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libc/eglibc: cleanup common code for sharing with glibc
Some stuff is eglibc-specific, so needs to be conditonal. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
This commit is contained in:
Yann E. MORIN"
parent
cc0894e731
commit
b43ff236bb
@ -8,6 +8,8 @@ do_libc_headers() {
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# Build and install headers and start files
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do_libc_start_files() {
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local src_dir="${CT_SRC_DIR}/${CT_LIBC}-${CT_LIBC_VERSION}"
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CT_DoStep INFO "Installing C library headers / start files"
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mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
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@ -15,15 +17,19 @@ do_libc_start_files() {
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CT_DoLog EXTRA "Configuring C library"
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if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
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CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
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fi
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case "${CT_LIBC}" in
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eglibc)
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if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
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CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
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fi
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;;
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esac
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cross_cc=$(CT_Which "${CT_TARGET}-gcc")
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cross_cxx=$(CT_Which "${CT_TARGET}-g++")
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cross_ar=$(CT_Which "${CT_TARGET}-ar")
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cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib")
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CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
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CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'"
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CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"
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@ -35,7 +41,7 @@ do_libc_start_files() {
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AR=${cross_ar} \
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RANLIB=${cross_ranlib} \
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CT_DoExecLog CFG \
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"${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
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"${src_dir}/configure" \
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--prefix=/usr \
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--with-headers="${CT_HEADERS_DIR}" \
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--build="${CT_BUILD}" \
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@ -49,7 +55,6 @@ do_libc_start_files() {
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# use the 'install-headers' makefile target to install the
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# headers
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CT_DoExecLog ALL \
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make install-headers \
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install_root=${CT_SYSROOT_DIR} \
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@ -59,25 +64,29 @@ do_libc_start_files() {
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# there are a few object files needed to link shared libraries,
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# which we build and install by hand
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CT_DoExecLog ALL mkdir -p ${CT_SYSROOT_DIR}/usr/lib
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CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
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CT_DoExecLog ALL make csu/subdir_lib
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CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
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${CT_SYSROOT_DIR}/usr/lib
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"${CT_SYSROOT_DIR}/usr/lib"
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# Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
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# However, since we will never actually execute its code,
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# it doesn't matter what it contains. So, treating '/dev/null'
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# Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
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# However, since we will never actually execute its code,
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# it doesn't matter what it contains. So, treating '/dev/null'
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# as a C source file, we produce a dummy 'libc.so' in one step
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CT_DoExecLog ALL ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so
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CT_DoExecLog ALL "${cross_cc}" -nostdlib \
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-nostartfiles \
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-shared \
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-x c /dev/null \
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-o "${CT_SYSROOT_DIR}/usr/lib/libc.so"
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CT_EndStep
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}
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# This function builds and install the full C library
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do_libc() {
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local src_dir="${CT_SRC_DIR}/${CT_LIBC}-${CT_LIBC_VERSION}"
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local -a extra_config
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local -a extra_make_args
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CT_DoStep INFO "Installing C library"
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@ -86,15 +95,18 @@ do_libc() {
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CT_DoLog EXTRA "Configuring C library"
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if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
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CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
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fi
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if [ "${CT_EGLIBC_OPT_SIZE}" = "y" ]; then
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OPTIMIZE=-Os
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else
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OPTIMIZE=-O2
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fi
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case "${CT_LIBC}" in
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eglibc)
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if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
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CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
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fi
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if [ "${CT_EGLIBC_OPT_SIZE}" = "y" ]; then
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OPTIMIZE=-Os
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else
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OPTIMIZE=-O2
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fi
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;;
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esac
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# Add some default glibc config options if not given by user.
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# We don't need to be conditional on wether the user did set different
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@ -164,7 +176,7 @@ do_libc() {
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AR=${CT_TARGET}-ar \
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RANLIB=${CT_TARGET}-ranlib \
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CT_DoExecLog CFG \
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"${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
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"${src_dir}/configure" \
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--prefix=/usr \
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--with-headers="${CT_HEADERS_DIR}" \
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--build=${CT_BUILD} \
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@ -179,18 +191,23 @@ do_libc() {
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CT_DoLog EXTRA "Building C library"
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# eglibc build hacks
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# http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
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case "${CT_ARCH},${CT_ARCH_CPU}" in
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powerpc,8??)
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CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
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EGLIBC_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
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case "${CT_LIBC}" in
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eglibc)
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case "${CT_ARCH},${CT_ARCH_CPU}" in
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powerpc,8??)
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# http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
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CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
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extra_make_args+=( ASFLAGS="-DBROKEN_PPC_8xx_CPU15" )
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;;
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esac
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;;
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esac
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CT_DoExecLog ALL make ASFLAGS="${EGLIBC_BUILD_ASFLAGS}"
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CT_DoExecLog ALL make -j${CT_PARALLEL_JOBS} "${extra_make_args[@]}"
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CT_DoLog EXTRA "Installing C library"
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CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
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CT_DoExecLog ALL make install "${extra_make_args[@]}" install_root="${CT_SYSROOT_DIR}"
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CT_EndStep
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}
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