1 # This file adds functions to build the Newlib C library
2 # Copyright 2009 DoréDevelopment
3 # Licensed under the GPL v2. See COPYING in the root of this package
5 # Edited by Martin Lund <mgl@doredevelopment.dk>
10 local avr32headers_src
12 libc_src="ftp://sourceware.org/pub/newlib"
13 avr32headers_src="http://dev.doredevelopment.dk/avr32-toolchain/sources"
15 if [ "${CT_LIBC_NEWLIB_CUSTOM}" = "y" ]; then
16 CT_GetCustom "newlib" "${CT_LIBC_VERSION}" \
17 "${CT_LIBC_NEWLIB_CUSTOM_LOCATION}"
18 else # ! custom location
19 CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src}
20 fi # ! custom location
22 if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
23 CT_GetFile "avr32headers" ${avr32headers_src}
28 # If using custom directory location, nothing to do
29 if [ "${CT_LIBC_NEWLIB_CUSTOM}" != "y" \
30 -a -d "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}" ]; then
34 CT_Extract "newlib-${CT_LIBC_VERSION}"
35 CT_Patch "newlib" "${CT_LIBC_VERSION}"
37 if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
38 CT_Extract "avr32headers"
42 do_libc_check_config() {
46 do_libc_start_files() {
47 if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
48 CT_DoStep INFO "Installing C library headers & start files"
50 CT_DoLog EXTRA "Installing Atmel's AVR32 headers"
51 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/${CT_TARGET}/include"
52 CT_DoExecLog ALL cp -r "${CT_SRC_DIR}/avr32headers" \
53 "${CT_PREFIX_DIR}/${CT_TARGET}/include/avr32"
62 CT_DoStep INFO "Installing C library"
64 mkdir -p "${CT_BUILD_DIR}/build-libc"
65 cd "${CT_BUILD_DIR}/build-libc"
67 CT_DoLog EXTRA "Configuring C library"
69 if [ "${CT_LIBC_NEWLIB_IO_C99FMT}" = "y" ]; then
70 newlib_opts+=( "--enable-newlib-io-c99-formats" )
72 newlib_opts+=( "--disable-newlib-io-c99-formats" )
74 if [ "${CT_LIBC_NEWLIB_IO_LL}" = "y" ]; then
75 newlib_opts+=( "--enable-newlib-io-long-long" )
77 newlib_opts+=( "--disable-newlib-io-long-long" )
79 if [ "${CT_LIBC_NEWLIB_IO_FLOAT}" = "y" ]; then
80 newlib_opts+=( "--enable-newlib-io-float" )
81 if [ "${CT_LIBC_NEWLIB_IO_LDBL}" = "y" ]; then
82 newlib_opts+=( "--enable-newlib-io-long-double" )
84 newlib_opts+=( "--disable-newlib-io-long-double" )
87 newlib_opts+=( "--disable-newlib-io-float" )
88 newlib_opts+=( "--disable-newlib-io-long-double" )
90 if [ "${CT_LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS}" = "y" ]; then
91 newlib_opts+=( "--disable-newlib-supplied-syscalls" )
93 newlib_opts+=( "--enable-newlib-supplied-syscalls" )
96 [ "${CT_LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE}" = "y" ] && newlib_opts+=("--enable-target-optspace")
98 # Note: newlib handles the build/host/target a little bit differently
99 # than one would expect:
101 # host : the machine building newlib
102 # target : the machine newlib runs on
104 CC_FOR_BUILD="${CT_BUILD}-gcc" \
105 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
107 RANLIB=${CT_TARGET}-ranlib \
108 "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}/configure" \
110 --target=${CT_TARGET} \
111 --prefix=${CT_PREFIX_DIR} \
112 "${newlib_opts[@]}" \
113 "${CT_LIBC_NEWLIB_EXTRA_CONFIG_ARRAY[@]}"
115 CT_DoLog EXTRA "Building C library"
116 CT_DoExecLog ALL make ${JOBSFLAGS}
118 CT_DoLog EXTRA "Installing C library"
119 CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
121 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
122 local -a doc_dir="${CT_BUILD_DIR}/build-libc/${CT_TARGET}"
124 CT_DoLog EXTRA "Building and installing the C library manual"
125 CT_DoExecLog ALL make pdf html
127 # NEWLIB install-{pdf.html} fail for some versions
128 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/share/doc/newlib"
129 CT_DoExecLog ALL cp -av "${doc_dir}/newlib/libc/libc.pdf" \
130 "${doc_dir}/newlib/libm/libm.pdf" \
131 "${doc_dir}/newlib/libc/libc.html" \
132 "${doc_dir}/newlib/libm/libm.html" \
133 "${CT_PREFIX_DIR}/share/doc/newlib"