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 final 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://ftp.gnu.org/gnu/gcc/${CT_CC_FILE}          \

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

    21                ftp://ftp.gnu.org/gnu/gcc

    22 }

    24 # Extract final gcc

    25 do_cc_extract() {

    26     CT_ExtractAndPatch "${CT_CC_FILE}"

    27 }

    29 #------------------------------------------------------------------------------

    30 # Core gcc pass 1

    31 do_cc_core_pass_1() {

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

    33     # in any other case, do nothing.

    34     CT_DoStep INFO "Core C compiler, pass 1"

    35     case "${CT_THREADS}" in

    36         nptl)   do_cc_core_static;;

    37         *)      CT_DoLog INFO "Nothing to do";;

    38     esac

    39     CT_EndStep

    40 }

    42 # Core gcc pass 2

    43 do_cc_core_pass_2() {

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

    45     # in any other case, build the static core gcc.

    46     CT_DoStep INFO "Core C compiler, pass 2"

    47     case "${CT_THREADS}" in

    48         nptl)   do_cc_core_shared;;

    49         *)      do_cc_core_static;;

    50     esac

    51     CT_EndStep

    52 }

    54 #------------------------------------------------------------------------------

    55 # Build static core gcc

    56 do_cc_core_static() {

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

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

    60     CT_DoStep INFO "Installing static core C compiler"

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

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

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

    66     CT_DoLog EXTRA "Configuring static core C compiler"

    68     extra_config=""

    69     [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft"

    70     [ -n "${CT_ARCH_ABI}" ]  && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}"

    71     [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}"

    72     [ -n "${CT_ARCH_CPU}" ]  && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}"

    73     [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}"

    74     [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}"

    75     [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"

    77     CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""

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

    80     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

    82         ${CT_CANADIAN_OPT}                          \

    83         --host=${CT_HOST}                           \

    84         --target=${CT_TARGET}                       \

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

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

    87         --disable-multilib                          \

    88         --with-newlib                               \

    89         ${CC_CORE_SYSROOT_ARG}                      \

    90         ${extra_config}                             \

    91         --disable-nls                               \

    92         --enable-threads=no                         \

    93         --enable-symvers=gnu                        \

    94         --enable-languages=c                        \

    95         --disable-shared                            \

    96         ${CT_CC_CORE_EXTRA_CONFIG}                  2>&1 |CT_DoLog ALL

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

    99         CT_DoLog EXTRA "Building libiberty"

   100         make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL

   101     fi

   103     CT_DoLog EXTRA "Building static core C compiler"

   104     make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL

   106     CT_DoLog EXTRA "Installing static core C compiler"

   107     make install-gcc 2>&1 |CT_DoLog ALL

   109     CT_EndStep

   110 }

   112 #------------------------------------------------------------------------------

   113 # Build shared core gcc

   114 do_cc_core_shared() {

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

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

   118     CT_DoStep INFO "Installing shared core C compiler"

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

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

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

   124     CT_DoLog EXTRA "Configuring shared core C compiler"

   126     extra_config=""

   127     [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft"

   128     [ -n "${CT_ARCH_ABI}" ]  && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}"

   129     [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}"

   130     [ -n "${CT_ARCH_CPU}" ]  && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}"

   131     [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}"

   132     [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}"

   133     [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"

   135     CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""

   137     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   139         ${CT_CANADIAN_OPT}                          \

   140         --target=${CT_TARGET}                       \

   141         --host=${CT_HOST}                           \

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

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

   144         --disable-multilib                          \

   145         ${CC_CORE_SYSROOT_ARG}                      \

   146         ${extra_config}                             \

   147         --disable-nls                               \

   148         --enable-symvers=gnu                        \

   149         --enable-languages=c                        \

   150         --enable-shared                             \

   151         ${CT_CC_CORE_EXTRA_CONFIG}                  2>&1 |CT_DoLog ALL

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

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

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

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

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

   158     # cross toolchain during the final gcc build.

   159     #

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

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

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

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

   164     #

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

   166     # so we configure then build it.

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

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

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

   170         make configure-libiberty

   171         make -C libiberty libiberty.a

   172         make configure-gcc

   173         make configure-libcpp

   174         make all-libcpp

   175     else

   176         make configure-gcc

   177         make configure-libcpp

   178         make configure-build-libiberty

   179         make all-libcpp

   180         make all-build-libiberty

   181     fi 2>&1 |CT_DoLog ALL

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

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

   184         make configure-libdecnumber

   185         make -C libdecnumber libdecnumber.a

   186     fi 2>&1 |CT_DoLog ALL

   187     make -C gcc libgcc.mk 2>&1 |CT_DoLog ALL

   188     sed -r -i -e 's@-lc@@g' gcc/libgcc.mk

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

   191         CT_DoLog EXTRA "Building libiberty"

   192         make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL

   193     fi

   195     CT_DoLog EXTRA "Building shared core C compiler"

   196     make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL

   198     CT_DoLog EXTRA "Installing shared core C compiler"

   199     make install-gcc 2>&1 |CT_DoLog ALL

   201     CT_EndStep

   202 }

   204 #------------------------------------------------------------------------------

   205 # Build final gcc

   206 do_cc() {

   207     CT_DoStep INFO "Installing final compiler"

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

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

   212     CT_DoLog EXTRA "Configuring final compiler"

   214     # Enable selected languages

   215     lang_opt="c"

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

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

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

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

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

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

   222     CT_Test "Building Fortran language is not yet supported. Will try..." "${CT_CC_LANG_FORTRAN}" = "y"

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

   224     CT_Test "Building Java language is not yet supported. Will try..." "${CT_CC_LANG_JAVA}" = "y"

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

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

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

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

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

   231     [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft"

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

   233     [ -n "${CT_ARCH_ABI}" ]  && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}"

   234     [ -n "${CT_ARCH_CPU}" ]  && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}"

   235     [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}"

   236     [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}"

   237     [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}"

   238     if [ "${CT_TARGET_MULTILIB}" = "y" ]; then

   239        extra_config="${extra_config} --enable-multilib"

   240     else

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

   242     fi

   243     [ "${CT_CC_CXA_ATEXIT}" == "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"

   245     CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""

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

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

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

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

   251     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   253         ${CT_CANADIAN_OPT}                      \

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

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

   256         ${CC_SYSROOT_ARG}                       \

   257         ${extra_config}                         \

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

   259         --disable-nls                           \

   260         --enable-threads=posix                  \

   261         --enable-symvers=gnu                    \

   262         --enable-c99                            \

   263         --enable-long-long                      \

   264         ${CT_CC_EXTRA_CONFIG}                   2>&1 |CT_DoLog ALL

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

   267         CT_DoLog EXTRA "Building libiberty"

   268         make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL

   269     fi

   272     # Idea from <cort.dougan at gmail.com>:

   273     # Fix lib/lib64 confusion for GCC 3.3.3 on PowerPC64 and x86_64.

   274     # GCC 3.4.0 and up don't suffer from this confusion, and don't need this

   275     # kludge.

   276     # FIXME: we should patch gcc's source rather than uglify crosstool.sh.

   277     # FIXME: is this needed for gcc-3.3.[56]?

   278     case "${CT_CC_FILE}" in

   279       gcc-3.3.[34])

   280         case "${CT_TARGET}" in

   281           powerpc64-unknown-linux-gnu|x86_64-unknown-linux-gnu)

   282             for d in `find "${CT_SYSROOT_DIR}" -name lib -type d -empty`; do

   283               if [ -d `dirname "${d}"`/lib64 ] ; then

   284                 rm -rf "${d}"

   285                 ln -s `dirname "${d}"`/lib64 "${d}"

   286               fi

   287             done ;;

   288           *) ;;

   289         esac ;;

   290     esac

   292     CT_DoLog EXTRA "Building final compiler"

   293     make ${PARALLELMFLAGS} all 2>&1 |CT_DoLog ALL

   295     CT_DoLog EXTRA "Installing final compiler"

   296     make install 2>&1 |CT_DoLog ALL

   298     # FIXME: shouldn't people who want this just --disable-multilib in final gcc

   299     # and be done with it?

   300     # This code should probably be deleted, it was written long ago and hasn't

   301     # been tested in ages.

   302     # kludge: If the chip does not have a floating point unit

   303     # (i.e. if GLIBC_EXTRA_CONFIG contains --without-fp),

   304     # and there are shared libraries in /lib/nof, copy them to /lib

   305     # so they get used by default.

   306     # FIXME: only rs6000/powerpc seem to use nof.  See MULTILIB_DIRNAMES

   307     # in $GCC_DIR/gcc/config/$TARGET/* to see what your arch calls it.

   308     #case "${CT_LIBC_EXTRA_CONFIG}" in

   309     #    *--without-fp*)

   310     #        if test -d "${CT_SYSROOT_DIR}/lib/nof"; then

   311     #            cp -af "${CT_SYSROOT_DIR}/lib/nof/"*.so* "${CT_SYSROOT_DIR}/lib" || true

   312     #        fi

   313     #    ;;

   314     #esac

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

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

   318     ln "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-{g,}cc

   320     CT_EndStep

   321 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Sep 02 09:26:57 2007 +0000 (2007-09-02)
changeset 354	cf673077c0c1
parent 331	0c05f9ea3254
child 391	11172b754564
permissions	-rw-r--r--