X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=configure;h=cae337380473dc8606079680536ac885abf28997;hb=0f6176e67c84ffe19978aaad568d5e9996890fb3;hp=5860241b6d14225752858c237c8483bc38c1cacc;hpb=bf1de3f0ac48e095e9446a2408649766bf5a947c;p=platform%2Fupstream%2Fgcc.git diff --git a/configure b/configure index 5860241..cae3373 100755 --- a/configure +++ b/configure @@ -643,6 +643,7 @@ CXXFLAGS_FOR_TARGET CFLAGS_FOR_TARGET DEBUG_PREFIX_CFLAGS_FOR_TARGET SYSROOT_CFLAGS_FOR_TARGET +extra_host_zlib_configure_flags extra_host_libiberty_configure_flags stage1_languages extra_linker_plugin_flags @@ -747,10 +748,12 @@ ospace_frag' ac_user_opts=' enable_option_checking with_build_libsubdir +with_system_zlib enable_as_accelerator_for enable_offload_targets enable_gold enable_ld +enable_compressed_debug_sections enable_libquadmath enable_libquadmath_support enable_libada @@ -770,7 +773,6 @@ with_gmp_dir with_gmp with_gmp_include with_gmp_lib -with_host_libstdcxx with_stage1_libs with_stage1_ldflags with_boot_libs @@ -1475,6 +1477,9 @@ Optional Features: offload target compiler during the build --enable-gold[=ARG] build gold [ARG={default,yes,no}] --enable-ld[=ARG] build ld [ARG={default,yes,no}] + --enable-compressed-debug-sections={all,gas,gold,ld,none} + Enable compressed debug sections for gas, gold or ld + by default --disable-libquadmath do not build libquadmath directory --disable-libquadmath-support disable libquadmath support for Fortran @@ -1487,7 +1492,7 @@ Optional Features: build static libjava [default=no] --enable-bootstrap enable bootstrapping [yes if native build] --disable-isl-version-check - disable check for ISL version + disable check for isl version --enable-lto enable link time optimization support --enable-linker-plugin-configure-flags=FLAGS additional flags for configuring linker plugins @@ -1500,7 +1505,7 @@ Optional Features: Mostly useful for compiler development --enable-objc-gc enable use of Boehm's garbage collector with the GNU Objective-C runtime - --enable-vtable-verify Enable vtable verification feature + --enable-vtable-verify Enable vtable verification feature --enable-serial-[{host,target,build}-]configure force sequential configuration of sub-packages for the host, target or build machine, or all @@ -1518,6 +1523,7 @@ Optional Packages: --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) --with-build-libsubdir=DIR Directory where to find libraries for build system + --with-system-zlib use installed libz --with-mpc=PATH specify prefix directory for installed MPC package. Equivalent to --with-mpc-include=PATH/include plus --with-mpc-lib=PATH/lib @@ -1537,20 +1543,18 @@ Optional Packages: --with-gmp-lib=PATH/lib --with-gmp-include=PATH specify directory for installed GMP include files --with-gmp-lib=PATH specify directory for the installed GMP library - --with-host-libstdcxx=L use linker arguments L to link with libstdc++ when - linking with PPL --with-stage1-libs=LIBS libraries for stage1 --with-stage1-ldflags=FLAGS linker flags for stage1 --with-boot-libs=LIBS libraries for stage2 and later --with-boot-ldflags=FLAGS linker flags for stage2 and later - --with-isl=PATH Specify prefix directory for the installed ISL + --with-isl=PATH Specify prefix directory for the installed isl package. Equivalent to --with-isl-include=PATH/include plus --with-isl-lib=PATH/lib - --with-isl-include=PATH Specify directory for installed ISL include files - --with-isl-lib=PATH Specify the directory for the installed ISL library + --with-isl-include=PATH Specify directory for installed isl include files + --with-isl-lib=PATH Specify the directory for the installed isl library --with-build-sysroot=SYSROOT use sysroot as the system root during the build --with-debug-prefix-map='A=B C=D ...' @@ -2751,6 +2755,7 @@ target_libraries="target-libgcc \ target-libstdc++-v3 \ target-libsanitizer \ target-libvtv \ + target-libmpx \ target-libssp \ target-libquadmath \ target-libgfortran \ @@ -2853,6 +2858,12 @@ if test x$with_gnu_as = xno ; then fi use_included_zlib= + +# Check whether --with-system-zlib was given. +if test "${with_system_zlib+set}" = set; then : + withval=$with_system_zlib; +fi + # Make sure we don't let ZLIB be added if we didn't want it. if test x$with_system_zlib = xyes ; then use_included_zlib=no @@ -3006,6 +3017,21 @@ $as_echo "$as_me: WARNING: neither ld nor gold are enabled" >&2;} ;; esac +# PR gas/19109 +# Decide the default method for compressing debug sections. +# Provide a configure time option to override our default. +# Check whether --enable-compressed_debug_sections was given. +if test "${enable_compressed_debug_sections+set}" = set; then : + enableval=$enable_compressed_debug_sections; + if test x"$enable_compressed_debug_sections" = xyes; then + as_fn_error "no program with compressed debug sections specified" "$LINENO" 5 + fi + +else + enable_compressed_debug_sections= +fi + + # Configure extra directories which are host specific case "${host}" in @@ -3158,9 +3184,8 @@ if test x$enable_static_libjava != xyes ; then 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) ;; @@ -3170,6 +3195,8 @@ if test x$enable_libgomp = x ; then ;; *-*-darwin* | *-*-aix*) ;; + nvptx*-*-*) + ;; *) noconfigdirs="$noconfigdirs target-libgomp" ;; @@ -3290,6 +3317,28 @@ $as_echo "yes" >&6; } fi fi + +# Enable libmpx on supported systems by request. +if test -d ${srcdir}/libmpx; then + if test x$enable_libmpx = x; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libmpx support" >&5 +$as_echo_n "checking for libmpx support... " >&6; } + if (srcdir=${srcdir}/libmpx; \ + . ${srcdir}/configure.tgt; \ + test "$LIBMPX_SUPPORTED" != "yes") + then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + noconfigdirs="$noconfigdirs target-libmpx" + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + fi + fi +fi + + + # Disable libquadmath for some systems. case "${target}" in avr-*-*) @@ -3338,6 +3387,9 @@ if test "${ENABLE_LIBSTDCXX}" = "default" ; then avr-*-*) noconfigdirs="$noconfigdirs target-libstdc++-v3" ;; + ft32-*-*) + noconfigdirs="$noconfigdirs target-libstdc++-v3" + ;; esac fi @@ -3492,6 +3544,9 @@ case "${target}" in rs6000-*-aix*) noconfigdirs="$noconfigdirs ${libgcj}" ;; + ft32-*-*) + noconfigdirs="$noconfigdirs ${libgcj}" + ;; *-*-lynxos*) noconfigdirs="$noconfigdirs ${libgcj}" ;; @@ -3631,6 +3686,14 @@ esac case "${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" @@ -3725,8 +3788,11 @@ 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" @@ -3736,6 +3802,12 @@ case "${target}" in ;; hppa1.1-*-osf* | hppa1.1-*-bsd* ) ;; + hppa*64*-*-hpux*) + noconfigdirs="$noconfigdirs gdb" + ;; + hppa*-*-hpux11*) + noconfigdirs="$noconfigdirs gdb ld" + ;; hppa*64*-*-linux*) ;; hppa*-*-linux*) @@ -3745,9 +3817,6 @@ case "${target}" in hppa*-*-openbsd* | \ hppa*64*-*-*) ;; - hppa*-hp-hpux11*) - noconfigdirs="$noconfigdirs ld" - ;; hppa*-*-pro*) ;; hppa*-*-*) @@ -3762,7 +3831,7 @@ case "${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. @@ -3871,7 +3940,6 @@ case "${target}" in noconfigdirs="$noconfigdirs gdb" ;; nvptx*-*-*) - # nvptx is just a compiler noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" ;; or1k*-*-*) @@ -3944,7 +4012,7 @@ fi *-mingw*) host_makefile_frag="config/mh-mingw" ;; - alpha*-*-linux*) + alpha*-linux*) host_makefile_frag="config/mh-alpha-linux" ;; hppa*-hp-hpux10*) @@ -5379,6 +5447,12 @@ $as_echo "$as_me: WARNING: trying to bootstrap a cross compiler" >&2;} ;; 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 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 $as_echo_n "checking for objdir... " >&6; } @@ -5797,20 +5871,6 @@ fi -# Allow host libstdc++ to be specified for static linking with PPL. - -# Check whether --with-host-libstdcxx was given. -if test "${with_host_libstdcxx+set}" = set; then : - withval=$with_host_libstdcxx; -fi - - -case $with_host_libstdcxx in - no|yes) - as_fn_error "-with-host-libstdcxx needs an argument" "$LINENO" 5 - ;; -esac - # Libraries to use for stage1 or when not bootstrapping. # Check whether --with-stage1-libs was given. @@ -5821,7 +5881,7 @@ if test "${with_stage1_libs+set}" = set; then : stage1_libs=$withval fi else - stage1_libs=$with_host_libstdcxx + stage1_libs= fi @@ -5847,8 +5907,7 @@ fi -# Libraries to use for stage2 and later builds. This defaults to the -# argument passed to --with-host-libstdcxx. +# Libraries to use for stage2 and later builds. # Check whether --with-boot-libs was given. if test "${with_boot_libs+set}" = set; then : @@ -5858,7 +5917,7 @@ if test "${with_boot_libs+set}" = set; then : poststage1_libs=$withval fi else - poststage1_libs=$with_host_libstdcxx + poststage1_libs= fi @@ -5884,7 +5943,7 @@ fi -# GCC GRAPHITE dependency ISL. +# GCC GRAPHITE dependency isl. # Basic setup is inlined here, actual checks are in config/isl.m4 @@ -5897,7 +5956,7 @@ fi # Treat --without-isl as a request to disable # GRAPHITE support and skip all following checks. if test "x$with_isl" != "xno"; then - # Check for ISL + # Check for isl # Check whether --with-isl-include was given. @@ -5944,8 +6003,8 @@ fi isllibs='-L$$r/$(HOST_SUBDIR)/isl/'"$lt_cv_objdir"' ' islinc='-I$$r/$(HOST_SUBDIR)/isl/include -I$$s/isl/include' ENABLE_ISL_CHECK=no - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using in-tree ISL, disabling version check" >&5 -$as_echo "$as_me: WARNING: using in-tree ISL, disabling version check" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using in-tree isl, disabling version check" >&5 +$as_echo "$as_me: WARNING: using in-tree isl, disabling version check" >&2;} fi isllibs="${isllibs} -lisl" @@ -5958,18 +6017,18 @@ $as_echo "$as_me: WARNING: using in-tree ISL, disabling version check" >&2;} _isl_saved_LIBS=$LIBS CFLAGS="${_isl_saved_CFLAGS} ${islinc} ${gmpinc}" - LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs}" - LIBS="${_isl_saved_LIBS} -lisl" + LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs} ${gmplibs}" + LIBS="${_isl_saved_LIBS} -lisl -lgmp" - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for compatible ISL" >&5 -$as_echo_n "checking for compatible ISL... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl 0.15 (or deprecated 0.14)" >&5 +$as_echo_n "checking for isl 0.15 (or deprecated 0.14)... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -#include +#include int main () { -; +isl_ctx_get_max_operations (isl_ctx_alloc ()); ; return 0; } @@ -5984,6 +6043,11 @@ rm -f core conftest.err conftest.$ac_objext \ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_isl" >&5 $as_echo "$gcc_cv_isl" >&6; } + if test "${gcc_cv_isl}" = no ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: recommended isl version is 0.15, minimum required isl version 0.14 is deprecated" >&5 +$as_echo "recommended isl version is 0.15, minimum required isl version 0.14 is deprecated" >&6; } + fi + CFLAGS=$_isl_saved_CFLAGS LDFLAGS=$_isl_saved_LDFLAGS LIBS=$_isl_saved_LIBS @@ -6015,13 +6079,13 @@ $as_echo "$gcc_cv_isl" >&6; } && test "x${isllibs}" = x \ && test "x${islinc}" = x ; then - as_fn_error "Unable to find a usable ISL. See config.log for details." "$LINENO" 5 + as_fn_error "Unable to find a usable isl. See config.log for details." "$LINENO" 5 fi fi -# If the ISL check failed, disable builds of in-tree variant of ISL +# If the isl check failed, disable builds of in-tree variant of isl if test "x$with_isl" = xno || test "x$gcc_cv_isl" = xno; then noconfigdirs="$noconfigdirs isl" @@ -6047,7 +6111,8 @@ target_elf=no case $target in *-darwin* | *-aix* | *-cygwin* | *-mingw* | *-aout* | *-*coff* | \ *-msdosdjgpp* | *-vms* | *-wince* | *-*-pe* | \ - alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux*) + alpha*-dec-osf* | *-interix* | hppa[12]*-*-hpux* | \ + nvptx-*-none) target_elf=no ;; *) @@ -6062,7 +6127,7 @@ if test $target_elf = yes; then : else if test x"$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 @@ -6073,7 +6138,7 @@ else # 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 as_fn_error "LTO support is not enabled for this target." "$LINENO" 5 fi @@ -6123,7 +6188,7 @@ 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 @@ -6131,7 +6196,7 @@ 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 @@ -6141,7 +6206,7 @@ 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 @@ -6217,6 +6282,14 @@ if test -d ${srcdir}/gcc; then fi fi + # If we're building an offloading compiler, add the LTO front end. + if test x"$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, @@ -6514,6 +6587,15 @@ 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 @@ -6531,15 +6613,24 @@ 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 + # 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 @@ -6664,28 +6755,36 @@ fi # 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 $CFLAGS_FOR_TARGET" ;; + esac + fi fi if test "x$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 $CXXFLAGS_FOR_TARGET" ;; + esac + fi fi @@ -6729,7 +6828,7 @@ fi # have requested that this magic not happen. # # The command line options always override the explicit settings in -# configure.in, and the settings in configure.in override this magic. +# configure.ac, and the settings in configure.ac override this magic. # # If the default for a toolchain is to use GNU as and ld, and you don't # want to do that, then you should use the --without-gnu-as and @@ -6863,7 +6962,7 @@ case "${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:* | :*) @@ -7026,6 +7125,11 @@ if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && bootstrap_target_libs=${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! @@ -7376,7 +7480,7 @@ fi # 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 developement environment that handles 32-bit + # 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} ${LDFLAGS} conftest.c @@ -7387,7 +7491,7 @@ case "$target:$have_compiler:$host:$target:$enable_multilib" in fi rm -f conftest* if test x${dev64} != xyes ; then - as_fn_error "I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib." "$LINENO" 5 + as_fn_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." "$LINENO" 5 fi ;; esac @@ -14714,7 +14818,19 @@ if test "${enable_stage1_checking+set}" = set; then : enableval=$enable_stage1_checking; stage1_checking=--enable-checking=${enable_stage1_checking} else 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 @@ -14750,6 +14866,30 @@ fi +# 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*) + as_fn_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." "$LINENO" 5 + ;; + *) + ;; + esac +fi + # Specify what files to not compare during bootstrap. compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"