crosstool-ng/scripts/build/libfloat.sh

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# 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 "${libfloat_file}"`
ln -s "${libfloat_file}${ext}" "${CT_LIBFLOAT_FILE}${ext}"
CT_Popd
}
# Extract libfloat
do_libfloat_extract() {
CT_ExtractAndPatch "${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