SliTaz Packages

Receipt for package "glibc"

# SliTaz package receipt.

PACKAGE="glibc"
VERSION="2.13"
CATEGORY="meta"
SHORT_DESC="The GNU C libraries. This package is used to compile the libc."
MAINTAINER="pankso@slitaz.org"
TARBALL="$PACKAGE-$VERSION.tar.gz"
WEB_SITE="http://www.gnu.org/software/libc/"
WGET_URL="$GNU_MIRROR/$PACKAGE/$TARBALL"

DEPENDS="glibc-base glibc-locale glibc-dev"
BUILD_DEPENDS="linux-api-headers"

# Genpkg order for tazwok.
COOK_OPT="genpkg=glibc-base:glibc-extra-samba:glib-locale:glibc-dev"
    
# Rules to compile & install the temporary toolchain.
cook_tmp_toolchain()
{
    cd $src
    
    # Fix a bug that prevents Glibc from building with GCC-4.5.2:
    patch -Np1 -i $stuff/glibc-2.13-gcc_fix-1.patch
    
    patch -Np1 -i $stuff/glibc-2.13-CVE-2015-0235.patch

    # Build in a separate directory.
    mkdir ../glibc-build && cd ../glibc-build

    # glibc no longer support i386, so use -march=i486 for better compatibility.
    # If i686 ???
    unset CFLAGS CXXFLAGS
    case $ARCH in
        i386|i486)
            echo "CFLAGS += -O2 -march=i486 -mtune=i486" > configparms ;;
        *)
            echo "CFLAGS += -O2 -march=$ARCH -mtune=$ARCH" > configparms ;;
    esac

    { $src/configure \
        --host=$HOST_SYSTEM \
        --build=$($src/scripts/config.guess) \
        --disable-profile --enable-add-ons \
        --enable-kernel=2.6.30 --with-headers=/tools/include \
        libc_cv_forced_unwind=yes libc_cv_c_cleanup=yes &&
    make &&
    make install
    } || return 1

    # Link compiler to this new glibc.
    SPECS=`dirname $($HOST_SYSTEM-gcc -print-libgcc-file-name)`/specs
    $HOST_SYSTEM-gcc -dumpspecs | sed \
        -e 's@/lib\(64\)\?/ld@/tools&@g' \
        -e "/^\*cpp:$/{n;s,$, -isystem /tools/include,}" > $SPECS 
    unset SPECS
}

# 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

    # Following patches and sed fixes comes from LFS development book:
    # http://www.linuxfromscratch.org/lfs/view/development/chapter06/glibc.html
    DL=$(readelf -l /bin/sh | sed -n 's@.*interpret.*/tools\(.*\)]$@\1@p')
    sed -i "s|libs -o|libs -L/usr/lib -Wl,-dynamic-linker=$DL -o|" \
        scripts/test-installation.pl
    unset DL
    sed -i -e 's/"db1"/& \&\& $name ne "nss_test1"/' scripts/test-installation.pl
    sed -i 's|@BASH@|/bin/bash|' elf/ldd.bash.in

    # Fix a bug that prevents Glibc from building with GCC-4.5.2:
    patch -Np1 -i $stuff/glibc-2.13-gcc_fix-1.patch

    patch -Np1 -i $stuff/glibc-2.13-CVE-2015-0235.patch

    # Fix a stack imbalance that occurs under some conditions:
    sed -i '195,213 s/PRIVATE_FUTEX/FUTEX_CLOCK_REALTIME/' \
        nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedrdlock.S \
        nptl/sysdeps/unix/sysv/linux/x86_64/pthread_rwlock_timedwrlock.S

    # Glibc needs ld.so.conf in the install destdir.
    mkdir -p $WOK/$PACKAGE/install/etc
    touch $WOK/$PACKAGE/install/etc/ld.so.conf
    mkdir ../glibc-build && cd ../glibc-build
    
    # Read the INSTALL file in glibc. Also Glibc dont build with -Os flag.
    # --enale-kernel use latest SliTaz Kernel version. From Glibc INSTALL:
    # "The higher the VERSION number is, the less compatibility code is
    # added, and the faster the code gets."
    unset CFLAGS CXXFLAGS
    case "$ARCH" in
        i386|i486)
            echo "CFLAGS += -O2 -march=i486 -mtune=i486" > configparms ;;
        *)
            echo "CFLAGS += -O2 -march=$ARCH -mtune=$ARCH" > configparms ;;
    esac
    { $src/configure \
        --disable-profile \
        --enable-add-ons \
        --enable-kernel=2.6.30 \
        --libexecdir=/usr/lib/glibc \
        --build=$HOST_SYSTEM \
        --host=$HOST_SYSTEM &&
    make && make install_root=$DESTDIR install
    } || return 1

    # If temporary toolchain was previously used, switch to regular toolchain.
    [ -d /tools ] || return
    mv /tools/bin/ld /tools/bin/ld-old
    mv /tools/$(gcc -dumpmachine)/bin/ld /tools/$(gcc -dumpmachine)/bin/ld-old
    mv /tools/bin/ld-new /tools/bin/ld
    ln -s /tools/bin/ld /tools/$(gcc -dumpmachine)/bin/ld
    gcc -dumpspecs | sed -e 's@/tools@@g' \
        -e '/\*startfile_prefix_spec:/{n;s@.*@/usr/lib/ @}' \
        -e '/\*cpp:/{n;s@$@ -isystem /usr/include@}' > \
        `dirname $(gcc --print-libgcc-file-name)`/specs
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
    LOCALE=""
    mkdir -p $fs/var

    # Remove build directory.
    rm -rf $WOK/$PACKAGE/source/$PACKAGE-build
    rm -rf $WOK/$PACKAGE/$PACKAGE-build
}