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
5 # This is a constant because it does not change very often.
6 # We're in 2010, and are still using data from 7 years ago.
7 uclibc_locales_version=030818
8 uclibc_local_tarball="uClibc-locales-${uclibc_locale_version}"
12 libc_src="http://www.uclibc.org/downloads
13 http://www.uclibc.org/downloads/snapshots
14 http://www.uclibc.org/downloads/old-releases"
15 # For uClibc, we have almost every thing: releases, and snapshots
16 # for the last month or so. We'll have to deal with svn revisions
18 CT_GetFile "uClibc-${CT_LIBC_VERSION}" ${libc_src}
20 if [ "${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" = "y" ]; then
21 CT_GetFile "${uclibc_local_tarball}" ${libc_src}
27 libc_uclibc_src_dir() {
28 if [ -z "${CT_LIBC_V_snapshot}" \
29 -a -z "${CT_LIBC_V_specific_date}" \
31 echo "${CT_SRC_DIR}/uClibc-${CT_LIBC_VERSION}"
33 echo "${CT_SRC_DIR}/uClibc"
39 CT_Extract "uClibc-${CT_LIBC_VERSION}"
40 # Don't patch snapshots
41 if [ -z "${CT_LIBC_V_snapshot}" \
42 -a -z "${CT_LIBC_V_specific_date}" \
44 CT_Patch "uClibc" "${CT_LIBC_VERSION}"
48 # Extracting pregen locales ourselves is kinda
49 # broken, so just link it in place...
50 if [ "${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" = "y" \
51 -a ! -f "${CT_SRC_DIR}/.${uclibc_local_tarball}.extracted" ]; then
52 CT_Pushd "$(libc_uclibc_src_dir)/extra/locale"
53 CT_DoExecLog ALL ln -s "${CT_TARBALLS_DIR}/${uclibc_local_tarball}.tgz" .
55 touch "${CT_SRC_DIR}/.${uclibc_local_tarball}.extracted"
61 # Check that uClibc has been previously configured
62 do_libc_check_config() {
63 CT_DoStep INFO "Checking C library configuration"
65 CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
67 if grep -E '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
68 CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
69 CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
72 CT_DoLog EXTRA "Munging uClibc configuration"
73 mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_CONFIG_DIR}/uClibc.config"
78 # This functions installs uClibc's headers
83 CT_DoStep INFO "Installing C library headers"
85 # Simply copy files until uClibc has the ability to build out-of-tree
86 CT_DoLog EXTRA "Copying sources to build dir"
87 CT_DoExecLog ALL cp -av "$(libc_uclibc_src_dir)" \
88 "${CT_BUILD_DIR}/build-libc-headers"
89 cd "${CT_BUILD_DIR}/build-libc-headers"
91 # Retrieve the config file
92 CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/uClibc.config" .config
94 # uClibc uses the CROSS environment variable as a prefix to the
95 # compiler tools to use. Setting it to the empty string forces
96 # use of the native build host tools, which we need at this
97 # stage, as we don't have target tools yet.
98 # BUT! With NPTL, we need a cross-compiler (and we have it)
99 if [ "${CT_THREADS}" = "nptl" ]; then
100 cross="${CT_TARGET}-"
103 # Force the date of the pregen locale data, as the
104 # newer ones that are referenced are not available
105 CT_DoLog EXTRA "Applying configuration"
106 CT_DoYes "" |CT_DoExecLog ALL \
107 make CROSS="${cross}" \
108 PREFIX="${CT_SYSROOT_DIR}/" \
109 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
112 CT_DoLog EXTRA "Building headers"
114 make ${CT_LIBC_UCLIBC_VERBOSITY} \
116 PREFIX="${CT_SYSROOT_DIR}/" \
117 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
120 if [ "${CT_LIBC_UCLIBC_0_9_30_or_later}" = "y" ]; then
121 install_rule=install_headers
123 install_rule=install_dev
126 CT_DoLog EXTRA "Installing headers"
128 make ${CT_LIBC_UCLIBC_VERBOSITY} \
130 PREFIX="${CT_SYSROOT_DIR}/" \
131 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
134 if [ "${CT_THREADS}" = "nptl" ]; then
135 CT_DoLog EXTRA "Building start files"
137 make ${CT_LIBC_UCLIBC_PARALLEL:+${PARALLELMFLAGS}} \
139 PREFIX="${CT_SYSROOT_DIR}/" \
141 ${CT_LIBC_UCLIBC_VERBOSITY} \
142 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
143 lib/crt1.o lib/crti.o lib/crtn.o
145 # From: http://git.openembedded.org/cgit.cgi/openembedded/commit/?id=ad5668a7ac7e0436db92e55caaf3fdf782b6ba3b
146 # libm.so is needed for ppc, as libgcc is linked against libm.so
147 # No problem to create it for other archs.
148 CT_DoLog EXTRA "Building dummy shared libs"
149 CT_DoExecLog ALL "${cross}gcc" -nostdlib \
155 CT_DoLog EXTRA "Installing start files"
156 CT_DoExecLog ALL install -m 0644 lib/crt1.o lib/crti.o lib/crtn.o \
157 "${CT_SYSROOT_DIR}/usr/lib"
159 CT_DoLog EXTRA "Installing dummy shared libs"
160 CT_DoExecLog ALL install -m 0755 libdummy.so "${CT_SYSROOT_DIR}/usr/lib/libc.so"
161 CT_DoExecLog ALL install -m 0755 libdummy.so "${CT_SYSROOT_DIR}/usr/lib/libm.so"
162 fi # CT_THREADS == nptl
167 # Build and install start files
168 do_libc_start_files() {
172 # This function build and install the full uClibc
174 CT_DoStep INFO "Installing C library"
176 # Simply copy files until uClibc has the ability to build out-of-tree
177 CT_DoLog EXTRA "Copying sources to build dir"
178 CT_DoExecLog ALL cp -av "$(libc_uclibc_src_dir)" \
179 "${CT_BUILD_DIR}/build-libc"
180 cd "${CT_BUILD_DIR}/build-libc"
182 # Retrieve the config file
183 CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/uClibc.config" .config
185 # uClibc uses the CROSS environment variable as a prefix to the compiler
186 # tools to use. The newly built tools should be in our path, so we need
187 # only give the correct name for them.
188 # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
189 # depending on the configuration of the library. That is, they are tailored
190 # to best fit the target. So it is useless and seems to be a bad thing to
191 # use LIBC_EXTRA_CFLAGS here.
192 CT_DoLog EXTRA "Applying configuration"
193 CT_DoYes "" |CT_DoExecLog ALL \
194 make CROSS=${CT_TARGET}- \
195 PREFIX="${CT_SYSROOT_DIR}/" \
196 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
199 # We do _not_ want to strip anything for now, in case we specifically
200 # asked for a debug toolchain, thus the STRIPTOOL= assignment
201 # /Old/ versions can not build in //
202 CT_DoLog EXTRA "Building C library"
205 CROSS=${CT_TARGET}- \
206 PREFIX="${CT_SYSROOT_DIR}/" \
208 ${CT_LIBC_UCLIBC_VERBOSITY} \
209 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
212 make ${CT_LIBC_UCLIBC_PARALLEL:+${PARALLELMFLAGS}} \
213 CROSS=${CT_TARGET}- \
214 PREFIX="${CT_SYSROOT_DIR}/" \
216 ${CT_LIBC_UCLIBC_VERBOSITY} \
217 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
221 # - we want to install 'runtime' files, eg. lib*.{a,so*}, crti.o and
222 # such files, except the headers as they already are installed
223 # - "make install_dev" installs the headers, the crti.o... and the
224 # static libs, but not the dynamic libs
225 # - "make install_runtime" installs the dynamic libs only
226 # - "make install" calls install_runtime and install_dev
227 # - so we're left with re-installing the headers... Sigh...
229 # We do _not_ want to strip anything for now, in case we specifically
230 # asked for a debug toolchain, hence the STRIPTOOL= assignment
232 # Note: PARALLELMFLAGS is not usefull for installation.
234 CT_DoLog EXTRA "Installing C library"
236 make CROSS=${CT_TARGET}- \
237 PREFIX="${CT_SYSROOT_DIR}/" \
239 ${CT_LIBC_UCLIBC_VERBOSITY} \
240 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
246 # This function is used to install those components needing the final C compiler
251 # Initialises the .config file to sensible values
254 mungeuClibcConfig() {
257 munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
259 # Start with a fresh file
260 rm -f "${munge_file}"
261 touch "${munge_file}"
263 # Do it all in a sub-shell, it's easier to redirect output
266 # Hack our target in the config file.
267 case "${CT_ARCH}:${CT_ARCH_BITNESS}" in
269 x86:64) arch=x86_64;;
272 blackfin:32) arch="bfin";;
273 *) arch="${CT_ARCH}";;
275 # Also remove stripping: its the responsibility of the
276 # firmware builder to strip or not.
278 s/^(TARGET_.*)=y$/# \\1 is not set/
279 s/^# TARGET_${arch} is not set/TARGET_${arch}=y/
280 s/^TARGET_ARCH=".*"/TARGET_ARCH="${arch}"/
281 s/.*(DOSTRIP).*/# \\1 is not set/
284 # Ah. We may one day need architecture-specific handler here...
285 if [ "${CT_ARCH}" = "arm" ]; then
286 # Hack the ARM {E,O}ABI into the config file
287 if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
289 s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
290 s/.*(CONFIG_ARM_EABI).*/\\1=y/
294 s/.*(CONFIG_ARM_OABI).*/\\1=y/
295 s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
300 # Accomodate for old and new uClibc versions, where the
301 # way to select between big/little endian has changed
302 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
304 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
305 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
306 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
307 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
311 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
312 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
313 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
314 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
319 # Accomodate for old and new uClibc version, where the
320 # way to select between hard/soft float has changed
321 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
323 s/^[^_]*(HAS_FPU).*/\\1=y/
324 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
328 s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
329 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
334 # Change paths to work with crosstool-NG
335 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
336 # " we just want the kernel headers, not the whole kernel source ...
337 # " so people may need to update their paths slightly
338 quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
339 quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
340 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
341 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
342 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
343 # newer versions use KERNEL_HEADERS (which is right).
345 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
346 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
347 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
348 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
349 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
350 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
353 if [ "${CT_USE_PIPES}" = "y" ]; then
354 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
355 # Good, there is special provision for such things as -pipe!
357 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
360 # Hack our -pipe into WARNINGS, which will be internally incorporated to
361 # CFLAGS. This a dirty hack, but yet needed
363 s/^(WARNINGS=".*)"$/\\1 -pipe"/
369 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
370 # entirely if LOCALE is not set. If LOCALE was already set, we'll
371 # assume the user has already made all the appropriate generation
372 # arrangements. Note that having the uClibc Makefile download the
373 # pregenerated locales is not compatible with crosstool; besides,
374 # crosstool downloads them as part of getandpatch.sh.
375 case "${CT_LIBC_UCLIBC_LOCALES}:${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" in
380 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
381 # UCLIBC_PREGENERATED_LOCALE_DATA is not set\\
382 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
383 # UCLIBC_HAS_XLOCALE is not set/
388 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
389 UCLIBC_PREGENERATED_LOCALE_DATA=y\\
390 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
391 # UCLIBC_HAS_XLOCALE is not set/
397 if [ "${CT_LIBC_UCLIBC_WCHAR}" = "y" ] ; then
399 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=y/
403 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=n/
407 # Force on options needed for C++ if we'll be making a C++ compiler.
408 # I'm not sure locales are a requirement for doing C++... Are they?
409 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
411 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
412 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
413 s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
417 # Push the threading model
418 # Note: we take into account all of the .28, .29, .30 and .31
419 # versions, here. Even snapshots with NPTL.
420 case "${CT_THREADS}:${CT_LIBC_UCLIBC_LNXTHRD}" in
423 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
424 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
425 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
426 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
431 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
432 s/^# LINUXTHREADS_OLD is not set/LINUXTHREADS_OLD=y/
433 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
434 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
439 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
440 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
441 s/^# LINUXTHREADS_NEW is not set/LINUXTHREADS_NEW=y/
442 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
447 s/^HAS_NO_THREADS=y/# HAS_NO_THREADS is not set/
448 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
449 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
450 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
451 s/^# UCLIBC_HAS_THREADS_NATIVE is not set/UCLIBC_HAS_THREADS_NATIVE=y/
455 CT_Abort "Incorrect thread settings: CT_THREADS='${CT_THREAD}' CT_LIBC_UCLIBC_LNXTHRD='${CT_LIBC_UCLIBC_LNXTHRD}'"
459 # Always build the libpthread_db
461 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
464 # Force on debug options if asked for
465 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
468 s/^DODEBUG=y/# DODEBUG is not set/
469 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
470 s/^DOASSERTS=y/# DOASSERTS is not set/
471 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
472 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
473 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
478 s/^# DODEBUG is not set.*/DODEBUG=y/
479 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
480 s/^DOASSERTS=y/# DOASSERTS is not set/
481 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
482 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
483 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
488 s/^# DODEBUG is not set.*/DODEBUG=y/
489 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
490 s/^# DOASSERTS is not set.*/DOASSERTS=y/
491 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
492 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
493 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
498 # And now, this is the end
501 sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"