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
10 if [ "${CT_LIBC_GLIBC_TARBALL}" = "y" ]; then
11 # Use release tarballs
12 CT_GetFile "glibc-${CT_LIBC_VERSION}" \
13 {ftp,http}://ftp.gnu.org/gnu/glibc \
14 ftp://gcc.gnu.org/pub/glibc/releases \
15 ftp://gcc.gnu.org/pub/glibc/snapshots
18 for addon in $(do_libc_add_ons_list " "); do
19 # NPTL addon is not to be downloaded, in any case
20 [ "${addon}" = "nptl" ] && continue || true
21 CT_GetFile "glibc-${addon}-${CT_LIBC_VERSION}" \
22 {ftp,http}://ftp.gnu.org/gnu/glibc \
23 ftp://gcc.gnu.org/pub/glibc/releases \
24 ftp://gcc.gnu.org/pub/glibc/snapshots
26 elif [ "${CT_LIBC_GLIBC_CVS}" = "y" ]; then
28 version="${CT_LIBC_VERSION//./_}"
29 date="${CT_LIBC_GLIBC_CVS_date}"
31 CT_GetCVS "glibc-cvs-${CT_LIBC_VERSION}" \
32 ":pserver:anoncvs@sources.redhat.com:/cvs/glibc" \
34 "glibc-${version}-branch${date:+:}${date}" \
35 "glibc-cvs-${CT_LIBC_VERSION}"
38 for addon in $(do_libc_add_ons_list " "); do
39 # NPTL addon is not to be downloaded, in any case
40 [ "${addon}" = "nptl" ] && continue || true
41 CT_GetCVS "glibc-${addon}-cvs-${CT_LIBC_VERSION}" \
42 ":pserver:anoncvs@sources.redhat.com:/cvs/glibc" \
44 "glibc-${version}-branch${date:+:}${date}" \
45 "glibc-${addon}-cvs-${CT_LIBC_VERSION}"
47 # elif [ "${CT_LIBC_GLIBC_SNAPSHOT}" = "y" ]; then
48 # : # Not yet handled...
58 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
60 CT_Extract "glibc-${cvs}${CT_LIBC_VERSION}"
62 CT_Pushd "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}"
63 CT_Patch "glibc-${CT_LIBC_VERSION}" nochdir
66 for addon in $(do_libc_add_ons_list " "); do
67 # NPTL addon is not to be extracted, in any case
68 [ "${addon}" = "nptl" ] && continue || true
69 CT_Extract "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" nochdir
71 # Some addons have the 'long' name, while others have the
72 # 'short' name, but patches are non-uniformly built with
73 # either the 'long' or 'short' name, whatever the addons name
74 # so we have to make symlinks from the existing to the missing
75 # Fortunately for us, [ -d foo ], when foo is a symlink to a
76 # directory, returns true!
77 [ -d "${addon}" ] || CT_DoExecLog ALL ln -s "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" "${addon}"
78 [ -d "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" ] || CT_DoExecLog ALL ln -s "${addon}" "glibc-${addon}-${cvs}${CT_LIBC_VERSION}"
79 CT_Patch "glibc-${addon}-${CT_LIBC_VERSION}" nochdir
82 # The configure files may be older than the configure.in files
83 # if using a snapshot (or even some tarballs). Fake them being
85 find . -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
92 # There is nothing to do for glibc check config
93 do_libc_check_config() {
97 # This function installs the glibc headers needed to build the core compiler
101 CT_DoStep INFO "Installing C library headers"
103 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
105 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
106 cd "${CT_BUILD_DIR}/build-libc-headers"
108 CT_DoLog EXTRA "Configuring C library"
110 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
111 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
112 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
113 # 3. build with gcc 3.2 or later
114 # Compare these options with the ones used when building glibc for real below - they're different.
115 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
116 # so when configure checks to make sure gcc has access to the assembler you just built...
117 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
118 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
120 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
122 # is ok here, since all we want are the basic headers at this point.
123 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
124 # 'a version of binutils that supports .machine "altivec" is needed'.
126 addons_list="$(do_libc_add_ons_list ,)"
127 # We need to remove any threading addon when installing headers
128 addons_list="${addons_list//nptl/}"
129 addons_list="${addons_list//linuxthreads/}"
130 # Remove duplicate, leading and trailing separators
131 addons_config="--enable-add-ons=$(echo "${addons_list}" |sed -r -e 's/,+/,/; s/^,//; s/,$//g;')"
133 extra_config="${addons_config} $(do_libc_min_kernel_config)"
135 # Pre-seed the configparms file with values from the config option
136 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
138 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
139 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
140 CT_DoLog DEBUG "Extra config passed : '${extra_config}'"
142 libc_cv_ppc_machine=yes \
145 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
146 --build="${CT_BUILD}" \
147 --host="${CT_TARGET}" \
149 --with-headers="${CT_HEADERS_DIR}" \
151 --disable-sanity-checks \
152 --enable-hacker-mode \
156 CT_DoLog EXTRA "Installing C library headers"
158 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ChangeLog"; then
159 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
160 # which fails without a real cross-compiler.
161 # Fortunately, we don't need errlist-compat.c, since we just need .h
162 # files, so work around this by creating a fake errlist-compat.c and
163 # satisfying its dependencies.
164 # Another workaround might be to tell configure to not use any cross
166 # The real fix would be to get install-headers to not generate
168 # Note: BOOTSTRAP_GCC is used by:
169 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
171 libc_cv_ppc_machine=yes \
173 make CFLAGS="-O -DBOOTSTRAP_GCC" \
174 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
175 PARALLELMFLAGS="${PARALLELMFLAGS}" \
176 sysdeps/gnu/errlist.c
177 mkdir -p stdio-common
179 # sleep for 2 seconds for benefit of filesystems with lousy time
180 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
183 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
185 # Note: BOOTSTRAP_GCC (see above)
186 libc_cv_ppc_machine=yes \
188 make cross-compiling=yes \
189 install_root=${CT_SYSROOT_DIR} \
190 CFLAGS="-O -DBOOTSTRAP_GCC" \
191 ${LIBC_SYSROOT_ARG} \
192 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
193 PARALLELMFLAGS="${PARALLELMFLAGS}" \
196 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
197 # so do them by hand. We can tolerate an empty stubs.h for the moment.
198 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
199 mkdir -p "${CT_HEADERS_DIR}/gnu"
200 CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
201 CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/include/features.h" \
202 "${CT_HEADERS_DIR}/features.h"
204 # Building the bootstrap gcc requires either setting inhibit_libc, or
205 # having a copy of stdio_lim.h... see
206 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
207 CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
209 # Following error building gcc-4.0.0's gcj:
210 # error: bits/syscall.h: No such file or directory
211 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
212 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
213 [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
215 # Those headers are to be manually copied so gcc can build properly
216 pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
218 case "${CT_THREADS}" in
220 # NOTE: for some archs, the pathes are different, but they are not
221 # supported by crosstool-NG right now. See original crosstool when they are.
222 pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
223 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
224 if [ ! -f "${pthreadtypes_h}" ]; then
225 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ports/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"
229 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
236 if [ -n "${pthread_h}" ]; then
237 CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"
239 if [ -n "${pthreadtypes_h}" ]; then
240 CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"
246 # Build and install start files
247 do_libc_start_files() {
250 # Needed only in the NPTL case. Otherwise, return.
251 [ "${CT_THREADS}" = "nptl" ] || return 0
253 CT_DoStep INFO "Installing C library start files"
255 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
257 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
258 cd "${CT_BUILD_DIR}/build-libc-startfiles"
260 CT_DoLog EXTRA "Configuring C library"
262 # Add some default glibc config options if not given by user.
264 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
266 *) extra_config="${extra_config} --with-tls"
268 case "${CT_SHARED_LIBS}" in
269 y) extra_config="${extra_config} --enable-shared";;
270 *) extra_config="${extra_config} --disable-shared";;
272 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
273 y,) extra_config="${extra_config} --with-fp";;
274 ,y) extra_config="${extra_config} --without-fp";;
276 # Obviously, we want threads, as we come here only for NPTL
277 extra_config="${extra_config} --with-__thread"
279 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
280 extra_config="${extra_config} ${addons_config}"
282 extra_config="${extra_config} $(do_libc_min_kernel_config)"
284 # Add some default CC args
285 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
286 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
287 # In case we're using a snapshot, fake a >=2.6 version.
288 if [ "${CT_LIBC_V_LATEST}" = "y" \
289 -o "${CT_LIBC_V_date}" = "y" ]; then
290 glibc_version_major=3
291 glibc_version_minor=0
293 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
294 -o ${glibc_version_major} -gt 2 ]; then
295 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
296 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
297 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
299 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
301 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
303 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
304 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
305 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
306 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
307 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
309 # Pre-seed the configparms file with values from the config option
310 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
312 echo "libc_cv_forced_unwind=yes" > config.cache
313 echo "libc_cv_c_cleanup=yes" >> config.cache
315 # Please see the comment for the configure step in do_libc().
317 BUILD_CC="${CT_BUILD}-gcc" \
318 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O " \
319 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
321 RANLIB=${CT_TARGET}-ranlib \
323 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
325 --build="${CT_BUILD}" \
326 --host=${CT_TARGET} \
331 --with-headers="${CT_HEADERS_DIR}" \
332 --cache-file=config.cache \
334 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
336 #TODO: should check whether slibdir has been set in configparms to */lib64
337 # and copy the startfiles into the appropriate libdir.
338 CT_DoLog EXTRA "Building C library start files"
339 CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
340 PARALLELMFLAGS="${PARALLELMFLAGS}" \
343 CT_DoLog EXTRA "Installing C library start files"
344 if [ "${CT_USE_SYSROOT}" = "y" ]; then
345 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
347 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
353 # This function builds and install the full glibc
357 CT_DoStep INFO "Installing C library"
359 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
361 mkdir -p "${CT_BUILD_DIR}/build-libc"
362 cd "${CT_BUILD_DIR}/build-libc"
364 CT_DoLog EXTRA "Configuring C library"
366 # Add some default glibc config options if not given by user.
367 # We don't need to be conditional on wether the user did set different
368 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
371 case "${CT_THREADS}" in
372 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
373 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
374 none) extra_config="${extra_config} --without-__thread --without-nptl"
375 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
377 *) extra_config="${extra_config} --without-tls";;
382 case "${CT_SHARED_LIBS}" in
383 y) extra_config="${extra_config} --enable-shared";;
384 *) extra_config="${extra_config} --disable-shared";;
387 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
388 y,) extra_config="${extra_config} --with-fp";;
389 ,y) extra_config="${extra_config} --without-fp";;
392 case "$(do_libc_add_ons_list ,)" in
394 *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;
397 extra_config="${extra_config} $(do_libc_min_kernel_config)"
399 # Add some default CC args
400 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
401 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
402 # In case we're using a snapshot, fake a >=2.6 version.
403 if [ "${CT_LIBC_V_LATEST}" = "y" \
404 -o "${CT_LIBC_V_date}" = "y" ]; then
405 glibc_version_major=3
406 glibc_version_minor=0
408 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
409 -o ${glibc_version_major} -gt 2 ]; then
410 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
411 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
412 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
414 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
416 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
418 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
419 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
420 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
421 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
422 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
424 # Pre-seed the configparms file with values from the config option
425 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
427 # For glibc 2.3.4 and later we need to set some autoconf cache
428 # variables, because nptl/sysdeps/pthread/configure.in does not
429 # work when cross-compiling.
430 if [ "${CT_THREADS}" = "nptl" ]; then
431 echo libc_cv_forced_unwind=yes
432 echo libc_cv_c_cleanup=yes
435 # Configure with --prefix the way we want it on the target...
436 # There are a whole lot of settings here. You'll probably want
437 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
438 # Compare these options with the ones used when installing the glibc headers above - they're different.
439 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
440 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
441 # Set BUILD_CC, or you won't be able to build datafiles
442 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
444 # OK. I'm fed up with those folks telling me what I should do.
445 # I don't configure nptl? Well, maybe that's purposedly because
446 # I don't want nptl! --disable-sanity-checks will shut up those
447 # silly messages. GNU folks again, he?
449 BUILD_CC="${CT_BUILD}-gcc" \
450 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
451 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
453 RANLIB=${CT_TARGET}-ranlib \
455 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
457 --build=${CT_BUILD} \
458 --host=${CT_TARGET} \
463 --disable-sanity-checks \
464 --cache-file=config.cache \
465 --with-headers="${CT_HEADERS_DIR}" \
467 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
469 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/Makerules" > /dev/null; then
471 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
472 # is present, it means we're building glibc-2.3.3 or later, and we can't
473 # build programs yet, as they require libeh, which won't be installed
474 # until full build of gcc
475 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
476 # make-install-lib-all.patch applied, so do not pass through this
477 # part of the if statement; nonetheless, they do build, and
478 # the result is useable (maybe the dual-pass core gcc is
479 # responsible for this).
480 GLIBC_INITIAL_BUILD_RULE=lib
481 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
482 GLIBC_INSTALL_APPS_LATER=yes
485 # We can build and install everything with the bootstrap compiler.
486 # YEM-FIXME: See the above FIXME as well.
487 GLIBC_INITIAL_BUILD_RULE=all
488 GLIBC_INITIAL_INSTALL_RULE=install
489 GLIBC_INSTALL_APPS_LATER=no
492 # glibc initial build hacks
493 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
494 case "${CT_ARCH},${CT_ARCH_CPU}" in
496 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
497 GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
500 # If this fails with an error like this:
501 # ... linux/autoconf.h: No such file or directory
502 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
503 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
504 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
505 CT_DoLog EXTRA "Building C library"
506 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
507 RANLIB=${CT_TARGET}-ranlib \
508 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
509 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
510 PARALLELMFLAGS="${PARALLELMFLAGS}" \
511 ${GLIBC_INITIAL_BUILD_RULE}
513 CT_DoLog EXTRA "Installing C library"
514 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
515 ${LIBC_SYSROOT_ARG} \
516 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
517 PARALLELMFLAGS="${PARALLELMFLAGS}" \
518 ${GLIBC_INITIAL_INSTALL_RULE}
520 # This doesn't seem to work when building a crosscompiler,
521 # as it tries to execute localedef using the just-built ld.so!?
522 #CT_DoLog EXTRA "Installing locales"
523 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
525 # Fix problems in linker scripts.
527 # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
528 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
529 # No need to look into the lib64/ dirs here and there, they point to the
530 # corresponding lib/ directories.
532 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
533 CT_DoLog EXTRA "Fixing C library linker scripts"
534 for file in libc.so libpthread.so libgcc_s.so; do
535 for dir in lib usr/lib; do
536 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
537 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
538 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
539 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
547 # This function finishes the glibc install
549 # Finally, build and install glibc programs, now that libeh (if any) is installed
550 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
551 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
552 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
553 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
555 CT_DoStep INFO "Finishing C library"
557 cd "${CT_BUILD_DIR}/build-libc"
559 CT_DoLog EXTRA "Re-building C library"
560 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
561 RANLIB=${CT_TARGET}-ranlib \
562 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
563 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
564 PARALLELMFLAGS="${PARALLELMFLAGS}"
566 CT_DoLog EXTRA "Installing missing C library components"
567 # note: should do full install and then fix linker scripts, but this is faster
568 for t in bin rootsbin sbin data others; do
569 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
570 ${LIBC_SYSROOT_ARG} \
571 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
572 PARALLELMFLAGS="${PARALLELMFLAGS}" \
579 # Build up the addons list, separated with $1
580 do_libc_add_ons_list() {
582 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")
583 case "${CT_THREADS}" in
585 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
587 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
588 # Remove duplicate, leading and trailing separators
589 echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
592 # Builds up the minimum supported Linux kernel version
593 do_libc_min_kernel_config() {
594 local min_kernel_config=
595 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
597 *) if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
598 # We can't rely on the kernel version from the configuration,
599 # because it might not be available if the user uses pre-installed
600 # headers. On the other hand, both method will have the kernel
601 # version installed in "usr/include/linux/version.h" in the sys-root.
602 # Parse that instead of having two code-paths.
603 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
604 CT_TestOrAbort "Linux version is unavailable in installed headers files" -f "${version_code_file}" -a -r "${version_code_file}"
605 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)
606 version=$(((version_code>>16)&0xFF))
607 patchlevel=$(((version_code>>8)&0xFF))
608 sublevel=$((version_code&0xFF))
609 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"
610 elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
611 # Trim the fourth part of the linux version, keeping only the first three numbers
612 min_kernel_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
616 echo "${min_kernel_config}"