# 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() {

    # Please note: because the file we download, and the file we store on the

    # file system don't have the same name, CT_GetFile will always try to

    # download the file over and over.

    # To avoid this, we check that the file we want already exists in the

    # tarball directory first. This is an ugly hack that overrides the standard

    # CT_GetFile behavior... Sight...

    lib_float_url="ftp://ftp.de.debian.org/debian/pool/main/libf/libfloat/"

    ext=`CT_GetFileExtension "${CT_LIBFLOAT_FILE}"`

    if [ -z "${ext}" ]; then

        CT_GetFile libfloat_990616.orig "${lib_float_url}"

        ext=`CT_GetFileExtension "libfloat_990616.orig"`

        # Hack: remove the .orig extension, and change _ to -

        mv -v "${CT_TARBALLS_DIR}/libfloat_990616.orig${ext}" \

              "${CT_TARBALLS_DIR}/libfloat-990616${ext}"      2>&1 |CT_DoLog DEBUG

    fi

}

# Extract libfloat

do_libfloat_extract() {

    [ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ] && CT_ExtractAndPatch "${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_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ] || return 0

	CT_DoStep INFO "Installing software floating point emulation library libfloat"

    CT_Pushd "${CT_BUILD_DIR}"

    CT_DoLog EXTRA "Copying sources to build dir"

    mkdir build-libfloat

    cd build-libfloat

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

    CT_DoLog EXTRA "Cleaning library"

    make clean 2>&1 |CT_DoLog DEBUG

    CT_DoLog EXTRA "Building library"

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

    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 DEBUG

    CT_Popd

    CT_EndStep

}

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

do_libfloat_get() {

    true

}

do_libfloat_extract() {

    true

}

do_libfloat() {

    true

}

fi