scripts/build/cc_gcc.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Jul 28 21:34:41 2007 +0000 (2007-07-28)
changeset 301 2be7232a73ac
parent 231 d5f64f25163a
child 331 0c05f9ea3254
permissions -rw-r--r--
Bump version to 0.2.2.
     1 # This file adds the function to build the final gcc C compiler
     2 # Copyright 2007 Yann E. MORIN
     3 # Licensed under the GPL v2. See COPYING in the root of this package
     4 
     5 do_print_filename() {
     6     [ "${CT_CC}" = "gcc" ] || return 0
     7     echo "gcc-${CT_CC_VERSION}"
     8 }
     9 
    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/${CT_CC_FILE} \
    21                ftp://ftp.gnu.org/gnu/gcc
    22 }
    23 
    24 # Extract final gcc
    25 do_cc_extract() {
    26     CT_ExtractAndPatch "${CT_CC_FILE}"
    27 }
    28 
    29 # Build final gcc
    30 do_cc() {
    31     CT_DoStep INFO "Installing final compiler"
    32 
    33     mkdir -p "${CT_BUILD_DIR}/build-cc"
    34     cd "${CT_BUILD_DIR}/build-cc"
    35 
    36     CT_DoLog EXTRA "Configuring final compiler"
    37 
    38     # Enable selected languages
    39     lang_opt="c"
    40     [ "${CT_CC_LANG_CXX}" = "y"      ] && lang_opt="${lang_opt},c++"
    41     [ "${CT_CC_LANG_FORTRAN}" = "y"  ] && lang_opt="${lang_opt},fortran"
    42     [ "${CT_CC_LANG_ADA}" = "y"      ] && lang_opt="${lang_opt},ada"
    43     [ "${CT_CC_LANG_JAVA}" = "y"     ] && lang_opt="${lang_opt},java"
    44     [ "${CT_CC_LANG_OBJC}" = "y"     ] && lang_opt="${lang_opt},objc"
    45     [ "${CT_CC_LANG_OBJCXX}" = "y"   ] && lang_opt="${lang_opt},obj-c++"
    46     CT_Test "Building Fortran language is not yet supported. Will try..." "${CT_CC_LANG_FORTRAN}" = "y"
    47     CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
    48     CT_Test "Building Java language is not yet supported. Will try..." "${CT_CC_LANG_JAVA}" = "y"
    49     CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
    50     CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
    51     CT_Test "Building ${CT_CC_LANG_OTHERS} language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
    52     lang_opt=`echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;'`
    53 
    54     extra_config="--enable-languages=${lang_opt}"
    55     [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft"
    56     [ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared"
    57     [ -n "${CT_ARCH_ABI}" ]  && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}"
    58     [ -n "${CT_ARCH_CPU}" ]  && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}"
    59     [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}"
    60     [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}"
    61     [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}"
    62     if [ "${CT_TARGET_MULTILIB}" = "y" ]; then
    63        extra_config="${extra_config} --enable-multilib"
    64     else
    65        extra_config="${extra_config} --disable-multilib"
    66     fi
    67     [ "${CT_CC_CXA_ATEXIT}" == "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"
    68 
    69     CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""
    70 
    71     # --enable-symvers=gnu really only needed for sh4 to work around a
    72     # detection problem only matters for gcc-3.2.x and later, I think.
    73     # --disable-nls to work around crash bug on ppc405, but also because
    74     # embedded systems don't really need message catalogs...
    75     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \
    76     "${CT_SRC_DIR}/${CT_CC_FILE}/configure"     \
    77         ${CT_CANADIAN_OPT}                      \
    78         --target=${CT_TARGET} --host=${CT_HOST} \
    79         --prefix="${CT_PREFIX_DIR}"             \
    80         ${CC_SYSROOT_ARG}                       \
    81         ${extra_config}                         \
    82         --with-local-prefix="${CT_SYSROOT_DIR}" \
    83         --disable-nls                           \
    84         --enable-threads=posix                  \
    85         --enable-symvers=gnu                    \
    86         --enable-c99                            \
    87         --enable-long-long                      \
    88         ${CT_CC_EXTRA_CONFIG}                   2>&1 |CT_DoLog ALL
    89 
    90     if [ "${CT_CANADIAN}" = "y" ]; then
    91         CT_DoLog EXTRA "Building libiberty"
    92         make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL
    93     fi
    94 
    95 
    96     # Idea from <cort.dougan at gmail.com>:
    97     # Fix lib/lib64 confusion for GCC 3.3.3 on PowerPC64 and x86_64.
    98     # GCC 3.4.0 and up don't suffer from this confusion, and don't need this
    99     # kludge.
   100     # FIXME: we should patch gcc's source rather than uglify crosstool.sh.
   101     # FIXME: is this needed for gcc-3.3.[56]?
   102     case "${CT_CC_FILE}" in
   103       gcc-3.3.[34])
   104         case "${CT_TARGET}" in
   105           powerpc64-unknown-linux-gnu|x86_64-unknown-linux-gnu)
   106             for d in `find "${CT_SYSROOT_DIR}" -name lib -type d -empty`; do
   107               if [ -d `dirname "${d}"`/lib64 ] ; then
   108                 rm -rf "${d}"
   109                 ln -s `dirname "${d}"`/lib64 "${d}"
   110               fi
   111             done ;;
   112           *) ;;
   113         esac ;;
   114     esac
   115 
   116     CT_DoLog EXTRA "Building final compiler"
   117     make ${PARALLELMFLAGS} all 2>&1 |CT_DoLog ALL
   118 
   119     CT_DoLog EXTRA "Installing final compiler"
   120     make install 2>&1 |CT_DoLog ALL
   121 
   122     # FIXME: shouldn't people who want this just --disable-multilib in final gcc
   123     # and be done with it?
   124     # This code should probably be deleted, it was written long ago and hasn't
   125     # been tested in ages.
   126     # kludge: If the chip does not have a floating point unit
   127     # (i.e. if GLIBC_EXTRA_CONFIG contains --without-fp),
   128     # and there are shared libraries in /lib/nof, copy them to /lib
   129     # so they get used by default.
   130     # FIXME: only rs6000/powerpc seem to use nof.  See MULTILIB_DIRNAMES
   131     # in $GCC_DIR/gcc/config/$TARGET/* to see what your arch calls it.
   132     #case "${CT_LIBC_EXTRA_CONFIG}" in
   133     #    *--without-fp*)
   134     #        if test -d "${CT_SYSROOT_DIR}/lib/nof"; then
   135     #            cp -af "${CT_SYSROOT_DIR}/lib/nof/"*.so* "${CT_SYSROOT_DIR}/lib" || true
   136     #        fi
   137     #    ;;
   138     #esac
   139 
   140     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
   141     # to call the C compiler with the same, somewhat canonical name.
   142     ln "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-{g,}cc
   143 
   144     CT_EndStep
   145 }