mgl@1371: # This file adds functions to build the Newlib C library
mgl@1467: # Copyright 2009 DoréDevelopment
mgl@1371: # Licensed under the GPL v2. See COPYING in the root of this package
mgl@1371: #
mgl@1467: # Edited by Martin Lund <mgl@doredevelopment.dk>
mgl@1371: #
mgl@1371: 
yann@1900: libc_newlib_version() {
yann@1593:     if [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then
yann@1900:         echo "${CT_LIBC_VERSION}"
yann@1593:     else
yann@1900:         echo "cvs${CT_LIBC_VERSION:+-${CT_LIBC_VERSION}}"
yann@1593:     fi
yann@1593: }
mgl@1371: 
mgl@1371: do_libc_get() {
yann@1930:     local libc_src
yann@1930:     local avr32headers_src
yann@1930:     local save_chunks
yann@1930: 
mgl@1371:     libc_src="ftp://sources.redhat.com/pub/newlib"
mgl@1373:     avr32headers_src="http://dev.doredevelopment.dk/avr32-toolchain/sources"
yann@1593: 
yann@1930:     save_chunks="${CT_DOWNLOAD_MAX_CHUNKS}"
yann@1930:     CT_DOWNLOAD_MAX_CHUNKS=1
yann@1930: 
yann@1593:     if [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then
yann@1593:         CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src}
yann@1593:     else
yann@1900:         CT_GetCVS "newlib-$(libc_newlib_version)"                   \
yann@1593:                   ":pserver:anoncvs@sources.redhat.com:/cvs/src"    \
yann@1593:                   "newlib"                                          \
yann@1593:                   "${CT_LIBC_VERSION}"                              \
yann@1900:                   "newlib-$(libc_newlib_version)=src"
yann@1593:     fi
mgl@1371: 
mgl@1373:     if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
mgl@1373:         CT_GetFile "avr32headers" ${avr32headers_src}
mgl@1373:     fi
yann@1930: 
yann@1930:     CT_DOWNLOAD_MAX_CHUNKS="${save_chunks}"
mgl@1371: }
mgl@1371: 
mgl@1371: do_libc_extract() {
yann@1900:     CT_Extract "newlib-$(libc_newlib_version)"
yann@1901:     CT_Patch "newlib" "$(libc_newlib_version)"
mgl@1371: 
mgl@1373:     if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
mgl@1373:         CT_Extract "avr32headers"
mgl@1373:     fi
mgl@1371: }
mgl@1371: 
mgl@1371: do_libc_check_config() {
mgl@1371:     :
mgl@1371: }
mgl@1371: 
mgl@1371: do_libc_headers() {
mgl@1371:     :
mgl@1371: }
mgl@1371: 
mgl@1371: do_libc_start_files() {
yann@2165:     local -a newlib_opts
yann@2165: 
mgl@1371:     CT_DoStep INFO "Installing C library"
mgl@1371: 
mgl@1371:     mkdir -p "${CT_BUILD_DIR}/build-libc"
mgl@1371:     cd "${CT_BUILD_DIR}/build-libc"
mgl@1371: 
mgl@1371:     CT_DoLog EXTRA "Configuring C library"
mgl@1371: 
yann@2165:     if [ "${CT_LIBC_NEWLIB_IO_FLOAT}" = "y" ]; then
yann@2165:         newlib_opts+=( "--enable-newlib-io-float" )
yann@2165:         if [ "${CT_LIBC_NEWLIB_IO_LDBL}" = "y" ]; then
yann@2165:             newlib_opts+=( "--enable-newlib-io-long-double" )
yann@2165:         else
yann@2165:             newlib_opts+=( "--disable-newlib-io-long-double" )
yann@2165:         fi
yann@2165:     else
yann@2165:         newlib_opts+=( "--disable-newlib-io-float" )
yann@2165:         newlib_opts+=( "--disable-newlib-io-long-double" )
yann@2165:     fi
yann@2165: 
yann@1588:     # Note: newlib handles the build/host/target a little bit differently
yann@1588:     # than one would expect:
yann@1588:     #   build  : not used
yann@1588:     #   host   : the machine building newlib
yann@1588:     #   target : the machine newlib runs on
yann@1593:     CC_FOR_BUILD="${CT_BUILD}-gcc"                      \
yann@1593:     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS} -O"          \
yann@1593:     AR=${CT_TARGET}-ar                                  \
yann@1593:     RANLIB=${CT_TARGET}-ranlib                          \
anthony@2154:     CT_DoExecLog CFG                                    \
yann@1900:     "${CT_SRC_DIR}/newlib-$(libc_newlib_version)/configure" \
yann@1593:         --host=${CT_BUILD}                              \
yann@1593:         --target=${CT_TARGET}                           \
yann@2165:         --prefix=${CT_PREFIX_DIR}                       \
yann@2165:         "${newlib_opts[@]}"
yann@1982: 
mgl@1371:     CT_DoLog EXTRA "Building C library"
yann@1982:     CT_DoExecLog ALL make ${PARALLELMFLAGS}
mgl@1371: 
mgl@1371:     CT_DoLog EXTRA "Installing C library"
mgl@1371:     CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
mgl@1371: 
mgl@1371:     CT_EndStep
mgl@1371: }
mgl@1371: 
yann@1982: do_libc() {
yann@1982:     :
yann@1982: }
yann@1982: 
mgl@1371: do_libc_finish() {
yann@1589:     CT_DoStep INFO "Finishing C library"
mgl@1373:     
mgl@1373:     if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
yann@1589:         CT_DoLog EXTRA "Installing Atmel's AVR32 headers"
mgl@1373:         CT_DoExecLog ALL cp -r ${CT_SRC_DIR}/avr32headers "${CT_PREFIX_DIR}/${CT_TARGET}/include/avr32"
mgl@1373:     fi
mgl@1373: 
mgl@1373:     CT_EndStep
mgl@1371: }