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
11 addons_list=($(do_libc_add_ons_list " "))
13 if [ "${CT_LIBC_GLIBC_TARBALL}" = "y" ]; then
14 # Use release tarballs
15 CT_GetFile "glibc-${CT_LIBC_VERSION}" \
16 {ftp,http}://ftp.gnu.org/gnu/glibc \
17 ftp://gcc.gnu.org/pub/glibc/releases \
18 ftp://gcc.gnu.org/pub/glibc/snapshots
21 for addon in "${addons_list[@]}"; do
22 # NPTL addon is not to be downloaded, in any case
23 [ "${addon}" = "nptl" ] && continue || true
24 CT_GetFile "glibc-${addon}-${CT_LIBC_VERSION}" \
25 {ftp,http}://ftp.gnu.org/gnu/glibc \
26 ftp://gcc.gnu.org/pub/glibc/releases \
27 ftp://gcc.gnu.org/pub/glibc/snapshots
29 elif [ "${CT_LIBC_GLIBC_CVS}" = "y" ]; then
31 version="${CT_LIBC_VERSION//./_}"
32 date="${CT_LIBC_GLIBC_CVS_date}"
34 CT_GetCVS "glibc-cvs-${CT_LIBC_VERSION}" \
35 ":pserver:anoncvs@sources.redhat.com:/cvs/glibc" \
37 "glibc-${version}-branch${date:+:}${date}" \
38 "glibc-cvs-${CT_LIBC_VERSION}"
41 for addon in "${addons_list[@]}"; do
42 # NPTL addon is not to be downloaded, in any case
43 [ "${addon}" = "nptl" ] && continue || true
44 CT_GetCVS "glibc-${addon}-cvs-${CT_LIBC_VERSION}" \
45 ":pserver:anoncvs@sources.redhat.com:/cvs/glibc" \
47 "glibc-${version}-branch${date:+:}${date}" \
48 "glibc-${addon}-cvs-${CT_LIBC_VERSION}"
60 addons_list=($(do_libc_add_ons_list " "))
62 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
64 CT_Extract "glibc-${cvs}${CT_LIBC_VERSION}"
66 CT_Pushd "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}"
67 CT_Patch "glibc-${CT_LIBC_VERSION}" nochdir
70 for addon in "${addons_list[@]}"; do
71 # NPTL addon is not to be extracted, in any case
72 [ "${addon}" = "nptl" ] && continue || true
73 CT_Extract "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" nochdir
75 # Some addons have the 'long' name, while others have the
76 # 'short' name, but patches are non-uniformly built with
77 # either the 'long' or 'short' name, whatever the addons name
78 # so we have to make symlinks from the existing to the missing
79 # Fortunately for us, [ -d foo ], when foo is a symlink to a
80 # directory, returns true!
81 [ -d "${addon}" ] || CT_DoExecLog ALL ln -s "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" "${addon}"
82 [ -d "glibc-${addon}-${cvs}${CT_LIBC_VERSION}" ] || CT_DoExecLog ALL ln -s "${addon}" "glibc-${addon}-${cvs}${CT_LIBC_VERSION}"
83 CT_Patch "glibc-${addon}-${CT_LIBC_VERSION}" nochdir
86 # The configure files may be older than the configure.in files
87 # if using a snapshot (or even some tarballs). Fake them being
90 find . -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
97 # There is nothing to do for glibc check config
98 do_libc_check_config() {
102 # This function installs the glibc headers needed to build the core compiler
105 local -a extra_config
107 CT_DoStep INFO "Installing C library headers"
109 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
111 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
112 cd "${CT_BUILD_DIR}/build-libc-headers"
114 CT_DoLog EXTRA "Configuring C library"
116 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
117 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
118 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
119 # 3. build with gcc 3.2 or later
120 # Compare these options with the ones used when building glibc for real below - they're different.
121 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
122 # so when configure checks to make sure gcc has access to the assembler you just built...
123 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
124 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
126 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
128 # is ok here, since all we want are the basic headers at this point.
129 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
130 # 'a version of binutils that supports .machine "altivec" is needed'.
132 # We need to remove any threading addon when installing headers
133 addons_list="$(do_libc_add_ons_list " " \
134 |sed -r -e 's/\<(nptl|linuxthreads)\>/ /g;' \
135 -e 's/ +/,/g; s/^,+//; s/,+$//;' \
138 extra_config+=("--enable-add-ons=${addons_list}")
140 extra_config+=("${addons_config}")
141 extra_config+=("$(do_libc_min_kernel_config)")
143 # Pre-seed the configparms file with values from the config option
144 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
146 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
147 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
148 CT_DoLog DEBUG "Extra config passed : '${extra_config[*]}'"
150 libc_cv_ppc_machine=yes \
153 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
154 --build="${CT_BUILD}" \
155 --host="${CT_TARGET}" \
157 --with-headers="${CT_HEADERS_DIR}" \
159 --disable-sanity-checks \
160 --enable-hacker-mode \
161 "${extra_config[@]}" \
164 CT_DoLog EXTRA "Installing C library headers"
166 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ChangeLog"; then
167 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
168 # which fails without a real cross-compiler.
169 # Fortunately, we don't need errlist-compat.c, since we just need .h
170 # files, so work around this by creating a fake errlist-compat.c and
171 # satisfying its dependencies.
172 # Another workaround might be to tell configure to not use any cross
174 # The real fix would be to get install-headers to not generate
176 # Note: BOOTSTRAP_GCC is used by:
177 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
179 libc_cv_ppc_machine=yes \
181 make CFLAGS="-O -DBOOTSTRAP_GCC" \
182 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
183 PARALLELMFLAGS="${PARALLELMFLAGS}" \
184 sysdeps/gnu/errlist.c
185 mkdir -p stdio-common
187 # sleep for 2 seconds for benefit of filesystems with lousy time
188 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
191 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
193 # Note: BOOTSTRAP_GCC (see above)
194 libc_cv_ppc_machine=yes \
196 make cross-compiling=yes \
197 install_root=${CT_SYSROOT_DIR} \
198 CFLAGS="-O -DBOOTSTRAP_GCC" \
199 ${LIBC_SYSROOT_ARG} \
200 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
201 PARALLELMFLAGS="${PARALLELMFLAGS}" \
204 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
205 # so do them by hand. We can tolerate an empty stubs.h for the moment.
206 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
207 mkdir -p "${CT_HEADERS_DIR}/gnu"
208 CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
209 CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/include/features.h" \
210 "${CT_HEADERS_DIR}/features.h"
212 # Building the bootstrap gcc requires either setting inhibit_libc, or
213 # having a copy of stdio_lim.h... see
214 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
215 CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
217 # Following error building gcc-4.0.0's gcj:
218 # error: bits/syscall.h: No such file or directory
219 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
220 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
221 [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
223 # Those headers are to be manually copied so gcc can build properly
224 pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
226 case "${CT_THREADS}" in
228 # NOTE: for some archs, the pathes are different, but they are not
229 # supported by crosstool-NG right now. See original crosstool when they are.
230 pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
231 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
232 if [ ! -f "${pthreadtypes_h}" ]; then
233 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ports/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"
237 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
244 if [ -n "${pthread_h}" ]; then
245 CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"
247 if [ -n "${pthreadtypes_h}" ]; then
248 CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"
254 # Build and install start files
255 do_libc_start_files() {
257 local -a extra_config
259 # Needed only in the NPTL case. Otherwise, return.
260 [ "${CT_THREADS}" = "nptl" ] || return 0
262 CT_DoStep INFO "Installing C library start files"
264 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
266 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
267 cd "${CT_BUILD_DIR}/build-libc-startfiles"
269 CT_DoLog EXTRA "Configuring C library"
271 # Add some default glibc config options if not given by user.
272 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
274 *) extra_config+=("--with-tls")
276 case "${CT_SHARED_LIBS}" in
277 y) extra_config+=("--enable-shared");;
278 *) extra_config+=("--disable-shared");;
280 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
281 y,) extra_config+=("--with-fp");;
282 ,y) extra_config+=("--without-fp");;
284 # Obviously, we want threads, as we come here only for NPTL
285 extra_config+=("--with-__thread")
287 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
288 extra_config+=("${addons_config}")
290 extra_config+=("$(do_libc_min_kernel_config)")
292 # Add some default CC args
293 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
294 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
295 # In case we're using a snapshot, fake a >=2.6 version.
296 if [ "${CT_LIBC_V_LATEST}" = "y" \
297 -o "${CT_LIBC_V_date}" = "y" ]; then
298 glibc_version_major=3
299 glibc_version_minor=0
301 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
302 -o ${glibc_version_major} -gt 2 ]; then
303 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
304 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
305 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
307 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
309 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
311 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
312 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
313 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
314 CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
315 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
317 # Pre-seed the configparms file with values from the config option
318 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
320 echo "libc_cv_forced_unwind=yes" > config.cache
321 echo "libc_cv_c_cleanup=yes" >> config.cache
323 # Please see the comment for the configure step in do_libc().
325 BUILD_CC="${CT_BUILD}-gcc" \
326 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O " \
327 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
329 RANLIB=${CT_TARGET}-ranlib \
331 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
333 --build="${CT_BUILD}" \
334 --host=${CT_TARGET} \
339 --with-headers="${CT_HEADERS_DIR}" \
340 --cache-file=config.cache \
341 "${extra_config[@]}" \
342 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
344 #TODO: should check whether slibdir has been set in configparms to */lib64
345 # and copy the startfiles into the appropriate libdir.
346 CT_DoLog EXTRA "Building C library start files"
347 CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
348 PARALLELMFLAGS="${PARALLELMFLAGS}" \
351 CT_DoLog EXTRA "Installing C library start files"
352 if [ "${CT_USE_SYSROOT}" = "y" ]; then
353 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
355 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
361 # This function builds and install the full glibc
364 local -a extra_config
366 CT_DoStep INFO "Installing C library"
368 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
370 mkdir -p "${CT_BUILD_DIR}/build-libc"
371 cd "${CT_BUILD_DIR}/build-libc"
373 CT_DoLog EXTRA "Configuring C library"
375 # Add some default glibc config options if not given by user.
376 # We don't need to be conditional on wether the user did set different
377 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
379 case "${CT_THREADS}" in
380 nptl) extra_config+=("--with-__thread" "--with-tls");;
381 linuxthreads) extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
382 none) extra_config+=("--without-__thread" "--without-nptl")
383 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
385 *) extra_config+=("--without-tls");;
390 case "${CT_SHARED_LIBS}" in
391 y) extra_config+=("--enable-shared");;
392 *) extra_config+=("--disable-shared");;
395 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
396 y,) extra_config+=("--with-fp");;
397 ,y) extra_config+=("--without-fp");;
400 case "$(do_libc_add_ons_list ,)" in
402 *) extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
405 extra_config+=("$(do_libc_min_kernel_config)")
407 # Add some default CC args
408 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
409 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
410 # In case we're using a snapshot, fake a >=2.6 version.
411 if [ "${CT_LIBC_V_LATEST}" = "y" \
412 -o "${CT_LIBC_V_date}" = "y" ]; then
413 glibc_version_major=3
414 glibc_version_minor=0
416 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
417 -o ${glibc_version_major} -gt 2 ]; then
418 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
419 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
420 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
422 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
424 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
426 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
427 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
428 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
429 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
430 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
432 # Pre-seed the configparms file with values from the config option
433 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
435 # For glibc 2.3.4 and later we need to set some autoconf cache
436 # variables, because nptl/sysdeps/pthread/configure.in does not
437 # work when cross-compiling.
438 if [ "${CT_THREADS}" = "nptl" ]; then
439 echo libc_cv_forced_unwind=yes
440 echo libc_cv_c_cleanup=yes
443 # Configure with --prefix the way we want it on the target...
444 # There are a whole lot of settings here. You'll probably want
445 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
446 # Compare these options with the ones used when installing the glibc headers above - they're different.
447 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
448 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
449 # Set BUILD_CC, or you won't be able to build datafiles
450 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
452 # OK. I'm fed up with those folks telling me what I should do.
453 # I don't configure nptl? Well, maybe that's purposedly because
454 # I don't want nptl! --disable-sanity-checks will shut up those
455 # silly messages. GNU folks again, he?
457 BUILD_CC="${CT_BUILD}-gcc" \
458 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
459 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
461 RANLIB=${CT_TARGET}-ranlib \
463 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
465 --build=${CT_BUILD} \
466 --host=${CT_TARGET} \
471 --disable-sanity-checks \
472 --cache-file=config.cache \
473 --with-headers="${CT_HEADERS_DIR}" \
474 "${extra_config[@]}" \
475 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
477 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/Makerules" > /dev/null; then
479 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
480 # is present, it means we're building glibc-2.3.3 or later, and we can't
481 # build programs yet, as they require libeh, which won't be installed
482 # until full build of gcc
483 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
484 # make-install-lib-all.patch applied, so do not pass through this
485 # part of the if statement; nonetheless, they do build, and
486 # the result is useable (maybe the dual-pass core gcc is
487 # responsible for this).
488 GLIBC_INITIAL_BUILD_RULE=lib
489 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
490 GLIBC_INSTALL_APPS_LATER=yes
493 # We can build and install everything with the bootstrap compiler.
494 # YEM-FIXME: See the above FIXME as well.
495 GLIBC_INITIAL_BUILD_RULE=all
496 GLIBC_INITIAL_INSTALL_RULE=install
497 GLIBC_INSTALL_APPS_LATER=no
500 # glibc initial build hacks
501 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
502 case "${CT_ARCH},${CT_ARCH_CPU}" in
504 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
505 GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
508 # If this fails with an error like this:
509 # ... linux/autoconf.h: No such file or directory
510 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
511 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
512 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
513 CT_DoLog EXTRA "Building C library"
514 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
515 RANLIB=${CT_TARGET}-ranlib \
516 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
517 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
518 PARALLELMFLAGS="${PARALLELMFLAGS}" \
519 ${GLIBC_INITIAL_BUILD_RULE}
521 CT_DoLog EXTRA "Installing C library"
522 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
523 ${LIBC_SYSROOT_ARG} \
524 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
525 PARALLELMFLAGS="${PARALLELMFLAGS}" \
526 ${GLIBC_INITIAL_INSTALL_RULE}
528 # This doesn't seem to work when building a crosscompiler,
529 # as it tries to execute localedef using the just-built ld.so!?
530 #CT_DoLog EXTRA "Installing locales"
531 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
533 # Fix problems in linker scripts.
535 # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
536 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
537 # No need to look into the lib64/ dirs here and there, they point to the
538 # corresponding lib/ directories.
540 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
541 CT_DoLog EXTRA "Fixing C library linker scripts"
542 for file in libc.so libpthread.so libgcc_s.so; do
543 for dir in lib usr/lib; do
544 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
545 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
546 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
547 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
555 # This function finishes the glibc install
557 # Finally, build and install glibc programs, now that libeh (if any) is installed
558 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
559 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
560 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
561 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
563 CT_DoStep INFO "Finishing C library"
565 cd "${CT_BUILD_DIR}/build-libc"
567 CT_DoLog EXTRA "Re-building C library"
568 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
569 RANLIB=${CT_TARGET}-ranlib \
570 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
571 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
572 PARALLELMFLAGS="${PARALLELMFLAGS}"
574 CT_DoLog EXTRA "Installing missing C library components"
575 # note: should do full install and then fix linker scripts, but this is faster
576 for t in bin rootsbin sbin data others; do
577 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
578 ${LIBC_SYSROOT_ARG} \
579 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
580 PARALLELMFLAGS="${PARALLELMFLAGS}" \
587 # Build up the addons list, separated with $1
588 do_libc_add_ons_list() {
590 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")
591 case "${CT_THREADS}" in
593 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
595 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
596 # Remove duplicate, leading and trailing separators
597 echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
600 # Builds up the minimum supported Linux kernel version
601 do_libc_min_kernel_config() {
602 local min_kernel_config=
603 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
605 *) if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
606 # We can't rely on the kernel version from the configuration,
607 # because it might not be available if the user uses pre-installed
608 # headers. On the other hand, both method will have the kernel
609 # version installed in "usr/include/linux/version.h" in the sys-root.
610 # Parse that instead of having two code-paths.
611 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
612 CT_TestOrAbort "Linux version is unavailable in installed headers files" -f "${version_code_file}" -a -r "${version_code_file}"
613 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)
614 version=$(((version_code>>16)&0xFF))
615 patchlevel=$(((version_code>>8)&0xFF))
616 sublevel=$((version_code&0xFF))
617 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"
618 elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
619 # Trim the fourth part of the linux version, keeping only the first three numbers
620 min_kernel_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
624 echo "${min_kernel_config}"