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-locale-${uclibc_locales_version}"
12 libc_src="http://www.uclibc.org/downloads
13 http://www.uclibc.org/downloads/snapshots
14 http://www.uclibc.org/downloads/old-releases"
15 # For uClibc, we have almost every thing: releases, and snapshots
16 # for the last month or so. We'll have to deal with svn revisions
18 CT_GetFile "uClibc-${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_UCLIBC_V_snapshot}" \
29 -a -z "${CT_LIBC_UCLIBC_V_specific_date}" \
31 echo "${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_UCLIBC_V_snapshot}" \
42 -a -z "${CT_LIBC_UCLIBC_V_specific_date}" \
44 CT_Patch "uClibc" "${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}" "${CT_CONFIG_DIR}/uClibc.config"
82 # Build and install headers and start files
83 do_libc_start_files() {
87 CT_DoStep INFO "Installing C library headers"
89 # Simply copy files until uClibc has the ability to build out-of-tree
90 CT_DoLog EXTRA "Copying sources to build dir"
91 CT_DoExecLog ALL cp -av "$(libc_uclibc_src_dir)" \
92 "${CT_BUILD_DIR}/build-libc-headers"
93 cd "${CT_BUILD_DIR}/build-libc-headers"
95 # Retrieve the config file
96 CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/uClibc.config" .config
98 # uClibc uses the CROSS environment variable as a prefix to the
99 # compiler tools to use. Setting it to the empty string forces
100 # use of the native build host tools, which we need at this
101 # stage, as we don't have target tools yet.
102 # BUT! With NPTL, we need a cross-compiler (and we have it)
103 if [ "${CT_THREADS}" = "nptl" ]; then
104 cross="${CT_TARGET}-"
107 # Force the date of the pregen locale data, as the
108 # newer ones that are referenced are not available
109 CT_DoLog EXTRA "Applying configuration"
110 CT_DoYes "" |CT_DoExecLog ALL \
111 make CROSS="${cross}" \
112 PREFIX="${CT_SYSROOT_DIR}/" \
113 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
116 CT_DoLog EXTRA "Building headers"
118 make ${CT_LIBC_UCLIBC_VERBOSITY} \
120 PREFIX="${CT_SYSROOT_DIR}/" \
121 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
124 if [ "${CT_LIBC_UCLIBC_0_9_30_or_later}" = "y" ]; then
125 install_rule=install_headers
127 install_rule=install_dev
130 CT_DoLog EXTRA "Installing headers"
132 make ${CT_LIBC_UCLIBC_VERBOSITY} \
134 PREFIX="${CT_SYSROOT_DIR}/" \
135 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
138 if [ "${CT_THREADS}" = "nptl" ]; then
139 CT_DoLog EXTRA "Building start files"
141 make ${CT_LIBC_UCLIBC_PARALLEL:+${JOBSFLAGS}} \
143 PREFIX="${CT_SYSROOT_DIR}/" \
145 ${CT_LIBC_UCLIBC_VERBOSITY} \
146 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
147 lib/crt1.o lib/crti.o lib/crtn.o
149 # From: http://git.openembedded.org/cgit.cgi/openembedded/commit/?id=ad5668a7ac7e0436db92e55caaf3fdf782b6ba3b
150 # libm.so is needed for ppc, as libgcc is linked against libm.so
151 # No problem to create it for other archs.
152 CT_DoLog EXTRA "Building dummy shared libs"
153 CT_DoExecLog ALL "${cross}gcc" -nostdlib \
159 CT_DoLog EXTRA "Installing start files"
160 CT_DoExecLog ALL install -m 0644 lib/crt1.o lib/crti.o lib/crtn.o \
161 "${CT_SYSROOT_DIR}/usr/lib"
163 CT_DoLog EXTRA "Installing dummy shared libs"
164 CT_DoExecLog ALL install -m 0755 libdummy.so "${CT_SYSROOT_DIR}/usr/lib/libc.so"
165 CT_DoExecLog ALL install -m 0755 libdummy.so "${CT_SYSROOT_DIR}/usr/lib/libm.so"
166 fi # CT_THREADS == nptl
171 # This function build and install the full uClibc
173 CT_DoStep INFO "Installing C library"
175 # Simply copy files until uClibc has the ability to build out-of-tree
176 CT_DoLog EXTRA "Copying sources to build dir"
177 CT_DoExecLog ALL cp -av "$(libc_uclibc_src_dir)" \
178 "${CT_BUILD_DIR}/build-libc"
179 cd "${CT_BUILD_DIR}/build-libc"
181 # Retrieve the config file
182 CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/uClibc.config" .config
184 # uClibc uses the CROSS environment variable as a prefix to the compiler
185 # tools to use. The newly built tools should be in our path, so we need
186 # only give the correct name for them.
187 # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
188 # depending on the configuration of the library. That is, they are tailored
189 # to best fit the target. So it is useless and seems to be a bad thing to
190 # use LIBC_EXTRA_CFLAGS here.
191 CT_DoLog EXTRA "Applying configuration"
192 CT_DoYes "" |CT_DoExecLog CFG \
193 make CROSS=${CT_TARGET}- \
194 PREFIX="${CT_SYSROOT_DIR}/" \
195 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
198 # We do _not_ want to strip anything for now, in case we specifically
199 # asked for a debug toolchain, thus the STRIPTOOL= assignment
200 # /Old/ versions can not build in //
201 CT_DoLog EXTRA "Building C library"
204 CROSS=${CT_TARGET}- \
205 PREFIX="${CT_SYSROOT_DIR}/" \
207 ${CT_LIBC_UCLIBC_VERBOSITY} \
208 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
211 make ${CT_LIBC_UCLIBC_PARALLEL:+${JOBSFLAGS}} \
212 CROSS=${CT_TARGET}- \
213 PREFIX="${CT_SYSROOT_DIR}/" \
215 ${CT_LIBC_UCLIBC_VERBOSITY} \
216 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
220 # - we want to install 'runtime' files, eg. lib*.{a,so*}, crti.o and
221 # such files, except the headers as they already are installed
222 # - "make install_dev" installs the headers, the crti.o... and the
223 # static libs, but not the dynamic libs
224 # - "make install_runtime" installs the dynamic libs only
225 # - "make install" calls install_runtime and install_dev
226 # - so we're left with re-installing the headers... Sigh...
228 # We do _not_ want to strip anything for now, in case we specifically
229 # asked for a debug toolchain, hence the STRIPTOOL= assignment
231 # Note: JOBSFLAGS is not usefull for installation.
233 CT_DoLog EXTRA "Installing C library"
235 make CROSS=${CT_TARGET}- \
236 PREFIX="${CT_SYSROOT_DIR}/" \
238 ${CT_LIBC_UCLIBC_VERBOSITY} \
239 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
245 # This function is used to install those components needing the final C compiler
250 # Initialises the .config file to sensible values
253 mungeuClibcConfig() {
256 munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
258 # Start with a fresh file
259 rm -f "${munge_file}"
260 touch "${munge_file}"
262 # Do it all in a sub-shell, it's easier to redirect output
265 # Hack our target in the config file.
266 case "${CT_ARCH}:${CT_ARCH_BITNESS}" in
268 x86:64) arch=x86_64;;
271 blackfin:32) arch="bfin";;
272 *) arch="${CT_ARCH}";;
274 # Also remove stripping: its the responsibility of the
275 # firmware builder to strip or not.
277 s/^(TARGET_.*)=y$/# \\1 is not set/
278 s/^# TARGET_${arch} is not set/TARGET_${arch}=y/
279 s/^TARGET_ARCH=".*"/TARGET_ARCH="${arch}"/
280 s/.*(DOSTRIP).*/# \\1 is not set/
283 # Ah. We may one day need architecture-specific handler here...
286 # Hack the ARM {E,O}ABI into the config file
287 if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
289 s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
290 s/.*(CONFIG_ARM_EABI).*/\\1=y/
294 s/.*(CONFIG_ARM_OABI).*/\\1=y/
295 s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
300 case "${CT_ARCH_mips_ABI}" in
303 s/.*(CONFIG_MIPS_O32_ABI).*/\\1=y/
304 s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/
305 s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/
308 # For n32 and n64, also force the ISA
309 # Not so sure this is pertinent, so it's
310 # commented out for now. It would take a
311 # (MIPS+uClibc) expert to either remove
312 # or re-enable the overrides.
315 s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/
316 s/.*(CONFIG_MIPS_N32_ABI).*/\\1=y/
317 s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/
318 s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/
319 s/.*(CONFIG_MIPS_ISA_3).*/\\1=y/
324 s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/
325 s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/
326 s/.*(CONFIG_MIPS_N64_ABI).*/\\1=y/
327 s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/
328 s/.*(CONFIG_MIPS_ISA_MIPS64).*/\\1=y/
335 # Accomodate for old and new uClibc versions, where the
336 # way to select between big/little endian has changed
337 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
339 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
340 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
341 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
342 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
346 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
347 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
348 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
349 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
354 # Accomodate for old and new uClibc version, where the
355 # way to select between hard/soft float has changed
356 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
358 s/^[^_]*(HAS_FPU).*/\\1=y/
359 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
363 s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
364 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
369 # Change paths to work with crosstool-NG
370 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
371 # " we just want the kernel headers, not the whole kernel source ...
372 # " so people may need to update their paths slightly
373 quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
374 quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
375 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
376 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
377 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
378 # newer versions use KERNEL_HEADERS (which is right).
380 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
381 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
382 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
383 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
384 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
385 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
388 if [ "${CT_USE_PIPES}" = "y" ]; then
389 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
390 # Good, there is special provision for such things as -pipe!
392 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
395 # Hack our -pipe into WARNINGS, which will be internally incorporated to
396 # CFLAGS. This a dirty hack, but yet needed
398 s/^(WARNINGS=".*)"$/\\1 -pipe"/
404 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
405 # entirely if LOCALE is not set. If LOCALE was already set, we'll
406 # assume the user has already made all the appropriate generation
407 # arrangements. Note that having the uClibc Makefile download the
408 # pregenerated locales is not compatible with crosstool; besides,
409 # crosstool downloads them as part of getandpatch.sh.
410 case "${CT_LIBC_UCLIBC_LOCALES}:${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" in
415 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
416 # UCLIBC_PREGENERATED_LOCALE_DATA is not set\\
417 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
418 # UCLIBC_HAS_XLOCALE is not set/
423 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
424 UCLIBC_PREGENERATED_LOCALE_DATA=y\\
425 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
426 # UCLIBC_HAS_XLOCALE is not set/
432 if [ "${CT_LIBC_UCLIBC_WCHAR}" = "y" ] ; then
434 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=y/
438 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=n/
442 # Force on options needed for C++ if we'll be making a C++ compiler.
443 # I'm not sure locales are a requirement for doing C++... Are they?
444 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
446 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
447 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
448 s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
452 # Push the threading model
453 # Note: we take into account all of the .28, .29, .30 and .31
454 # versions, here. Even snapshots with NPTL.
455 case "${CT_THREADS}:${CT_LIBC_UCLIBC_LNXTHRD}" in
458 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
459 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
460 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
461 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
466 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
467 s/^# LINUXTHREADS_OLD is not set/LINUXTHREADS_OLD=y/
468 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
469 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
474 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
475 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
476 s/^# LINUXTHREADS_NEW is not set/LINUXTHREADS_NEW=y/
477 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
482 s/^HAS_NO_THREADS=y/# HAS_NO_THREADS is not set/
483 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
484 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
485 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
486 s/^# UCLIBC_HAS_THREADS_NATIVE is not set/UCLIBC_HAS_THREADS_NATIVE=y/
490 CT_Abort "Incorrect thread settings: CT_THREADS='${CT_THREAD}' CT_LIBC_UCLIBC_LNXTHRD='${CT_LIBC_UCLIBC_LNXTHRD}'"
494 # Always build the libpthread_db
496 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
499 # Force on debug options if asked for
500 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
503 s/^DODEBUG=y/# DODEBUG is not set/
504 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
505 s/^DOASSERTS=y/# DOASSERTS is not set/
506 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
507 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
508 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
513 s/^# DODEBUG is not set.*/DODEBUG=y/
514 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
515 s/^DOASSERTS=y/# DOASSERTS is not set/
516 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
517 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
518 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
523 s/^# DODEBUG is not set.*/DODEBUG=y/
524 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
525 s/^# DOASSERTS is not set.*/DOASSERTS=y/
526 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
527 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
528 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
533 # And now, this is the end
536 sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"