# This file adds functions to build the Newlib C library # Copyright 2009 DoréDevelopment # Licensed under the GPL v2. See COPYING in the root of this package # # Edited by Martin Lund # LIBC_NEWLIB_AVR_HDRS_URI="http://www.atmel.com/Images" LIBC_NEWLIB_AVR_HDRS_BASE="avr-headers-3.2.3.970" LIBC_NEWLIB_AVR_HDRS_EXT=".zip" do_libc_get() { local libc_src="{http://mirrors.kernel.org/sourceware/newlib, ftp://sourceware.org/pub/newlib}" if [ "${CT_LIBC_NEWLIB_CUSTOM}" = "y" ]; then CT_GetCustom "newlib" "${CT_LIBC_NEWLIB_CUSTOM_VERSION}" \ "${CT_LIBC_NEWLIB_CUSTOM_LOCATION}" else # ! custom location if echo ${CT_LIBC_VERSION} |grep -q linaro; then YYMM=`echo ${CT_LIBC_VERSION} |cut -d- -f3 |sed -e 's,^..,,'` CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src} \ https://releases.linaro.org/${YYMM}/components/toolchain/newlib-linaro \ http://cbuild.validation.linaro.org/snapshots else CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src} \ http://mirrors.kernel.org/sources.redhat.com/newlib fi fi # ! custom location } do_libc_extract() { CT_Extract "newlib-${CT_LIBC_VERSION}" CT_Patch "newlib" "${CT_LIBC_VERSION}" if [ -n "${CT_ARCH_XTENSA_CUSTOM_NAME}" ]; then CT_ConfigureXtensa "newlib" "${CT_LIBC_VERSION}" fi } do_libc_start_files() { CT_DoStep INFO "Installing C library headers & start files" CT_DoExecLog ALL cp -a "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}/newlib/libc/include/." \ "${CT_HEADERS_DIR}" if [ "${CT_ARCH_xtensa}" = "y" ]; then CT_DoLog EXTRA "Installing Xtensa headers" CT_DoExecLog ALL cp -r "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}/newlib/libc/sys/xtensa/include/." \ "${CT_HEADERS_DIR}" fi CT_EndStep } do_libc() { local -a newlib_opts local cflags_for_target CT_DoStep INFO "Installing C library" mkdir -p "${CT_BUILD_DIR}/build-libc" cd "${CT_BUILD_DIR}/build-libc" CT_DoLog EXTRA "Configuring C library" # Multilib is the default, so if it is not enabled, disable it. if [ "${CT_MULTILIB}" != "y" ]; then extra_config+=("--disable-multilib") fi if [ "${CT_LIBC_NEWLIB_IO_FLOAT}" = "y" ]; then newlib_opts+=( "--enable-newlib-io-float" ) if [ "${CT_LIBC_NEWLIB_IO_LDBL}" = "y" ]; then newlib_opts+=( "--enable-newlib-io-long-double" ) else newlib_opts+=( "--disable-newlib-io-long-double" ) fi else newlib_opts+=( "--disable-newlib-io-float" ) newlib_opts+=( "--disable-newlib-io-long-double" ) fi if [ "${CT_LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS}" = "y" ]; then newlib_opts+=( "--disable-newlib-supplied-syscalls" ) else newlib_opts+=( "--enable-newlib-supplied-syscalls" ) fi yn_args="IO_POS_ARGS:newlib-io-pos-args IO_C99FMT:newlib-io-c99-formats IO_LL:newlib-io-long-long NEWLIB_REGISTER_FINI:newlib-register-fini NANO_MALLOC:newlib-nano-malloc NANO_FORMATTED_IO:newlib-nano-formatted-io ATEXIT_DYNAMIC_ALLOC:atexit-dynamic-alloc GLOBAL_ATEXIT:newlib-global-atexit LITE_EXIT:lite-exit REENT_SMALL:reent-small MULTITHREAD:multithread WIDE_ORIENT:newlib-wide-orient UNBUF_STREAM_OPT:unbuf-stream-opt ENABLE_TARGET_OPTSPACE:target-optspace " for ynarg in $yn_args; do var="CT_LIBC_NEWLIB_${ynarg%:*}" eval var=\$${var} argument=${ynarg#*:} if [ "${var}" = "y" ]; then newlib_opts+=( "--enable-$argument" ) else newlib_opts+=( "--disable-$argument" ) fi done [ "${CT_LIBC_NEWLIB_EXTRA_SECTIONS}" = "y" ] && \ CT_LIBC_NEWLIB_TARGET_CFLAGS="${CT_LIBC_NEWLIB_TARGET_CFLAGS} -ffunction-sections -fdata-sections" [ "${CT_LIBC_NEWLIB_LTO}" = "y" ] && \ CT_LIBC_NEWLIB_TARGET_CFLAGS="${CT_LIBC_NEWLIB_TARGET_CFLAGS} -flto" [ "${CT_LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE}" = "y" ] && newlib_opts+=("--enable-target-optspace") cflags_for_target="${CT_TARGET_CFLAGS} ${CT_LIBC_NEWLIB_TARGET_CFLAGS}" # Note: newlib handles the build/host/target a little bit differently # than one would expect: # build : not used # host : the machine building newlib # target : the machine newlib runs on CT_DoExecLog CFG \ CC_FOR_BUILD="${CT_BUILD}-gcc" \ CFLAGS_FOR_TARGET="${cflags_for_target}" \ AR_FOR_TARGET="`which ${CT_TARGET}-gcc-ar`" \ RANLIB_FOR_TARGET="`which ${CT_TARGET}-gcc-ranlib`" \ "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}/configure" \ --host=${CT_BUILD} \ --target=${CT_TARGET} \ --prefix=${CT_PREFIX_DIR} \ "${newlib_opts[@]}" \ "${CT_LIBC_NEWLIB_EXTRA_CONFIG_ARRAY[@]}" CT_DoLog EXTRA "Building C library" CT_DoExecLog ALL make ${JOBSFLAGS} CT_DoLog EXTRA "Installing C library" CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}" if [ "${CT_BUILD_MANUALS}" = "y" ]; then local -a doc_dir="${CT_BUILD_DIR}/build-libc/${CT_TARGET}" CT_DoLog EXTRA "Building and installing the C library manual" CT_DoExecLog ALL make pdf html # NEWLIB install-{pdf.html} fail for some versions CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/share/doc/newlib" CT_DoExecLog ALL cp -av "${doc_dir}/newlib/libc/libc.pdf" \ "${doc_dir}/newlib/libm/libm.pdf" \ "${doc_dir}/newlib/libc/libc.html" \ "${doc_dir}/newlib/libm/libm.html" \ "${CT_PREFIX_DIR}/share/doc/newlib" fi CT_EndStep } do_libc_post_cc() { : }