#!/bin/bash

AR=ar
LDFLAGS="-Wl,-rpath,/cross-tools/lib"

hvpatch()
{
    # Manually applying patches if specified
    if [ -n "${GCC_PATCHES}" ]; then
        for p in ${GCC_PATCHES}; do
            apply_patch ${PACKAGE}-${p}.patch ${PACKAGE}
        done
    fi

    case "${HVL_TARGET}" in
        "x86")
            apply_patch ${PACKAGE}-specs-1.patch ${PACKAGE}
            ;;
        "x86_64")
            apply_patch ${PACKAGE}-pure64_specs-1.patch ${PACKAGE}
	    ;;
    esac
}

hvconfig_pre()
{
    # Common options for passes 1 & 2
    CONFIGURE_OPTS="${CONFIGURE_OPTS} \
        --build=${CLFS_HOST} \
        --host=${CLFS_HOST} \
        --target=${CLFS_TARGET} \
        --with-sysroot=${CLFS} \
        --with-local-prefix=/tools \
        --disable-nls \
        --with-mpfr=/cross-tools \
        --with-gmp=/cross-tools"

    if [ "x${HVLABEL}" = "x${GCC}-pass1" ]; then
        CONFIGURE_OPTS="${CONFIGURE_OPTS} \
            --disable-shared \
            --without-headers \
            --with-newlib \
            --disable-decimal-float \
            --disable-libgomp \
            --disable-libmudflap \
            --disable-libssp \
            --disable-threads \
            --enable-languages=c"
    else
        CONFIGURE_OPTS="${CONFIGURE_OPTS} \
            --enable-shared \
            --enable-languages=c,c++ \
            --enable-__cxa_atexit \
            --enable-c99 \
            --enable-long-long \
            --enable-threads=posix"
    fi

    case "${HVL_TARGET}" in
        *)
            CONFIGURE_OPTS="${CONFIGURE_OPTS} --with-ppl=/cross-tools \
            --with-cloog=/cross-tools \
            --disable-multilib"
            ;;
    esac

    cd ${LFS_TMP}/${PACKAGE}

    # Change the StartFile Spec to point to the correct library location:
    echo -en '#undef STANDARD_INCLUDE_DIR\n#define STANDARD_INCLUDE_DIR "/tools/include/"\n\n' >> gcc/config/linux.h
    echo -en '\n#undef STANDARD_STARTFILE_PREFIX_1\n#define STANDARD_STARTFILE_PREFIX_1 "/tools/lib/"\n' >> gcc/config/linux.h
    echo -en '\n#undef STANDARD_STARTFILE_PREFIX_2\n#define STANDARD_STARTFILE_PREFIX_2 ""\n' >> gcc/config/linux.h

    # Alter gcc's C preprocessor's default include search path to use /tools
    # only:
    sed -e "s@\(^CROSS_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g" \
        -i gcc/Makefile.in

    if [ "x${HVLABEL}" = "x${GCC}-pass1" ]; then
        # We will create a dummy limits.h so the build will not use the one
        # provided by the host distro:
        touch /tools/include/limits.h
    fi
}

hvbuild()
{
    if [ "x${HVLABEL}" = "x${GCC}-pass1" ]; then
        ${HVMAKE} all-gcc all-target-libgcc
        ${HVMAKE} install-gcc install-target-libgcc
    else
        ${HVMAKE} \
            AS_FOR_TARGET="${CLFS_TARGET}-as" \
            LD_FOR_TARGET="${CLFS_TARGET}-ld"
        ${HVMAKE} install
    fi
}