# This file adds functions to build elf2flt

# Copyright 2009 John Williams

# Copyright 2007 Yann E. MORIN

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

# Default: do nothing

do_elf2flt_get()        { :; }

do_elf2flt_extract()    { :; }

do_elf2flt_for_build()  { :; }

do_elf2flt_for_host()   { :; }

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

# Download elf2flt

do_elf2flt_get() {

    if [ "${CT_ELF2FLT_CUSTOM}" = "y" ]; then

        CT_GetCustom "elf2flt" "${ELF2FLT_VERSION}" \

                     "${CT_ELF2FLT_CUSTOM_LOCATION}"

    else

        CT_GetCVS "elf2flt-${CT_ELF2FLT_VERSION}"               \

                  ":pserver:anonymous@cvs.uclinux.org:/var/cvs" \

                  "elf2flt"                                     \

                  "" \

                  "elf2flt-${CT_ELF2FLT_VERSION}"

    fi

}

# Extract elf2flt

do_elf2flt_extract() {

    # If using custom directory location, nothing to do

    if [    "${CT_ELF2FLT_CUSTOM}" = "y" \

         -a -d "${CT_SRC_DIR}/elf2flt-${CT_ELF2FLT_VERSION}" ]; then

        return 0

    fi

    CT_Extract "elf2flt-${CT_ELF2FLT_VERSION}"

    CT_Patch "elf2flt" "${CT_ELF2FLT_VERSION}"

}

# Build elf2flt for build -> target

do_elf2flt_for_build() {

    local -a elf2flt_opts

    case "${CT_TOOLCHAIN_TYPE}" in

        native|cross)   return 0;;

    esac

    CT_DoStep INFO "Installing elf2flt for build"

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

    elf2flt_opts+=( "host=${CT_BUILD}" )

    elf2flt_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )

    elf2flt_opts+=( "binutils_bld=${CT_BUILD_DIR}/build-binutils-build-${CT_HOST}" )

    do_elf2flt_backend "${elf2flt_opts[@]}"

    CT_Popd

    CT_EndStep

}

# Build elf2flt for host -> target

do_elf2flt_for_host() {

    local -a elf2flt_opts

    CT_DoStep INFO "Installing elf2flt for host"

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

    elf2flt_opts+=( "host=${CT_HOST}" )

    elf2flt_opts+=( "prefix=${CT_PREFIX_DIR}" )

    elf2flt_opts+=( "static_build=${CT_STATIC_TOOLCHAIN}" )

    elf2flt_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )

    elf2flt_opts+=( "binutils_bld=${CT_BUILD_DIR}/build-binutils-host-${CT_HOST}" )

    do_elf2flt_backend "${elf2flt_opts[@]}"

    # 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.

    # 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)

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

            mkdir -p "${CT_BUILDTOOLS_PREFIX_DIR}/bin"

            for t in elf2flt flthdr; 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_Popd

    CT_EndStep

}

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

do_elf2flt_backend() {

    local host

    local prefix

    local static_build

    local cflags

    local binutils_bld

    local binutils_src

    local arg

    for arg in "$@"; do

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

    done

    binutils_src="${CT_SRC_DIR}/binutils-${CT_BINUTILS_VERSION}"

    CT_DoLog EXTRA "Configuring elf2flt"

    CT_DoExecLog CFG                                            \

    CFLAGS="${host_cflags}"                                     \

    "${CT_SRC_DIR}/elf2flt-${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

}

fi # CT_ARCH_BINFMT_FLAT