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

    20 }

    22 # Extract gcc

    23 do_cc_extract() {

    24     CT_ExtractAndPatch "${CT_CC_FILE}"

    25 }

    27 #------------------------------------------------------------------------------

    28 # Core gcc pass 1

    29 do_cc_core_pass_1() {

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

    31     # in any other case, do nothing.

    32     case "${CT_THREADS}" in

    33         nptl)   do_cc_core_static;;

    34     esac

    35 }

    37 # Core gcc pass 2

    38 do_cc_core_pass_2() {

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

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

    41     case "${CT_THREADS}" in

    42         nptl)   do_cc_core_shared;;

    43         *)      do_cc_core_static;;

    44     esac

    45 }

    47 #------------------------------------------------------------------------------

    48 # Build static core gcc

    49 do_cc_core_static() {

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

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

    53     CT_DoStep INFO "Installing static core C compiler"

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

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

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

    59     CT_DoLog EXTRA "Configuring static core C compiler"

    61     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}"

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

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

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

    65     else

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

    67     fi

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

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

    72     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

    73     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

    75         ${CT_CANADIAN_OPT}                          \

    76         --host=${CT_HOST}                           \

    77         --target=${CT_TARGET}                       \

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

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

    80         --disable-multilib                          \

    81         --with-newlib                               \

    82         ${CC_CORE_SYSROOT_ARG}                      \

    83         ${extra_config}                             \

    84         --disable-nls                               \

    85         --enable-threads=no                         \

    86         --enable-symvers=gnu                        \

    87         --enable-languages=c                        \

    88         --disable-shared                            \

    89         --enable-target-optspace                    \

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

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

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

   124     else

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

   126     fi

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

   130     CC_FOR_BUILD="${CT_CC_NATIVE}"                  \

   131     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \

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

   133         ${CT_CANADIAN_OPT}                          \

   134         --target=${CT_TARGET}                       \

   135         --host=${CT_HOST}                           \

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

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

   138         --disable-multilib                          \

   139         ${CC_CORE_SYSROOT_ARG}                      \

   140         ${extra_config}                             \

   141         --disable-nls                               \

   142         --enable-symvers=gnu                        \

   143         --enable-languages=c                        \

   144         --enable-shared                             \

   145         --enable-target-optspace                    \

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

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

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

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

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

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

   153     # cross toolchain during the final gcc build.

   154     #

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

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

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

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

   159     #

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

   161     # so we configure then build it.

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

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

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

   165         make configure-libiberty

   166         make -C libiberty libiberty.a

   167         make configure-gcc

   168         make configure-libcpp

   169         make all-libcpp

   170     else

   171         make configure-gcc

   172         make configure-libcpp

   173         make configure-build-libiberty

   174         make all-libcpp

   175         make all-build-libiberty

   176     fi 2>&1 |CT_DoLog ALL

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

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

   179         make configure-libdecnumber

   180         make -C libdecnumber libdecnumber.a

   181     fi 2>&1 |CT_DoLog ALL

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

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

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

   186         CT_DoLog EXTRA "Building libiberty"

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

   188     fi

   190     CT_DoLog EXTRA "Building shared core C compiler"

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

   193     CT_DoLog EXTRA "Installing shared core C compiler"

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

   196     CT_EndStep

   197 }

   199 #------------------------------------------------------------------------------

   200 # Build final gcc

   201 do_cc() {

   202     CT_DoStep INFO "Installing final compiler"

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

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

   207     CT_DoLog EXTRA "Configuring final compiler"

   209     # Enable selected languages

   210     lang_opt="c"

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

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

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

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

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

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

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

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

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

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

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

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

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

   225     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}"

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

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

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

   229     else

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

   231     fi

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

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

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

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

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

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

   240     CC_FOR_BUILD="${CT_CC_NATIVE}"              \

   241     CFLAGS="${CT_CFLAGS_FOR_HOST}"              \

   242     TARGET_CFLAGS="${CT_TARGET_CFLAGS}"         \

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

   244         ${CT_CANADIAN_OPT}                      \

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

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

   247         ${CC_SYSROOT_ARG}                       \

   248         ${extra_config}                         \

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

   250         --disable-nls                           \

   251         --enable-threads=posix                  \

   252         --enable-symvers=gnu                    \

   253         --enable-c99                            \

   254         --enable-long-long                      \

   255         --enable-target-optspace                \

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

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

   259         CT_DoLog EXTRA "Building libiberty"

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

   261     fi

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

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

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

   266     # kludge.

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

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

   269     case "${CT_CC_FILE}" in

   270       gcc-3.3.[34])

   271         case "${CT_TARGET}" in

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

   273             for d in $(find "${CT_SYSROOT_DIR}" -name lib -type d -empty); do

   274               if [ -d $(dirname "${d}")/lib64 ] ; then

   275                 rm -rf "${d}"

   276                 ln -s $(dirname "${d}")/lib64 "${d}"

   277               fi

   278             done ;;

   279           *) ;;

   280         esac ;;

   281     esac

   283     CT_DoLog EXTRA "Building final compiler"

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

   286     CT_DoLog EXTRA "Installing final compiler"

   287     make install 2>&1 |CT_DoLog ALL

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

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

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

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

   294     # to install that into sysroot/usr/lib

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

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

   298     CT_EndStep

   299 }

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sat May 24 22:49:54 2008 +0000 (2008-05-24)
changeset 532	0faef1ae3f09
parent 528	38e382b3829e
child 533	81a582c81c13
permissions	-rw-r--r--