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 [ "${CT_ARCH_FLOAT_SW_LIBFLOAT}" = "y" ]; then
# Download libfloat
do_libfloat_get() {
# Please note: because the file we download, and the file we store on the
# file system don't have the same name, CT_GetFile will always try to
# download the file over and over.
# To avoid this, we check that the file we want already exists in the
# tarball directory first. This is an ugly hack that overrides the standard
# CT_GetFile behavior... Sight...
lib_float_url="ftp://ftp.de.debian.org/debian/pool/main/libf/libfloat/"
ext=`CT_GetFileExtension "${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 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