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
9 # Ah! Not all GNU folks seem stupid. All glibc releases are in the same
10 # directory. Good. Alas, there is no snapshot there. I'll deal with them
12 # Update: sadly, glibc folks do be stupid: they no longer build
13 # release tarballs as of glibc-2.8, hence forcing us to fetch
14 # from CVS (CVS! Don't those guys know the world of SCM has
15 # evolved since the dawn ages of CVS?) Sigh...
16 if [ "${CT_LIBC_GLIBC_2_8_or_later}" = "y" ]; then
17 # No release tarball available...
18 date="${CT_LIBC_GLIBC_CVS_date}"
19 CT_GetCVS "glibc-${CT_LIBC_VERSION}" \
20 ":pserver:anoncvs@sources.redhat.com:/cvs/glibc" \
22 "glibc-${CT_LIBC_VERSION}-branch${date:+:}${date}" \
23 "glibc-${CT_LIBC_VERSION}"
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_GetCVS "glibc-${addon}-${CT_LIBC_VERSION}" \
30 ":pserver:anoncvs@sources.redhat.com:/cvs/glibc" \
32 "glibc-${CT_LIBC_VERSION}-branch${date:+:}${date}" \
33 "glibc-${addon}-${CT_LIBC_VERSION}"
36 # Release tarballs are available
37 CT_GetFile "glibc-${CT_LIBC_VERSION}" \
38 {ftp,http}://ftp.gnu.org/gnu/glibc \
39 ftp://gcc.gnu.org/pub/glibc/releases \
40 ftp://gcc.gnu.org/pub/glibc/snapshots
43 for addon in $(do_libc_add_ons_list " "); do
44 # NPTL addon is not to be downloaded, in any case
45 [ "${addon}" = "nptl" ] && continue || true
46 CT_GetFile "glibc-${addon}-${CT_LIBC_VERSION}" \
47 {ftp,http}://ftp.gnu.org/gnu/glibc \
48 ftp://gcc.gnu.org/pub/glibc/releases \
49 ftp://gcc.gnu.org/pub/glibc/snapshots
58 CT_ExtractAndPatch "glibc-${CT_LIBC_VERSION}"
61 for addon in $(do_libc_add_ons_list " "); do
62 # NPTL addon is not to be extracted, in any case
63 [ "${addon}" = "nptl" ] && continue || true
64 CT_Pushd "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}"
65 CT_ExtractAndPatch "glibc-${addon}-${CT_LIBC_VERSION}" nochdir
69 # The configure files may be older than the configure.in files
70 # if using a snapshot (or even some tarballs). Fake them being
72 find "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}" -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
77 # There is nothing to do for glibc check config
78 do_libc_check_config() {
82 # This function installs the glibc headers needed to build the core compiler
84 CT_DoStep INFO "Installing C library headers"
86 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
87 cd "${CT_BUILD_DIR}/build-libc-headers"
89 CT_DoLog EXTRA "Configuring C library"
91 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
92 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
93 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
94 # 3. build with gcc 3.2 or later
95 # Compare these options with the ones used when building glibc for real below - they're different.
96 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
97 # so when configure checks to make sure gcc has access to the assembler you just built...
98 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
99 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
101 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
103 # is ok here, since all we want are the basic headers at this point.
104 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
105 # 'a version of binutils that supports .machine "altivec" is needed'.
107 addons_list="$(do_libc_add_ons_list ,)"
108 # We need to remove any threading addon when installing headers
109 addons_list="${addons_list//nptl/}"
110 addons_list="${addons_list//linuxthreads/}"
111 # Remove duplicate, leading and trailing separators
112 addons_config="--enable-add-ons=$(echo "${addons_list}" |sed -r -e 's/,+/,/; s/^,//; s/,$//g;')"
114 extra_config="${addons_config} $(do_libc_min_kernel_config)"
116 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
117 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
118 CT_DoLog DEBUG "Extra config passed : '${extra_config}'"
120 libc_cv_ppc_machine=yes \
123 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
124 --build="${CT_BUILD}" \
125 --host="${CT_TARGET}" \
127 --with-headers="${CT_HEADERS_DIR}" \
129 --disable-sanity-checks \
130 --enable-hacker-mode \
134 CT_DoLog EXTRA "Installing C library headers"
136 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/ChangeLog"; then
137 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
138 # which fails without a real cross-compiler.
139 # Fortunately, we don't need errlist-compat.c, since we just need .h
140 # files, so work around this by creating a fake errlist-compat.c and
141 # satisfying its dependencies.
142 # Another workaround might be to tell configure to not use any cross
144 # The real fix would be to get install-headers to not generate
146 # Note: BOOTSTRAP_GCC is used by:
147 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
149 libc_cv_ppc_machine=yes \
151 make CFLAGS="-O -DBOOTSTRAP_GCC" \
152 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
153 sysdeps/gnu/errlist.c
154 mkdir -p stdio-common
156 # sleep for 2 seconds for benefit of filesystems with lousy time
157 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
160 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
162 # Note: BOOTSTRAP_GCC (see above)
163 libc_cv_ppc_machine=yes \
165 make cross-compiling=yes \
166 install_root=${CT_SYSROOT_DIR} \
167 CFLAGS="-O -DBOOTSTRAP_GCC" \
168 ${LIBC_SYSROOT_ARG} \
169 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
172 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
173 # so do them by hand. We can tolerate an empty stubs.h for the moment.
174 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
175 mkdir -p "${CT_HEADERS_DIR}/gnu"
176 CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
177 CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/include/features.h" \
178 "${CT_HEADERS_DIR}/features.h"
180 # Building the bootstrap gcc requires either setting inhibit_libc, or
181 # having a copy of stdio_lim.h... see
182 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
183 CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
185 # Following error building gcc-4.0.0's gcj:
186 # error: bits/syscall.h: No such file or directory
187 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
188 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
189 [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
191 # Those headers are to be manually copied so gcc can build properly
192 pthread_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
194 case "${CT_THREADS}" in
196 # NOTE: for some archs, the pathes are different, but they are not
197 # supported by crosstool-NG right now. See original crosstool when they are.
198 pthread_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
199 pthreadtypes_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
200 if [ ! -f "${pthreadtypes_h}" ]; then
201 pthreadtypes_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/ports/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"
205 pthreadtypes_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
212 if [ -n "${pthread_h}" ]; then
213 CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"
215 if [ -n "${pthreadtypes_h}" ]; then
216 CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"
222 # Build and install start files
223 do_libc_start_files() {
224 # Needed only in the NPTL case. Otherwise, return.
225 [ "${CT_THREADS}" = "nptl" ] || return 0
227 CT_DoStep INFO "Installing C library start files"
229 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
230 cd "${CT_BUILD_DIR}/build-libc-startfiles"
232 CT_DoLog EXTRA "Configuring C library"
234 # Add some default glibc config options if not given by user.
236 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
238 *) extra_config="${extra_config} --with-tls"
240 case "${CT_SHARED_LIBS}" in
241 y) extra_config="${extra_config} --enable-shared";;
242 *) extra_config="${extra_config} --disable-shared";;
244 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
245 y,) extra_config="${extra_config} --with-fp";;
246 ,y) extra_config="${extra_config} --without-fp";;
248 # Obviously, we want threads, as we come here only for NPTL
249 extra_config="${extra_config} --with-__thread"
251 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
252 extra_config="${extra_config} ${addons_config}"
254 extra_config="${extra_config} $(do_libc_min_kernel_config)"
256 # Add some default CC args
257 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')
258 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')
259 # In case we're using a snapshot, fake a >=2.6 version.
260 if [ "${CT_LIBC_V_LATEST}" = "y" \
261 -o "${CT_LIBC_V_date}" = "y" ]; then
262 glibc_version_major=3
263 glibc_version_minor=0
265 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
266 -o ${glibc_version_major} -gt 2 ]; then
267 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
268 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
269 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
271 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
273 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
275 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
276 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
277 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
278 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
279 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
281 # Super-H really needs to set configparms as of gcc-3.4/glibc-2.3.2
282 # note: this is awkward, doesn't work well if you need more than one
283 # line in configparms
284 [ "${CT_ARCH_sh}" = "y" ] && echo "no-z-defs=yes" > configparms
286 echo "libc_cv_forced_unwind=yes" > config.cache
287 echo "libc_cv_c_cleanup=yes" >> config.cache
289 # Please see the comment for the configure step in do_libc().
291 BUILD_CC="${CT_BUILD}-gcc" \
292 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O " \
293 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
295 RANLIB=${CT_TARGET}-ranlib \
297 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
299 --build="${CT_BUILD}" \
300 --host=${CT_TARGET} \
305 --with-headers="${CT_HEADERS_DIR}" \
306 --cache-file=config.cache \
308 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
311 #TODO: should check whether slibdir has been set in configparms to */lib64
312 # and copy the startfiles into the appropriate libdir.
313 CT_DoLog EXTRA "Building C library start files"
314 CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" csu/subdir_lib
316 CT_DoLog EXTRA "Installing C library start files"
317 if [ "${CT_USE_SYSROOT}" = "y" ]; then
318 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
320 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
326 # This function builds and install the full glibc
328 CT_DoStep INFO "Installing C library"
330 mkdir -p "${CT_BUILD_DIR}/build-libc"
331 cd "${CT_BUILD_DIR}/build-libc"
333 CT_DoLog EXTRA "Configuring C library"
335 # Add some default glibc config options if not given by user.
336 # We don't need to be conditional on wether the user did set different
337 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
340 case "${CT_THREADS}" in
341 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
342 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
343 none) extra_config="${extra_config} --without-__thread --without-nptl"
344 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
346 *) extra_config="${extra_config} --without-tls";;
351 case "${CT_SHARED_LIBS}" in
352 y) extra_config="${extra_config} --enable-shared";;
353 *) extra_config="${extra_config} --disable-shared";;
356 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
357 y,) extra_config="${extra_config} --with-fp";;
358 ,y) extra_config="${extra_config} --without-fp";;
361 case "$(do_libc_add_ons_list ,)" in
363 *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;
366 extra_config="${extra_config} $(do_libc_min_kernel_config)"
368 # Add some default CC args
369 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')
370 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')
371 # In case we're using a snapshot, fake a >=2.6 version.
372 if [ "${CT_LIBC_V_LATEST}" = "y" \
373 -o "${CT_LIBC_V_date}" = "y" ]; then
374 glibc_version_major=3
375 glibc_version_minor=0
377 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
378 -o ${glibc_version_major} -gt 2 ]; then
379 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
380 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
381 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
383 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
385 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
387 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
388 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
389 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
390 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
391 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
393 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
394 # note: this is awkward, doesn't work well if you need more than one line in configparms
395 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
397 # For glibc 2.3.4 and later we need to set some autoconf cache
398 # variables, because nptl/sysdeps/pthread/configure.in does not
399 # work when cross-compiling.
400 if [ "${CT_THREADS}" = "nptl" ]; then
401 echo libc_cv_forced_unwind=yes
402 echo libc_cv_c_cleanup=yes
405 # Configure with --prefix the way we want it on the target...
406 # There are a whole lot of settings here. You'll probably want
407 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
408 # Compare these options with the ones used when installing the glibc headers above - they're different.
409 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
410 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
411 # Set BUILD_CC, or you won't be able to build datafiles
412 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
414 # OK. I'm fed up with those folks telling me what I should do.
415 # I don't configure nptl? Well, maybe that's purposedly because
416 # I don't want nptl! --disable-sanity-checks will shut up those
417 # silly messages. GNU folks again, he?
419 BUILD_CC="${CT_BUILD}-gcc" \
420 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
421 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
423 RANLIB=${CT_TARGET}-ranlib \
425 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
427 --build=${CT_BUILD} \
428 --host=${CT_TARGET} \
433 --disable-sanity-checks \
434 --cache-file=config.cache \
435 --with-headers="${CT_HEADERS_DIR}" \
437 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
439 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/Makerules" > /dev/null; then
441 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
442 # is present, it means we're building glibc-2.3.3 or later, and we can't
443 # build programs yet, as they require libeh, which won't be installed
444 # until full build of gcc
445 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
446 # make-install-lib-all.patch applied, so do not pass through this
447 # part of the if statement; nonetheless, they do build, and
448 # the result is useable (maybe the dual-pass core gcc is
449 # responsible for this).
450 GLIBC_INITIAL_BUILD_RULE=lib
451 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
452 GLIBC_INSTALL_APPS_LATER=yes
455 # We can build and install everything with the bootstrap compiler.
456 # YEM-FIXME: See the above FIXME as well.
457 GLIBC_INITIAL_BUILD_RULE=all
458 GLIBC_INITIAL_INSTALL_RULE=install
459 GLIBC_INSTALL_APPS_LATER=no
462 # glibc initial build hacks
463 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
464 case "${CT_ARCH},${CT_ARCH_CPU}" in
466 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
467 GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
470 # If this fails with an error like this:
471 # ... linux/autoconf.h: No such file or directory
472 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
473 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
474 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
475 # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
476 CT_DoLog EXTRA "Building C library"
477 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
478 RANLIB=${CT_TARGET}-ranlib \
479 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
480 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
481 ${GLIBC_INITIAL_BUILD_RULE}
483 CT_DoLog EXTRA "Installing C library"
484 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
485 ${LIBC_SYSROOT_ARG} \
486 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
487 ${GLIBC_INITIAL_INSTALL_RULE}
489 # This doesn't seem to work when building a crosscompiler,
490 # as it tries to execute localedef using the just-built ld.so!?
491 #CT_DoLog EXTRA "Installing locales"
492 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
494 # Fix problems in linker scripts.
496 # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
497 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
498 # No need to look into the lib64/ dirs here and there, they point to the
499 # corresponding lib/ directories.
501 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
502 CT_DoLog EXTRA "Fixing C library linker scripts"
503 for file in libc.so libpthread.so libgcc_s.so; do
504 for dir in lib usr/lib; do
505 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
506 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
507 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
508 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
516 # This function finishes the glibc install
518 # Finally, build and install glibc programs, now that libeh (if any) is installed
519 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
520 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
521 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
522 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
524 CT_DoStep INFO "Finishing C library"
526 cd "${CT_BUILD_DIR}/build-libc"
528 CT_DoLog EXTRA "Re-building C library"
529 CT_DoExecLog ALL make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib
531 CT_DoLog EXTRA "Installing missing C library components"
532 # note: should do full install and then fix linker scripts, but this is faster
533 for t in bin rootsbin sbin data others; do
534 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
535 ${LIBC_SYSROOT_ARG} \
536 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
543 # Build up the addons list, separated with $1
544 do_libc_add_ons_list() {
546 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")
547 case "${CT_THREADS}" in
549 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
551 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
552 # Remove duplicate, leading and trailing separators
553 echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
556 # Builds up the minimum supported Linux kernel version
557 do_libc_min_kernel_config() {
558 local min_kernel_config=
559 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
561 *) if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
562 # We can't rely on the kernel version from the configuration,
563 # because it might not be available if the user uses pre-installed
564 # headers. On the other hand, both method will have the kernel
565 # version installed in "usr/include/linux/version.h" in the sys-root.
566 # Parse that instead of having two code-paths.
567 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
568 CT_TestOrAbort "Linux version is unavailable in installed headers files" -f "${version_code_file}" -a -r "${version_code_file}"
569 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)
570 version=$(((version_code>>16)&0xFF))
571 patchlevel=$(((version_code>>8)&0xFF))
572 sublevel=$((version_code&0xFF))
573 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"
574 elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
575 # Trim the fourth part of the linux version, keeping only the first three numbers
576 min_kernel_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
580 echo "${min_kernel_config}"