yann@1: # This file adds the function to build the final gcc C compiler
yann@1: # Copyright 2007 Yann E. MORIN
yann@1: # Licensed under the GPL v2. See COPYING in the root of this package
yann@1: 
yann@161: do_print_filename() {
yann@161:     [ "${CT_CC}" = "gcc" ] || return 0
yann@164:     echo "gcc-${CT_CC_VERSION}"
yann@161: }
yann@161: 
yann@63: # Download final gcc
yann@63: do_cc_get() {
yann@63:     # Ah! gcc folks are kind of 'different': they store the tarballs in
yann@63:     # subdirectories of the same name! That's because gcc is such /crap/ that
yann@63:     # it is such /big/ that it needs being splitted for distribution! Sad. :-(
yann@63:     # Arrgghh! Some of those versions does not follow this convention:
yann@63:     # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
yann@63:     # subdirectory! You bastard!
yann@63:     CT_GetFile "${CT_CC_FILE}"                                  \
yann@63:                ftp://ftp.gnu.org/gnu/gcc/${CT_CC_FILE}          \
yann@63:                ftp://ftp.gnu.org/gnu/gcc/releases/${CT_CC_FILE} \
yann@63:                ftp://ftp.gnu.org/gnu/gcc
yann@63: }
yann@63: 
yann@63: # Extract final gcc
yann@63: do_cc_extract() {
yann@63:     CT_ExtractAndPatch "${CT_CC_FILE}"
yann@63: }
yann@63: 
yann@63: # Build final gcc
yann@1: do_cc() {
yann@48:     CT_DoStep INFO "Installing final compiler"
yann@1: 
yann@1:     mkdir -p "${CT_BUILD_DIR}/build-cc"
yann@1:     cd "${CT_BUILD_DIR}/build-cc"
yann@1: 
yann@50:     CT_DoLog EXTRA "Configuring final compiler"
yann@1: 
yann@1:     # Enable selected languages
yann@1:     lang_opt="c"
yann@1:     [ "${CT_CC_LANG_CXX}" = "y"      ] && lang_opt="${lang_opt},c++"
yann@1:     [ "${CT_CC_LANG_FORTRAN}" = "y"  ] && lang_opt="${lang_opt},fortran"
yann@1:     [ "${CT_CC_LANG_ADA}" = "y"      ] && lang_opt="${lang_opt},ada"
yann@1:     [ "${CT_CC_LANG_JAVA}" = "y"     ] && lang_opt="${lang_opt},java"
yann@1:     [ "${CT_CC_LANG_OBJC}" = "y"     ] && lang_opt="${lang_opt},objc"
yann@1:     [ "${CT_CC_LANG_OBJCXX}" = "y"   ] && lang_opt="${lang_opt},obj-c++"
yann@1:     CT_Test "Building Fortran language is not yet supported. Will try..." "${CT_CC_LANG_FORTRAN}" = "y"
yann@1:     CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
yann@1:     CT_Test "Building Java language is not yet supported. Will try..." "${CT_CC_LANG_JAVA}" = "y"
yann@1:     CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
yann@1:     CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
yann@1:     CT_Test "Building ${CT_CC_LANG_OTHERS} language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
yann@48:     lang_opt=`echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;'`
yann@1: 
yann@1:     extra_config="--enable-languages=${lang_opt}"
yann@1:     [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft"
yann@1:     [ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared"
yann@45:     [ -n "${CT_ARCH_ABI}" ]  && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}"
yann@1:     [ -n "${CT_ARCH_CPU}" ]  && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}"
yann@1:     [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}"
yann@1:     [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}"
yann@1:     [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}"
yann@1:     if [ "${CT_TARGET_MULTILIB}" = "y" ]; then
yann@1:        extra_config="${extra_config} --enable-multilib"
yann@1:     else
yann@1:        extra_config="${extra_config} --disable-multilib"
yann@1:     fi
yann@20:     [ "${CT_CC_CXA_ATEXIT}" == "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"
yann@1: 
yann@1:     CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""
yann@1: 
yann@1:     # --enable-symvers=gnu really only needed for sh4 to work around a
yann@1:     # detection problem only matters for gcc-3.2.x and later, I think.
yann@1:     # --disable-nls to work around crash bug on ppc405, but also because
yann@1:     # embedded systems don't really need message catalogs...
yann@1:     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \
yann@1:     "${CT_SRC_DIR}/${CT_CC_FILE}/configure"     \
yann@1:         ${CT_CANADIAN_OPT}                      \
yann@1:         --target=${CT_TARGET} --host=${CT_HOST} \
yann@1:         --prefix="${CT_PREFIX_DIR}"             \
yann@1:         ${CC_SYSROOT_ARG}                       \
yann@1:         ${extra_config}                         \
yann@1:         --with-local-prefix="${CT_SYSROOT_DIR}" \
yann@1:         --disable-nls                           \
yann@1:         --enable-threads=posix                  \
yann@1:         --enable-symvers=gnu                    \
yann@1:         --enable-c99                            \
yann@1:         --enable-long-long                      \
yann@78:         ${CT_CC_EXTRA_CONFIG}                   2>&1 |CT_DoLog ALL
yann@1: 
yann@131:     if [ "${CT_CANADIAN}" = "y" ]; then
yann@1:         CT_DoLog EXTRA "Building libiberty"
yann@78:         make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL
yann@1:     fi
yann@1: 
yann@1: 
yann@1:     # Idea from <cort.dougan at gmail.com>:
yann@1:     # Fix lib/lib64 confusion for GCC 3.3.3 on PowerPC64 and x86_64.
yann@1:     # GCC 3.4.0 and up don't suffer from this confusion, and don't need this
yann@1:     # kludge.
yann@1:     # FIXME: we should patch gcc's source rather than uglify crosstool.sh.
yann@1:     # FIXME: is this needed for gcc-3.3.[56]?
yann@1:     case "${CT_CC_FILE}" in
yann@1:       gcc-3.3.[34])
yann@1:         case "${CT_TARGET}" in
yann@1:           powerpc64-unknown-linux-gnu|x86_64-unknown-linux-gnu)
yann@1:             for d in `find "${CT_SYSROOT_DIR}" -name lib -type d -empty`; do
yann@1:               if [ -d `dirname "${d}"`/lib64 ] ; then
yann@1:                 rm -rf "${d}"
yann@1:                 ln -s `dirname "${d}"`/lib64 "${d}"
yann@1:               fi
yann@1:             done ;;
yann@1:           *) ;;
yann@1:         esac ;;
yann@1:     esac
yann@1: 
yann@50:     CT_DoLog EXTRA "Building final compiler"
yann@78:     make ${PARALLELMFLAGS} all 2>&1 |CT_DoLog ALL
yann@1: 
yann@50:     CT_DoLog EXTRA "Installing final compiler"
yann@78:     make install 2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     # FIXME: shouldn't people who want this just --disable-multilib in final gcc
yann@1:     # and be done with it?
yann@1:     # This code should probably be deleted, it was written long ago and hasn't
yann@1:     # been tested in ages.
yann@1:     # kludge: If the chip does not have a floating point unit
yann@1:     # (i.e. if GLIBC_EXTRA_CONFIG contains --without-fp),
yann@1:     # and there are shared libraries in /lib/nof, copy them to /lib
yann@1:     # so they get used by default.
yann@1:     # FIXME: only rs6000/powerpc seem to use nof.  See MULTILIB_DIRNAMES
yann@1:     # in $GCC_DIR/gcc/config/$TARGET/* to see what your arch calls it.
yann@1:     #case "${CT_LIBC_EXTRA_CONFIG}" in
yann@1:     #    *--without-fp*)
yann@1:     #        if test -d "${CT_SYSROOT_DIR}/lib/nof"; then
yann@1:     #            cp -af "${CT_SYSROOT_DIR}/lib/nof/"*.so* "${CT_SYSROOT_DIR}/lib" || true
yann@1:     #        fi
yann@1:     #    ;;
yann@1:     #esac
yann@1: 
yann@217:     # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
yann@217:     # to call the C compiler with the same, somewhat canonical name.
yann@235:     ln "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-{g,}cc
yann@217: 
yann@1:     CT_EndStep
yann@1: }