crosstool-ng: scripts/build/cc/gcc.sh@9ab4392430ad

     1 # This file adds the function to build the gcc C compiler

     2 # Copyright 2007 Yann E. MORIN

     3 # Licensed under the GPL v2. See COPYING in the root of this package

     5 # Download gcc

     6 do_cc_get() {

     7     # Ah! gcc folks are kind of 'different': they store the tarballs in

     8     # subdirectories of the same name! That's because gcc is such /crap/ that

     9     # it is such /big/ that it needs being splitted for distribution! Sad. :-(

    10     # Arrgghh! Some of those versions does not follow this convention:

    11     # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a

    12     # subdirectory! You bastard!

    13     CT_GetFile "gcc-${CT_CC_VERSION}"                                                       \

    14                {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}}         \

    15                ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \

    16                ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION}

    18     # Starting with GCC 4.3, ecj is used for Java, and will only be

    19     # built if the configure script finds ecj.jar at the top of the

    20     # GCC source tree, which will not be there unless we get it and

    21     # put it there ourselves

    22     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then

    23         CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java   \

    24                                    ftp://sourceware.org/pub/java

    25     fi

    26 }

    28 # Extract gcc

    29 do_cc_extract() {

    30     CT_Extract "gcc-${CT_CC_VERSION}"

    31     CT_Patch "gcc" "${CT_CC_VERSION}"

    33     # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree

    34     if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y"                     \

    35          -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"   \

    36        ]; then

    37         CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"

    38     fi

    39 }

    41 #------------------------------------------------------------------------------

    42 # Core gcc pass 1

    43 do_cc_core_pass_1() {

    44     # If we're building for bare metal, build the static core gcc,

    45     # with libgcc.

    46     # In case we're not bare metal and building a canadian compiler, do nothing

    47     # In case we're not bare metal, and we're NPTL, build the static core gcc.

    48     # In any other case, do nothing.

    49     case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in

    50         y,*,*)  do_cc_core mode=static;;

    51         ,y,*)   ;;

    52         ,,nptl) do_cc_core mode=static;;

    53         *)      ;;

    54     esac

    55 }

    57 # Core gcc pass 2

    58 do_cc_core_pass_2() {

    59     # In case we're building for bare metal, do nothing, we already have

    60     # our compiler.

    61     # In case we're not bare metal and building a canadian compiler, do nothing

    62     # In case we're NPTL, build the shared core gcc and the target libgcc.

    63     # In any other case, build the static core gcc and, if using gcc-4.3+,

    64     # also build the target libgcc.

    65     case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in

    66         y,*,*)

    67             if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

    68                 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes build_staticlinked=yes

    69             else

    70                 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes

    71             fi

    72             ;;

    73         ,y,*)   ;;

    74         ,,nptl)

    75             do_cc_core mode=shared build_libgcc=yes

    76             ;;

    77         ,,win32)

    78             do_cc_core mode=static build_libgcc=yes

    79             ;;

    80         *)  if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then

    81                 do_cc_core mode=static build_libgcc=yes

    82             else

    83                 do_cc_core mode=static

    84             fi

    85             ;;

    86     esac

    87 }

    89 #------------------------------------------------------------------------------

    90 # Build core gcc

    91 # This function is used to build both the static and the shared core C conpiler,

    92 # with or without the target libgcc. We need to know wether:

    93 #  - we're building static, shared or bare metal: mode=[static|shared|baremetal]

    94 #  - we need to build libgcc or not             : build_libgcc=[yes|no]       (default: no)

    95 #  - we need to build libstdc++ or not          : build_libstdcxx=[yes|no]    (default: no)

    96 #  - we need to build statically linked or not  : build_staticlinked=[yes|no] (default: no)

    97 # Usage: do_cc_core mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]

    98 do_cc_core() {

    99     local mode

   100     local build_libgcc=no

   101     local build_libstdcxx=no

   102     local build_staticlinked=no

   103     local core_prefix_dir

   104     local lang_opt

   105     local tmp

   106     local -a extra_config

   107     local -a core_LDFLAGS

   108     local -a core_targets

   110     while [ $# -ne 0 ]; do

   111         eval "${1}"

   112         shift

   113     done

   115     lang_opt=c

   116     case "${mode}" in

   117         static)

   118             core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"

   119             extra_config+=("--with-newlib")

   120             extra_config+=("--enable-threads=no")

   121             extra_config+=("--disable-shared")

   122             copy_headers=y  # For baremetal, as there's no headers to copy,

   123                             # we copy an empty directory. So, who cares?

   124             ;;

   125         shared)

   126             core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"

   127             extra_config+=("--enable-shared")

   128             copy_headers=y

   129             ;;

   130         baremetal)

   131             core_prefix_dir="${CT_PREFIX_DIR}"

   132             extra_config+=("--with-newlib")

   133             extra_config+=("--enable-threads=no")

   134             extra_config+=("--disable-shared")

   135             [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"

   136             copy_headers=n

   137             ;;

   138         *)

   139             CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"

   140             ;;

   141     esac

   143     CT_DoStep INFO "Installing ${mode} core C compiler"

   144     mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"

   145     cd "${CT_BUILD_DIR}/build-cc-core-${mode}"

   147     # Bare metal delivers the core compiler as final compiler, so add version info and bugurl

   148     [ -n "${CT_CC_BUGURL}" ]     && extra_config+=("--with-bugurl=${CT_CC_BUGURL}")

   149     [ -n "${CT_CC_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_CC_PKGVERSION}")

   151     if [ "${copy_headers}" = "y" ]; then

   152         CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"

   153         CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${core_prefix_dir}/${CT_TARGET}/include"

   154     fi

   156     CT_DoLog EXTRA "Configuring ${mode} core C compiler"

   158     for tmp in ARCH ABI CPU TUNE FPU FLOAT; do

   159         eval tmp="\${CT_ARCH_WITH_${tmp}}"

   160         if [ -n "${tmp}" ]; then

   161             extra_config+=("${tmp}")

   162         fi

   163     done

   164     if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then

   165         extra_config+=("--enable-__cxa_atexit")

   166     else

   167         extra_config+=("--disable-__cxa_atexit")

   168     fi

   170     # *** WARNING ! ***

   171     # Keep this full if-else-if-elif-fi-fi block in sync

   172     # with the same block in do_cc, below.

   173     if [ "${build_staticlinked}" = "yes" ]; then

   174         core_LDFLAGS+=("-static")

   175         extra_config+=("--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++ -lm")

   176         # Companion libraries are build static (eg !shared), so

   177         # the libstdc++ is not pulled automatically, although it

   178         # is needed. Shoe-horn it in our LDFLAGS

   179         # Ditto libm on some Fedora boxen

   180         final_LDFLAGS+=("-lstdc++")

   181         final_LDFLAGS+=("-lm")

   182     else

   183         if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then

   184             # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2

   185             # build script

   186             # FIXME: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,

   187             # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html

   188             extra_config+=("--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm")

   189         elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then

   190             # When companion libraries are build static (eg !shared),

   191             # the libstdc++ is not pulled automatically, although it

   192             # is needed. Shoe-horn it in our LDFLAGS

   193             # Ditto libm on some Fedora boxen

   194             core_LDFLAGS+=("-lstdc++")

   195             core_LDFLAGS+=("-lm")

   196         fi

   197     fi

   199     if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then

   200         extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")

   201         extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")

   202     fi

   203     if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then

   204         extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")

   205     fi

   206     if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then

   207         extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")

   208         extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")

   209     elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then

   210         extra_config+=("--with-ppl=no")

   211         extra_config+=("--with-cloog=no")

   212     fi

   213     if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then

   214         extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")

   215         extra_config+=("--enable-lto")

   216     elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then

   217         extra_config+=("--with-libelf=no")

   218         extra_config+=("--disable-lto")

   219     fi

   221     if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then

   222         extra_config+=("--enable-target-optspace")

   223     fi

   225     case "${CT_CC_GCC_LDBL_128}" in

   226         y)  extra_config+=("--with-long-double-128");;

   227         m)  ;;

   228         "") extra_config+=("--without-long-double-128");;

   229     esac

   231     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"

   233     # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)

   234     CC_FOR_BUILD="${CT_BUILD}-gcc"                  \

   235     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

   236     LDFLAGS="${core_LDFLAGS[*]}"                    \

   237     CT_DoExecLog CFG                                \

   238     "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure"  \

   239         --build=${CT_BUILD}                         \

   240         --host=${CT_HOST}                           \

   241         --target=${CT_TARGET}                       \

   242         --prefix="${core_prefix_dir}"               \

   243         --with-local-prefix="${CT_SYSROOT_DIR}"     \

   244         --disable-multilib                          \

   245         --disable-libmudflap                        \

   246         ${CC_CORE_SYSROOT_ARG}                      \

   247         "${extra_config[@]}"                        \

   248         --disable-nls                               \

   249         --enable-symvers=gnu                        \

   250         --enable-languages="${lang_opt}"            \

   251         ${CT_CC_CORE_EXTRA_CONFIG}

   253     if [ "${build_libgcc}" = "yes" ]; then

   254         # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or

   255         # gcc/config/t-libunwind so -lc is removed from the link for

   256         # libgcc_s.so, as we do not have a target -lc yet.

   257         # This is not as ugly as it appears to be ;-) All symbols get resolved

   258         # during the glibc build, and we provide a proper libgcc_s.so for the

   259         # cross toolchain during the final gcc build.

   260         #

   261         # As we cannot modify the source tree, nor override SHLIB_LC itself

   262         # during configure or make, we have to edit the resultant

   263         # gcc/libgcc.mk itself to remove -lc from the link.

   264         # This causes us to have to jump through some hoops...

   265         #

   266         # To produce libgcc.mk to edit we firstly require libiberty.a,

   267         # so we configure then build it.

   268         # Next we have to configure gcc, create libgcc.mk then edit it...

   269         # So much easier if we just edit the source tree, but hey...

   270         if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then

   271             CT_DoExecLog CFG make configure-libiberty

   272             CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a

   273             CT_DoExecLog CFG make configure-gcc configure-libcpp

   274             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp

   275         else

   276             CT_DoExecLog CFG make configure-gcc configure-libcpp configure-build-libiberty

   277             CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty

   278         fi

   279         # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.

   280         if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then

   281             CT_DoExecLog CFG make configure-libdecnumber

   282             CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a

   283         fi

   285         # Starting with GCC 4.3, libgcc.mk is no longer built,

   286         # and libgcc.mvars is used instead.

   288         if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then

   289             libgcc_rule="libgcc.mvars"

   290             core_targets=( gcc target-libgcc )

   291         else

   292             libgcc_rule="libgcc.mk"

   293             core_targets=( gcc )

   294         fi

   296         # On bare metal and canadian build the host-compiler is used when

   297         # actually the build-system compiler is required. Choose the correct

   298         # compilers for canadian build and use the defaults on other

   299         # configurations.

   300         if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then

   301             repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \

   302                        GCC_FOR_TARGET=${CT_TARGET}-gcc"

   303         else

   304             repair_cc=""

   305         fi

   307         CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \

   308                               ${repair_cc}

   309         sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}

   310     else # build_libgcc

   311         core_targets=( gcc )

   312     fi   # ! build libgcc

   313     if [    "${build_libstdcxx}" = "yes"    \

   314          -a "${CT_CC_LANG_CXX}"  = "y"      \

   315        ]; then

   316         core_targets+=( target-libstdc++-v3 )

   317     fi

   319     CT_DoLog EXTRA "Building ${mode} core C compiler"

   320     CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"

   322     CT_DoLog EXTRA "Installing ${mode} core C compiler"

   323     CT_DoExecLog ALL make "${core_targets[@]/#/install-}"

   325     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able

   326     # to call the C compiler with the same, somewhat canonical name.

   327     # check whether compiler has an extension

   328     file="$( ls -1 "${core_prefix_dir}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"

   329     [ -z "${file}" ] || ext=".${file##*.}"

   330     CT_DoExecLog ALL ln -sv "${CT_TARGET}-gcc${ext}" "${core_prefix_dir}/bin/${CT_TARGET}-cc${ext}"

   332     CT_EndStep

   333 }

   335 #------------------------------------------------------------------------------

   336 # Build final gcc

   337 do_cc() {

   338     local -a extra_config

   339     local -a final_LDFLAGS

   340     local tmp

   342     # If building for bare metal, nothing to be done here, the static core conpiler is enough!

   343     [ "${CT_BARE_METAL}" = "y" ] && return 0

   345     CT_DoStep INFO "Installing final compiler"

   347     mkdir -p "${CT_BUILD_DIR}/build-cc"

   348     cd "${CT_BUILD_DIR}/build-cc"

   350     CT_DoLog EXTRA "Configuring final compiler"

   352     # Enable selected languages

   353     lang_opt="c"

   354     [ "${CT_CC_LANG_CXX}" = "y"      ] && lang_opt="${lang_opt},c++"

   355     [ "${CT_CC_LANG_FORTRAN}" = "y"  ] && lang_opt="${lang_opt},fortran"

   356     [ "${CT_CC_LANG_ADA}" = "y"      ] && lang_opt="${lang_opt},ada"

   357     [ "${CT_CC_LANG_JAVA}" = "y"     ] && lang_opt="${lang_opt},java"

   358     [ "${CT_CC_LANG_OBJC}" = "y"     ] && lang_opt="${lang_opt},objc"

   359     [ "${CT_CC_LANG_OBJCXX}" = "y"   ] && lang_opt="${lang_opt},obj-c++"

   360     CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"

   361     CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"

   362     CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"

   363     CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"

   364     lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')

   366     extra_config+=("--enable-languages=${lang_opt}")

   367     extra_config+=("--disable-multilib")

   368     for tmp in ARCH ABI CPU TUNE FPU FLOAT; do

   369         eval tmp="\${CT_ARCH_WITH_${tmp}}"

   370         if [ -n "${tmp}" ]; then

   371             extra_config+=("${tmp}")

   372         fi

   373     done

   375     [ "${CT_SHARED_LIBS}" = "y" ]                   || extra_config+=("--disable-shared")

   376     [ -n "${CT_CC_PKGVERSION}" ]                    && extra_config+=("--with-pkgversion=${CT_CC_PKGVERSION}")

   377     [ -n "${CT_CC_BUGURL}" ]                        && extra_config+=("--with-bugurl=${CT_CC_BUGURL}")

   378     case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in

   379         y)  extra_config+=("--enable-sjlj-exceptions");;

   380         m)  ;;

   381         "") extra_config+=("--disable-sjlj-exceptions");;

   382     esac

   383     if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then

   384         extra_config+=("--enable-__cxa_atexit")

   385     else

   386         extra_config+=("--disable-__cxa_atexit")

   387     fi

   388     if [ -n "${CC_ENABLE_CXX_FLAGS}" ]; then

   389         extra_config+=("--enable-cxx-flags=${CC_ENABLE_CXX_FLAGS}")

   390     fi

   391     if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then

   392         extra_config+=(--enable-libmudflap)

   393     else

   394         extra_config+=(--disable-libmudflap)

   395     fi

   396     if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then

   397         extra_config+=(--enable-libgomp)

   398     else

   399         extra_config+=(--disable-libgomp)

   400     fi

   401     if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then

   402         extra_config+=(--enable-libssp)

   403     else

   404         extra_config+=(--disable-libssp)

   405     fi

   407     # *** WARNING ! ***

   408     # Keep this full if-else-if-elif-fi-fi block in sync

   409     # with the same block in do_cc_core, above.

   410     if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

   411         final_LDFLAGS+=("-static")

   412         extra_config+=("--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++ -lm")

   413         # Companion libraries are build static (eg !shared), so

   414         # the libstdc++ is not pulled automatically, although it

   415         # is needed. Shoe-horn it in our LDFLAGS

   416         # Ditto libm on some Fedora boxen

   417         final_LDFLAGS+=("-lstdc++")

   418         final_LDFLAGS+=("-lm")

   419     else

   420         if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then

   421             # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2

   422             # build script

   423             # FIXME: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,

   424             # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html

   425             extra_config+=("--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm")

   426         elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then

   427             # When companion libraries are build static (eg !shared),

   428             # the libstdc++ is not pulled automatically, although it

   429             # is needed. Shoe-horn it in our LDFLAGS

   430             # Ditto libm on some Fedora boxen

   431             final_LDFLAGS+=("-lstdc++")

   432             final_LDFLAGS+=("-lm")

   433         fi

   434     fi

   436     if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then

   437         extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")

   438         extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")

   439     fi

   440     if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then

   441         extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")

   442     fi

   443     if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then

   444         extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")

   445         extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")

   446     elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then

   447         extra_config+=("--with-ppl=no")

   448         extra_config+=("--with-cloog=no")

   449     fi

   450     if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then

   451         extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")

   452     elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then

   453         extra_config+=("--with-libelf=no")

   454     fi

   456     if [ "${CT_THREADS}" = "none" ]; then

   457         extra_config+=("--disable-threads")

   458         if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then

   459             CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"

   460             extra_config+=("--disable-libgomp")

   461         fi

   462     else

   463         if [ "${CT_THREADS}" = "win32" ]; then

   464             extra_config+=("--enable-threads=win32")

   465             extra_config+=("--disable-win32-registry")

   466         else

   467             extra_config+=("--enable-threads=posix")

   468         fi

   469     fi

   471     if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then

   472         extra_config+=("--enable-target-optspace")

   473     fi

   474     if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then

   475         extra_config+=("--disable-libstdcxx-pch")

   476     fi

   478     case "${CT_CC_GCC_LDBL_128}" in

   479         y)  extra_config+=("--with-long-double-128");;

   480         m)  ;;

   481         "") extra_config+=("--without-long-double-128");;

   482     esac

   484     # If LTO is selected and binutils has gold, then enable

   485     # building the lto plugin with the --enable-gold option,

   486     # but only if gold has support for plugins.

   487     if [    "${CT_BINUTILS_GOLD_INSTALLED}" = "y"   \

   488          -a "${CT_BINUTILS_GOLD_PLUGINS}" = "y"     \

   489          -a "${CT_CC_GCC_USE_LTO}" = "y"            \

   490        ]; then

   491         extra_config+=( --enable-gold )

   492     fi

   494     CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"

   496     # --enable-symvers=gnu really only needed for sh4 to work around a

   497     # detection problem only matters for gcc-3.2.x and later, I think.

   498     # --disable-nls to work around crash bug on ppc405, but also because

   499     # embedded systems don't really need message catalogs...

   500     CC_FOR_BUILD="${CT_BUILD}-gcc"                  \

   501     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

   502     LDFLAGS="${final_LDFLAGS[*]}"                   \

   503     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"         \

   504     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"       \

   505     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"       \

   506     CT_DoExecLog CFG                                \

   507     "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure"  \

   508         --build=${CT_BUILD}                         \

   509         --host=${CT_HOST}                           \

   510         --target=${CT_TARGET}                       \

   511         --prefix="${CT_PREFIX_DIR}"                 \

   512         ${CC_SYSROOT_ARG}                           \

   513         "${extra_config[@]}"                        \

   514         --with-local-prefix="${CT_SYSROOT_DIR}"     \

   515         --disable-nls                               \

   516         --enable-symvers=gnu                        \

   517         --enable-c99                                \

   518         --enable-long-long                          \

   519         ${CT_CC_EXTRA_CONFIG}

   521     if [ "${CT_CANADIAN}" = "y" ]; then

   522         CT_DoLog EXTRA "Building libiberty"

   523         CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty

   524     fi

   526     CT_DoLog EXTRA "Building final compiler"

   527     CT_DoExecLog ALL make ${JOBSFLAGS} all

   529     CT_DoLog EXTRA "Installing final compiler"

   530     CT_DoExecLog ALL make install

   532     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able

   533     # to call the C compiler with the same, somewhat canonical name.

   534     # check whether compiler has an extension

   535     file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"

   536     [ -z "${file}" ] || ext=".${file##*.}"

   537     CT_DoExecLog ALL ln -sv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"

   539     CT_EndStep

   540 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sat Jan 22 22:35:43 2011 +0100 (2011-01-22)
changeset 2275	9ab4392430ad
parent 2248	4ea8e6d381f0
child 2287	61608c9365ab
permissions	-rw-r--r--