fi use_included_zlib= +AC_ARG_WITH(system-zlib, +[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) # Make sure we don't let ZLIB be added if we didn't want it. if test x$with_system_zlib = xyes ; then use_included_zlib=no @@ -286,6 +289,22 @@ case ${with_newlib} in yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; esac +AC_ARG_ENABLE(as-accelerator-for, +[AS_HELP_STRING([--enable-as-accelerator-for=ARG], + [build as offload target compiler. + Specify offload host triple by ARG])]) + +AC_ARG_ENABLE(offload-targets, +[AS_HELP_STRING([--enable-offload-targets=LIST], + [enable offloading to devices from comma-separated LIST of + TARGET[=DIR]. Use optional path to find offload target compiler + during the build])], +[ + if test x"$enable_offload_targets" = x; then + AC_MSG_ERROR([no offload targets specified]) + fi +], [enable_offload_targets=]) + # Handle --enable-gold, --enable-ld. # --disable-gold [--enable-ld] # Build only ld. Default option. @@ -331,7 +350,8 @@ case "${ENABLE_GOLD}" in if test "$is_elf" = "yes"; then # Check for target supported by gold. case "${target}" in - i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*) + i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ + | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) configdirs="$configdirs gold" if test x${ENABLE_GOLD} = xdefault; then default_ld=gold @@ -373,6 +393,19 @@ case "${ENABLE_LD}" in ;; esac +# PR gas/19109 +# Decide the default method for compressing debug sections. +# Provide a configure time option to override our default. +AC_ARG_ENABLE(compressed_debug_sections, +[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], + [Enable compressed debug sections for gas, gold or ld by + default])], +[ + if test x"$enable_compressed_debug_sections" = xyes; then + AC_MSG_ERROR([no program with compressed debug sections specified]) + fi +], [enable_compressed_debug_sections=]) + # Configure extra directories which are host specific case "${host}" in @@ -435,9 +468,45 @@ AS_HELP_STRING([--disable-libstdcxx], ENABLE_LIBSTDCXX=$enableval, ENABLE_LIBSTDCXX=default) [if test "${ENABLE_LIBSTDCXX}" = "no" ; then - noconfigdirs="$noconfigdirs libstdc++-v3" + noconfigdirs="$noconfigdirs target-libstdc++-v3" fi] +# If this is accelerator compiler and its target is intelmic we enable +# target liboffloadmic by default. If this is compiler with offloading +# for intelmic we enable host liboffloadmic by default. Otherwise +# liboffloadmic is disabled by default. +AC_ARG_ENABLE([liboffloadmic], +AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], + [build liboffloadmic @<:@ARG={no,host,target}@:>@]), +[case "$enableval" in + no | host | target) + enable_liboffloadmic=$enableval ;; + *) + AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; +esac], +[if test x"$enable_as_accelerator_for" != x; then + case "${target}" in + *-intelmic-* | *-intelmicemul-*) + enable_liboffloadmic=target + extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" + ;; + *) + enable_liboffloadmic=no + ;; + esac +else + case "${enable_offload_targets}" in + *-intelmic-* | *-intelmicemul-*) + enable_liboffloadmic=host + extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" + ;; + *) + enable_liboffloadmic=no + ;; + esac +fi]) +AC_SUBST(extra_liboffloadmic_configure_flags) + # Save it here so that, even in case of --enable-libgcj, if the Java # front-end isn't enabled, we still get libgcj disabled. libgcj_saved=$libgcj @@ -473,25 +542,8 @@ if test x$enable_static_libjava != xyes ; then fi AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) -# Disable libmudflap on some systems. -if test x$enable_libmudflap = x ; then - case "${target}" in - *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu) - # Enable libmudflap by default in GNU and friends. - ;; - *-*-freebsd*) - # Enable libmudflap by default in FreeBSD. - ;; - *) - # Disable it by default everywhere else. - noconfigdirs="$noconfigdirs target-libmudflap" - ;; - esac -fi - -# Disable libgomp on non POSIX hosted systems. +# Enable libgomp by default on hosted POSIX systems, and a few others. if test x$enable_libgomp = x ; then - # Enable libgomp by default on hosted POSIX systems. case "${target}" in *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) ;; @@ -501,6 +553,8 @@ if test x$enable_libgomp = x ; then ;; *-*-darwin* | *-*-aix*) ;; + nvptx*-*-*) + ;; *) noconfigdirs="$noconfigdirs target-libgomp" ;; @@ -523,6 +577,38 @@ if test -d ${srcdir}/libatomic; then fi fi +# Disable libcilkrts on unsupported systems. +if test -d ${srcdir}/libcilkrts; then + if test x$enable_libcilkrts = x; then + AC_MSG_CHECKING([for libcilkrts support]) + if (srcdir=${srcdir}/libcilkrts; \ + . ${srcdir}/configure.tgt; \ + test -n "$UNSUPPORTED") + then + AC_MSG_RESULT([no]) + noconfigdirs="$noconfigdirs target-libcilkrts" + else + AC_MSG_RESULT([yes]) + fi + fi +fi + +# Disable liboffloadmic on unsupported systems. +if test -d ${srcdir}/liboffloadmic; then + if test x$enable_liboffloadmic != xno; then + AC_MSG_CHECKING([for liboffloadmic support]) + if (srcdir=${srcdir}/liboffloadmic; \ + . ${srcdir}/configure.tgt; \ + test -n "$UNSUPPORTED") + then + AC_MSG_RESULT([no]) + noconfigdirs="$noconfigdirs target-liboffloadmic" + else + AC_MSG_RESULT([yes]) + fi + fi +fi + # Disable libitm on unsupported systems. if test -d ${srcdir}/libitm; then if test x$enable_libitm = x; then @@ -571,6 +657,25 @@ if test -d ${srcdir}/libvtv; then fi fi + +# Enable libmpx on supported systems by request. +if test -d ${srcdir}/libmpx; then + if test x$enable_libmpx = x; then + AC_MSG_CHECKING([for libmpx support]) + if (srcdir=${srcdir}/libmpx; \ + . ${srcdir}/configure.tgt; \ + test "$LIBMPX_SUPPORTED" != "yes") + then + AC_MSG_RESULT([no]) + noconfigdirs="$noconfigdirs target-libmpx" + else + AC_MSG_RESULT([yes]) + fi + fi +fi + + + # Disable libquadmath for some systems. case "${target}" in avr-*-*) @@ -598,6 +703,10 @@ case "${target}" in # for explicit misaligned loads. noconfigdirs="$noconfigdirs target-libssp" ;; + visium-*-*) + # No hosted I/O support. + noconfigdirs="$noconfigdirs target-libssp" + ;; esac # Disable libstdc++-v3 for some systems. @@ -615,6 +724,9 @@ if test "${ENABLE_LIBSTDCXX}" = "default" ; then avr-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; + ft32-*-*) + noconfigdirs="$noconfigdirs target-libstdc++-v3" + ;; esac fi @@ -710,6 +822,9 @@ case "${target}" in alpha*-*-*vms*) noconfigdirs="$noconfigdirs ${libgcj}" ;; + arm*-*-freebsd*) + noconfigdirs="$noconfigdirs ${libgcj}" + ;; arm-wince-pe) noconfigdirs="$noconfigdirs ${libgcj}" ;; @@ -766,9 +881,20 @@ case "${target}" in rs6000-*-aix*) noconfigdirs="$noconfigdirs ${libgcj}" ;; + ft32-*-*) + noconfigdirs="$noconfigdirs ${libgcj}" + ;; *-*-lynxos*) noconfigdirs="$noconfigdirs ${libgcj}" - ;; + ;; +esac + +# Disable the go frontend on systems where it is known to not work. Please keep +# this in sync with contrib/config-list.mk. +case "${target}" in +*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) + unsupported_languages="$unsupported_languages go" + ;; esac # Disable libgo for some systems where it is known to not work. @@ -897,6 +1023,14 @@ esac case "${target}" in *-*-chorusos) ;; + aarch64-*-darwin*) + noconfigdirs="$noconfigdirs ld gas gdb gprof" + noconfigdirs="$noconfigdirs sim target-rda" + ;; + arm-*-darwin*) + noconfigdirs="$noconfigdirs ld gas gdb gprof" + noconfigdirs="$noconfigdirs sim target-rda" + ;; powerpc-*-darwin*) noconfigdirs="$noconfigdirs ld gas gdb gprof" noconfigdirs="$noconfigdirs sim target-rda" @@ -931,6 +1065,10 @@ case "${target}" in ;; *-*-rtems*) noconfigdirs="$noconfigdirs target-libgloss" + # this is not caught below because this stanza matches earlier + case $target in + or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; + esac ;; # The tpf target doesn't support gdb yet. *-*-tpf*) @@ -956,6 +1094,9 @@ case "${target}" in sh*-*-pe|mips*-*-pe|*arm-wince-pe) noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" ;; + arc-*-*|arceb-*-*) + noconfigdirs="$noconfigdirs target-libgloss" + ;; arm-*-pe*) noconfigdirs="$noconfigdirs target-libgloss" ;; @@ -984,8 +1125,11 @@ case "${target}" in fr30-*-elf*) noconfigdirs="$noconfigdirs gdb" ;; + ft32-*-*) + noconfigdirs="$noconfigdirs target-rda gprof" + ;; moxie-*-*) - noconfigdirs="$noconfigdirs gprof" + noconfigdirs="$noconfigdirs" ;; h8300*-*-*) noconfigdirs="$noconfigdirs target-libgloss" @@ -995,6 +1139,12 @@ case "${target}" in ;; hppa1.1-*-osf* | hppa1.1-*-bsd* ) ;; + hppa*64*-*-hpux*) + noconfigdirs="$noconfigdirs gdb" + ;; + hppa*-*-hpux11*) + noconfigdirs="$noconfigdirs gdb ld" + ;; hppa*64*-*-linux*) ;; hppa*-*-linux*) @@ -1004,9 +1154,6 @@ case "${target}" in hppa*-*-openbsd* | \ hppa*64*-*-*) ;; - hppa*-hp-hpux11*) - noconfigdirs="$noconfigdirs ld" - ;; hppa*-*-pro*) ;; hppa*-*-*) @@ -1021,7 +1168,7 @@ case "${target}" in ;; ia64*-**-hpux*) # No ld support yet. - noconfigdirs="$noconfigdirs libgui itcl ld" + noconfigdirs="$noconfigdirs gdb libgui itcl ld" ;; ia64*-*-*vms*) # No ld support yet. @@ -1103,7 +1250,7 @@ case "${target}" in microblaze*) noconfigdirs="$noconfigdirs gprof" ;; - mips*-sde-elf* | mips*-mti-elf*) + mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) if test x$with_newlib = xyes; then noconfigdirs="$noconfigdirs gprof" fi @@ -1126,6 +1273,15 @@ case "${target}" in mips*-*-*) noconfigdirs="$noconfigdirs gprof" ;; + nds32*-*-*) + noconfigdirs="$noconfigdirs gdb" + ;; + nvptx*-*-*) + noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" + ;; + or1k*-*-*) + noconfigdirs="$noconfigdirs gdb" + ;; sh-*-* | sh64-*-*) case "${target}" in sh*-*-elf) @@ -1142,7 +1298,7 @@ case "${target}" in tic6x-*-*) noconfigdirs="$noconfigdirs sim" ;; - tilepro-*-* | tilegx-*-*) + tilepro*-*-* | tilegx*-*-*) noconfigdirs="$noconfigdirs sim" ;; v810-*-*) @@ -1174,6 +1330,9 @@ case "${host}" in *-mingw*) host_makefile_frag="config/mh-mingw" ;; + alpha*-linux*) + host_makefile_frag="config/mh-alpha-linux" + ;; hppa*-hp-hpux10*) host_makefile_frag="config/mh-pa-hpux10" ;; @@ -1313,6 +1472,12 @@ case "$have_compiler:$host:$target:$enable_bootstrap" in ;; esac +# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a +# C++98 compiler can still start the bootstrap. +if test "$enable_bootstrap:$GXX" = "yes:yes"; then + CXX="$CXX -std=gnu++98" +fi + # Used for setting $lt_cv_objdir _LT_CHECK_OBJDIR @@ -1551,18 +1716,6 @@ AC_SUBST(extra_mpc_gmp_configure_flags) AC_SUBST(extra_mpc_mpfr_configure_flags) AC_SUBST(extra_isl_gmp_configure_flags) -# Allow host libstdc++ to be specified for static linking with PPL. -AC_ARG_WITH(host-libstdcxx, -[AS_HELP_STRING([--with-host-libstdcxx=L], - [use linker arguments L to link with libstdc++ - when linking with PPL])]) - -case $with_host_libstdcxx in - no|yes) - AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) - ;; -esac - # Libraries to use for stage1 or when not bootstrapping. AC_ARG_WITH(stage1-libs, [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], @@ -1571,7 +1724,7 @@ AC_ARG_WITH(stage1-libs, else stage1_libs=$withval fi], -[stage1_libs=$with_host_libstdcxx]) +[stage1_libs=]) AC_SUBST(stage1_libs) # Linker flags to use for stage1 or when not bootstrapping. @@ -1591,8 +1744,7 @@ AC_ARG_WITH(stage1-ldflags, fi]) AC_SUBST(stage1_ldflags) -# Libraries to use for stage2 and later builds. This defaults to the -# argument passed to --with-host-libstdcxx. +# Libraries to use for stage2 and later builds. AC_ARG_WITH(boot-libs, [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], [if test "$withval" = "no" -o "$withval" = "yes"; then @@ -1600,7 +1752,7 @@ AC_ARG_WITH(boot-libs, else poststage1_libs=$withval fi], -[poststage1_libs=$with_host_libstdcxx]) +[poststage1_libs=]) AC_SUBST(poststage1_libs) # Linker flags to use for stage2 and later builds. @@ -1621,73 +1773,39 @@ AC_ARG_WITH(boot-ldflags, fi]) AC_SUBST(poststage1_ldflags) -# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL. -# Basic setup is inlined here, actual checks are in config/cloog.m4 and -# config/isl.m4 +# GCC GRAPHITE dependency isl. +# Basic setup is inlined here, actual checks are in config/isl.m4 -AC_ARG_WITH(cloog, - [AS_HELP_STRING( - [--with-cloog=PATH], - [Specify prefix directory for the installed CLooG-ISL package. - Equivalent to --with-cloog-include=PATH/include - plus --with-cloog-lib=PATH/lib])]) AC_ARG_WITH(isl, [AS_HELP_STRING( [--with-isl=PATH], - [Specify prefix directory for the installed ISL package. + [Specify prefix directory for the installed isl package. Equivalent to --with-isl-include=PATH/include plus --with-isl-lib=PATH/lib])]) -# Treat either --without-cloog or --without-isl as a request to disable +# Treat --without-isl as a request to disable # GRAPHITE support and skip all following checks. -if test "x$with_isl" != "xno" && - test "x$with_cloog" != "xno"; then - # Check for ISL +if test "x$with_isl" != "xno"; then + # Check for isl dnl Provide configure switches and initialize islinc & isllibs dnl with user input. ISL_INIT_FLAGS - dnl The versions of ISL that work for Graphite - ISL_CHECK_VERSION(0,11) - if test "${gcc_cv_isl}" = no ; then - ISL_CHECK_VERSION(0,12) - fi - dnl Only execute fail-action, if ISL has been requested. + dnl The versions of isl that work for Graphite + ISL_CHECK_VERSION() + dnl Only execute fail-action, if isl has been requested. ISL_IF_FAILED([ - AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) - - if test "x$gcc_cv_isl" != "xno"; then - # Check for CLOOG - dnl Provide configure switches and initialize clooginc & clooglibs - dnl with user input. - CLOOG_INIT_FLAGS - dnl The versions of CLooG that work for Graphite. - CLOOG_CHECK_VERSION(0,17,0) - if test "${gcc_cv_cloog}" = no ; then - CLOOG_CHECK_VERSION(0,18,0) - fi - - dnl Only execute fail-action, if CLooG has been requested. - CLOOG_IF_FAILED([ - AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])]) - fi + AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) fi -# If either the ISL or the CLooG check failed, disable builds of in-tree -# variants of both +# If the isl check failed, disable builds of in-tree variant of isl if test "x$with_isl" = xno || - test "x$with_cloog" = xno || - test "x$gcc_cv_cloog" = xno || test "x$gcc_cv_isl" = xno; then - noconfigdirs="$noconfigdirs cloog isl" + noconfigdirs="$noconfigdirs isl" islinc= - clooginc= - clooglibs= fi +AC_SUBST(isllibs) AC_SUBST(islinc) -AC_SUBST(clooglibs) -AC_SUBST(clooginc) - # Check for LTO support. AC_ARG_ENABLE(lto, @@ -1699,7 +1817,7 @@ ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. build_lto_plugin=yes ],[if test x"$default_enable_lto" = x"yes" ; then case $target in - *-apple-darwin9* | *-cygwin* | *-mingw*) ;; + *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;; # On other non-ELF platforms, LTO has yet to be validated. *) enable_lto=no ;; esac @@ -1710,7 +1828,7 @@ ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. # warn during gcc/ subconfigure; unless you're bootstrapping with # -flto it won't be needed until after installation anyway. case $target in - *-cygwin* | *-mingw* | *-apple-darwin*) ;; + *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; *) if test x"$enable_lto" = x"yes"; then AC_MSG_ERROR([LTO support is not enabled for this target.]) fi @@ -1725,6 +1843,19 @@ ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. esac ]) +AC_ARG_ENABLE(linker-plugin-configure-flags, + [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], + [additional flags for configuring linker plugins @<:@none@:>@])], + extra_linker_plugin_configure_flags=$enableval, + extra_linker_plugin_configure_flags=) +AC_SUBST(extra_linker_plugin_configure_flags) +AC_ARG_ENABLE(linker-plugin-flags, + [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], + [additional flags for configuring and building linker plugins @<:@none@:>@])], + extra_linker_plugin_flags=$enableval, + extra_linker_plugin_flags=) +AC_SUBST(extra_linker_plugin_flags) + # By default, C and C++ are the only stage 1 languages. stage1_languages=,c, @@ -1741,7 +1872,7 @@ if test -d ${srcdir}/gcc; then if test x"${enable_languages+set}" != xset; then if test x"${LANGUAGES+set}" = xset; then enable_languages="${LANGUAGES}" - echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 + echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 else enable_languages=all fi @@ -1749,7 +1880,7 @@ if test -d ${srcdir}/gcc; then if test x"${enable_languages}" = x || test x"${enable_languages}" = xyes; then - echo configure.in: --enable-languages needs at least one language argument 1>&2 + echo configure.ac: --enable-languages needs at least one language argument 1>&2 exit 1 fi fi @@ -1759,7 +1890,7 @@ if test -d ${srcdir}/gcc; then # and make the substitution. case ,${enable_languages}, in *,f95,*) - echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 + echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` ;; esac @@ -1825,7 +1956,6 @@ if test -d ${srcdir}/gcc; then new_enable_languages=,c, # If LTO is enabled, add the LTO front end. - extra_host_libiberty_configure_flags= if test "$enable_lto" = "yes" ; then case ,${enable_languages}, in *,lto,*) ;; @@ -1833,10 +1963,16 @@ if test -d ${srcdir}/gcc; then esac if test "${build_lto_plugin}" = "yes" ; then configdirs="$configdirs lto-plugin" - extra_host_libiberty_configure_flags=--enable-shared fi fi - AC_SUBST(extra_host_libiberty_configure_flags) + + # If we're building an offloading compiler, add the LTO front end. + if test x"$enable_as_accelerator_for" != x ; then + case ,${enable_languages}, in + *,lto,*) ;; + *) enable_languages="${enable_languages},lto" ;; + esac + fi missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` potential_languages=,c, @@ -2051,11 +2187,19 @@ case ,${enable_languages},:${enable_objc_gc} in ;; esac -# Disable libitm, libsanitizer, libvtv if we're not building C++ +# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ case ,${enable_languages}, in - *,c++,*) ;; + *,c++,*) + # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ + case "${noconfigdirs}" in + *target-libstdc++-v3*) + noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" + ;; + *) ;; + esac + ;; *) - noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv" + noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" ;; esac @@ -2127,6 +2271,50 @@ for i in ${target_configdirs_all} ; do fi done +# Exclude target-zlib if target-libjava isn't built. +case ${target_configdirs} in +*target-libjava*) + ;; +*) + target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`" + ;; +esac + +# libiberty-linker-plugin is special: it doesn't have its own source directory, +# so we have to add it after the preceding checks. +if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x +then + case " $configdirs " in + *" libiberty "*) + # If we can build libiberty, we can also build libiberty-linker-plugin. + configdirs="$configdirs libiberty-linker-plugin" + extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ + --with-libiberty=../libiberty-linker-plugin";; + *) + AC_MSG_ERROR([libiberty missing]);; + esac +fi + +# Sometimes we have special requirements for the host libiberty. +extra_host_libiberty_configure_flags= +extra_host_zlib_configure_flags= +case " $configdirs " in + *" lto-plugin "* | *" libcc1 "*) + # When these are to be built as shared libraries, the same applies to + # libiberty. + extra_host_libiberty_configure_flags=--enable-shared + ;; + *" bfd "*) + # When bfd is to be built as a shared library, the same applies to + # zlib. + if test "$enable_shared" = "yes"; then + extra_host_zlib_configure_flags=--enable-host-shared + fi + ;; +esac +AC_SUBST(extra_host_libiberty_configure_flags) +AC_SUBST(extra_host_zlib_configure_flags) + # Produce a warning message for the subdirs we can't configure. # This isn't especially interesting in the Cygnus tree, but in the individual # FSF releases, it's important to let people know when their machine isn't @@ -2200,28 +2388,36 @@ AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) # gcc) are built with "-O2 -g", so include those options when setting # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. if test "x$CFLAGS_FOR_TARGET" = x; then - CFLAGS_FOR_TARGET=$CFLAGS - case " $CFLAGS " in - *" -O2 "*) ;; - *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; - esac - case " $CFLAGS " in - *" -g "* | *" -g3 "*) ;; - *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; - esac + if test "x${is_cross_compiler}" = xyes; then + CFLAGS_FOR_TARGET="-g -O2" + else + CFLAGS_FOR_TARGET=$CFLAGS + case " $CFLAGS " in + *" -O2 "*) ;; + *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; + esac + case " $CFLAGS " in + *" -g "* | *" -g3 "*) ;; + *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; + esac + fi fi AC_SUBST(CFLAGS_FOR_TARGET) if test "x$CXXFLAGS_FOR_TARGET" = x; then - CXXFLAGS_FOR_TARGET=$CXXFLAGS - case " $CXXFLAGS " in - *" -O2 "*) ;; - *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; - esac - case " $CXXFLAGS " in - *" -g "* | *" -g3 "*) ;; - *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; - esac + if test "x${is_cross_compiler}" = xyes; then + CXXFLAGS_FOR_TARGET="-g -O2" + else + CXXFLAGS_FOR_TARGET=$CXXFLAGS + case " $CXXFLAGS " in + *" -O2 "*) ;; + *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; + esac + case " $CXXFLAGS " in + *" -g "* | *" -g3 "*) ;; + *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; + esac + fi fi AC_SUBST(CXXFLAGS_FOR_TARGET) @@ -2265,7 +2461,7 @@ fi # have requested that this magic not happen. # # The command line options always override the explicit settings in -# configure.in, and the settings in configure.in override this magic. +# configure.ac, and the settings in configure.ac override this magic. # # If the default for a toolchain is to use GNU as and ld, and you don't # want to do that, then you should use the --without-gnu-as and @@ -2355,7 +2551,7 @@ case "${target}" in spu-*-*) target_makefile_frag="config/mt-spu" ;; - mips*-sde-elf* | mips*-mti-elf*) + mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) target_makefile_frag="config/mt-sde" ;; mipsisa*-*-elfoabi*) @@ -2399,7 +2595,7 @@ case "${enable_target_optspace}:${target}" in :d30v-*) ospace_frag="config/mt-d30v" ;; - :m32r-* | :d10v-* | :fr30-*) + :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) ospace_frag="config/mt-ospace" ;; no:* | :*) @@ -2469,26 +2665,96 @@ else GCC_SHLIB_SUBDIR= fi +# Adjust the toplevel makefile according to whether bootstrap was selected. +case $enable_bootstrap in + yes) + bootstrap_suffix=bootstrap + BUILD_CONFIG=bootstrap-debug + ;; + no) + bootstrap_suffix=no-bootstrap + BUILD_CONFIG= + ;; +esac + +AC_MSG_CHECKING(for default BUILD_CONFIG) + +AC_ARG_WITH([build-config], + [AS_HELP_STRING([--with-build-config='NAME NAME2...'], + [use config/NAME.mk build configuration])], + [case $with_build_config in + yes) with_build_config= ;; + no) with_build_config= BUILD_CONFIG= ;; + esac]) + +if test "x${with_build_config}" != x; then + BUILD_CONFIG=$with_build_config +else + case $BUILD_CONFIG in + bootstrap-debug) + if echo "int f (void) { return 0; }" > conftest.c && + ${CC} -c conftest.c && + mv conftest.o conftest.o.g0 && + ${CC} -c -g conftest.c && + mv conftest.o conftest.o.g && + ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then + : + else + BUILD_CONFIG= + fi + rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g + ;; + esac +fi +AC_MSG_RESULT($BUILD_CONFIG) +AC_SUBST(BUILD_CONFIG) + +# Use same top-level configure hooks in libgcc/libstdc++/libvtv. +AC_MSG_CHECKING([for --enable-vtable-verify]) +AC_ARG_ENABLE(vtable-verify, +[AS_HELP_STRING([--enable-vtable-verify], + [Enable vtable verification feature])], +[case "$enableval" in + yes) enable_vtable_verify=yes ;; + no) enable_vtable_verify=no ;; + *) enable_vtable_verify=no;; + esac], +[enable_vtable_verify=no]) +AC_MSG_RESULT($enable_vtable_verify) + # Record target_configdirs and the configure arguments for target and # build configuration in Makefile. target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` +bootstrap_fixincludes=no # If we are building libgomp, bootstrap it. if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, fi -# If we are building libsanitizer, bootstrap it. -if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then - bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, +# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan +# or bootstrap-ubsan, bootstrap it. +if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then + case "$BUILD_CONFIG" in + *bootstrap-asan* | *bootstrap-ubsan* ) + bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, + bootstrap_fixincludes=yes + ;; + esac fi -# If we are building libvtv, bootstrap it. -if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 ; then +# If we are building libvtv and --enable-vtable-verify, bootstrap it. +if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && + test "$enable_vtable_verify" != no; then bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, fi +# If we are building libmpx, bootstrap it. +if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then + bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, +fi + # Determine whether gdb needs tk/tcl or not. # Use 'maybe' since enable_gdbtk might be true even if tk isn't available # and in that case we want gdb to be built without tk. Ugh! @@ -2538,50 +2804,6 @@ case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in ;; esac -# Adjust the toplevel makefile according to whether bootstrap was selected. -case $enable_bootstrap in - yes) - bootstrap_suffix=bootstrap - BUILD_CONFIG=bootstrap-debug - ;; - no) - bootstrap_suffix=no-bootstrap - BUILD_CONFIG= - ;; -esac - -AC_MSG_CHECKING(for default BUILD_CONFIG) - -AC_ARG_WITH([build-config], - [AS_HELP_STRING([--with-build-config='NAME NAME2...'], - [use config/NAME.mk build configuration])], - [case $with_build_config in - yes) with_build_config= ;; - no) with_build_config= BUILD_CONFIG= ;; - esac]) - -if test "x${with_build_config}" != x; then - BUILD_CONFIG=$with_build_config -else - case $BUILD_CONFIG in - bootstrap-debug) - if echo "int f (void) { return 0; }" > conftest.c && - ${CC} -c conftest.c && - mv conftest.o conftest.o.g0 && - ${CC} -c -g conftest.c && - mv conftest.o conftest.o.g && - ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then - : - else - BUILD_CONFIG= - fi - rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g - ;; - esac -fi -AC_MSG_RESULT($BUILD_CONFIG) -AC_SUBST(BUILD_CONFIG) - extrasub_build= for module in ${build_configdirs} ; do if test -z "${no_recursion}" \ @@ -2605,11 +2827,15 @@ for module in ${configdirs} ; do fi done fi + case ${module},${bootstrap_fixincludes} in + fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; + *) host_bootstrap_suffix=$bootstrap_suffix ;; + esac extrasub_host="$extrasub_host /^@if $module\$/d /^@endif $module\$/d -/^@if $module-$bootstrap_suffix\$/d -/^@endif $module-$bootstrap_suffix\$/d" +/^@if $module-$host_bootstrap_suffix\$/d +/^@endif $module-$host_bootstrap_suffix\$/d" done extrasub_target= for module in ${target_configdirs} ; do @@ -2752,7 +2978,7 @@ changequote(,) changequote([,]) case $lib in - mpc | mpfr | gmp | cloog) + mpc | mpfr | gmp | isl) # If we're processing --with-$lib, --with-$lib-include or # --with-$lib-lib, for one of the libs above, and target is # different from host, don't pass the current argument to any @@ -2848,8 +3074,10 @@ AC_ARG_VAR([target_configargs], # For the build-side libraries, we just need to pretend we're native, # and not use the same cache file. Multilibs are neither needed nor -# desired. -build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}" +# desired. We can't even use the same cache file for all build-side +# libraries, as they're compiled differently; some with C, some with +# C++ or with different feature-enabling options. +build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" # For host modules, accept cache file option, or specification as blank. case "${cache_file}" in @@ -2876,6 +3104,26 @@ if test x${is_cross_compiler} = xyes ; then target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" fi +# Special user-friendly check for native x86_64-linux build, if +# multilib is not explicitly enabled. +case "$target:$have_compiler:$host:$target:$enable_multilib" in + x86_64-*linux*:yes:$build:$build:) + # Make sure we have a development environment that handles 32-bit + dev64=no + echo "int main () { return 0; }" > conftest.c + ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c + if test $? = 0 ; then + if test -s conftest || test -s conftest.exe ; then + dev64=yes + fi + fi + rm -f conftest* + if test x${dev64} != xyes ; then + AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) + fi + ;; +esac + # Default to --enable-multilib. if test x${enable_multilib} = x ; then target_configargs="--enable-multilib ${target_configargs}" @@ -3171,6 +3419,7 @@ ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) +ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) @@ -3201,6 +3450,7 @@ GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) +GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) @@ -3277,7 +3527,19 @@ AC_ARG_ENABLE(stage1-checking, [choose additional checking for stage1 of the compiler])], [stage1_checking=--enable-checking=${enable_stage1_checking}], [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then - stage1_checking=--enable-checking=yes,types + # For --disable-checking or implicit --enable-checking=release, avoid + # setting --enable-checking=gc in the default stage1 checking for LTO + # bootstraps. See PR62077. + stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types + case $BUILD_CONFIG in + *lto*) + if test "x$enable_checking" = x && \ + test -d ${srcdir}/gcc && \ + test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then + stage1_checking=--enable-checking=yes,types + fi;; + *) stage1_checking=--enable-checking=yes,types;; + esac else stage1_checking=--enable-checking=$enable_checking,types fi]) @@ -3305,6 +3567,30 @@ AC_ARG_ENABLE(host-shared, [host_shared=$enableval], [host_shared=no]) AC_SUBST(host_shared) +# PR jit/64780: Require the user to explicitly specify +# --enable-host-shared if the jit is enabled, hinting +# that they might want to do a separate configure/build of +# the jit, to avoid users from slowing down the rest of the +# compiler by enabling the jit. +if test ${host_shared} = "no" ; then + case "${enable_languages}" in + *jit*) + AC_MSG_ERROR([ +Enabling language "jit" requires --enable-host-shared. + +--enable-host-shared typically slows the rest of the compiler down by +a few %, so you must explicitly enable it. + +If you want to build both the jit and the regular compiler, it is often +best to do this via two separate configure/builds, in separate +directories, to avoid imposing the performance cost of +--enable-host-shared on the regular compiler.]) + ;; + *) + ;; + esac +fi + # Specify what files to not compare during bootstrap. compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" |