# This file adds functions to build libfloat

# Copyright 2007 Yann E. MORIN

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

# Define libfloat functions depending on wether it is selected or not

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

# Download libfloat

do_libfloat_get() {

    # Ah! libfloat separates the version string from the base name with

    # an underscore. We need to workaround this in a sane manner: soft link.

    local libfloat_file=`echo "${CT_LIBFLOAT_FILE}" |sed -r -e 's/^libfloat-/libfloat_/;'`

    CT_GetFile "${libfloat_file}"                                    \

               ftp://ftp.de.debian.org/debian/pool/main/libf/libfloat

    CT_Pushd "${CT_TARBALLS_DIR}"

    ext=`CT_GetFileExtension "${libfloat_file}"`

    ln -svf "${libfloat_file}${ext}" "${CT_LIBFLOAT_FILE}${ext}" |CT_DoLog DEBUG

    CT_Popd

}

# Extract libfloat

do_libfloat_extract() {

    CT_ExtractAndPatch "${CT_LIBFLOAT_FILE}"

}

# Build libfloat

do_libfloat() {

    # Here we build and install libfloat for the target, so that the C library

    # builds OK with those versions of gcc that have severed softfloat support

    # code

    CT_DoStep INFO "Installing software floating point emulation library libfloat"

    mkdir build-libfloat

    cd build-libfloat

    CT_Pushd "${CT_BUILD_DIR}"

    CT_DoLog EXTRA "Copying sources to build dir"

    ( cd "${CT_SRC_DIR}/${CT_LIBFLOAT_FILE}"; tar cf - . ) |tar xvf - |CT_DoLog ALL

    CT_DoLog EXTRA "Cleaning library"

    make clean 2>&1 |CT_DoLog ALL

    CT_DoLog EXTRA "Building library"

    make CROSS_COMPILE="${CT_CC_CORE_PREFIX_DIR}/bin/${CT_TARGET}-" 2>&1 |CT_DoLog ALL

    CT_DoLog EXTRA "Installing library"

    make CROSS_COMPILE="${CT_CC_CORE_PREFIX_DIR}/bin/${CT_TARGET}-" \

         DESTDIR="${CT_SYSROOT_DIR}" install                       2>&1 |CT_DoLog ALL

    CT_Popd

    CT_EndStep

}

else # "${CT_ARCH_FLOAT_SW_LIBFLOAT}" != "y"

do_libfloat_get() {

    true

}

do_libfloat_extract() {

    true

}

do_libfloat() {

    true

}

fi