1 # This file adds functions to build glibc
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
6 [ "${CT_LIBC}" = "glibc" ] || return 0
7 echo "glibc-${CT_LIBC_VERSION}"
8 for addon in $(do_libc_add_ons_list " "); do
9 # NPTL addon is not to be downloaded, in any case
10 [ "${addon}" = "nptl" ] && continue || true
11 echo "glibc-${addon}-${CT_LIBC_VERSION}"
17 # Ah! Not all GNU folks seem stupid. All glibc releases are in the same
18 # directory. Good. Alas, there is no snapshot there. I'll deal with them
20 CT_GetFile "${CT_LIBC_FILE}" \
21 {ftp,http}://ftp.gnu.org/gnu/glibc \
22 ftp://gcc.gnu.org/pub/glibc/releases \
23 ftp://gcc.gnu.org/pub/glibc/snapshots
26 for addon in $(do_libc_add_ons_list " "); do
27 # NPTL addon is not to be downloaded, in any case
28 [ "${addon}" = "nptl" ] && continue || true
29 CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" \
30 {ftp,http}://ftp.gnu.org/gnu/glibc \
31 ftp://gcc.gnu.org/pub/glibc/releases \
32 ftp://gcc.gnu.org/pub/glibc/snapshots
40 CT_ExtractAndPatch "${CT_LIBC_FILE}"
43 for addon in $(do_libc_add_ons_list " "); do
44 # NPTL addon is not to be extracted, in any case
45 [ "${addon}" = "nptl" ] && continue || true
46 CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
49 # The configure files may be older than the configure.in files
50 # if using a snapshot (or even some tarballs). Fake them being
52 find "${CT_SRC_DIR}/${CT_LIBC_FILE}" -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
57 # There is nothing to do for glibc check config
58 do_libc_check_config() {
62 # This function installs the glibc headers needed to build the core compiler
64 # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
65 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
66 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0
68 CT_DoStep INFO "Installing C library headers"
70 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
71 cd "${CT_BUILD_DIR}/build-libc-headers"
73 CT_DoLog EXTRA "Configuring C library"
75 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
76 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
77 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
78 # 3. build with gcc 3.2 or later
79 # Compare these options with the ones used when building glibc for real below - they're different.
80 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
81 # so when configure checks to make sure gcc has access to the assembler you just built...
82 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
83 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
85 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
87 # is ok here, since all we want are the basic headers at this point.
88 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
89 # 'a version of binutils that supports .machine "altivec" is needed'.
91 addons_list="$(do_libc_add_ons_list ,)"
92 # We need to remove any threading addon when installing headers
93 addons_list="${addons_list//nptl/}"
94 addons_list="${addons_list//linuxthreads/}"
95 # Remove duplicate, leading and trailing separators
96 addons_config="--enable-add-ons=$(echo "${addons_list}" |sed -r -e 's/,+/,/; s/^,//; s/,$//g;')"
98 extra_config="${addons_config} $(do_libc_min_kernel_config)"
100 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
101 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
102 CT_DoLog DEBUG "Extra config passed : '${extra_config}'"
104 libc_cv_ppc_machine=yes \
107 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
108 --build="${CT_BUILD}" \
109 --host="${CT_TARGET}" \
111 --with-headers="${CT_HEADERS_DIR}" \
113 --disable-sanity-checks \
114 --enable-hacker-mode \
118 CT_DoLog EXTRA "Installing C library headers"
120 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
121 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
122 # which fails without a real cross-compiler.
123 # Fortunately, we don't need errlist-compat.c, since we just need .h
124 # files, so work around this by creating a fake errlist-compat.c and
125 # satisfying its dependencies.
126 # Another workaround might be to tell configure to not use any cross
128 # The real fix would be to get install-headers to not generate
130 # Note: BOOTSTRAP_GCC is used by:
131 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
133 libc_cv_ppc_machine=yes \
135 make CFLAGS="-O -DBOOTSTRAP_GCC" \
136 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
137 sysdeps/gnu/errlist.c
138 mkdir -p stdio-common
140 # sleep for 2 seconds for benefit of filesystems with lousy time
141 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
144 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
146 # Note: BOOTSTRAP_GCC (see above)
147 libc_cv_ppc_machine=yes \
149 make cross-compiling=yes \
150 install_root=${CT_SYSROOT_DIR} \
151 CFLAGS="-O -DBOOTSTRAP_GCC" \
152 ${LIBC_SYSROOT_ARG} \
153 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
156 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
157 # so do them by hand. We can tolerate an empty stubs.h for the moment.
158 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
159 mkdir -p "${CT_HEADERS_DIR}/gnu"
160 CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
161 CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" \
162 "${CT_HEADERS_DIR}/features.h"
164 # Building the bootstrap gcc requires either setting inhibit_libc, or
165 # having a copy of stdio_lim.h... see
166 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
167 CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
169 # Following error building gcc-4.0.0's gcj:
170 # error: bits/syscall.h: No such file or directory
171 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
172 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
173 [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
175 # Those headers are to be manually copied so gcc can build properly
176 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
178 case "${CT_THREADS}" in
180 # NOTE: for some archs, the pathes are different, but they are not
181 # supported by crosstool-NG right now. See original crosstool when they are.
182 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
183 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
184 if [ ! -f "${pthreadtypes_h}" ]; then
185 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_LIBC}-ports-${CT_LIBC_VERSION}/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"
189 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
196 if [ -n "${pthread_h}" ]; then
197 CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"
199 if [ -n "${pthreadtypes_h}" ]; then
200 CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"
206 # Build and install start files
207 do_libc_start_files() {
208 # Needed only in the NPTL case. Otherwise, return.
209 [ "${CT_THREADS}" = "nptl" ] || return 0
211 CT_DoStep INFO "Installing C library start files"
213 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
214 cd "${CT_BUILD_DIR}/build-libc-startfiles"
216 CT_DoLog EXTRA "Configuring C library"
218 # Add some default glibc config options if not given by user.
220 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
222 *) extra_config="${extra_config} --with-tls"
224 case "${CT_SHARED_LIBS}" in
225 y) extra_config="${extra_config} --enable-shared";;
226 *) extra_config="${extra_config} --disable-shared";;
228 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
229 y,) extra_config="${extra_config} --with-fp";;
230 ,y) extra_config="${extra_config} --without-fp";;
232 # Obviously, we want threads, as we come here only for NPTL
233 extra_config="${extra_config} --with-__thread"
235 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
236 extra_config="${extra_config} ${addons_config}"
238 extra_config="${extra_config} $(do_libc_min_kernel_config)"
240 # Add some default CC args
241 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')
242 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')
243 # In case we're using a snapshot, fake a >=2.6 version.
244 if [ "${CT_LIBC_V_LATEST}" = "y" \
245 -o "${CT_LIBC_V_date}" = "y" ]; then
246 glibc_version_major=3
247 glibc_version_minor=0
249 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
250 -o ${glibc_version_major} -gt 2 ]; then
251 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
252 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
253 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
255 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
257 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
259 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
260 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
261 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
262 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
263 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
265 # Super-H really needs to set configparms as of gcc-3.4/glibc-2.3.2
266 # note: this is awkward, doesn't work well if you need more than one
267 # line in configparms
268 [ "${CT_ARCH_sh}" = "y" ] && echo "no-z-defs=yes" > configparms
270 echo "libc_cv_forced_unwind=yes" > config.cache
271 echo "libc_cv_c_cleanup=yes" >> config.cache
273 # Please see the comment for the configure step in do_libc().
275 BUILD_CC="${CT_BUILD}-gcc" \
276 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O " \
277 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
279 RANLIB=${CT_TARGET}-ranlib \
281 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
283 --build="${CT_BUILD}" \
284 --host=${CT_TARGET} \
289 --with-headers="${CT_HEADERS_DIR}" \
290 --cache-file=config.cache \
292 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
295 #TODO: should check whether slibdir has been set in configparms to */lib64
296 # and copy the startfiles into the appropriate libdir.
297 CT_DoLog EXTRA "Building C library start files"
298 CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" csu/subdir_lib
300 CT_DoLog EXTRA "Installing C library start files"
301 if [ "${CT_USE_SYSROOT}" = "y" ]; then
302 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
304 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
310 # This function builds and install the full glibc
312 CT_DoStep INFO "Installing C library"
314 mkdir -p "${CT_BUILD_DIR}/build-libc"
315 cd "${CT_BUILD_DIR}/build-libc"
317 CT_DoLog EXTRA "Configuring C library"
319 # Add some default glibc config options if not given by user.
320 # We don't need to be conditional on wether the user did set different
321 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
324 case "${CT_THREADS}" in
325 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
326 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
327 none) extra_config="${extra_config} --without-__thread --without-nptl"
328 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
330 *) extra_config="${extra_config} --without-tls";;
335 case "${CT_SHARED_LIBS}" in
336 y) extra_config="${extra_config} --enable-shared";;
337 *) extra_config="${extra_config} --disable-shared";;
340 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
341 y,) extra_config="${extra_config} --with-fp";;
342 ,y) extra_config="${extra_config} --without-fp";;
345 case "$(do_libc_add_ons_list ,)" in
347 *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;
350 extra_config="${extra_config} $(do_libc_min_kernel_config)"
352 # Add some default CC args
353 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')
354 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')
355 # In case we're using a snapshot, fake a >=2.6 version.
356 if [ "${CT_LIBC_V_LATEST}" = "y" \
357 -o "${CT_LIBC_V_date}" = "y" ]; then
358 glibc_version_major=3
359 glibc_version_minor=0
361 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
362 -o ${glibc_version_major} -gt 2 ]; then
363 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
364 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
365 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
367 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
369 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
371 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
372 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
373 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
374 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
375 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
377 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
378 # note: this is awkward, doesn't work well if you need more than one line in configparms
379 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
381 # For glibc 2.3.4 and later we need to set some autoconf cache
382 # variables, because nptl/sysdeps/pthread/configure.in does not
383 # work when cross-compiling.
384 if [ "${CT_THREADS}" = "nptl" ]; then
385 echo libc_cv_forced_unwind=yes
386 echo libc_cv_c_cleanup=yes
389 # Configure with --prefix the way we want it on the target...
390 # There are a whole lot of settings here. You'll probably want
391 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
392 # Compare these options with the ones used when installing the glibc headers above - they're different.
393 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
394 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
395 # Set BUILD_CC, or you won't be able to build datafiles
396 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
398 # OK. I'm fed up with those folks telling me what I should do.
399 # I don't configure nptl? Well, maybe that's purposedly because
400 # I don't want nptl! --disable-sanity-checks will shut up those
401 # silly messages. GNU folks again, he?
403 BUILD_CC="${CT_BUILD}-gcc" \
404 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
405 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
407 RANLIB=${CT_TARGET}-ranlib \
409 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
411 --build=${CT_BUILD} \
412 --host=${CT_TARGET} \
417 --disable-sanity-checks \
418 --cache-file=config.cache \
419 --with-headers="${CT_HEADERS_DIR}" \
421 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
423 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
425 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
426 # is present, it means we're building glibc-2.3.3 or later, and we can't
427 # build programs yet, as they require libeh, which won't be installed
428 # until full build of gcc
429 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
430 # make-install-lib-all.patch applied, so do not pass through this
431 # part of the if statement; nonetheless, they do build, and
432 # the result is useable (maybe the dual-pass core gcc is
433 # responsible for this).
434 GLIBC_INITIAL_BUILD_RULE=lib
435 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
436 GLIBC_INSTALL_APPS_LATER=yes
439 # We can build and install everything with the bootstrap compiler.
440 # YEM-FIXME: See the above FIXME as well.
441 GLIBC_INITIAL_BUILD_RULE=all
442 GLIBC_INITIAL_INSTALL_RULE=install
443 GLIBC_INSTALL_APPS_LATER=no
446 # glibc initial build hacks
447 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
448 case "${CT_ARCH},${CT_ARCH_CPU}" in
450 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
451 GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
454 # If this fails with an error like this:
455 # ... linux/autoconf.h: No such file or directory
456 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
457 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
458 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
459 # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
460 CT_DoLog EXTRA "Building C library"
461 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
462 RANLIB=${CT_TARGET}-ranlib \
463 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
464 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
465 ${GLIBC_INITIAL_BUILD_RULE}
467 CT_DoLog EXTRA "Installing C library"
468 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
469 ${LIBC_SYSROOT_ARG} \
470 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
471 ${GLIBC_INITIAL_INSTALL_RULE}
473 # This doesn't seem to work when building a crosscompiler,
474 # as it tries to execute localedef using the just-built ld.so!?
475 #CT_DoLog EXTRA "Installing locales"
476 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
478 # Fix problems in linker scripts.
480 # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
481 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
482 # No need to look into the lib64/ dirs here and there, they point to the
483 # corresponding lib/ directories.
485 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
486 CT_DoLog EXTRA "Fixing C library linker scripts"
487 for file in libc.so libpthread.so libgcc_s.so; do
488 for dir in lib usr/lib; do
489 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
490 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
491 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
492 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
500 # This function finishes the glibc install
502 # Finally, build and install glibc programs, now that libeh (if any) is installed
503 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
504 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
505 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
506 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
508 CT_DoStep INFO "Finishing C library"
510 cd "${CT_BUILD_DIR}/build-libc"
512 CT_DoLog EXTRA "Re-building C library"
513 CT_DoExecLog ALL make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib
515 CT_DoLog EXTRA "Installing missing C library components"
516 # note: should do full install and then fix linker scripts, but this is faster
517 for t in bin rootsbin sbin data others; do
518 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
519 ${LIBC_SYSROOT_ARG} \
520 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
527 # Build up the addons list, separated with $1
528 do_libc_add_ons_list() {
530 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")
531 case "${CT_THREADS}" in
533 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
535 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
536 # Remove duplicate, leading and trailing separators
537 echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
540 # Builds up the minimum supported Linux kernel version
541 do_libc_min_kernel_config() {
542 local min_kernel_config=
543 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
545 *) if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
546 # We can't rely on the kernel version from the configuration,
547 # because it might not be available if the user uses pre-installed
548 # headers. On the other hand, both method will have the kernel
549 # version installed in "usr/include/linux/version.h" in the sys-root.
550 # Parse that instead of having two code-paths.
551 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
552 CT_TestOrAbort "Linux version is unavailable in installed headers files" -f "${version_code_file}" -a -r "${version_code_file}"
553 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)
554 version=$(((version_code>>16)&0xFF))
555 patchlevel=$(((version_code>>8)&0xFF))
556 sublevel=$((version_code&0xFF))
557 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"
558 elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
559 # Trim the fourth part of the linux version, keeping only the first three numbers
560 min_kernel_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
564 echo "${min_kernel_config}"