# 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 <mgl@doredevelopment.dk>

 #

 libc_newlib_version() {

     if [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then

         echo "${CT_LIBC_VERSION}"

     else

         echo "cvs${CT_LIBC_VERSION:+-${CT_LIBC_VERSION}}"

     fi

 }

 do_libc_get() {

     local libc_src

     local avr32headers_src

     local save_chunks

     libc_src="ftp://sources.redhat.com/pub/newlib"

     avr32headers_src="http://dev.doredevelopment.dk/avr32-toolchain/sources"

     save_chunks="${CT_DOWNLOAD_MAX_CHUNKS}"

     CT_DOWNLOAD_MAX_CHUNKS=1

     if [ -z "${CT_LIBC_NEWLIB_CVS}" ]; then

         CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src}

     else

         CT_GetCVS "newlib-$(libc_newlib_version)"                   \

                   ":pserver:anoncvs@sources.redhat.com:/cvs/src"    \

                   "newlib"                                          \

                   "${CT_LIBC_VERSION}"                              \

                   "newlib-$(libc_newlib_version)=src"

     fi

     if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then

         CT_GetFile "avr32headers" ${avr32headers_src}

     fi

     CT_DOWNLOAD_MAX_CHUNKS="${save_chunks}"

 }

 do_libc_extract() {

     CT_Extract "newlib-$(libc_newlib_version)"

     CT_Patch "newlib" "$(libc_newlib_version)"

     if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then

         CT_Extract "avr32headers"

     fi

 }

 do_libc_check_config() {

     :

 }

 do_libc_headers() {

     :

 }

 do_libc_start_files() {

     local -a newlib_opts

     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"

     if [ "${CT_LIBC_NEWLIB_IO_LL}" = "y" ]; then

         newlib_opts+=( "--enable-newlib-io-long-long" )

     else

         newlib_opts+=( "--disable-newlib-io-long-long" )

     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

     # 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

     CC_FOR_BUILD="${CT_BUILD}-gcc"                      \

     CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS} -O"          \

     AR=${CT_TARGET}-ar                                  \

     RANLIB=${CT_TARGET}-ranlib                          \

     CT_DoExecLog CFG                                    \

     "${CT_SRC_DIR}/newlib-$(libc_newlib_version)/configure" \

         --host=${CT_BUILD}                              \

         --target=${CT_TARGET}                           \

         --prefix=${CT_PREFIX_DIR}                       \

         "${newlib_opts[@]}"

     CT_DoLog EXTRA "Building C library"

     CT_DoExecLog ALL make ${PARALLELMFLAGS}

     CT_DoLog EXTRA "Installing C library"

     CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"

     CT_EndStep

 }

 do_libc() {

     :

 }

 do_libc_finish() {

     CT_DoStep INFO "Finishing C library"

     if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then

         CT_DoLog EXTRA "Installing Atmel's AVR32 headers"

         CT_DoExecLog ALL cp -r ${CT_SRC_DIR}/avr32headers "${CT_PREFIX_DIR}/${CT_TARGET}/include/avr32"

     fi

     CT_EndStep

 }