crosstool-ng: scripts/build/cc/gcc.sh@ef8549b58b6f

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

     2         ${extra_config}                         \

     3 # Copyright 2007 Yann E. MORIN

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

     6 do_print_filename() {

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

     8     echo "gcc-${CT_CC_VERSION}"

9 }

    11 # Download gcc

    12 do_cc_get() {

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

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

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

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

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

    18     # subdirectory! You bastard!

    19     CT_GetFile "${CT_CC_FILE}"  \

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

    21 }

    23 # Extract gcc

    24 do_cc_extract() {

    25     CT_ExtractAndPatch "${CT_CC_FILE}"

    26 }

    28 #------------------------------------------------------------------------------

    29 # Core gcc pass 1

    30 do_cc_core_pass_1() {

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

    32     # with libgcc.

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

    34     # In any other case, do nothing.

    35     case "${CT_BARE_METAL},${CT_THREADS}" in

    36         y,*)    do_cc_core mode=baremetal build_libgcc=yes;;

    37         ,nptl)  do_cc_core mode=static build_libgcc=no;;

    38         *)      ;;

    39     esac

    40 }

    42 # Core gcc pass 2

    43 do_cc_core_pass_2() {

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

    45     # our compiler.

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

    47     # In any other case, build the static core gcc and the target libgcc.

    48     case "${CT_BARE_METAL},${CT_THREADS}" in

    49         y,*)    ;;

    50         ,nptl)  do_cc_core mode=shared build_libgcc=yes;;

    51         *)      do_cc_core mode=static build_libgcc=yes;;

    52     esac

    53 }

    55 #------------------------------------------------------------------------------

    56 # Build core gcc

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

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

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

    60 #  - we need to build libgcc or not             : build_libgcc=[yes|no]

    61 # Usage: do_cc_core_static mode=[static|shared|baremetal] build_libgcc=[yes|no]

    62 do_cc_core() {

    63     local mode

    64     local build_libgcc

    65     local core_prefix_dir

    66     local extra_config

    68     eval $1

    69     eval $2

    70     CT_TestOrAbort "Internal Error: 'mode' must either 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'" "${mode}" = "static" -o "${mode}" = "shared" -o "${mode}" = "baremetal"

    71     CT_TestOrAbort "Internal Error: 'build_libgcc' must be either 'yes' or 'no', not '${build_libgcc:-(empty)}'" "${build_libgcc}" = "yes" -o "${build_libgcc}" = "no"

    72     # In normal conditions, ( "${mode}" = "shared" ) implies

    73     # ( "${build_libgcc}" = "yes" ), but I won't check for that

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

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

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

    79     case "${mode}" in

    80         static)

    81             core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"

    82             extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"

    83             copy_headers=y

    84             ;;

    85         shared)

    86             core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"

    87             extra_config="${extra_config} --enable-shared"

    88             copy_headers=y

    89             ;;

    90         baremetal)

    91             core_prefix_dir="${CT_PREFIX_DIR}"

    92             extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"

    93             copy_headers=n

    94             ;;

    95     esac

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

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

    99         CT_DoExecLog ALL mkdir -p "${core_prefix_dir}/${CT_TARGET}/include"

   100         CT_DoExecLog ALL cp -r "${CT_HEADERS_DIR}"/* "${core_prefix_dir}/${CT_TARGET}/include"

   101     fi

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

   105     extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"

   106     extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"

   107     extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"

   108     extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"

   109     extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"

   110     extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"

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

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

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

   114     else

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

   116     fi

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

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

   121     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

   122     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

   123     CT_DoExecLog ALL                                \

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

   125         ${CT_CANADIAN_OPT}                          \

   126         --host=${CT_HOST}                           \

   127         --target=${CT_TARGET}                       \

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

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

   130         --disable-multilib                          \

   131         ${CC_CORE_SYSROOT_ARG}                      \

   132         ${extra_config}                             \

   133         --disable-nls                               \

   134         --enable-symvers=gnu                        \

   135         --enable-languages=c                        \

   136         --enable-target-optspace                    \

   137         ${CT_CC_CORE_EXTRA_CONFIG}

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

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

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

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

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

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

   145         # cross toolchain during the final gcc build.

   146         #

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

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

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

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

   151         #

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

   153         # so we configure then build it.

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

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

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

   157             CT_DoExecLog ALL make configure-libiberty

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

   159             CT_DoExecLog ALL make configure-gcc configure-libcpp

   160             CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp

   161         else

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

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

   164         fi

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

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

   167             CT_DoExecLog ALL make configure-libdecnumber

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

   169         fi

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

   172         # and libgcc.mvars is used instead.

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

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

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

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

   179             libgcc_rule="libgcc.mvars"

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

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

   182         else

   183             libgcc_rule="libgcc.mk"

   184             build_rules="all-gcc"

   185             install_rules="install-gcc"

   186         fi

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

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

   190     else # build_libgcc

   191             build_rules="all-gcc"

   192             install_rules="install-gcc"

   193     fi   # ! build libgcc

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

   196         CT_DoLog EXTRA "Building libiberty"

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

   198     fi

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

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

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

   204     CT_DoExecLog ALL make ${install_rules}

   206     CT_EndStep

   207 }

   209 #------------------------------------------------------------------------------

   210 # Build final gcc

   211 do_cc() {

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

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

   215     CT_DoStep INFO "Installing final compiler"

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

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

   220     CT_DoLog EXTRA "Configuring final compiler"

   222     # Enable selected languages

   223     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

   238     extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"

   239     extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"

   240     extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"

   241     extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"

   242     extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"

   243     extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"

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

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

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

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

   248     [ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ]        && extra_config="${extra_config} --enable-sjlj-exceptions"

   249     [ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ]   && extra_config="${extra_config} --disable-sjlj-exceptions"

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

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

   252     else

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

   254     fi

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

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

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

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

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

   262     CC_FOR_BUILD="${CT_CC_NATIVE}"              \

   263     CFLAGS="${CT_CFLAGS_FOR_HOST}"              \

   264     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"     \

   265     CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}"   \

   266     LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}"   \

   267     CT_DoExecLog ALL                            \

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

   269         ${CT_CANADIAN_OPT}                      \

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

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

   272         ${CC_SYSROOT_ARG}                       \

   273         ${extra_config}                         \

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

   275         --disable-nls                           \

   276         --enable-threads=posix                  \

   277         --enable-symvers=gnu                    \

   278         --enable-c99                            \

   279         --enable-long-long                      \

   280         --enable-target-optspace                \

   281         ${CT_CC_EXTRA_CONFIG}

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

   284         CT_DoLog EXTRA "Building libiberty"

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

   286     fi

   288     CT_DoLog EXTRA "Building final compiler"

   289     CT_DoExecLog ALL make ${PARALLELMFLAGS} all

   291     CT_DoLog EXTRA "Installing final compiler"

   292     CT_DoExecLog ALL make install

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

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

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

   298     CT_EndStep

   299 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Sep 14 16:21:07 2008 +0000 (2008-09-14)
changeset 850	ef8549b58b6f
child 887	0a8cc9d782de
permissions	-rw-r--r--