X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=configure.ac;h=bec489fc39518a9113cc31f29f55eb60bb62f0e5;hb=fffad99bde9d1da856f35d714a94e8249fdce1f7;hp=b4e1266a9216c7a3c6151e1e25ece0eeee33c778;hpb=0ff2d841ec7af4d3095ed12c8da94831354e0261;p=gcc.git diff --git a/configure.ac b/configure.ac index b4e1266a921..bec489fc395 100644 --- a/configure.ac +++ b/configure.ac @@ -133,7 +133,7 @@ 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 libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv" +host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv" # these tools are built for the host environment # Note, the powerpc-eabi build depends on sim occurring before gdb in order to @@ -152,6 +152,7 @@ libgcj="target-libffi \ # the host libraries and the host tools (which may be a cross compiler) # Note that libiberty is not a target library. target_libraries="target-libgcc \ + target-libbacktrace \ target-libgloss \ target-newlib \ target-libgomp \ @@ -159,6 +160,7 @@ target_libraries="target-libgcc \ target-libitm \ target-libstdc++-v3 \ target-libmudflap \ + target-libsanitizer \ target-libssp \ target-libquadmath \ target-libgfortran \ @@ -313,9 +315,9 @@ case "${ENABLE_GOLD}" in is_elf=no case "${target}" in *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ - | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ + | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ - | *-*-solaris2* | *-*-nto*) + | *-*-solaris2* | *-*-nto* | *-*-nacl*) case "${target}" in *-*-linux*aout* | *-*-linux*oldld*) ;; @@ -328,7 +330,7 @@ case "${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*-*-*) + i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*) configdirs="$configdirs gold" if test x${ENABLE_GOLD} = xdefault; then default_ld=gold @@ -426,6 +428,15 @@ AC_ARG_ENABLE(libssp, ENABLE_LIBSSP=$enableval, ENABLE_LIBSSP=yes) +AC_ARG_ENABLE(libstdcxx, +AS_HELP_STRING([--disable-libstdcxx], + [do not build libstdc++-v3 directory]), +ENABLE_LIBSTDCXX=$enableval, +ENABLE_LIBSTDCXX=default) +[if test "${ENABLE_LIBSTDCXX}" = "no" ; then + noconfigdirs="$noconfigdirs libstdc++-v3" +fi] + # 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 @@ -527,6 +538,34 @@ if test -d ${srcdir}/libitm; then fi fi +# Disable libsanitizer on unsupported systems. +if test -d ${srcdir}/libsanitizer; then + if test x$enable_libsanitizer = x; then + AC_MSG_CHECKING([for libsanitizer support]) + if (srcdir=${srcdir}/libsanitizer; \ + . ${srcdir}/configure.tgt; \ + test -n "$UNSUPPORTED") + then + AC_MSG_RESULT([no]) + noconfigdirs="$noconfigdirs target-libsanitizer" + else + AC_MSG_RESULT([yes]) + fi + fi +fi + +# Disable libquadmath for some systems. +case "${target}" in + avr-*-*) + noconfigdirs="$noconfigdirs target-libquadmath" + ;; + # libquadmath is unused on AIX and libquadmath build process use of + # LD_LIBRARY_PATH can break AIX bootstrap. + powerpc-*-aix* | rs6000-*-aix*) + noconfigdirs="$noconfigdirs target-libquadmath" + ;; +esac + # Disable libssp for some systems. case "${target}" in avr-*-*) @@ -545,19 +584,22 @@ case "${target}" in esac # Disable libstdc++-v3 for some systems. -case "${target}" in - *-*-vxworks*) - # VxWorks uses the Dinkumware C++ library. - noconfigdirs="$noconfigdirs target-libstdc++-v3" - ;; - arm*-wince-pe*) - # the C++ libraries don't build on top of CE's C libraries - noconfigdirs="$noconfigdirs target-libstdc++-v3" - ;; - avr-*-*) - noconfigdirs="$noconfigdirs target-libstdc++-v3" - ;; -esac +# Allow user to override this if they pass --enable-libstdc++-v3 +if test "${ENABLE_LIBSTDCXX}" = "default" ; then + case "${target}" in + *-*-vxworks*) + # VxWorks uses the Dinkumware C++ library. + noconfigdirs="$noconfigdirs target-libstdc++-v3" + ;; + arm*-wince-pe*) + # the C++ libraries don't build on top of CE's C libraries + noconfigdirs="$noconfigdirs target-libstdc++-v3" + ;; + avr-*-*) + noconfigdirs="$noconfigdirs target-libstdc++-v3" + ;; + esac +fi # Disable Fortran for some systems. case "${target}" in @@ -569,6 +611,8 @@ esac # Disable Java if libffi is not supported. case "${target}" in + aarch64-*-*) + ;; alpha*-*-*) ;; arm*-*-*) @@ -710,6 +754,23 @@ case "${target}" in ;; esac +# Disable libgo for some systems where it is known to not work. +# For testing, you can easily override this with --enable-libgo. +if test x$enable_libgo = x; then + case "${target}" in + *-*-darwin*) + # PR 46986 + noconfigdirs="$noconfigdirs target-libgo" + ;; + *-*-cygwin* | *-*-mingw*) + noconfigdirs="$noconfigdirs target-libgo" + ;; + *-*-aix*) + noconfigdirs="$noconfigdirs target-libgo" + ;; + esac +fi + # Default libgloss CPU subdirectory. libgloss_dir="$target_cpu" @@ -717,6 +778,9 @@ case "${target}" in sh*-*-pe|mips*-*-pe|*arm-wince-pe) libgloss_dir=wince ;; + aarch64*-*-* ) + libgloss_dir=aarch64 + ;; arm*-*-*) libgloss_dir=arm ;; @@ -884,6 +948,13 @@ case "${target}" in arm-*-riscix*) noconfigdirs="$noconfigdirs ld target-libgloss" ;; + avr-*-rtems*) + ;; + avr-*-*) + if test x${with_avrlibc} != xno; then + noconfigdirs="$noconfigdirs target-newlib target-libgloss" + fi + ;; c4x-*-* | tic4x-*-*) noconfigdirs="$noconfigdirs target-libgloss" ;; @@ -1018,7 +1089,7 @@ case "${target}" in microblaze*) noconfigdirs="$noconfigdirs gprof" ;; - mips*-sde-elf*) + mips*-sde-elf* | mips*-mti-elf*) if test x$with_newlib = xyes; then noconfigdirs="$noconfigdirs gprof" fi @@ -1158,6 +1229,26 @@ if test -z "$LD"; then fi fi +# Check whether -static-libstdc++ -static-libgcc is supported. +have_static_libs=no +if test "$GCC" = yes; then + saved_LDFLAGS="$LDFLAGS" + + LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" + AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) + AC_LANG_PUSH(C++) + AC_LINK_IFELSE([ +#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) +#error -static-libstdc++ not implemented +#endif +int main() {}], + [AC_MSG_RESULT([yes]); have_static_libs=yes], + [AC_MSG_RESULT([no])]) + AC_LANG_POP(C++) + + LDFLAGS="$saved_LDFLAGS" +fi + ACX_PROG_GNAT ACX_PROG_CMP_IGNORE_INITIAL @@ -1204,20 +1295,6 @@ case "$have_compiler:$host:$target:$enable_bootstrap" in ;; esac -# See if we are building gcc with C++. -AC_ARG_ENABLE(build-with-cxx, -[AS_HELP_STRING([--enable-build-with-cxx], - [build with C++ compiler instead of C compiler])], -ENABLE_BUILD_WITH_CXX=$enableval, -ENABLE_BUILD_WITH_CXX=no) - -# Build stage1 with C and build stages 2 and 3 with C++. -AC_ARG_ENABLE(build-poststage1-with-cxx, -[AS_HELP_STRING([--enable-build-poststage1-with-cxx], - [build stages 2 and 3 with C++, not C])], -ENABLE_BUILD_POSTSTAGE1_WITH_CXX=$enableval, -ENABLE_BUILD_POSTSTAGE1_WITH_CXX=yes) - # Used for setting $lt_cv_objdir _LT_CHECK_OBJDIR @@ -1358,7 +1435,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then AC_TRY_COMPILE([#include "gmp.h"],[ #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) - #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0) + #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) choke me #endif ], [AC_TRY_COMPILE([#include ],[ @@ -1468,17 +1545,6 @@ case $with_host_libstdcxx in ;; esac -# Linker flags to use for stage1 or when not boostrapping. -AC_ARG_WITH(stage1-ldflags, -[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], -[if test "$withval" = "no" -o "$withval" = "yes"; then - stage1_ldflags= - else - stage1_ldflags=$withval - fi], -[stage1_ldflags=]) -AC_SUBST(stage1_ldflags) - # Libraries to use for stage1 or when not bootstrapping. AC_ARG_WITH(stage1-libs, [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], @@ -1490,6 +1556,23 @@ AC_ARG_WITH(stage1-libs, [stage1_libs=$with_host_libstdcxx]) AC_SUBST(stage1_libs) +# Linker flags to use for stage1 or when not bootstrapping. +AC_ARG_WITH(stage1-ldflags, +[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], +[if test "$withval" = "no" -o "$withval" = "yes"; then + stage1_ldflags= + else + stage1_ldflags=$withval + fi], +[stage1_ldflags= + # In stage 1, default to linking libstdc++ and libgcc statically with GCC + # if supported. But if the user explicitly specified the libraries to use, + # trust that they are doing what they want. + if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then + stage1_ldflags="-static-libstdc++ -static-libgcc" + fi]) +AC_SUBST(stage1_ldflags) + # Libraries to use for stage2 and later builds. This defaults to the # argument passed to --with-host-libstdcxx. AC_ARG_WITH(boot-libs, @@ -1520,44 +1603,74 @@ AC_ARG_WITH(boot-ldflags, fi]) AC_SUBST(poststage1_ldflags) -# Check for ISL -dnl Provide configure switches and initialize islinc & isllibs -dnl with user input. -ISL_INIT_FLAGS -if test "x$with_isl" != "xno"; then - dnl The minimal version of ISL required for Graphite. +# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL. +# Basic setup is inlined here, actual checks are in config/cloog.m4 and +# config/isl.m4 + +AC_ARG_WITH(cloog, + [AS_HELP_STRING( + [--with-cloog=PATH], + [Specify prefix directory for the installed CLooG-ISL package. + Equivalent to --with-cloog-include=PATH/include + plus --with-cloog-lib=PATH/lib])]) +AC_ARG_WITH(isl, + [AS_HELP_STRING( + [--with-isl=PATH], + [Specify prefix directory for the installed ISL package. + Equivalent to --with-isl-include=PATH/include + plus --with-isl-lib=PATH/lib])]) + +# Treat either --without-cloog or --without-isl as a request to disable +# GRAPHITE support and skip all following checks. +if test "x$with_isl" != "xno" && + test "x$with_cloog" != "xno"; then + # Check for ISL + dnl Provide configure switches and initialize islinc & isllibs + dnl with user input. + ISL_INIT_FLAGS + dnl The versions of ISL that work for Graphite ISL_CHECK_VERSION(0,10) - + if test "${gcc_cv_isl}" = no ; then + ISL_CHECK_VERSION(0,11) + fi 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.])]) -fi -# Check for CLOOG -dnl Provide configure switches and initialize clooginc & clooglibs -dnl with user input. -CLOOG_INIT_FLAGS -if test "x$isllibs" = x && test "x$islinc" = x; then - clooglibs= - clooginc= -elif test "x$with_cloog" != "xno"; then - dnl The minimal version of CLooG required for Graphite. - dnl - dnl If we use CLooG-Legacy, the provided version information is - dnl ignored. - CLOOG_CHECK_VERSION(0,17,0) - - dnl Only execute fail-action, if CLooG has been requested. - CLOOG_IF_FAILED([ - AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])]) + if test "x$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 "${gcc_cv_cloog}" = no ; then + CLOOG_CHECK_VERSION(0,18,0) + fi + + dnl Only execute fail-action, if CLooG has been requested. + CLOOG_IF_FAILED([ + AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])]) + fi fi # If either the ISL or the CLooG check failed, disable builds of in-tree # variants of both -if test "x$clooglibs" = x && test "x$clooginc" = x; then +if test "x$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" + islinc= + clooginc= + clooglibs= fi +AC_SUBST(islinc) +AC_SUBST(clooglibs) +AC_SUBST(clooginc) + + # Check for LTO support. AC_ARG_ENABLE(lto, [AS_HELP_STRING([--enable-lto], [enable link time optimization support])], @@ -1595,7 +1708,7 @@ ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. ]) -# By default, C is the only stage 1 language. +# By default, C and C++ are the only stage 1 languages. stage1_languages=,c, # Target libraries that we bootstrap. @@ -1633,15 +1746,14 @@ if test -d ${srcdir}/gcc; then ;; esac - # If bootstrapping, then using --enable-build-with-cxx or - # --enable-build-poststage1-with-cxx requires enabling C++. - case ",$enable_languages,:,$ENABLE_BUILD_WITH_CXX,$ENABLE_BUILD_POSTSTAGE1_WITH_CXX,:$enable_bootstrap" in - *,c++,*:*:*) ;; - *:*,yes,*:yes) + # If bootstrapping, C++ must be enabled. + case ",$enable_languages,:$enable_bootstrap" in + *,c++,*:*) ;; + *:yes) if test -f ${srcdir}/gcc/cp/config-lang.in; then enable_languages="${enable_languages},c++" else - AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx or --enable-build-poststage1-with-cxx requires c++ sources]) + AC_MSG_ERROR([bootstrapping requires c++ sources]) fi ;; esac @@ -1736,12 +1848,10 @@ if test -d ${srcdir}/gcc; then fi if test "$language" = "c++"; then - if test "$ENABLE_BUILD_WITH_CXX" = "yes" \ - || test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then - boot_language=yes - fi + boot_language=yes fi + add_this_lang=no case ,${enable_languages}, in *,${language},*) # Language was explicitly selected; include it @@ -1752,10 +1862,9 @@ if test -d ${srcdir}/gcc; then ;; *,all,*) # 'all' was selected, select it if it is a default language - add_this_lang=${build_by_default} - ;; - *) - add_this_lang=no + if test "$language" != "c"; then + add_this_lang=${build_by_default} + fi ;; esac @@ -1924,11 +2033,11 @@ case ,${enable_languages},:${enable_objc_gc} in ;; esac -# Disable libitm if we're not building C++ +# Disable libitm and libsanitizer if we're not building C++ case ,${enable_languages}, in *,c++,*) ;; *) - noconfigdirs="$noconfigdirs target-libitm" + noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" ;; esac @@ -2228,7 +2337,7 @@ case "${target}" in spu-*-*) target_makefile_frag="config/mt-spu" ;; - mips*-sde-elf*) + mips*-sde-elf* | mips*-mti-elf*) target_makefile_frag="config/mt-sde" ;; mipsisa*-*-elfoabi*) @@ -2349,6 +2458,11 @@ 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, +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! @@ -2768,7 +2882,7 @@ case " $target_configdirs " in *" --with-newlib "*) case "$target" in *-cygwin*) - FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' + FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' ;; esac @@ -3045,7 +3159,7 @@ GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, - [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], + [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], c++) GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], @@ -3129,26 +3243,6 @@ case $build in esac ;; esac -# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems. -if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then - saved_CFLAGS="$CFLAGS" - - # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it. - CFLAGS="$CFLAGS -fkeep-inline-functions" - AC_MSG_CHECKING([whether -fkeep-inline-functions is supported]) - AC_TRY_COMPILE([ -#if (__GNUC__ < 3) \ - || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \ - || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1))) -#error http://gcc.gnu.org/PR29382 -#endif - ],, - [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"], - [AC_MSG_RESULT([no])]) - - CFLAGS="$saved_CFLAGS" -fi - AC_SUBST(stage1_cflags) # Enable --enable-checking in stage1 of the compiler. @@ -3178,21 +3272,13 @@ case ${enable_werror} in esac AC_SUBST(stage2_werror_flag) -# If using ENABLE_BUILD_POSTSTAGE1_WITH_CXX, pass -# --enable-build-with-cxx after stage1. -if test "$ENABLE_BUILD_POSTSTAGE1_WITH_CXX" = "yes"; then - POSTSTAGE1_CONFIGURE_FLAGS=--enable-build-with-cxx -else - POSTSTAGE1_CONFIGURE_FLAGS= -fi -AC_SUBST(POSTSTAGE1_CONFIGURE_FLAGS) - # Specify what files to not compare during bootstrap. compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" case "$target" in hppa*64*-*-hpux*) ;; hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; + powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; esac AC_SUBST(compare_exclusions)