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}" "${CT_CONFIG_DIR}/uClibc.config"
78 # Build and install headers and start files
79 do_libc_start_files() {
83 CT_DoStep INFO "Installing C library headers"
85 # Simply copy files until uClibc has the ability to build out-of-tree
86 CT_DoLog EXTRA "Copying sources to build dir"
87 CT_DoExecLog ALL cp -av "$(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 ${CT_LIBC_UCLIBC_PARALLEL:+${JOBSFLAGS}} \
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 # This function build and install the full uClibc
169 CT_DoStep INFO "Installing C library"
171 # Simply copy files until uClibc has the ability to build out-of-tree
172 CT_DoLog EXTRA "Copying sources to build dir"
173 CT_DoExecLog ALL cp -av "$(libc_uclibc_src_dir)" \
174 "${CT_BUILD_DIR}/build-libc"
175 cd "${CT_BUILD_DIR}/build-libc"
177 # Retrieve the config file
178 CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/uClibc.config" .config
180 # uClibc uses the CROSS environment variable as a prefix to the compiler
181 # tools to use. The newly built tools should be in our path, so we need
182 # only give the correct name for them.
183 # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
184 # depending on the configuration of the library. That is, they are tailored
185 # to best fit the target. So it is useless and seems to be a bad thing to
186 # use LIBC_EXTRA_CFLAGS here.
187 CT_DoLog EXTRA "Applying configuration"
188 CT_DoYes "" |CT_DoExecLog CFG \
189 make CROSS=${CT_TARGET}- \
190 PREFIX="${CT_SYSROOT_DIR}/" \
191 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
194 # We do _not_ want to strip anything for now, in case we specifically
195 # asked for a debug toolchain, thus the STRIPTOOL= assignment
196 # /Old/ versions can not build in //
197 CT_DoLog EXTRA "Building C library"
200 CROSS=${CT_TARGET}- \
201 PREFIX="${CT_SYSROOT_DIR}/" \
203 ${CT_LIBC_UCLIBC_VERBOSITY} \
204 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
207 make ${CT_LIBC_UCLIBC_PARALLEL:+${JOBSFLAGS}} \
208 CROSS=${CT_TARGET}- \
209 PREFIX="${CT_SYSROOT_DIR}/" \
211 ${CT_LIBC_UCLIBC_VERBOSITY} \
212 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
216 # - we want to install 'runtime' files, eg. lib*.{a,so*}, crti.o and
217 # such files, except the headers as they already are installed
218 # - "make install_dev" installs the headers, the crti.o... and the
219 # static libs, but not the dynamic libs
220 # - "make install_runtime" installs the dynamic libs only
221 # - "make install" calls install_runtime and install_dev
222 # - so we're left with re-installing the headers... Sigh...
224 # We do _not_ want to strip anything for now, in case we specifically
225 # asked for a debug toolchain, hence the STRIPTOOL= assignment
227 # Note: JOBSFLAGS is not usefull for installation.
229 CT_DoLog EXTRA "Installing C library"
231 make CROSS=${CT_TARGET}- \
232 PREFIX="${CT_SYSROOT_DIR}/" \
234 ${CT_LIBC_UCLIBC_VERBOSITY} \
235 LOCALE_DATA_FILENAME="${uclibc_local_tarball}.tgz" \
241 # This function is used to install those components needing the final C compiler
246 # Initialises the .config file to sensible values
249 mungeuClibcConfig() {
252 munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
254 # Start with a fresh file
255 rm -f "${munge_file}"
256 touch "${munge_file}"
258 # Do it all in a sub-shell, it's easier to redirect output
261 # Hack our target in the config file.
262 case "${CT_ARCH}:${CT_ARCH_BITNESS}" in
264 x86:64) arch=x86_64;;
267 blackfin:32) arch="bfin";;
268 *) arch="${CT_ARCH}";;
270 # Also remove stripping: its the responsibility of the
271 # firmware builder to strip or not.
273 s/^(TARGET_.*)=y$/# \\1 is not set/
274 s/^# TARGET_${arch} is not set/TARGET_${arch}=y/
275 s/^TARGET_ARCH=".*"/TARGET_ARCH="${arch}"/
276 s/.*(DOSTRIP).*/# \\1 is not set/
279 # Ah. We may one day need architecture-specific handler here...
282 # Hack the ARM {E,O}ABI into the config file
283 if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
285 s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
286 s/.*(CONFIG_ARM_EABI).*/\\1=y/
290 s/.*(CONFIG_ARM_OABI).*/\\1=y/
291 s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
296 case "${CT_ARCH_mips_ABI}" in
299 s/.*(CONFIG_MIPS_O32_ABI).*/\\1=y/
300 s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/
301 s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/
304 # For n32 and n64, also force the ISA
305 # Not so sure this is pertinent, so it's
306 # commented out for now. It would take a
307 # (MIPS+uClibc) expert to either remove
308 # or re-enable the overrides.
311 s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/
312 s/.*(CONFIG_MIPS_N32_ABI).*/\\1=y/
313 s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/
314 s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/
315 s/.*(CONFIG_MIPS_ISA_3).*/\\1=y/
320 s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/
321 s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/
322 s/.*(CONFIG_MIPS_N64_ABI).*/\\1=y/
323 s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/
324 s/.*(CONFIG_MIPS_ISA_MIPS64).*/\\1=y/
331 # Accomodate for old and new uClibc versions, where the
332 # way to select between big/little endian has changed
333 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
335 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
336 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
337 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
338 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
342 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
343 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
344 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
345 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
350 # Accomodate for old and new uClibc version, where the
351 # way to select between hard/soft float has changed
352 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
354 s/^[^_]*(HAS_FPU).*/\\1=y/
355 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
359 s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
360 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
365 # Change paths to work with crosstool-NG
366 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
367 # " we just want the kernel headers, not the whole kernel source ...
368 # " so people may need to update their paths slightly
369 quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
370 quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
371 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
372 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
373 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
374 # newer versions use KERNEL_HEADERS (which is right).
376 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
377 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
378 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
379 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
380 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
381 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
384 if [ "${CT_USE_PIPES}" = "y" ]; then
385 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
386 # Good, there is special provision for such things as -pipe!
388 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
391 # Hack our -pipe into WARNINGS, which will be internally incorporated to
392 # CFLAGS. This a dirty hack, but yet needed
394 s/^(WARNINGS=".*)"$/\\1 -pipe"/
400 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
401 # entirely if LOCALE is not set. If LOCALE was already set, we'll
402 # assume the user has already made all the appropriate generation
403 # arrangements. Note that having the uClibc Makefile download the
404 # pregenerated locales is not compatible with crosstool; besides,
405 # crosstool downloads them as part of getandpatch.sh.
406 case "${CT_LIBC_UCLIBC_LOCALES}:${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" in
411 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
412 # UCLIBC_PREGENERATED_LOCALE_DATA is not set\\
413 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
414 # UCLIBC_HAS_XLOCALE is not set/
419 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
420 UCLIBC_PREGENERATED_LOCALE_DATA=y\\
421 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
422 # UCLIBC_HAS_XLOCALE is not set/
428 if [ "${CT_LIBC_UCLIBC_WCHAR}" = "y" ] ; then
430 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=y/
434 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=n/
438 # Force on options needed for C++ if we'll be making a C++ compiler.
439 # I'm not sure locales are a requirement for doing C++... Are they?
440 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
442 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
443 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
444 s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
448 # Push the threading model
449 # Note: we take into account all of the .28, .29, .30 and .31
450 # versions, here. Even snapshots with NPTL.
451 case "${CT_THREADS}:${CT_LIBC_UCLIBC_LNXTHRD}" in
454 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
455 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
456 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
457 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
462 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
463 s/^# LINUXTHREADS_OLD is not set/LINUXTHREADS_OLD=y/
464 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
465 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
470 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
471 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
472 s/^# LINUXTHREADS_NEW is not set/LINUXTHREADS_NEW=y/
473 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
478 s/^HAS_NO_THREADS=y/# HAS_NO_THREADS is not set/
479 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
480 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
481 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
482 s/^# UCLIBC_HAS_THREADS_NATIVE is not set/UCLIBC_HAS_THREADS_NATIVE=y/
486 CT_Abort "Incorrect thread settings: CT_THREADS='${CT_THREAD}' CT_LIBC_UCLIBC_LNXTHRD='${CT_LIBC_UCLIBC_LNXTHRD}'"
490 # Always build the libpthread_db
492 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
495 # Force on debug options if asked for
496 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
499 s/^DODEBUG=y/# DODEBUG is not set/
500 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
501 s/^DOASSERTS=y/# DOASSERTS is not set/
502 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
503 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
504 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
509 s/^# DODEBUG is not set.*/DODEBUG=y/
510 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
511 s/^DOASSERTS=y/# DOASSERTS is not set/
512 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
513 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
514 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
519 s/^# DODEBUG is not set.*/DODEBUG=y/
520 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
521 s/^# DOASSERTS is not set.*/DOASSERTS=y/
522 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
523 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
524 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
529 # And now, this is the end
532 sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"