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://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 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     esac

    37 }

    39 # Core gcc pass 2

    40 do_cc_core_pass_2() {

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

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

    43     case "${CT_THREADS}" in

    44         nptl)   do_cc_core_shared;;

    45         *)      do_cc_core_static;;

    46     esac

    47 }

    49 #------------------------------------------------------------------------------

    50 # Build static core gcc

    51 do_cc_core_static() {

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

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

    55     CT_DoStep INFO "Installing static core C compiler"

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

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

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

    61     CT_DoLog EXTRA "Configuring static core C compiler"

    63     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}"

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

    65     [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"

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

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

    70     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

    72         ${CT_CANADIAN_OPT}                          \

    73         --host=${CT_HOST}                           \

    74         --target=${CT_TARGET}                       \

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

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

    77         --disable-multilib                          \

    78         --with-newlib                               \

    79         ${CC_CORE_SYSROOT_ARG}                      \

    80         ${extra_config}                             \

    81         --disable-nls                               \

    82         --enable-threads=no                         \

    83         --enable-symvers=gnu                        \

    84         --enable-languages=c                        \

    85         --disable-shared                            \

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

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

    89         CT_DoLog EXTRA "Building libiberty"

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

    91     fi

    93     CT_DoLog EXTRA "Building static core C compiler"

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

    96     CT_DoLog EXTRA "Installing static core C compiler"

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

    99     CT_EndStep

   100 }

   102 #------------------------------------------------------------------------------

   103 # Build shared core gcc

   104 do_cc_core_shared() {

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

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

   108     CT_DoStep INFO "Installing shared core C compiler"

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

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

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

   114     CT_DoLog EXTRA "Configuring shared core C compiler"

   116     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}"

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

   118     [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"

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

   122     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   124         ${CT_CANADIAN_OPT}                          \

   125         --target=${CT_TARGET}                       \

   126         --host=${CT_HOST}                           \

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

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

   129         --disable-multilib                          \

   130         ${CC_CORE_SYSROOT_ARG}                      \

   131         ${extra_config}                             \

   132         --disable-nls                               \

   133         --enable-symvers=gnu                        \

   134         --enable-languages=c                        \

   135         --enable-shared                             \

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

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

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

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

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

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

   143     # cross toolchain during the final gcc build.

   144     #

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

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

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

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

   149     #

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

   151     # so we configure then build it.

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

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

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

   155         make configure-libiberty

   156         make -C libiberty libiberty.a

   157         make configure-gcc

   158         make configure-libcpp

   159         make all-libcpp

   160     else

   161         make configure-gcc

   162         make configure-libcpp

   163         make configure-build-libiberty

   164         make all-libcpp

   165         make all-build-libiberty

   166     fi 2>&1 |CT_DoLog ALL

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

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

   169         make configure-libdecnumber

   170         make -C libdecnumber libdecnumber.a

   171     fi 2>&1 |CT_DoLog ALL

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

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

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

   176         CT_DoLog EXTRA "Building libiberty"

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

   178     fi

   180     CT_DoLog EXTRA "Building shared core C compiler"

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

   183     CT_DoLog EXTRA "Installing shared core C compiler"

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

   186     CT_EndStep

   187 }

   189 #------------------------------------------------------------------------------

   190 # Build final gcc

   191 do_cc() {

   192     CT_DoStep INFO "Installing final compiler"

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

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

   197     CT_DoLog EXTRA "Configuring final compiler"

   199     # Enable selected languages

   200     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

   214     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}"

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

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

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

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

   219     else

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

   221     fi

   222     [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"

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

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

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

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

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

   230     CFLAGS="${CT_CFLAGS_FOR_HOST}"              \

   231     TARGET_CFLAGS="${CT_TARGET_CFLAGS}"         \

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

   233         ${CT_CANADIAN_OPT}                      \

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

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

   236         ${CC_SYSROOT_ARG}                       \

   237         ${extra_config}                         \

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

   239         --disable-nls                           \

   240         --enable-threads=posix                  \

   241         --enable-symvers=gnu                    \

   242         --enable-c99                            \

   243         --enable-long-long                      \

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

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

   247         CT_DoLog EXTRA "Building libiberty"

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

   249     fi

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

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

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

   254     # kludge.

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

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

   257     case "${CT_CC_FILE}" in

   258       gcc-3.3.[34])

   259         case "${CT_TARGET}" in

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

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

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

   263                 rm -rf "${d}"

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

   265               fi

   266             done ;;

   267           *) ;;

   268         esac ;;

   269     esac

   271     CT_DoLog EXTRA "Building final compiler"

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

   274     CT_DoLog EXTRA "Installing final compiler"

   275     make install 2>&1 |CT_DoLog ALL

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

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

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

   281     # gcc installs stuff in prefix/target/lib, when it would make better sense

   282     # to install that into sysroot/usr/lib

   283     CT_DoLog EXTRA "Moving improperly installed gcc libs to sysroot"

   284     ( cd "${CT_PREFIX_DIR}/${CT_TARGET}/lib"; tar cf - . ) | ( cd "${CT_SYSROOT_DIR}/usr/lib"; tar xfv - )

   286     CT_EndStep

   287 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Wed Apr 30 10:43:41 2008 +0000 (2008-04-30)
changeset 466	7f9bbf94b0bb
parent 462	b959799c9a36
child 486	92f6149c4275
permissions	-rw-r--r--