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     case "${CT_THREADS}" in

    35         nptl)   do_cc_core_static;;

    36         *)      ;;

    37     esac

    38 }

    40 # Core gcc pass 2

    41 do_cc_core_pass_2() {

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

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

    44     case "${CT_THREADS}" in

    45         nptl)   do_cc_core_shared;;

    46         *)      do_cc_core_static;;

    47     esac

    48 }

    50 #------------------------------------------------------------------------------

    51 # Build static core gcc

    52 do_cc_core_static() {

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

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

    56     CT_DoStep INFO "Installing static core C compiler"

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

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

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

    62     CT_DoLog EXTRA "Configuring static core C compiler"

    64     extra_config=""

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

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

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

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

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

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

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

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

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

    76     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

    78         ${CT_CANADIAN_OPT}                          \

    79         --host=${CT_HOST}                           \

    80         --target=${CT_TARGET}                       \

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

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

    83         --disable-multilib                          \

    84         --with-newlib                               \

    85         ${CC_CORE_SYSROOT_ARG}                      \

    86         ${extra_config}                             \

    87         --disable-nls                               \

    88         --enable-threads=no                         \

    89         --enable-symvers=gnu                        \

    90         --enable-languages=c                        \

    91         --disable-shared                            \

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

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

    95         CT_DoLog EXTRA "Building libiberty"

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

    97     fi

    99     CT_DoLog EXTRA "Building static core C compiler"

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

   102     CT_DoLog EXTRA "Installing static core C compiler"

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

   105     CT_EndStep

   106 }

   108 #------------------------------------------------------------------------------

   109 # Build shared core gcc

   110 do_cc_core_shared() {

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

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

   114     CT_DoStep INFO "Installing shared core C compiler"

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

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

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

   120     CT_DoLog EXTRA "Configuring shared core C compiler"

   122     extra_config=""

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

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

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

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

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

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

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

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

   133     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

   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         ${CT_CC_CORE_EXTRA_CONFIG}                  2>&1 |CT_DoLog ALL

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

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

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

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

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

   154     # cross toolchain during the final gcc build.

   155     #

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

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

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

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

   160     #

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

   162     # so we configure then build it.

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

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

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

   166         make configure-libiberty

   167         make -C libiberty libiberty.a

   168         make configure-gcc

   169         make configure-libcpp

   170         make all-libcpp

   171     else

   172         make configure-gcc

   173         make configure-libcpp

   174         make configure-build-libiberty

   175         make all-libcpp

   176         make all-build-libiberty

   177     fi 2>&1 |CT_DoLog ALL

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

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

   180         make configure-libdecnumber

   181         make -C libdecnumber libdecnumber.a

   182     fi 2>&1 |CT_DoLog ALL

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

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

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

   187         CT_DoLog EXTRA "Building libiberty"

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

   189     fi

   191     CT_DoLog EXTRA "Building shared core C compiler"

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

   194     CT_DoLog EXTRA "Installing shared core C compiler"

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

   197     CT_EndStep

   198 }

   200 #------------------------------------------------------------------------------

   201 # Build final gcc

   202 do_cc() {

   203     CT_DoStep INFO "Installing final compiler"

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

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

   208     CT_DoLog EXTRA "Configuring final compiler"

   210     # Enable selected languages

   211     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   236     else

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

   238     fi

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

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

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

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

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

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

   247     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   249         ${CT_CANADIAN_OPT}                      \

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

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

   252         ${CC_SYSROOT_ARG}                       \

   253         ${extra_config}                         \

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

   255         --disable-nls                           \

   256         --enable-threads=posix                  \

   257         --enable-symvers=gnu                    \

   258         --enable-c99                            \

   259         --enable-long-long                      \

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

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

   263         CT_DoLog EXTRA "Building libiberty"

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

   265     fi

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

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

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

   271     # kludge.

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

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

   274     case "${CT_CC_FILE}" in

   275       gcc-3.3.[34])

   276         case "${CT_TARGET}" in

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

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

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

   280                 rm -rf "${d}"

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

   282               fi

   283             done ;;

   284           *) ;;

   285         esac ;;

   286     esac

   288     CT_DoLog EXTRA "Building final compiler"

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

   291     CT_DoLog EXTRA "Installing final compiler"

   292     make install 2>&1 |CT_DoLog ALL

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

   295     # and be done with it?

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

   297     # been tested in ages.

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

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

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

   301     # so they get used by default.

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

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

   304     #case "${CT_LIBC_EXTRA_CONFIG}" in

   305     #    *--without-fp*)

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

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

   308     #        fi

   309     #    ;;

   310     #esac

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

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

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

   316     CT_EndStep

   317 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Wed Aug 15 10:14:43 2007 +0000 (2007-08-15)
changeset 331	0c05f9ea3254
parent 235	faadf2d49d5d
child 354	cf673077c0c1
permissions	-rw-r--r--