SliTaz Packages

Receipt for package "gcc"

# SliTaz package receipt.

PACKAGE="gcc"
VERSION="4.5.2"
CATEGORY="development"
SHORT_DESC="The the GNU Compiler Collection."
MAINTAINER="pankso@slitaz.org"
TARBALL="$PACKAGE-$VERSION.tar.bz2"
WEB_SITE="http://gcc.gnu.org/"
WGET_URL="ftp://gcc.gnu.org/pub/gcc/releases/gcc-$VERSION/$TARBALL"

# We need gawk since busybox awk is not sufficient. We have BUILD_DEPENDS
# for cookutils that are not used by tazwok/cook-toolchain since it install
# and use it's own copy.
DEPENDS="binutils libgomp libobjc gcc-lib-base mpc-library elfutils"
BUILD_DEPENDS="elfutils mpc-library mpfr mpfr-dev gmp gmp-dev \
elfutils-dev"

# Rules to compile & install the temporary toolchain.
precook_tmp_toolchain()
{
    report open-bloc
    cd $src

    # GCC requires the GMP, MPFR and MPC packages.
    tazwok get-src mpfr --target=$PWD/mpfr || { report close-bloc; return 1; }
    tazwok get-src gmp --target=$PWD/gmp || { report close-bloc; return 1; }
    tazwok get-src mpc-library --target=$PWD/mpc || { report close-bloc; return 1; }

    report step "Running compilation"

    # Use libiberty.a from binutils.
    sed -i 's/install_to_$(INSTALL_DEST) //' \
        libiberty/Makefile.in || return 1

    # Build it in a separate directory.
    mkdir ../gcc-build
    cd ../gcc-build

    { $src/configure \
        --target=$HOST_SYSTEM \
        --disable-nls --disable-shared --disable-multilib \
        --disable-decimal-float --disable-threads \
        --disable-libmudflap --disable-libssp \
        --disable-libgomp --enable-languages=c \
        --with-gmp-include=$(pwd)/gmp --with-gmp-lib=$(pwd)/gmp/.libs \
        --without-ppl --without-cloog &&
    make &&
    make install
    } || { report close-bloc; return 1; }

    # See LFS for more detais about this.
    ln -s libgcc.a `$HOST_SYSTEM-gcc -print-libgcc-file-name | \
            sed 's/libgcc/&_eh/'`
    report close-bloc
}

cook_tmp_toolchain()
{
    report open-bloc
    cd $src
    patch -Np1 -i $stuff/gcc-$VERSION-startfiles_fix-1.patch || { report close-bloc; return 1; }

    # Details about theses lines are in LFS book.
    sed 's@\./fixinc\.sh@-c true@' -i gcc/Makefile.in
    sed 's/^T_CFLAGS =$/& -fomit-frame-pointer/' -i gcc/Makefile.in
    for file in \
        $(find gcc/config -name linux64.h -o -name linux.h -o -name sysv4.h)
    do
        sed -e 's@/lib\(64\)\?\(32\)\?/ld@/tools&@g' \
            -e 's@/usr@/tools@g' -i $file
        echo '
#undef STANDARD_INCLUDE_DIR
#define STANDARD_INCLUDE_DIR 0
#define STANDARD_STARTFILE_PREFIX_1 ""
#define STANDARD_STARTFILE_PREFIX_2 ""' >> $file
    done

    if [ "$ARCH" = x86_64 ]; then
        for file in $(find gcc/config -name t-linux64) ; do
            sed '/MULTILIB_OSDIRNAMES/d' -i $file
        done
    fi
    
    # GCC requires the GMP, MPFR and MPC packages.
    tazwok get-src mpfr --target=$PWD/mpfr || { report close-bloc; return 1; }
    tazwok get-src gmp --target=$PWD/gmp || { report close-bloc; return 1; }
    tazwok get-src mpc-library --target=$PWD/mpc || { report close-bloc; return 1; }

    report step "Running compilation"

    # Use libiberty.a from binutils.
    sed -i 's/install_to_$(INSTALL_DEST) //' \
        libiberty/Makefile.in || return 1

    # Build it in a separate directory.
    mkdir ../gcc-build
    cd ../gcc-build

    { CC="$HOST_SYSTEM-gcc -B/tools/lib/" \
        AR=$HOST_SYSTEM-ar RANLIB=$HOST_SYSTEM-ranlib \
        $src/configure \
        --with-local-prefix=/tools --enable-clocale=gnu \
        --enable-shared --enable-threads=posix \
        --enable-__cxa_atexit --enable-languages=c,c++ \
        --disable-libstdcxx-pch --disable-multilib \
        --disable-bootstrap --disable-libgomp \
        --with-gmp-include=$(pwd)/gmp --with-gmp-lib=$(pwd)/gmp/.libs \
        --without-ppl --without-cloog &&
    make &&
    make install
    } || { report close-bloc; return 1; }
    ln -s gcc /tools/bin/cc
    report close-bloc
}

# Rules to configure and make the package.
compile_rules()
{
    cd $src


    # SliTaz is a Busybox based OS, why we so small and fast. Using gawk by
    # default to build package will not ensure package work with Busybox awk
    # and so should NOT be use to cook.
    if [ -x /usr/bin/cook ]; then
        [ -d "/var/lib/tazpkg/installed/gawk" ] || tazpkg get-install gawk
    fi

    # Package slitaz-toolchain use 'cook --options' when rebuilding
    # the full SliTaz toolchain.
    [ "$2" == "--first-pass" ] && opt=$2
    [ "$3" == "--first-pass" ] && opt=$3
    
    # Use libiberty.a from binutils.
    sed -i 's/install_to_$(INSTALL_DEST) //' \
        libiberty/Makefile.in || return 1
    mkdir -p ../gcc-build && cd ../gcc-build

    # This is the default GCC and we want a native build to cross compile after.
    # SliTaz target i486 host so we need a native i486 build for GCC.
    case "$opt" in
        --first-pass)
            # Used by slitaz-toolchain when rebuilding the full toolchain.
            echo "cook: configure GCC for: toolchain first pass"
            $src/configure \
                --libexecdir=/usr/lib \
                --disable-nls \
                --enable-shared \
                --enable-languages=c,c++ \
                --disable-libstdcxx-pch \
                --enable-__cxa_atexit \
                --enable-clocale=gnu \
                --enable-threads=posix \
                --disable-bootstrap \
                --build=$HOST_SYSTEM \
                --host=$HOST_SYSTEM &&
            make && make install ;;
        *)
            # Used by default to produce a full featured X86 GCC compiler.
            echo "cook: configure GCC for: final/full build"
            $src/configure \
                --libexecdir=/usr/lib \
                --enable-nls \
                --enable-languages=c,c++,objc,fortran \
                --enable-shared \
                --with-system-zlib \
                --enable-clocale=gnu \
                --enable-objc-gc \
                --enable-__cxa_atexit \
                --enable-lto \
                --enable-threads=posix \
                --disable-bootstrap \
                --with-pkgversion="SliTaz" \
                --with-tune=$ARCH \
                --build=$HOST_SYSTEM \
                --host=$HOST_SYSTEM &&
            make && make install ;;
    esac
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
    mkdir -p  $fs/usr/share
    cp -a $_pkg/usr/bin $fs/usr
    
    # Copy all libs. Remove libgcc_s.so and libstdc++.so they goes in
    # the gcc-lib-base package.
    cp -a $_pkg/usr/lib $fs/usr
    rm -f $fs/usr/lib/libgcc_s.so*
    rm -f $fs/usr/lib/libstdc++.so*
    rm -f $fs/usr/lib/libgomp.so*
    rm -f $fs/usr/lib/libobjc.so*

    # Include files.
    cp -a $_pkg/usr/include $fs/usr
    
    # Gfortran goes in gfortran package.
    rm -f $fs/usr/bin/*gfortran
    rm -f $fs/usr/lib/libgfortran*
    rm -f $fs/usr/lib/gcc/*/$VERSION/libgfortran*
    rm -rf $fs/usr/lib/gcc/*/$VERSION/f*
    
    # Remove build directory.
    rm -rf $WOK/$PACKAGE/source/$PACKAGE-build
    rm -rf $WOK/$PACKAGE/$PACKAGE-build
}

# Post install commands for Tazpkg.
post_install()
{
    local root
    root=$1
    echo "Processing post-install commands..."
    if [ ! -f "$root/lib/cpp" ]; then
        ln -s ../usr/bin/cpp $root/lib
    fi
    if [ ! -f "$root/usr/bin/cc" ]; then
        ln -s gcc $root/usr/bin/cc
    fi
}