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

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

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

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

    74     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

    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         ${CT_CC_CORE_EXTRA_CONFIG}                  2>&1 |CT_DoLog ALL

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

    93         CT_DoLog EXTRA "Building libiberty"

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

    95     fi

    97     CT_DoLog EXTRA "Building static core C compiler"

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

   100     CT_DoLog EXTRA "Installing static core C compiler"

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

   103     CT_EndStep

   104 }

   106 #------------------------------------------------------------------------------

   107 # Build shared core gcc

   108 do_cc_core_shared() {

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

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

   112     CT_DoStep INFO "Installing shared core C compiler"

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

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

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

   118     CT_DoLog EXTRA "Configuring shared core C compiler"

   120     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}"

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

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

   125     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   127         ${CT_CANADIAN_OPT}                          \

   128         --target=${CT_TARGET}                       \

   129         --host=${CT_HOST}                           \

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

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

   132         --disable-multilib                          \

   133         ${CC_CORE_SYSROOT_ARG}                      \

   134         ${extra_config}                             \

   135         --disable-nls                               \

   136         --enable-symvers=gnu                        \

   137         --enable-languages=c                        \

   138         --enable-shared                             \

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

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

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

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

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

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

   146     # cross toolchain during the final gcc build.

   147     #

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

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

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

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

   152     #

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

   154     # so we configure then build it.

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

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

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

   158         make configure-libiberty

   159         make -C libiberty libiberty.a

   160         make configure-gcc

   161         make configure-libcpp

   162         make all-libcpp

   163     else

   164         make configure-gcc

   165         make configure-libcpp

   166         make configure-build-libiberty

   167         make all-libcpp

   168         make all-build-libiberty

   169     fi 2>&1 |CT_DoLog ALL

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

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

   172         make configure-libdecnumber

   173         make -C libdecnumber libdecnumber.a

   174     fi 2>&1 |CT_DoLog ALL

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

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

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

   179         CT_DoLog EXTRA "Building libiberty"

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

   181     fi

   183     CT_DoLog EXTRA "Building shared core C compiler"

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

   186     CT_DoLog EXTRA "Installing shared core C compiler"

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

   189     CT_EndStep

   190 }

   192 #------------------------------------------------------------------------------

   193 # Build final gcc

   194 do_cc() {

   195     CT_DoStep INFO "Installing final compiler"

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

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

   200     CT_DoLog EXTRA "Configuring final compiler"

   202     # Enable selected languages

   203     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   219     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}"

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

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

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

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

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

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

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

   229     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   231         ${CT_CANADIAN_OPT}                      \

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

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

   234         ${CC_SYSROOT_ARG}                       \

   235         ${extra_config}                         \

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

   237         --disable-nls                           \

   238         --enable-threads=posix                  \

   239         --enable-symvers=gnu                    \

   240         --enable-c99                            \

   241         --enable-long-long                      \

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

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

   245         CT_DoLog EXTRA "Building libiberty"

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

   247     fi

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

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

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

   252     # kludge.

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

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

   255     case "${CT_CC_FILE}" in

   256       gcc-3.3.[34])

   257         case "${CT_TARGET}" in

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

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

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

   261                 rm -rf "${d}"

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

   263               fi

   264             done ;;

   265           *) ;;

   266         esac ;;

   267     esac

   269     CT_DoLog EXTRA "Building final compiler"

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

   272     CT_DoLog EXTRA "Installing final compiler"

   273     make install 2>&1 |CT_DoLog ALL

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

   276     # and be done with it?

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

   278     # been tested in ages.

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

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

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

   282     # so they get used by default.

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

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

   285     #case "${CT_LIBC_EXTRA_CONFIG}" in

   286     #    *--without-fp*)

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

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

   289     #        fi

   290     #    ;;

   291     #esac

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

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

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

   297     CT_EndStep

   298 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sat Sep 15 21:44:18 2007 +0000 (2007-09-15)
changeset 391	11172b754564
parent 354	cf673077c0c1
child 392	ee71450c5a6f
permissions	-rw-r--r--