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;;

    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.

    41     case "${CT_THREADS}" in

    42         nptl)   do_cc_core_shared;;

    43         *)      do_cc_core_static;;

    44     esac

    45 }

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

    48 # Build static core gcc

    49 do_cc_core_static() {

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

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

    53     CT_DoStep INFO "Installing static core C compiler"

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

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

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

    59     CT_DoLog EXTRA "Configuring static core C compiler"

    61     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}"

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

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

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

    65     else

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

    67     fi

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

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

    72     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

    73     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

    74     CT_DoExecLog ALL                                \

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

    76         ${CT_CANADIAN_OPT}                          \

    77         --host=${CT_HOST}                           \

    78         --target=${CT_TARGET}                       \

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

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

    81         --disable-multilib                          \

    82         --with-newlib                               \

    83         ${CC_CORE_SYSROOT_ARG}                      \

    84         ${extra_config}                             \

    85         --disable-nls                               \

    86         --enable-threads=no                         \

    87         --enable-symvers=gnu                        \

    88         --enable-languages=c                        \

    89         --disable-shared                            \

    90         --enable-target-optspace                    \

    91         ${CT_CC_CORE_EXTRA_CONFIG}

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

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

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

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

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

    98     # cross toolchain during the final gcc build.

    99     #

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

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

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

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

   104     #

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

   106     # so we configure then build it.

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

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

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

   110         CT_DoExecLog ALL make configure-libiberty

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

   112         CT_DoExecLog ALL make configure-gcc configure-libcpp

   113         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp

   114     else

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

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

   117     fi

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

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

   120         CT_DoExecLog ALL make configure-libdecnumber

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

   122     fi

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

   125     # and libgcc.mvars is used instead.

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

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

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

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

   132         libgcc_rule="libgcc.mvars"

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

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

   135     else

   136         libgcc_rule="libgcc.mk"

   137         build_rules="all-gcc"

   138         install_rules="install-gcc"

   139     fi

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

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

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

   145         CT_DoLog EXTRA "Building libiberty"

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

   147     fi

   149     CT_DoLog EXTRA "Building static core C compiler"

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

   152     CT_DoLog EXTRA "Installing static core C compiler"

   153     CT_DoExecLog ALL make ${install_rules}

   155     CT_EndStep

   156 }

   158 #------------------------------------------------------------------------------

   159 # Build shared core gcc

   160 do_cc_core_shared() {

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

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

   164     CT_DoStep INFO "Installing shared core C compiler"

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

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

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

   170     CT_DoLog EXTRA "Configuring shared core C compiler"

   172     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}"

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

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

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

   176     else

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

   178     fi

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

   182     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

   183     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

   184     CT_DoExecLog ALL                                \

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

   186         ${CT_CANADIAN_OPT}                          \

   187         --target=${CT_TARGET}                       \

   188         --host=${CT_HOST}                           \

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

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

   191         --disable-multilib                          \

   192         ${CC_CORE_SYSROOT_ARG}                      \

   193         ${extra_config}                             \

   194         --disable-nls                               \

   195         --enable-symvers=gnu                        \

   196         --enable-languages=c                        \

   197         --enable-shared                             \

   198         --enable-target-optspace                    \

   199         ${CT_CC_CORE_EXTRA_CONFIG}

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

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

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

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

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

   206     # cross toolchain during the final gcc build.

   207     #

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

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

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

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

   212     #

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

   214     # so we configure then build it.

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

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

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

   218         CT_DoExecLog ALL make configure-libiberty

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

   220         CT_DoExecLog ALL make configure-gcc configure-libcpp

   221         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp

   222     else

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

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

   225     fi

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

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

   228         CT_DoExecLog ALL make configure-libdecnumber

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

   230     fi

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

   233     # and libgcc.mvars is used instead.

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

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

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

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

   240         libgcc_rule="libgcc.mvars"

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

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

   243     else

   244         libgcc_rule="libgcc.mk"

   245         build_rules="all-gcc"

   246         install_rules="install-gcc"

   247     fi

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

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

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

   253         CT_DoLog EXTRA "Building libiberty"

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

   255     fi

   257     CT_DoLog EXTRA "Building shared core C compiler"

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

   260     CT_DoLog EXTRA "Installing shared core C compiler"

   261     CT_DoExecLog ALL make ${install_rules}

   263     CT_EndStep

   264 }

   266 #------------------------------------------------------------------------------

   267 # Build final gcc

   268 do_cc() {

   269     CT_DoStep INFO "Installing final compiler"

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

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

   274     CT_DoLog EXTRA "Configuring final compiler"

   276     # Enable selected languages

   277     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

   292     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}"

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

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

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

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

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

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

   299     else

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

   301     fi

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

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

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

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

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

   309     CC_FOR_BUILD="${CT_CC_NATIVE}"              \

   310     CFLAGS="${CT_CFLAGS_FOR_HOST}"              \

   311     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"     \

   312     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"   \

   313     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"   \

   314     CT_DoExecLog ALL                            \

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

   316         ${CT_CANADIAN_OPT}                      \

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

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

   319         ${CC_SYSROOT_ARG}                       \

   320         ${extra_config}                         \

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

   322         --disable-nls                           \

   323         --enable-threads=posix                  \

   324         --enable-symvers=gnu                    \

   325         --enable-c99                            \

   326         --enable-long-long                      \

   327         --enable-target-optspace                \

   328         ${CT_CC_EXTRA_CONFIG}

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

   331         CT_DoLog EXTRA "Building libiberty"

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

   333     fi

   335     CT_DoLog EXTRA "Building final compiler"

   336     CT_DoExecLog ALL make ${PARALLELMFLAGS} all

   338     CT_DoLog EXTRA "Installing final compiler"

   339     CT_DoExecLog ALL make install

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

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

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

   345     CT_EndStep

   346 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Mon Aug 04 12:38:06 2008 +0000 (2008-08-04)
changeset 757	90e887b06da3
parent 740	d26d8cc7c460
child 763	f078be5961ec
permissions	-rw-r--r--