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b00d3ef516
A few facts: - building the C library requires a proper core compiler - core compiler is issued from one of the core passes - the C library is required to build libstdc++ - newlib is only built for baremetal - in bare metal, the final compiler is issued from one of the core passes So we need to build the C library between core pass 1 and core pass 2. The only place is eithe libc_headers() or libc_start_files(). The most pertinent seems to be libc_start_files(). So we build newlib from libc_start_files(), and leave libc() empty.
107 lines
2.9 KiB
Bash
107 lines
2.9 KiB
Bash
# This file adds functions to build the Newlib C library
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# Copyright 2009 DoréDevelopment
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# Licensed under the GPL v2. See COPYING in the root of this package
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#
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# Edited by Martin Lund <mgl@doredevelopment.dk>
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#
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libc_newlib_version() {
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if [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then
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echo "${CT_LIBC_VERSION}"
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else
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echo "cvs${CT_LIBC_VERSION:+-${CT_LIBC_VERSION}}"
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fi
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}
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do_libc_get() {
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local libc_src
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local avr32headers_src
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local save_chunks
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libc_src="ftp://sources.redhat.com/pub/newlib"
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avr32headers_src="http://dev.doredevelopment.dk/avr32-toolchain/sources"
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save_chunks="${CT_DOWNLOAD_MAX_CHUNKS}"
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CT_DOWNLOAD_MAX_CHUNKS=1
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if [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then
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CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src}
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else
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CT_GetCVS "newlib-$(libc_newlib_version)" \
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":pserver:anoncvs@sources.redhat.com:/cvs/src" \
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"newlib" \
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"${CT_LIBC_VERSION}" \
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"newlib-$(libc_newlib_version)=src"
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fi
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if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
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CT_GetFile "avr32headers" ${avr32headers_src}
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fi
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CT_DOWNLOAD_MAX_CHUNKS="${save_chunks}"
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}
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do_libc_extract() {
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CT_Extract "newlib-$(libc_newlib_version)"
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CT_Patch "newlib" "$(libc_newlib_version)"
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if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
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CT_Extract "avr32headers"
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fi
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}
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do_libc_check_config() {
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:
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}
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do_libc_headers() {
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:
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}
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do_libc_start_files() {
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CT_DoStep INFO "Installing C library"
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mkdir -p "${CT_BUILD_DIR}/build-libc"
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cd "${CT_BUILD_DIR}/build-libc"
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CT_DoLog EXTRA "Configuring C library"
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# Note: newlib handles the build/host/target a little bit differently
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# than one would expect:
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# build : not used
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# host : the machine building newlib
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# target : the machine newlib runs on
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS} -O" \
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AR=${CT_TARGET}-ar \
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RANLIB=${CT_TARGET}-ranlib \
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CT_DoExecLog ALL \
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"${CT_SRC_DIR}/newlib-$(libc_newlib_version)/configure" \
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--host=${CT_BUILD} \
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--target=${CT_TARGET} \
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--prefix=${CT_PREFIX_DIR}
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CT_DoLog EXTRA "Building C library"
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CT_DoExecLog ALL make ${PARALLELMFLAGS}
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CT_DoLog EXTRA "Installing C library"
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CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
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CT_EndStep
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}
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do_libc() {
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:
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}
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do_libc_finish() {
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CT_DoStep INFO "Finishing C library"
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if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
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CT_DoLog EXTRA "Installing Atmel's AVR32 headers"
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CT_DoExecLog ALL cp -r ${CT_SRC_DIR}/avr32headers "${CT_PREFIX_DIR}/${CT_TARGET}/include/avr32"
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fi
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CT_EndStep
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}
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