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_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...
287 # Hack the ARM {E,O}ABI into the config file
288 if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
290 s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
291 s/.*(CONFIG_ARM_EABI).*/\\1=y/
295 s/.*(CONFIG_ARM_OABI).*/\\1=y/
296 s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
301 case "${CT_ARCH_mips_ABI}" in
304 s/.*(CONFIG_MIPS_O32_ABI).*/\\1=y/
305 s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/
306 s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/
309 # For n32 and n64, also force the ISA
310 # Not so sure this is pertinent, so it's
311 # commented out for now. It would take a
312 # (MIPS+uClibc) expert to either remove
313 # or re-enable the overrides.
316 s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/
317 s/.*(CONFIG_MIPS_N32_ABI).*/\\1=y/
318 s/.*(CONFIG_MIPS_N64_ABI).*/# \\1 is not set/
319 s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/
320 s/.*(CONFIG_MIPS_ISA_3).*/\\1=y/
325 s/.*(CONFIG_MIPS_O32_ABI).*/# \\1 is not set/
326 s/.*(CONFIG_MIPS_N32_ABI).*/# \\1 is not set/
327 s/.*(CONFIG_MIPS_N64_ABI).*/\\1=y/
328 s/.*(CONFIG_MIPS_ISA_.*).*/# \\1 is not set/
329 s/.*(CONFIG_MIPS_ISA_MIPS64).*/\\1=y/
336 # Accomodate for old and new uClibc versions, where the
337 # way to select between big/little endian has changed
338 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
340 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
341 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
342 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
343 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
347 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
348 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
349 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
350 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
355 # Accomodate for old and new uClibc version, where the
356 # way to select between hard/soft float has changed
357 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
359 s/^[^_]*(HAS_FPU).*/\\1=y/
360 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
364 s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
365 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
370 # Change paths to work with crosstool-NG
371 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
372 # " we just want the kernel headers, not the whole kernel source ...
373 # " so people may need to update their paths slightly
374 quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
375 quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
376 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
377 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
378 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
379 # newer versions use KERNEL_HEADERS (which is right).
381 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
382 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
383 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
384 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
385 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
386 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
389 if [ "${CT_USE_PIPES}" = "y" ]; then
390 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
391 # Good, there is special provision for such things as -pipe!
393 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
396 # Hack our -pipe into WARNINGS, which will be internally incorporated to
397 # CFLAGS. This a dirty hack, but yet needed
399 s/^(WARNINGS=".*)"$/\\1 -pipe"/
405 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
406 # entirely if LOCALE is not set. If LOCALE was already set, we'll
407 # assume the user has already made all the appropriate generation
408 # arrangements. Note that having the uClibc Makefile download the
409 # pregenerated locales is not compatible with crosstool; besides,
410 # crosstool downloads them as part of getandpatch.sh.
411 case "${CT_LIBC_UCLIBC_LOCALES}:${CT_LIBC_UCLIBC_LOCALES_PREGEN_DATA}" in
416 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
417 # UCLIBC_PREGENERATED_LOCALE_DATA is not set\\
418 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
419 # UCLIBC_HAS_XLOCALE is not set/
424 s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\
425 UCLIBC_PREGENERATED_LOCALE_DATA=y\\
426 # UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\
427 # UCLIBC_HAS_XLOCALE is not set/
433 if [ "${CT_LIBC_UCLIBC_WCHAR}" = "y" ] ; then
435 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=y/
439 s/^.*UCLIBC_HAS_WCHAR.*/UCLIBC_HAS_WCHAR=n/
443 # Force on options needed for C++ if we'll be making a C++ compiler.
444 # I'm not sure locales are a requirement for doing C++... Are they?
445 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
447 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
448 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
449 s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
453 # Push the threading model
454 # Note: we take into account all of the .28, .29, .30 and .31
455 # versions, here. Even snapshots with NPTL.
456 case "${CT_THREADS}:${CT_LIBC_UCLIBC_LNXTHRD}" in
459 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
460 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
461 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
462 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
467 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
468 s/^# LINUXTHREADS_OLD is not set/LINUXTHREADS_OLD=y/
469 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
470 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
475 s/^# UCLIBC_HAS_THREADS is not set/UCLIBC_HAS_THREADS=y/
476 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
477 s/^# LINUXTHREADS_NEW is not set/LINUXTHREADS_NEW=y/
478 s/^UCLIBC_HAS_THREADS_NATIVE=y/# UCLIBC_HAS_THREADS_NATIVE is not set/
483 s/^HAS_NO_THREADS=y/# HAS_NO_THREADS is not set/
484 s/^UCLIBC_HAS_THREADS=y/# UCLIBC_HAS_THREADS is not set/
485 s/^LINUXTHREADS_OLD=y/# LINUXTHREADS_OLD is not set/
486 s/^LINUXTHREADS_NEW=y/# LINUXTHREADS_NEW is not set/
487 s/^# UCLIBC_HAS_THREADS_NATIVE is not set/UCLIBC_HAS_THREADS_NATIVE=y/
491 CT_Abort "Incorrect thread settings: CT_THREADS='${CT_THREAD}' CT_LIBC_UCLIBC_LNXTHRD='${CT_LIBC_UCLIBC_LNXTHRD}'"
495 # Always build the libpthread_db
497 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
500 # Force on debug options if asked for
501 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
504 s/^DODEBUG=y/# DODEBUG is not set/
505 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
506 s/^DOASSERTS=y/# DOASSERTS is not set/
507 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
508 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
509 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
514 s/^# DODEBUG is not set.*/DODEBUG=y/
515 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
516 s/^DOASSERTS=y/# DOASSERTS is not set/
517 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
518 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
519 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
524 s/^# DODEBUG is not set.*/DODEBUG=y/
525 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
526 s/^# DOASSERTS is not set.*/DOASSERTS=y/
527 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
528 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
529 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
534 # And now, this is the end
537 sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"