crosstool-ng/scripts/build/companion_libs/libelf.sh
Yann E. MORIN" b0c69b3cdc complibs/libelf: build with -fPIC
libelf is used by gcc to build the lto-plugin used
by binutils' gold to perform LTO.

This requires that files in libelf be compiled with
-fPIC to generate a proper .so.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
2010-12-29 02:34:18 +01:00

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# Build script for libelf
do_libelf_get() { :; }
do_libelf_extract() { :; }
do_libelf() { :; }
do_libelf_target() { :; }
if [ "${CT_LIBELF}" = "y" -o "${CT_LIBELF_TARGET}" = "y" ]; then
do_libelf_get() {
# The server hosting libelf will return an "HTTP 300 : Multiple Choices"
# error code if we try to download a file that does not exists there.
# So we have to request the file with an explicit extension.
CT_GetFile "libelf-${CT_LIBELF_VERSION}" .tar.gz http://www.mr511.de/software/
}
do_libelf_extract() {
CT_Extract "libelf-${CT_LIBELF_VERSION}"
CT_Patch "libelf" "${CT_LIBELF_VERSION}"
}
if [ "${CT_LIBELF}" = "y" ]; then
do_libelf() {
local -a libelf_opts
CT_DoStep INFO "Installing libelf"
mkdir -p "${CT_BUILD_DIR}/build-libelf"
CT_Pushd "${CT_BUILD_DIR}/build-libelf"
CT_DoLog EXTRA "Configuring libelf"
if [ "${CT_COMPLIBS_SHARED}" = "y" ]; then
libelf_opts+=( --enable-shared --disable-static )
else
libelf_opts+=( --disable-shared --enable-static )
fi
CC="${CT_HOST}-gcc" \
CFLAGS="-fPIC" \
CT_DoExecLog CFG \
"${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure" \
--build=${CT_BUILD} \
--host=${CT_HOST} \
--target=${CT_TARGET} \
--prefix="${CT_COMPLIBS_DIR}" \
--enable-compat \
--enable-elf64 \
--enable-extended-format \
"${libelf_opts[@]}"
CT_DoLog EXTRA "Building libelf"
CT_DoExecLog ALL make
CT_DoLog EXTRA "Installing libelf"
CT_DoExecLog ALL make install
CT_Popd
CT_EndStep
}
fi # CT_LIBELF
if [ "${CT_LIBELF_TARGET}" = "y" ]; then
do_libelf_target() {
CT_DoStep INFO "Installing libelf for the target"
mkdir -p "${CT_BUILD_DIR}/build-libelf-for-target"
CT_Pushd "${CT_BUILD_DIR}/build-libelf-for-target"
CT_DoLog EXTRA "Configuring libelf"
CC="${CT_TARGET}-gcc" \
CFLAGS="-fPIC" \
CT_DoExecLog ALL \
"${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure" \
--build=${CT_BUILD} \
--host=${CT_TARGET} \
--target=${CT_TARGET} \
--prefix=/usr \
--enable-compat \
--enable-elf64 \
--enable-shared \
--enable-extended-format \
--enable-static
CT_DoLog EXTRA "Building libelf"
CT_DoExecLog ALL make
CT_DoLog EXTRA "Installing libelf"
CT_DoExecLog ALL make instroot="${CT_SYSROOT_DIR}" install
CT_Popd
CT_EndStep
}
fi # CT_LIBELF_TARGET
fi # CT_LIBELF || CT_LIBELF_TARGET