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>
9 local libc_src="ftp://sourceware.org/pub/newlib"
10 local avr32headers_src="http://www.atmel.com/Images"
11 avr32headers_base="avr-headers-3.2.3.970" # used below
12 local avr32headers_ext=".zip"
14 if [ "${CT_LIBC_NEWLIB_CUSTOM}" = "y" ]; then
15 CT_GetCustom "newlib" "${CT_LIBC_VERSION}" \
16 "${CT_LIBC_NEWLIB_CUSTOM_LOCATION}"
17 else # ! custom location
18 CT_GetFile "newlib-${CT_LIBC_VERSION}" ${libc_src}
19 fi # ! custom location
21 if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
22 CT_GetFile ${avr32headers_base} ${avr32headers_ext} ${avr32headers_src}
27 # If using custom directory location, nothing to do
28 if [ "${CT_LIBC_NEWLIB_CUSTOM}" != "y" \
29 -a -d "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}" ]; then
33 CT_Extract "newlib-${CT_LIBC_VERSION}"
34 CT_Patch "newlib" "${CT_LIBC_VERSION}"
36 if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
37 # The avr32header zip file extracts to avr32/*.h
38 # Put that in its directory, the same as normal tarballs
39 CT_Extract ${avr32headers_base} -d ${CT_SRC_DIR}/${avr32headers_base}
43 do_libc_check_config() {
47 do_libc_start_files() {
48 if [ "${CT_ATMEL_AVR32_HEADERS}" = "y" ]; then
49 CT_DoStep INFO "Installing C library headers & start files"
51 CT_DoLog EXTRA "Installing Atmel's AVR32 headers"
52 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/${CT_TARGET}/include"
53 CT_DoExecLog ALL cp -r "${CT_SRC_DIR}/${avr32headers_base}/avr32" \
54 "${CT_PREFIX_DIR}/${CT_TARGET}/include/"
63 CT_DoStep INFO "Installing C library"
65 mkdir -p "${CT_BUILD_DIR}/build-libc"
66 cd "${CT_BUILD_DIR}/build-libc"
68 CT_DoLog EXTRA "Configuring C library"
70 if [ "${CT_LIBC_NEWLIB_IO_C99FMT}" = "y" ]; then
71 newlib_opts+=( "--enable-newlib-io-c99-formats" )
73 newlib_opts+=( "--disable-newlib-io-c99-formats" )
75 if [ "${CT_LIBC_NEWLIB_IO_LL}" = "y" ]; then
76 newlib_opts+=( "--enable-newlib-io-long-long" )
78 newlib_opts+=( "--disable-newlib-io-long-long" )
80 if [ "${CT_LIBC_NEWLIB_IO_FLOAT}" = "y" ]; then
81 newlib_opts+=( "--enable-newlib-io-float" )
82 if [ "${CT_LIBC_NEWLIB_IO_LDBL}" = "y" ]; then
83 newlib_opts+=( "--enable-newlib-io-long-double" )
85 newlib_opts+=( "--disable-newlib-io-long-double" )
88 newlib_opts+=( "--disable-newlib-io-float" )
89 newlib_opts+=( "--disable-newlib-io-long-double" )
91 if [ "${CT_LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS}" = "y" ]; then
92 newlib_opts+=( "--disable-newlib-supplied-syscalls" )
94 newlib_opts+=( "--enable-newlib-supplied-syscalls" )
97 [ "${CT_LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE}" = "y" ] && newlib_opts+=("--enable-target-optspace")
99 # Note: newlib handles the build/host/target a little bit differently
100 # than one would expect:
102 # host : the machine building newlib
103 # target : the machine newlib runs on
105 CC_FOR_BUILD="${CT_BUILD}-gcc" \
106 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
108 RANLIB=${CT_TARGET}-ranlib \
109 "${CT_SRC_DIR}/newlib-${CT_LIBC_VERSION}/configure" \
111 --target=${CT_TARGET} \
112 --prefix=${CT_PREFIX_DIR} \
113 "${newlib_opts[@]}" \
114 "${CT_LIBC_NEWLIB_EXTRA_CONFIG_ARRAY[@]}"
116 CT_DoLog EXTRA "Building C library"
117 CT_DoExecLog ALL make ${JOBSFLAGS}
119 CT_DoLog EXTRA "Installing C library"
120 CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
122 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
123 local -a doc_dir="${CT_BUILD_DIR}/build-libc/${CT_TARGET}"
125 CT_DoLog EXTRA "Building and installing the C library manual"
126 CT_DoExecLog ALL make pdf html
128 # NEWLIB install-{pdf.html} fail for some versions
129 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/share/doc/newlib"
130 CT_DoExecLog ALL cp -av "${doc_dir}/newlib/libc/libc.pdf" \
131 "${doc_dir}/newlib/libm/libm.pdf" \
132 "${doc_dir}/newlib/libc/libc.html" \
133 "${doc_dir}/newlib/libm/libm.html" \
134 "${CT_PREFIX_DIR}/share/doc/newlib"