# 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() {

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

        CT_GetCustom "binutils" "${CT_BINUTILS_VERSION}" \

                     "${CT_BINUTILS_CUSTOM_LOCATION}"

    else

        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}

    fi

    if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then

        CT_GetGit elf2flt "${CT_ELF2FLT_GIT_CSET}" git://wh0rd.org/elf2flt.git

    fi

}

# Extract binutils

do_binutils_extract() {

    # If using custom directory location, nothing to do

    if [ "${CT_BINUTILS_CUSTOM}" = "y" \

         -a -d "${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}" ]; then

        return 0

    fi

    CT_Extract "binutils-${CT_BINUTILS_VERSION}"

    CT_Patch "binutils" "${CT_BINUTILS_VERSION}"

    if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then

        CT_Extract "elf2flt-${CT_ELF2FLT_GIT_CSET}"

        CT_Patch "elf2flt" "${CT_ELF2FLT_GIT_CSET}"

    fi

}

# Build binutils for build -> target

do_binutils_for_build() {

    local -a binutils_opts

    case "${CT_TOOLCHAIN_TYPE}" in

        native|cross)   return 0;;

    esac

    CT_DoStep INFO "Installing binutils for build"

    CT_mkdir_pushd "${CT_BUILD_DIR}/build-binutils-build-${CT_BUILD}"

    binutils_opts+=( "host=${CT_BUILD}" )

    binutils_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

    binutils_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )

    binutils_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )

    do_binutils_backend "${binutils_opts[@]}"

    CT_Popd

    if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then

        # We re-use binutils' options, plus our owns

        binutils_opts+=( "binutils_src=${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}" )

        binutils_opts+=( "binutils_bld=${CT_BUILD_DIR}/build-binutils-build-${CT_BUILD}" )

        CT_mkdir_pushd "${CT_BUILD_DIR}/build-elf2flt-build-${CT_BUILD}"

        do_elf2flt_backend "${binutils_opts[@]}"

        CT_Popd

    fi

    CT_EndStep

}

# Build binutils for host -> target

do_binutils_for_host() {

    local -a binutils_tools

    local -a binutils_opts

    CT_DoStep INFO "Installing binutils for host"

    CT_mkdir_pushd "${CT_BUILD_DIR}/build-binutils-host-${CT_HOST}"

    binutils_opts+=( "host=${CT_HOST}" )

    binutils_opts+=( "prefix=${CT_PREFIX_DIR}" )

    binutils_opts+=( "static_build=${CT_STATIC_TOOLCHAIN}" )

    binutils_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

    binutils_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )

    binutils_opts+=( "build_manuals=${CT_BUILD_MANUALS}" )

    do_binutils_backend "${binutils_opts[@]}"

    CT_Popd

    if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then

        # We re-use binutils' options, plus our owns

        binutils_opts+=( "binutils_src=${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}" )

        binutils_opts+=( "binutils_bld=${CT_BUILD_DIR}/build-binutils-host-${CT_HOST}" )

        CT_mkdir_pushd "${CT_BUILD_DIR}/build-elf2flt-host-${CT_HOST}"

        do_elf2flt_backend "${binutils_opts[@]}"

        CT_Popd

    fi

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

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

    # as well. Create that.

    # Don't do it for canadian or cross-native, because the binutils

    # are not executable on the build machine.

    case "${CT_TOOLCHAIN_TYPE}" in

        cross|native)

            binutils_tools=( ar as ld ranlib strip )

            if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then

                binutils_tools+=( elf2flt flthdr )

            fi

            case "${CT_BINUTILS_LINKERS_LIST}" in

                ld)         binutils_tools+=( ld.bfd ) ;;

                gold)       binutils_tools+=( ld.gold ) ;;

                ld,gold)    binutils_tools+=( ld.bfd ld.gold ) ;;

                gold,ld)    binutils_tools+=( ld.bfd ld.gold ) ;;

            esac

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

            mkdir -p "${CT_BUILDTOOLS_PREFIX_DIR}/bin"

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

                CT_DoExecLog ALL ln -sv                                         \

                                    "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}"    \

                                    "${CT_BUILDTOOLS_PREFIX_DIR}/${CT_TARGET}/bin/${t}"

                CT_DoExecLog ALL ln -sv                                         \

                                    "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${t}"    \

                                    "${CT_BUILDTOOLS_PREFIX_DIR}/bin/${CT_TARGET}-${t}"

            done

            ;;

        *)  ;;

    esac

    CT_EndStep

}

# Build binutils for X -> target

#     Parameter     : description               : type      : default

#     host          : machine to run on         : tuple     : (none)

#     prefix        : prefix to install into    : dir       : (none)

#     static_build  : build statcially          : bool      : no

#     cflags        : cflags to use             : string    : (empty)

#     ldflags       : ldflags to use            : string    : (empty)

#     build_manuals : whether to build manuals  : bool      : no

do_binutils_backend() {

    local host

    local prefix

    local static_build

    local cflags

    local ldflags

    local build_manuals=no

    local -a extra_config

    local -a extra_make_flags

    local -a manuals_for

    local -a manuals_install

    local arg

    for arg in "$@"; do

        eval "${arg// /\\ }"

    done

    CT_DoLog EXTRA "Configuring binutils"

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

        case "${CT_BINUTILS_LINKERS_LIST}" in

            ld)

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

                ;;

            gold)

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

                ;;

            ld,gold)

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

                ;;

            gold,ld)

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

                ;;

        esac

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

            extra_config+=( --enable-threads )

        fi

    fi

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

        extra_config+=( --enable-plugins )

    fi

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

        extra_config+=("--with-pkgversion=${CT_PKGVERSION}")

        [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")

    fi

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

        extra_config+=("--enable-multilib")

    else

        extra_config+=("--disable-multilib")

    fi

    [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")

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

    CT_DoExecLog CFG                                            \

    CFLAGS="${cflags}"                                          \

    CXXFLAGS="${cflags}"                                        \

    LDFLAGS="${ldflags}"                                        \

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

        --build=${CT_BUILD}                                     \

        --host=${host}                                          \

        --target=${CT_TARGET}                                   \

        --prefix=${prefix}                                      \

        --disable-werror                                        \

        "${extra_config[@]}"                                    \

        ${CT_ARCH_WITH_FLOAT}                                   \

        ${BINUTILS_SYSROOT_ARG}                                 \

        "${CT_BINUTILS_EXTRA_CONFIG_ARRAY[@]}"

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

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

        CT_DoLog EXTRA "Prepare binutils for static build"

        CT_DoExecLog ALL make ${JOBSFLAGS} 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

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

        CT_DoLog EXTRA "Building and installing the binutils manuals"

        manuals_for=( gas binutils ld gprof )

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

            manuals_for+=( gold )

        fi

        manuals_install=( "${manuals_for[@]/#/install-pdf-}" )

        manuals_install+=( "${manuals_for[@]/#/install-html-}" )

        CT_DoExecLog ALL make ${JOBSFLAGS} pdf html

        CT_DoExecLog ALL make "${manuals_install[@]}"

    fi

    # Install the wrapper if needed

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

        CT_DoLog EXTRA "Installing ld wrapper"

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

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

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

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

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

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

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

              "${prefix}/${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

}

# Build elf2flt for X -> target

#     Parameter     : description               : type      : default

#     host          : machine to run on         : tuple     : (none)

#     prefix        : prefix to install into    : dir       : (none)

#     static_build  : build statcially          : bool      : no

#     cflags        : cflags to use             : string    : (empty)

#     ldflags       : ldflags to use            : string    : (empty)

#     binutils_src  : source dir of binutils    : dir       : (none)

#     binutils_bld  : build dir of binutils     : dir       : (none)

#     build_manuals : whether to build manuals  : bool      : no

do_elf2flt_backend() {

    local host

    local prefix

    local static_build

    local cflags

    local ldflags

    local binutils_bld

    local binutils_src

    local build_manuals

    local arg

    for arg in "$@"; do

        eval "${arg// /\\ }"

    done

    CT_DoLog EXTRA "Configuring elf2flt"

    CT_DoExecLog CFG                                            \

    CFLAGS="${cflags}"                                          \

    LDFLAGS="${ldflags}"                                        \

    "${CT_SRC_DIR}/elf2flt-${CT_ELF2FLT_VERSION}/configure"     \

        --build=${CT_BUILD}                                     \

        --host=${host}                                          \

        --target=${CT_TARGET}                                   \

        --prefix=${prefix}                                      \

        --with-bfd-include-dir=${binutils_bld}/bfd              \

        --with-binutils-include-dir=${binutils_src}/include     \

        --with-libbfd=${binutils_bld}/bfd/libbfd.a              \

        --with-libiberty=${binutils_bld}/libiberty/libiberty.a  \

        ${elf2flt_opts}                                         \

        "${CT_ELF2FLT_EXTRA_CONFIG_ARRAY[@]}"

    CT_DoLog EXTRA "Building elf2flt"

    CT_DoExecLog ALL make ${JOBSFLAGS}

    CT_DoLog EXTRA "Installing elf2flt"

    CT_DoExecLog ALL make install

}

# Now on for the target libraries

do_binutils_for_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"

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

            extra_config+=("--with-pkgversion=${CT_PKGVERSION}")

            [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")

        fi

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

            extra_config+=("--enable-multilib")

        else

            extra_config+=("--disable-multilib")

        fi

        [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")

        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                                         \

            "${extra_config[@]}"                                    \

            ${CT_ARCH_WITH_FLOAT}                                   \

            "${CT_BINUTILS_EXTRA_CONFIG_ARRAY[@]}"

        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

}