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

    94         CT_DoLog EXTRA "Building libiberty"

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

    96     fi

    98     CT_DoLog EXTRA "Building static core C compiler"

    99     CT_DoExecLog ALL make ${PARALLELMFLAGS} all-gcc

   101     CT_DoLog EXTRA "Installing static core C compiler"

   102     CT_DoExecLog ALL make install-gcc

   104     CT_EndStep

   105 }

   107 #------------------------------------------------------------------------------

   108 # Build shared core gcc

   109 do_cc_core_shared() {

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

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

   113     CT_DoStep INFO "Installing shared core C compiler"

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

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

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

   119     CT_DoLog EXTRA "Configuring shared core C compiler"

   121     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}"

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

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

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

   125     else

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

   127     fi

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

   131     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

   132     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

   133     CT_DoExecLog ALL                                \

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

   135         ${CT_CANADIAN_OPT}                          \

   136         --target=${CT_TARGET}                       \

   137         --host=${CT_HOST}                           \

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

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

   140         --disable-multilib                          \

   141         ${CC_CORE_SYSROOT_ARG}                      \

   142         ${extra_config}                             \

   143         --disable-nls                               \

   144         --enable-symvers=gnu                        \

   145         --enable-languages=c                        \

   146         --enable-shared                             \

   147         --enable-target-optspace                    \

   148         ${CT_CC_CORE_EXTRA_CONFIG}

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

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

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

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

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

   155     # cross toolchain during the final gcc build.

   156     #

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

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

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

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

   161     #

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

   163     # so we configure then build it.

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

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

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

   167         CT_DoExecLog ALL make configure-libiberty

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

   169         CT_DoExecLog ALL make configure-gcc configure-libcpp

   170         CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp

   171     else

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

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

   174     fi

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

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

   177         CT_DoExecLog ALL make configure-libdecnumber

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

   179     fi

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

   182     # and libgcc.mvars is used instead.

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

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

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

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

   189         libgcc_rule="libgcc.mvars"

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

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

   192     else

   193         libgcc_rule="libgcc.mk"

   194         build_rules="all-gcc"

   195         install_rules="install-gcc"

   196     fi

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

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

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

   202         CT_DoLog EXTRA "Building libiberty"

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

   204     fi

   206     CT_DoLog EXTRA "Building shared core C compiler"

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

   209     CT_DoLog EXTRA "Installing shared core C compiler"

   210     CT_DoExecLog ALL make ${install_rules}

   212     CT_EndStep

   213 }

   215 #------------------------------------------------------------------------------

   216 # Build final gcc

   217 do_cc() {

   218     CT_DoStep INFO "Installing final compiler"

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

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

   223     CT_DoLog EXTRA "Configuring final compiler"

   225     # Enable selected languages

   226     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

   241     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}"

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

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

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

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

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

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

   248     else

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

   250     fi

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

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

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

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

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

   258     CC_FOR_BUILD="${CT_CC_NATIVE}"              \

   259     CFLAGS="${CT_CFLAGS_FOR_HOST}"              \

   260     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"     \

   261     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"   \

   262     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"   \

   263     CT_DoExecLog ALL                            \

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

   265         ${CT_CANADIAN_OPT}                      \

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

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

   268         ${CC_SYSROOT_ARG}                       \

   269         ${extra_config}                         \

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

   271         --disable-nls                           \

   272         --enable-threads=posix                  \

   273         --enable-symvers=gnu                    \

   274         --enable-c99                            \

   275         --enable-long-long                      \

   276         --enable-target-optspace                \

   277         ${CT_CC_EXTRA_CONFIG}

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

   280         CT_DoLog EXTRA "Building libiberty"

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

   282     fi

   284     CT_DoLog EXTRA "Building final compiler"

   285     CT_DoExecLog ALL make ${PARALLELMFLAGS} all

   287     CT_DoLog EXTRA "Installing final compiler"

   288     CT_DoExecLog ALL make install

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

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

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

   294     CT_EndStep

   295 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Jul 27 16:35:37 2008 +0000 (2008-07-27)
changeset 740	d26d8cc7c460
parent 728	8e80350322e5
child 757	90e887b06da3
permissions	-rw-r--r--