crosstool-ng: scripts/build/cc

     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 do_print_filename() {

     6     [ "${CT_CC}" = "gcc" ] || return 0

     7     echo "gcc-${CT_CC_VERSION}"

8 }

    10 # Download gcc

    11 do_cc_get() {

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

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

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

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

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

    17     # subdirectory! You bastard!

    18     CT_GetFile "${CT_CC_FILE}"  \

    19                {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/${CT_CC_FILE}}

    20 }

    22 # Extract gcc

    23 do_cc_extract() {

    24     CT_ExtractAndPatch "${CT_CC_FILE}"

    25 }

    27 #------------------------------------------------------------------------------

    28 # Core gcc pass 1

    29 do_cc_core_pass_1() {

    30     # In case we're NPTL, build the static core gcc;

    31     # in any other case, do nothing.

    32     case "${CT_THREADS}" in

    33         nptl)   do_cc_core_static build_libgcc=no;;

    34     esac

    35 }

    37 # Core gcc pass 2

    38 do_cc_core_pass_2() {

    39     # In case we're NPTL, build the shared core gcc,

    40     # in any other case, build the static core gcc and the target libgcc.

    41     case "${CT_THREADS}" in

    42         nptl)   do_cc_core_shared;;

    43         *)      do_cc_core_static build_libgcc=yes;;

    44     esac

    45 }

    47 #------------------------------------------------------------------------------

    48 # Build static core gcc

    49 # We need to know wether to build the target libgcc!

    50 # Usage: do_cc_core_static <build_libgcc=[yes|no]>

    51 do_cc_core_static() {

    52     eval $1

    53     CT_TestOrAbort "Internal Error: '$0' does not know wether to build, or not to build, target libgcc" -n "${build_libgcc}"

    55     mkdir -p "${CT_BUILD_DIR}/build-cc-core-static"

    56     cd "${CT_BUILD_DIR}/build-cc-core-static"

    58     CT_DoStep INFO "Installing static core C compiler"

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

    61     mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include"

    62     cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG

    64     CT_DoLog EXTRA "Configuring static core C compiler"

    66     extra_config="${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}"

    67     [ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"

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

    69         extra_config="${extra_config} --enable-__cxa_atexit"

    70     else

    71         extra_config="${extra_config} --disable-__cxa_atexit"

    72     fi

    74     CT_DoLog DEBUG "Extra config passed: '${extra_config}'"

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

    77     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

    78     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

    79     CT_DoExecLog ALL                                \

    80     "${CT_SRC_DIR}/${CT_CC_FILE}/configure"         \

    81         ${CT_CANADIAN_OPT}                          \

    82         --host=${CT_HOST}                           \

    83         --target=${CT_TARGET}                       \

    84         --prefix="${CT_CC_CORE_STATIC_PREFIX_DIR}"  \

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

    86         --disable-multilib                          \

    87         --with-newlib                               \

    88         ${CC_CORE_SYSROOT_ARG}                      \

    89         ${extra_config}                             \

    90         --disable-nls                               \

    91         --enable-threads=no                         \

    92         --enable-symvers=gnu                        \

    93         --enable-languages=c                        \

    94         --disable-shared                            \

    95         --enable-target-optspace                    \

    96         ${CT_CC_CORE_EXTRA_CONFIG}

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

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

   100             CT_DoExecLog ALL make configure-libiberty

   101             CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a

   102             CT_DoExecLog ALL make configure-gcc configure-libcpp

   103             CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp

   104         else

   105             CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty

   106             CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty

   107         fi

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

   109         if [ -d "${CT_SRC_DIR}/${CT_CC_FILE}/libdecnumber" ]; then

   110             CT_DoExecLog ALL make configure-libdecnumber

   111             CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a

   112         fi

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

   115         # and libgcc.mvars is used instead.

   117         gcc_version_major=$(echo ${CT_CC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')

   118         gcc_version_minor=$(echo ${CT_CC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')

   120         if [    ${gcc_version_major} -eq 4 -a ${gcc_version_minor} -ge 3    \

   121              -o ${gcc_version_major} -gt 4                                  ]; then

   122             libgcc_rule="libgcc.mvars"

   123             build_rules="all-gcc all-target-libgcc"

   124             install_rules="install-gcc install-target-libgcc"

   125         else

   126             libgcc_rule="libgcc.mk"

   127             build_rules="all-gcc"

   128             install_rules="install-gcc"

   129         fi

   131         CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}

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

   133     else # build_libgcc

   134             build_rules="all-gcc"

   135             install_rules="install-gcc"

   136     fi   # ! build libgcc

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

   139         CT_DoLog EXTRA "Building libiberty"

   140         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty

   141     fi

   143     CT_DoLog EXTRA "Building static core C compiler"

   144     CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}

   146     CT_DoLog EXTRA "Installing static core C compiler"

   147     CT_DoExecLog ALL make ${install_rules}

   149     CT_EndStep

   150 }

   152 #------------------------------------------------------------------------------

   153 # Build shared core gcc

   154 do_cc_core_shared() {

   155     mkdir -p "${CT_BUILD_DIR}/build-cc-core-shared"

   156     cd "${CT_BUILD_DIR}/build-cc-core-shared"

   158     CT_DoStep INFO "Installing shared core C compiler"

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

   161     mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include"

   162     cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG

   164     CT_DoLog EXTRA "Configuring shared core C compiler"

   166     extra_config="${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}"

   167     [ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"

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

   169         extra_config="${extra_config} --enable-__cxa_atexit"

   170     else

   171         extra_config="${extra_config} --disable-__cxa_atexit"

   172     fi

   174     CT_DoLog DEBUG "Extra config passed: '${extra_config}'"

   176     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

   177     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

   178     CT_DoExecLog ALL                                \

   179     "${CT_SRC_DIR}/${CT_CC_FILE}/configure"         \

   180         ${CT_CANADIAN_OPT}                          \

   181         --target=${CT_TARGET}                       \

   182         --host=${CT_HOST}                           \

   183         --prefix="${CT_CC_CORE_SHARED_PREFIX_DIR}"  \

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

   185         --disable-multilib                          \

   186         ${CC_CORE_SYSROOT_ARG}                      \

   187         ${extra_config}                             \

   188         --disable-nls                               \

   189         --enable-symvers=gnu                        \

   190         --enable-languages=c                        \

   191         --enable-shared                             \

   192         --enable-target-optspace                    \

   193         ${CT_CC_CORE_EXTRA_CONFIG}

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

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

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

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

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

   200     # cross toolchain during the final gcc build.

   201     #

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

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

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

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

   206     #

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

   208     # so we configure then build it.

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

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

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

   212         CT_DoExecLog ALL make configure-libiberty

   213         CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a

   214         CT_DoExecLog ALL make configure-gcc configure-libcpp

   215         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp

   216     else

   217         CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty

   218         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty

   219     fi

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

   221     if [ -d "${CT_SRC_DIR}/${CT_CC_FILE}/libdecnumber" ]; then

   222         CT_DoExecLog ALL make configure-libdecnumber

   223         CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a

   224     fi

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

   227     # and libgcc.mvars is used instead.

   229     gcc_version_major=$(echo ${CT_CC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')

   230     gcc_version_minor=$(echo ${CT_CC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')

   232     if [    ${gcc_version_major} -eq 4 -a ${gcc_version_minor} -ge 3    \

   233          -o ${gcc_version_major} -gt 4                                  ]; then

   234         libgcc_rule="libgcc.mvars"

   235         build_rules="all-gcc all-target-libgcc"

   236         install_rules="install-gcc install-target-libgcc"

   237     else

   238         libgcc_rule="libgcc.mk"

   239         build_rules="all-gcc"

   240         install_rules="install-gcc"

   241     fi

   243     CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}

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

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

   247         CT_DoLog EXTRA "Building libiberty"

   248         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty

   249     fi

   251     CT_DoLog EXTRA "Building shared core C compiler"

   252     CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}

   254     CT_DoLog EXTRA "Installing shared core C compiler"

   255     CT_DoExecLog ALL make ${install_rules}

   257     CT_EndStep

   258 }

   260 #------------------------------------------------------------------------------

   261 # Build final gcc

   262 do_cc() {

   263     CT_DoStep INFO "Installing final compiler"

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

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

   268     CT_DoLog EXTRA "Configuring final compiler"

   270     # Enable selected languages

   271     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

   284     extra_config="--enable-languages=${lang_opt}"

   285     extra_config="${extra_config} --disable-multilib"

   286     extra_config="${extra_config} ${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}"

   287     [ "${CT_SHARED_LIBS}" = "y" ]     || extra_config="${extra_config} --disable-shared"

   288     [ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"

   289     [ -n "${CT_CC_PKGVERSION}" ]      && extra_config="${extra_config} --with-pkgversion=${CT_CC_PKGVERSION}"

   290     [ -n "${CT_CC_BUGURL}" ]          && extra_config="${extra_config} --with-bugurl=${CT_CC_BUGURL}"

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

   292         extra_config="${extra_config} --enable-__cxa_atexit"

   293     else

   294         extra_config="${extra_config} --disable-__cxa_atexit"

   295     fi

   297     CT_DoLog DEBUG "Extra config passed: '${extra_config}'"

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

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

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

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

   303     CC_FOR_BUILD="${CT_CC_NATIVE}"              \

   304     CFLAGS="${CT_CFLAGS_FOR_HOST}"              \

   305     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"     \

   306     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"   \

   307     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"   \

   308     CT_DoExecLog ALL                            \

   309     "${CT_SRC_DIR}/${CT_CC_FILE}/configure"     \

   310         ${CT_CANADIAN_OPT}                      \

   311         --target=${CT_TARGET} --host=${CT_HOST} \

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

   313         ${CC_SYSROOT_ARG}                       \

   314         ${extra_config}                         \

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

   316         --disable-nls                           \

   317         --enable-threads=posix                  \

   318         --enable-symvers=gnu                    \

   319         --enable-c99                            \

   320         --enable-long-long                      \

   321         --enable-target-optspace                \

   322         ${CT_CC_EXTRA_CONFIG}

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

   325         CT_DoLog EXTRA "Building libiberty"

   326         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty

   327     fi

   329     CT_DoLog EXTRA "Building final compiler"

   330     CT_DoExecLog ALL make ${PARALLELMFLAGS} all

   332     CT_DoLog EXTRA "Installing final compiler"

   333     CT_DoExecLog ALL make install

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

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

   337     ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-{g,}cc 2>&1 |CT_DoLog ALL

   339     CT_EndStep

   340 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Thu Aug 07 13:28:02 2008 +0000 (2008-08-07)
changeset 763	f078be5961ec
parent 757	90e887b06da3
child 765	f89ccf3ea5d6
permissions	-rw-r--r--