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+=("$(do_libc_min_kernel_config)")
143 # Pre-seed the configparms file with values from the config option
144 printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > 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 \
151 libc_cv_mlong_double_128=yes \
152 libc_cv_mlong_double_128ibm=yes \
155 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
156 --build="${CT_BUILD}" \
157 --host="${CT_TARGET}" \
159 --with-headers="${CT_HEADERS_DIR}" \
161 --disable-sanity-checks \
162 --enable-hacker-mode \
163 "${extra_config[@]}" \
166 CT_DoLog EXTRA "Installing C library headers"
168 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ChangeLog"; then
169 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
170 # which fails without a real cross-compiler.
171 # Fortunately, we don't need errlist-compat.c, since we just need .h
172 # files, so work around this by creating a fake errlist-compat.c and
173 # satisfying its dependencies.
174 # Another workaround might be to tell configure to not use any cross
176 # The real fix would be to get install-headers to not generate
178 # Note: BOOTSTRAP_GCC is used by:
179 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
181 libc_cv_ppc_machine=yes \
183 make CFLAGS="-O2 -DBOOTSTRAP_GCC" \
184 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
185 PARALLELMFLAGS="${PARALLELMFLAGS}" \
186 sysdeps/gnu/errlist.c
187 mkdir -p stdio-common
189 # sleep for 2 seconds for benefit of filesystems with lousy time
190 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
193 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
195 # Note: BOOTSTRAP_GCC (see above)
196 libc_cv_ppc_machine=yes \
198 make cross-compiling=yes \
199 install_root=${CT_SYSROOT_DIR} \
200 CFLAGS="-O2 -DBOOTSTRAP_GCC" \
201 ${LIBC_SYSROOT_ARG} \
202 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
203 PARALLELMFLAGS="${PARALLELMFLAGS}" \
206 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
207 # so do them by hand. We can tolerate an empty stubs.h for the moment.
208 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
209 mkdir -p "${CT_HEADERS_DIR}/gnu"
210 CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
211 CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/include/features.h" \
212 "${CT_HEADERS_DIR}/features.h"
214 # Building the bootstrap gcc requires either setting inhibit_libc, or
215 # having a copy of stdio_lim.h... see
216 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
217 CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
219 # Following error building gcc-4.0.0's gcj:
220 # error: bits/syscall.h: No such file or directory
221 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
222 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
223 [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
225 # Those headers are to be manually copied so gcc can build properly
226 pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
228 case "${CT_THREADS}" in
230 # NOTE: for some archs, the pathes are different, but they are not
231 # supported by crosstool-NG right now. See original crosstool when they are.
232 pthread_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
233 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
234 if [ ! -f "${pthreadtypes_h}" ]; then
235 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/ports/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"
239 pthreadtypes_h="${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
246 if [ -n "${pthread_h}" ]; then
247 CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"
249 if [ -n "${pthreadtypes_h}" ]; then
250 CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"
256 # Build and install start files
257 do_libc_start_files() {
259 local -a extra_config
261 # Needed only in the NPTL case. Otherwise, return.
262 [ "${CT_THREADS}" = "nptl" ] || return 0
264 CT_DoStep INFO "Installing C library start files"
266 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
268 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
269 cd "${CT_BUILD_DIR}/build-libc-startfiles"
271 CT_DoLog EXTRA "Configuring C library"
273 # Add some default glibc config options if not given by user.
274 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
276 *) extra_config+=("--with-tls")
278 case "${CT_SHARED_LIBS}" in
279 y) extra_config+=("--enable-shared");;
280 *) extra_config+=("--disable-shared");;
282 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
283 y,) extra_config+=("--with-fp");;
284 ,y) extra_config+=("--without-fp");;
286 # Obviously, we want threads, as we come here only for NPTL
287 extra_config+=("--with-__thread")
289 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
290 extra_config+=("${addons_config}")
292 extra_config+=("$(do_libc_min_kernel_config)")
294 # Add some default CC args
295 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
296 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
297 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
298 -o ${glibc_version_major} -gt 2 ]; then
299 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
300 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
301 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
303 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
305 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
307 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
308 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
309 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
310 CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
311 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
313 # Pre-seed the configparms file with values from the config option
314 printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
316 echo "libc_cv_forced_unwind=yes" > config.cache
317 echo "libc_cv_c_cleanup=yes" >> config.cache
319 # Please see the comment for the configure step in do_libc().
321 BUILD_CC="${CT_BUILD}-gcc" \
322 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2" \
323 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
325 RANLIB=${CT_TARGET}-ranlib \
327 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
329 --build="${CT_BUILD}" \
330 --host=${CT_TARGET} \
335 --with-headers="${CT_HEADERS_DIR}" \
336 --cache-file=config.cache \
337 "${extra_config[@]}" \
338 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
340 #TODO: should check whether slibdir has been set in configparms to */lib64
341 # and copy the startfiles into the appropriate libdir.
342 CT_DoLog EXTRA "Building C library start files"
343 CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
344 PARALLELMFLAGS="${PARALLELMFLAGS}" \
347 CT_DoLog EXTRA "Installing C library start files"
348 if [ "${CT_USE_SYSROOT}" = "y" ]; then
349 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
351 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
357 # This function builds and install the full glibc
360 local -a extra_config
362 CT_DoStep INFO "Installing C library"
364 [ "${CT_LIBC_GLIBC_CVS}" = "y" ] && cvs="cvs-"
366 mkdir -p "${CT_BUILD_DIR}/build-libc"
367 cd "${CT_BUILD_DIR}/build-libc"
369 CT_DoLog EXTRA "Configuring C library"
371 # Add some default glibc config options if not given by user.
372 # We don't need to be conditional on wether the user did set different
373 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
375 case "${CT_THREADS}" in
376 nptl) extra_config+=("--with-__thread" "--with-tls");;
377 linuxthreads) extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
378 none) extra_config+=("--without-__thread" "--without-nptl")
379 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
381 *) extra_config+=("--without-tls");;
386 case "${CT_SHARED_LIBS}" in
387 y) extra_config+=("--enable-shared");;
388 *) extra_config+=("--disable-shared");;
391 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
392 y,) extra_config+=("--with-fp");;
393 ,y) extra_config+=("--without-fp");;
396 case "$(do_libc_add_ons_list ,)" in
398 *) extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
401 extra_config+=("$(do_libc_min_kernel_config)")
403 # Add some default CC args
404 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
405 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
406 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
407 -o ${glibc_version_major} -gt 2 ]; then
408 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
409 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
410 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
412 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
414 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
416 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
417 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
418 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
419 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
420 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
422 # Pre-seed the configparms file with values from the config option
423 printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
425 # For glibc 2.3.4 and later we need to set some autoconf cache
426 # variables, because nptl/sysdeps/pthread/configure.in does not
427 # work when cross-compiling.
428 if [ "${CT_THREADS}" = "nptl" ]; then
429 echo libc_cv_forced_unwind=yes
430 echo libc_cv_c_cleanup=yes
433 # Configure with --prefix the way we want it on the target...
434 # There are a whole lot of settings here. You'll probably want
435 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
436 # Compare these options with the ones used when installing the glibc headers above - they're different.
437 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
438 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
439 # Set BUILD_CC, or you won't be able to build datafiles
440 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
442 # OK. I'm fed up with those folks telling me what I should do.
443 # I don't configure nptl? Well, maybe that's purposedly because
444 # I don't want nptl! --disable-sanity-checks will shut up those
445 # silly messages. GNU folks again, he?
447 BUILD_CC="${CT_BUILD}-gcc" \
448 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2" \
449 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
451 RANLIB=${CT_TARGET}-ranlib \
453 "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure" \
455 --build=${CT_BUILD} \
456 --host=${CT_TARGET} \
461 --disable-sanity-checks \
462 --cache-file=config.cache \
463 --with-headers="${CT_HEADERS_DIR}" \
464 "${extra_config[@]}" \
465 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
467 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/Makerules" > /dev/null; then
469 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
470 # is present, it means we're building glibc-2.3.3 or later, and we can't
471 # build programs yet, as they require libeh, which won't be installed
472 # until full build of gcc
473 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
474 # make-install-lib-all.patch applied, so do not pass through this
475 # part of the if statement; nonetheless, they do build, and
476 # the result is useable (maybe the dual-pass core gcc is
477 # responsible for this).
478 GLIBC_INITIAL_BUILD_RULE=lib
479 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
480 GLIBC_INSTALL_APPS_LATER=yes
483 # We can build and install everything with the bootstrap compiler.
484 # YEM-FIXME: See the above FIXME as well.
485 GLIBC_INITIAL_BUILD_RULE=all
486 GLIBC_INITIAL_INSTALL_RULE=install
487 GLIBC_INSTALL_APPS_LATER=no
490 # glibc initial build hacks
491 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
492 case "${CT_ARCH},${CT_ARCH_CPU}" in
494 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
495 GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
498 # If this fails with an error like this:
499 # ... linux/autoconf.h: No such file or directory
500 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
501 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
502 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
503 CT_DoLog EXTRA "Building C library"
504 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
505 RANLIB=${CT_TARGET}-ranlib \
506 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
507 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
508 PARALLELMFLAGS="${PARALLELMFLAGS}" \
509 ${GLIBC_INITIAL_BUILD_RULE}
511 CT_DoLog EXTRA "Installing C library"
512 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
513 ${LIBC_SYSROOT_ARG} \
514 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
515 PARALLELMFLAGS="${PARALLELMFLAGS}" \
516 ${GLIBC_INITIAL_INSTALL_RULE}
518 # This doesn't seem to work when building a crosscompiler,
519 # as it tries to execute localedef using the just-built ld.so!?
520 #CT_DoLog EXTRA "Installing locales"
521 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
523 # Fix problems in linker scripts.
525 # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
526 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
527 # No need to look into the lib64/ dirs here and there, they point to the
528 # corresponding lib/ directories.
530 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
531 CT_DoLog EXTRA "Fixing C library linker scripts"
532 for file in libc.so libpthread.so libgcc_s.so; do
533 for dir in lib usr/lib; do
534 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
535 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
536 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
537 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
545 # This function finishes the glibc install
547 # Finally, build and install glibc programs, now that libeh (if any) is installed
548 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
549 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
550 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
551 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
553 CT_DoStep INFO "Finishing C library"
555 cd "${CT_BUILD_DIR}/build-libc"
557 CT_DoLog EXTRA "Re-building C library"
558 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
559 RANLIB=${CT_TARGET}-ranlib \
560 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
561 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
562 PARALLELMFLAGS="${PARALLELMFLAGS}"
564 CT_DoLog EXTRA "Installing missing C library components"
565 # note: should do full install and then fix linker scripts, but this is faster
566 for t in bin rootsbin sbin data others; do
567 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
568 ${LIBC_SYSROOT_ARG} \
569 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
570 PARALLELMFLAGS="${PARALLELMFLAGS}" \
577 # Build up the addons list, separated with $1
578 do_libc_add_ons_list() {
580 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")
581 case "${CT_THREADS}" in
583 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
585 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
586 # Remove duplicate, leading and trailing separators
587 echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
590 # Builds up the minimum supported Linux kernel version
591 do_libc_min_kernel_config() {
592 local min_kernel_config=
593 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
595 *) if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
596 # We can't rely on the kernel version from the configuration,
597 # because it might not be available if the user uses pre-installed
598 # headers. On the other hand, both method will have the kernel
599 # version installed in "usr/include/linux/version.h" in the sys-root.
600 # Parse that instead of having two code-paths.
601 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
602 CT_TestOrAbort "Linux version is unavailable in installed headers files" -f "${version_code_file}" -a -r "${version_code_file}"
603 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)
604 version=$(((version_code>>16)&0xFF))
605 patchlevel=$(((version_code>>8)&0xFF))
606 sublevel=$((version_code&0xFF))
607 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"
608 elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
609 # Trim the fourth part of the linux version, keeping only the first three numbers
610 min_kernel_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
614 echo "${min_kernel_config}"