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

     elf2flt_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )

     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+=( "ldflags=${CT_LDFLAGS_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        : cflags to use             : string    : (empty)

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

 do_elf2flt_backend() {

     local host

     local prefix

     local static_build

     local cflags

     local ldflags

     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="${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

 }

 fi # CT_ARCH_BINFMT_FLAT