1 # This file declares functions to install the uClibc C library
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
7 libc_src="http://www.uclibc.org/downloads
8 http://www.uclibc.org/downloads/snapshots
9 http://www.uclibc.org/downloads/old-releases"
10 # For uClibc, we have almost every thing: releases, and snapshots
11 # for the last month or so. We'll have to deal with svn revisions
13 CT_GetFile "uClibc-${CT_LIBC_VERSION}" ${libc_src}
15 if [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ]; then
16 CT_GetFile "uClibc-locale-030818" ${libc_src}
24 CT_Extract "uClibc-${CT_LIBC_VERSION}"
25 CT_Patch "uClibc-${CT_LIBC_VERSION}"
28 if [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ]; then
29 CT_Pushd "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}/extra/locale"
30 CT_Extract "uClibc-locale-030818" nochdir
31 CT_Patch "uClibc-locale-030818" nochdir
38 # Check that uClibc has been previously configured
39 do_libc_check_config() {
40 CT_DoStep INFO "Checking C library configuration"
42 CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
44 if grep -E '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
45 CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
46 CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
49 CT_DoLog EXTRA "Munging uClibc configuration"
50 mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_CONFIG_DIR}/uClibc.config"
55 # This functions installs uClibc's headers
59 CT_DoStep INFO "Installing C library headers"
61 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
62 cd "${CT_BUILD_DIR}/build-libc-headers"
64 # Simply copy files until uClibc has the ablity to build out-of-tree
65 CT_DoLog EXTRA "Copying sources to build dir"
66 tar cf - -C "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}" . |tar xf -
68 # Retrieve the config file
69 cp "${CT_CONFIG_DIR}/uClibc.config" .config
71 # uClibc uses the CROSS environment variable as a prefix to the
72 # compiler tools to use. Setting it to the empty string forces
73 # use of the native build host tools, which we need at this
74 # stage, as we don't have target tools yet.
75 CT_DoLog EXTRA "Applying configuration"
76 CT_DoYes "" |CT_DoExecLog ALL make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig
78 CT_DoLog EXTRA "Building headers"
79 CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers
81 if [ "${CT_LIBC_UCLIBC_0_9_30_or_later}" = "y" ]; then
82 install_rule=install_headers
84 install_rule=install_dev
87 CT_DoLog EXTRA "Installing headers"
88 CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" "${install_rule}"
93 # Build and install start files
94 do_libc_start_files() {
98 # This function build and install the full uClibc
100 CT_DoStep INFO "Installing C library"
102 mkdir -p "${CT_BUILD_DIR}/build-libc"
103 cd "${CT_BUILD_DIR}/build-libc"
105 # Simply copy files until uClibc has the ablity to build out-of-tree
106 CT_DoLog EXTRA "Copying sources to build dir"
107 tar cf - -C "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}" . |tar xf -
109 # Retrieve the config file
110 cp "${CT_CONFIG_DIR}/uClibc.config" .config
112 # uClibc uses the CROSS environment variable as a prefix to the compiler
113 # tools to use. The newly built tools should be in our path, so we need
114 # only give the correct name for them.
115 # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
116 # depending on the configuration of the library. That is, they are tailored
117 # to best fit the target. So it is useless and seems to be a bad thing to
118 # use LIBC_EXTRA_CFLAGS here.
119 CT_DoLog EXTRA "Applying configuration"
120 CT_DoYes "" |CT_DoExecLog ALL \
121 make CROSS=${CT_TARGET}- \
122 PREFIX="${CT_SYSROOT_DIR}/" \
125 # We do _not_ want to strip anything for now, in case we specifically
126 # asked for a debug toolchain, thus the STRIPTOOL= assignment
127 # /Old/ versions can not build in //
128 CT_DoLog EXTRA "Building C library"
130 make ${CT_LIBC_UCLIBC_PARALLEL:+${PARALLELMFLAGS}} \
131 CROSS=${CT_TARGET}- \
132 PREFIX="${CT_SYSROOT_DIR}/" \
134 ${CT_LIBC_UCLIBC_VERBOSITY} \
138 # - we want to install 'runtime' files, eg. lib*.{a,so*}, crti.o and
139 # such files, except the headers as they already are installed
140 # - "make install_dev" installs the headers, the crti.o... and the
141 # static libs, but not the dynamic libs
142 # - "make install_runtime" installs the dynamic libs only
143 # - "make install" calls install_runtime and install_dev
144 # - so we're left with re-installing the headers... Sigh...
146 # We do _not_ want to strip anything for now, in case we specifically
147 # asked for a debug toolchain, hence the STRIPTOOL= assignment
149 # Note: PARALLELMFLAGS is not usefull for installation.
151 CT_DoLog EXTRA "Installing C library"
153 make CROSS=${CT_TARGET}- \
154 PREFIX="${CT_SYSROOT_DIR}/" \
156 ${CT_LIBC_UCLIBC_VERBOSITY} \
159 if [ "${CT_LIBC_UCLIBC_BUILD_CROSS_LDD}" = "y" ]; then
160 CT_DoLog EXTRA "Building C library cross-ldd"
162 make PREFIX="${CT_SYSROOT_DIR}/" \
163 ${CT_LIBC_UCLIBC_VERBOSITY} \
166 CT_DoLog EXTRA "Installing C library cross-ldd"
167 CT_DoExecLog ALL install -m 0755 utils/ldd.host "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ldd"
173 # This function is used to install those components needing the final C compiler
178 # Initialises the .config file to sensible values
181 mungeuClibcConfig() {
184 munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
186 # Start with a fresh file
187 rm -f "${munge_file}"
188 touch "${munge_file}"
190 # Do it all in a sub-shell, it's easier to redirect output
193 # Hack our target in the config file.
194 # Also remove stripping: its the responsibility of the
195 # firmware builder to strip or not.
197 s/^(TARGET_.*)=y$/# \\1 is not set/
198 s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
199 s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
200 s/.*(DOSTRIP).*/# \\1 is not set/
203 # Ah. We may one day need architecture-specific handler here...
204 # Hack the ARM {E,O}ABI into the config file
205 if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
207 s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
208 s/.*(CONFIG_ARM_EABI).*/\\1=y/
212 s/.*(CONFIG_ARM_OABI).*/\\1=y/
213 s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
217 # Accomodate for old and new uClibc versions, where the
218 # way to select between big/little endian has changed
219 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
221 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
222 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
223 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
224 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
228 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
229 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
230 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
231 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
236 # Accomodate for old and new uClibc version, where the
237 # way to select between hard/soft float has changed
238 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
240 s/^[^_]*(HAS_FPU).*/\\1=y/
241 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
245 s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
246 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
251 # Change paths to work with crosstool-NG
252 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
253 # " we just want the kernel headers, not the whole kernel source ...
254 # " so people may need to update their paths slightly
255 quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
256 quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
257 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
258 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
259 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
260 # newer versions use KERNEL_HEADERS (which is right).
262 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
263 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
264 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
265 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
266 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
267 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
270 if [ "${CT_USE_PIPES}" = "y" ]; then
271 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
272 # Good, there is special provision for such things as -pipe!
274 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
277 # Hack our -pipe into WARNINGS, which will be internally incorporated to
278 # CFLAGS. This a dirty hack, but yet needed
280 s/^(WARNINGS=".*)"$/\\1 -pipe"/
286 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
287 # entirely if LOCALE is not set. If LOCALE was already set, we'll
288 # assume the user has already made all the appropriate generation
289 # arrangements. Note that having the uClibc Makefile download the
290 # pregenerated locales is not compatible with crosstool; besides,
291 # crosstool downloads them as part of getandpatch.sh.
292 if [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] ; then
294 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
295 UCLIBC_PREGENERATED_LOCALE_DATA=y\\
296 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
297 # UCLIBC_HAS_XLOCALE is not set/
302 if [ "${CT_LIBC_UCLIBC_WCHAR}" = "y" ] ; then
304 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=y/
308 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=n/
312 # Force on options needed for C++ if we'll be making a C++ compiler.
313 # I'm not sure locales are a requirement for doing C++... Are they?
314 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
316 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
317 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
318 s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
322 # Always build the libpthread_db
324 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
327 # Force on debug options if asked for
328 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
331 s/^DODEBUG=y/# DODEBUG is not set/
332 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
333 s/^DOASSERTS=y/# DOASSERTS is not set/
334 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
335 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
336 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
341 s/^# DODEBUG is not set.*/DODEBUG=y/
342 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
343 s/^DOASSERTS=y/# DOASSERTS is not set/
344 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
345 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
346 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
351 s/^# DODEBUG is not set.*/DODEBUG=y/
352 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
353 s/^# DOASSERTS is not set.*/DOASSERTS=y/
354 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
355 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
356 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
361 # And now, this is the end
364 sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"