# This file contains crosstool-NG internal steps

# This step is called once all components were built, to remove

# un-wanted files, to add tuple aliases, and to add the final

# crosstool-NG-provided files.

do_finish() {

    local _t

    CT_DoStep INFO "Cleaning-up the toolchain's directory"

    if [ "${CT_BARE_METAL}" != "y" ]; then

        CT_DoLog EXTRA "Installing the populate helper"

        sed -r -e 's|@@CT_TARGET@@|'"${CT_TARGET}"'|g;' \

               -e 's|@@CT_install@@|'"${install}"'|g;'  \

               -e 's|@@CT_bash@@|'"${bash}"'|g;'        \

               -e 's|@@CT_grep@@|'"${grep}"'|g;'        \

               -e 's|@@CT_make@@|'"${make}"'|g;'        \

               -e 's|@@CT_sed@@|'"${sed}"'|g;'          \

               "${CT_LIB_DIR}/scripts/populate.in"      \

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

        CT_DoExecLog ALL chmod 755 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"

    fi

    # Create the aliases to the target tools

    CT_DoLog EXTRA "Creating toolchain aliases"

    CT_Pushd "${CT_PREFIX_DIR}/bin"

    for t in "${CT_TARGET}-"*; do

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

            _t=$(echo "$t" |sed -r -e 's/^'"${CT_TARGET}"'-/'"${CT_TARGET_ALIAS}"'-/;')

            CT_DoExecLog ALL ln -sv "${t}" "${_t}"

        fi

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

            _t=$(echo "$t" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")

            if [ "${_t}" = "${t}" ]; then

                CT_DoLog WARN "The sed expression '${CT_TARGET_ALIAS_SED_EXPR}' has no effect on '${t}'"

            else

                CT_DoExecLog ALL ln -sv "${t}" "${_t}"

            fi

        fi

    done

    CT_Popd

    # If using the companion libraries, we need a wrapper

    # that will set LD_LIBRARY_PATH approriately

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

        CT_DoLog EXTRA "Installing toolchain wrappers"

        CT_Pushd "${CT_PREFIX_DIR}/bin"

        case "$CT_SYS_OS" in

            Darwin|FreeBSD)

                # wrapper does not work (when using readlink -m)

                CT_DoLog WARN "Forcing usage of binary tool wrapper"

                CT_TOOLS_WRAPPER="exec"

                ;;

        esac

        # Install the wrapper

        case "${CT_TOOLS_WRAPPER}" in

            script)

                CT_DoExecLog DEBUG install                              \

                                   -m 0755                              \

                                   "${CT_LIB_DIR}/scripts/wrapper.in"   \

                                   ".${CT_TARGET}-wrapper"

                ;;

            exec)

                CT_DoExecLog DEBUG "${CT_HOST}-gcc"                           \

                                   -Wall -Wextra -Werror                      \

                                   -Os                                        \

                                   "${CT_LIB_DIR}/scripts/wrapper.c"          \

                                   -o ".${CT_TARGET}-wrapper"

                if [ "${CT_DEBUG_CT}" != "y" ]; then

                    # If not debugging crosstool-NG, strip the wrapper

                    CT_DoExecLog DEBUG "${CT_HOST}-strip" ".${CT_TARGET}-wrapper"

                fi

                ;;

        esac

        # Replace every tools with the wrapper

        # Do it unconditionally, even for those tools that happen to be shell

        # scripts, we don't know if they would in the end spawn a binary...

        # Just skip symlinks

        for _t in "${CT_TARGET}-"*; do

            if [ ! -L "${_t}" ]; then

                CT_DoExecLog ALL mv "${_t}" ".${_t}"

                CT_DoExecLog ALL ln ".${CT_TARGET}-wrapper" "${_t}"

            fi

        done

        # Get rid of the wrapper, we're using hardlinks

        CT_DoExecLog DEBUG rm -f ".${CT_TARGET}-wrapper"

        CT_Popd

    fi

    CT_DoLog EXTRA "Removing access to the build system tools"

    CT_DoExecLog DEBUG rm -rf "${CT_PREFIX_DIR}/buildtools"

    # Remove the generated documentation files

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

        CT_DoLog EXTRA "Removing installed documentation"

        CT_DoForceRmdir "${CT_PREFIX_DIR}/"{,usr/}{man,info}

        CT_DoForceRmdir "${CT_SYSROOT_DIR}/"{,usr/}{man,info}

        CT_DoForceRmdir "${CT_DEBUGROOT_DIR}/"{,usr/}{man,info}

    fi

    # Remove headers installed by native companion libraries

    CT_DoForceRmdir "${CT_PREFIX_DIR}/include"

    CT_EndStep

}