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# Build script for libelf
do_libelf_get() { :; }
do_libelf_extract() { :; }
do_libelf_for_host() { :; }
do_libelf_for_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
# Build libelf for running on host
do_libelf_for_host() {
local -a libelf_opts
CT_DoStep INFO "Installing libelf for host"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-libelf-host-${CT_HOST}"
libelf_opts+=( "host=${CT_HOST}" )
libelf_opts+=( "prefix=${CT_COMPLIBS_DIR}" )
libelf_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
do_libelf_backend "${libelf_opts[@]}"
CT_Popd
CT_EndStep
}
fi # CT_LIBELF
if [ "${CT_LIBELF_TARGET}" = "y" ]; then
do_libelf_for_target() {
local -a libelf_opts
CT_DoStep INFO "Installing libelf for the target"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-libelf-target-${CT_TARGET}"
libelf_opts+=( "destdir=${CT_SYSROOT_DIR}" )
libelf_opts+=( "host=${CT_TARGET}" )
libelf_opts+=( "prefix=/usr" )
libelf_opts+=( "shared=y" )
do_libelf_backend "${libelf_opts[@]}"
CT_Popd
CT_EndStep
}
fi # CT_LIBELF_TARGET
# Build libelf
# Parameter : description : type : default
# destdir : out-of-tree install dir : string : /
# host : machine to run on : tuple : (none)
# prefix : prefix to install into : dir : (none)
# cflags : host cflags to use : string : (empty)
# shared : also buils shared lib : bool : n
do_libelf_backend() {
local destdir="/"
local host
local prefix
local cflags
local shared
local -a extra_config
local arg
for arg in "$@"; do
eval "${arg// /\\ }"
done
CT_DoLog EXTRA "Configuring libelf"
if [ "${shared}" = "y" ]; then
extra_config+=( --enable-shared )
else
extra_config+=( --disable-shared )
fi
CT_DoExecLog CFG \
CC="${host}-gcc" \
RANLIB="${host}-ranlib" \
CFLAGS="${cflags} -fPIC" \
"${CT_SRC_DIR}/libelf-${CT_LIBELF_VERSION}/configure" \
--build=${CT_BUILD} \
--host=${host} \
--target=${CT_TARGET} \
--prefix="${prefix}" \
--enable-compat \
--enable-elf64 \
--enable-extended-format \
--enable-static \
"${extra_config[@]}"
CT_DoLog EXTRA "Building libelf"
CT_DoExecLog ALL make
CT_DoLog EXTRA "Installing libelf"
CT_DoExecLog ALL make instroot="${destdir}" install
}
fi # CT_LIBELF || CT_LIBELF_TARGET
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