# This file adds functions to build binutils

# Copyright 2007 Yann E. MORIN

# Licensed under the GPL v2. See COPYING in the root of this package

# Download binutils

do_binutils_get() {

    CT_GetFile "binutils-${CT_BINUTILS_VERSION}"                                        \

               {ftp,http}://{ftp.gnu.org/gnu,ftp.kernel.org/pub/linux/devel}/binutils   \

               ftp://gcc.gnu.org/pub/binutils/{releases,snapshots}

}

# Extract binutils

do_binutils_extract() {

    CT_Extract "binutils-${CT_BINUTILS_VERSION}"

    CT_Patch "binutils" "${CT_BINUTILS_VERSION}"

}

# Build binutils

do_binutils() {

    local -a extra_config

    local -a extra_make_flags

    local -a binutils_tools

    mkdir -p "${CT_BUILD_DIR}/build-binutils"

    cd "${CT_BUILD_DIR}/build-binutils"

    CT_DoStep INFO "Installing binutils"

    CT_DoLog EXTRA "Configuring binutils"

    binutils_tools=( ar as ld strip )

    if [ "${CT_BINUTILS_HAS_GOLD}" = "y" ]; then

        case "${CT_BINUTILS_LINKERS_LIST}" in

            ld)

                extra_config+=( --enable-ld=yes --enable-gold=no )

                binutils_tools+=( ld.bfd )

                ;;

            gold)

                extra_config+=( --enable-ld=no --enable-gold=yes )

                binutils_tools+=( ld.gold )

                ;;

            ld,gold)

                extra_config+=( --enable-ld=default --enable-gold=yes )

                binutils_tools+=( ld.bfd ld.gold )

                ;;

            gold,ld)

                extra_config+=( --enable-ld=yes --enable-gold=default )

                binutils_tools+=( ld.bfd ld.gold )

                ;;

        esac

        if [ "${CT_BINUTILS_GOLD_THREADED}" = "y" ]; then

            extra_config+=( --enable-threads )

        fi

    fi

    if [ "${CT_BINUTILS_PLUGINS}" = "y" ]; then

        extra_config+=( --enable-plugins )

    fi

    CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"

    CT_DoExecLog CFG                                            \

    CFLAGS="${CT_CFLAGS_FOR_HOST}"                              \

    "${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}/configure"   \

        --build=${CT_BUILD}                                     \

        --host=${CT_HOST}                                       \

        --target=${CT_TARGET}                                   \

        --prefix=${CT_PREFIX_DIR}                               \

        --disable-nls                                           \

        --disable-multilib                                      \

        --disable-werror                                        \

        "${extra_config[@]}"                                    \

        ${CT_ARCH_WITH_FLOAT}                                   \

        ${CT_BINUTILS_EXTRA_CONFIG}                             \

        ${BINUTILS_SYSROOT_ARG}

    if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then

        extra_make_flags+=("LDFLAGS=-all-static")

        CT_DoLog EXTRA "Prepare binutils for static build"

        CT_DoExecLog ALL make configure-host

    fi

    CT_DoLog EXTRA "Building binutils"

    CT_DoExecLog ALL make "${extra_make_flags[@]}" ${JOBSFLAGS}

    CT_DoLog EXTRA "Installing binutils"

    CT_DoExecLog ALL make install

    # Install the wrapper if needed

    if [ "${CT_BINUTILS_LD_WRAPPER}" = "y" ]; then

        CT_DoLog EXTRA "Installing ld wrapper"

        rm -f "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ld"

        rm -f "${CT_PREFIX_DIR}/${CT_TARGET}/bin/ld"

        sed -r -e "s/@@DEFAULT_LD@@/${CT_BINUTILS_LINKER_DEFAULT}/" \

            "${CT_LIB_DIR}/scripts/build/binutils/binutils-ld.in"   \

            >"${CT_PREFIX_DIR}/bin/${CT_TARGET}-ld"

        chmod +x "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ld"

        cp -a "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ld"    \

              "${CT_PREFIX_DIR}/${CT_TARGET}/bin/ld"

        # If needed, force using ld.bfd during the toolchain build

        if [ "${CT_BINUTILS_FORCE_LD_BFD}" = "y" ]; then

            export CTNG_LD_IS=bfd

        fi

    fi

    # Make those new tools available to the core C compilers to come.

    # Note: some components want the ${TARGET}-{ar,as,ld,strip} commands as

    # well. Create that.

    mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/bin"

    mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/bin"

    mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/bin"

    mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/bin"

    for t in "${binutils_tools[@]}"; do

        ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/bin/${t}"

        ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_STATIC_PREFIX_DIR}/bin/${CT_TARGET}-${t}"

        ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/bin/${t}"

        ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}" "${CT_CC_CORE_SHARED_PREFIX_DIR}/bin/${CT_TARGET}-${t}"

    done 2>&1 |CT_DoLog ALL

    CT_EndStep

}

# Now on for the target libraries

do_binutils_target() {

    local -a extra_config

    local -a targets

    local -a build_targets

    local -a install_targets

    local t

    [ "${CT_BINUTILS_FOR_TARGET_IBERTY}" = "y" ] && targets+=("libiberty")

    [ "${CT_BINUTILS_FOR_TARGET_BFD}"    = "y" ] && targets+=("bfd")

    for t in "${targets[@]}"; do

        build_targets+=("all-${t}")

        install_targets+=("install-${t}")

    done

    if [ "${#targets[@]}" -ne 0 ]; then

        CT_DoStep INFO "Installing binutils for target"

        mkdir -p "${CT_BUILD_DIR}/build-binutils-for-target"

        CT_Pushd "${CT_BUILD_DIR}/build-binutils-for-target"

        CT_DoLog EXTRA "Configuring binutils for target"

        CT_DoExecLog CFG                                            \

        "${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}/configure"   \

            --build=${CT_BUILD}                                     \

            --host=${CT_TARGET}                                     \

            --target=${CT_TARGET}                                   \

            --prefix=/usr                                           \

            --disable-werror                                        \

            --enable-shared                                         \

            --enable-static                                         \

            --disable-nls                                           \

            --disable-multilib                                      \

            "${extra_config[@]}"                                    \

            ${CT_ARCH_WITH_FLOAT}                                   \

            ${CT_BINUTILS_EXTRA_CONFIG}

        CT_DoLog EXTRA "Building binutils' libraries (${targets[*]}) for target"

        CT_DoExecLog ALL make ${JOBSFLAGS} "${build_targets[@]}"

        CT_DoLog EXTRA "Installing binutils' libraries (${targets[*]}) for target"

        CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" "${install_targets[@]}"

        CT_Popd

        CT_EndStep

    fi

}