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=($(do_libc_add_ons_list " "))
14 CT_GetFile "glibc-${CT_LIBC_VERSION}" \
15 {ftp,http}://ftp.gnu.org/gnu/glibc \
16 ftp://gcc.gnu.org/pub/glibc/releases \
17 ftp://gcc.gnu.org/pub/glibc/snapshots
20 for addon in "${addons_list[@]}"; do
21 # NPTL addon is not to be downloaded, in any case
22 [ "${addon}" = "nptl" ] && continue || true
23 CT_GetFile "glibc-${addon}-${CT_LIBC_VERSION}" \
24 {ftp,http}://ftp.gnu.org/gnu/glibc \
25 ftp://gcc.gnu.org/pub/glibc/releases \
26 ftp://gcc.gnu.org/pub/glibc/snapshots
36 addons_list=($(do_libc_add_ons_list " "))
38 CT_Extract "glibc-${CT_LIBC_VERSION}"
40 CT_Pushd "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}"
41 CT_Patch nochdir "glibc" "${CT_LIBC_VERSION}"
44 for addon in "${addons_list[@]}"; do
45 # NPTL addon is not to be extracted, in any case
46 [ "${addon}" = "nptl" ] && continue || true
47 CT_Extract nochdir "glibc-${addon}-${CT_LIBC_VERSION}"
49 # Some addons have the 'long' name, while others have the
50 # 'short' name, but patches are non-uniformly built with
51 # either the 'long' or 'short' name, whatever the addons name
52 # so we have to make symlinks from the existing to the missing
53 # Fortunately for us, [ -d foo ], when foo is a symlink to a
54 # directory, returns true!
55 [ -d "${addon}" ] || CT_DoExecLog ALL ln -s "glibc-${addon}-${CT_LIBC_VERSION}" "${addon}"
56 [ -d "glibc-${addon}-${CT_LIBC_VERSION}" ] || CT_DoExecLog ALL ln -s "${addon}" "glibc-${addon}-${CT_LIBC_VERSION}"
57 CT_Patch nochdir "glibc" "${addon}-${CT_LIBC_VERSION}"
60 # The configure files may be older than the configure.in files
61 # if using a snapshot (or even some tarballs). Fake them being
64 find . -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
71 # There is nothing to do for glibc check config
72 do_libc_check_config() {
76 # This function installs the glibc headers needed to build the core compiler
81 CT_DoStep INFO "Installing C library headers"
83 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
84 cd "${CT_BUILD_DIR}/build-libc-headers"
86 CT_DoLog EXTRA "Configuring C library"
88 # The x86 arch needs special care... Bizarelly enough... :-(
89 case "${CT_ARCH}:${CT_ARCH_BITNESS}" in
90 x86:32) arch4hdrs="i386";;
91 x86:64) arch4hdrs="x86_64";;
92 *) arch4hdrs="${CT_ARCH}";;
95 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
96 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
97 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
98 # 3. build with gcc 3.2 or later
99 # Compare these options with the ones used when building glibc for real below - they're different.
100 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
101 # so when configure checks to make sure gcc has access to the assembler you just built...
102 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
103 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
105 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
107 # is ok here, since all we want are the basic headers at this point.
108 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
109 # 'a version of binutils that supports .machine "altivec" is needed'.
111 # We need to remove any threading addon when installing headers
112 addons_list="$(do_libc_add_ons_list " " \
113 |sed -r -e 's/\<(nptl|linuxthreads)\>/ /g;' \
114 -e 's/ +/,/g; s/^,+//; s/,+$//;' \
117 extra_config+=("--enable-add-ons=${addons_list}")
119 extra_config+=("${addons_config}")
120 extra_config+=("$(do_libc_min_kernel_config)")
122 # Pre-seed the configparms file with values from the config option
123 printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
125 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
126 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
127 CT_DoLog DEBUG "Extra config passed : '${extra_config[*]}'"
129 libc_cv_ppc_machine=yes \
130 libc_cv_mlong_double_128=yes \
131 libc_cv_mlong_double_128ibm=yes \
134 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
135 --build="${CT_BUILD}" \
136 --host="${CT_TARGET}" \
138 --with-headers="${CT_HEADERS_DIR}" \
140 --disable-sanity-checks \
141 --enable-hacker-mode \
142 "${extra_config[@]}" \
145 CT_DoLog EXTRA "Installing C library headers"
147 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/ChangeLog"; then
148 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
149 # which fails without a real cross-compiler.
150 # Fortunately, we don't need errlist-compat.c, since we just need .h
151 # files, so work around this by creating a fake errlist-compat.c and
152 # satisfying its dependencies.
153 # Another workaround might be to tell configure to not use any cross
155 # The real fix would be to get install-headers to not generate
157 # Note: BOOTSTRAP_GCC is used by:
158 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
160 libc_cv_ppc_machine=yes \
162 make CFLAGS="-O2 -DBOOTSTRAP_GCC" \
163 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
164 PARALLELMFLAGS="${PARALLELMFLAGS}" \
165 sysdeps/gnu/errlist.c
166 mkdir -p stdio-common
168 # sleep for 2 seconds for benefit of filesystems with lousy time
169 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
172 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
174 # Note: BOOTSTRAP_GCC (see above)
175 libc_cv_ppc_machine=yes \
177 make cross-compiling=yes \
178 install_root=${CT_SYSROOT_DIR} \
179 CFLAGS="-O2 -DBOOTSTRAP_GCC" \
180 ${LIBC_SYSROOT_ARG} \
181 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
182 PARALLELMFLAGS="${PARALLELMFLAGS}" \
185 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
186 # so do them by hand. We can tolerate an empty stubs.h for the moment.
187 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
188 mkdir -p "${CT_HEADERS_DIR}/gnu"
189 CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
190 CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/include/features.h" \
191 "${CT_HEADERS_DIR}/features.h"
193 # Building the bootstrap gcc requires either setting inhibit_libc, or
194 # having a copy of stdio_lim.h... see
195 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
196 CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
198 # Following error building gcc-4.0.0's gcj:
199 # error: bits/syscall.h: No such file or directory
200 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
201 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
202 [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
204 # Those headers are to be manually copied so gcc can build properly
205 pthread_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
207 case "${CT_THREADS}" in
209 # NOTE: for some archs, the pathes are different, but they are not
210 # supported by crosstool-NG right now. See original crosstool when they are.
211 pthread_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/${CT_THREADS}/sysdeps/pthread/pthread.h"
212 pthreadtypes_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/nptl/sysdeps/unix/sysv/linux/${arch4hdrs}/bits/pthreadtypes.h"
213 if [ ! -f "${pthreadtypes_h}" ]; then
214 pthreadtypes_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/ports/sysdeps/unix/sysv/linux/${arch4hdrs}/nptl/bits/pthreadtypes.h"
218 pthreadtypes_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
225 if [ -n "${pthread_h}" ]; then
226 CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"
228 if [ -n "${pthreadtypes_h}" ]; then
229 CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"
235 # Build and install start files
236 do_libc_start_files() {
237 local -a extra_config
239 # Needed only in the NPTL case. Otherwise, return.
240 [ "${CT_THREADS}" = "nptl" ] || return 0
242 CT_DoStep INFO "Installing C library start files"
244 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
245 cd "${CT_BUILD_DIR}/build-libc-startfiles"
247 CT_DoLog EXTRA "Configuring C library"
249 # Add some default glibc config options if not given by user.
250 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
252 *) extra_config+=("--with-tls")
254 case "${CT_SHARED_LIBS}" in
255 y) extra_config+=("--enable-shared");;
256 *) extra_config+=("--disable-shared");;
258 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
259 y,) extra_config+=("--with-fp");;
260 ,y) extra_config+=("--without-fp");;
262 # Obviously, we want threads, as we come here only for NPTL
263 extra_config+=("--with-__thread")
265 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
266 extra_config+=("${addons_config}")
268 extra_config+=("$(do_libc_min_kernel_config)")
270 # Add some default CC args
271 glibc_version="$( grep -E '\<VERSION\>' "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/version.h" \
274 glibc_version_major=$(echo ${glibc_version} |sed -r -e 's/^([[:digit:]]+).*/\1/')
275 glibc_version_minor=$(echo ${glibc_version} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
276 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
277 -o ${glibc_version_major} -gt 2 ]; then
278 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
279 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
280 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
282 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
284 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
286 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
287 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
288 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
289 CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
290 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
292 # Pre-seed the configparms file with values from the config option
293 printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
295 echo "libc_cv_forced_unwind=yes" > config.cache
296 echo "libc_cv_c_cleanup=yes" >> config.cache
298 # Please see the comment for the configure step in do_libc().
300 BUILD_CC="${CT_BUILD}-gcc" \
301 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2" \
302 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
304 RANLIB=${CT_TARGET}-ranlib \
306 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
308 --build="${CT_BUILD}" \
309 --host=${CT_TARGET} \
314 --with-headers="${CT_HEADERS_DIR}" \
315 --cache-file=config.cache \
316 "${extra_config[@]}" \
317 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
319 #TODO: should check whether slibdir has been set in configparms to */lib64
320 # and copy the startfiles into the appropriate libdir.
321 CT_DoLog EXTRA "Building C library start files"
322 CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
323 PARALLELMFLAGS="${PARALLELMFLAGS}" \
326 CT_DoLog EXTRA "Installing C library start files"
327 if [ "${CT_USE_SYSROOT}" = "y" ]; then
328 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
330 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
336 # This function builds and install the full glibc
338 local -a extra_config
340 CT_DoStep INFO "Installing C library"
342 mkdir -p "${CT_BUILD_DIR}/build-libc"
343 cd "${CT_BUILD_DIR}/build-libc"
345 CT_DoLog EXTRA "Configuring C library"
347 # Add some default glibc config options if not given by user.
348 # We don't need to be conditional on wether the user did set different
349 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
351 case "${CT_THREADS}" in
352 nptl) extra_config+=("--with-__thread" "--with-tls");;
353 linuxthreads) extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
354 none) extra_config+=("--without-__thread" "--without-nptl")
355 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
357 *) extra_config+=("--without-tls");;
362 case "${CT_SHARED_LIBS}" in
363 y) extra_config+=("--enable-shared");;
364 *) extra_config+=("--disable-shared");;
367 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
368 y,) extra_config+=("--with-fp");;
369 ,y) extra_config+=("--without-fp");;
372 case "$(do_libc_add_ons_list ,)" in
374 *) extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
377 extra_config+=("$(do_libc_min_kernel_config)")
379 # Add some default CC args
380 glibc_version="$( grep -E '\<VERSION\>' "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/version.h" \
383 glibc_version_major=$(echo ${glibc_version} |sed -r -e 's/^([[:digit:]]+).*/\1/')
384 glibc_version_minor=$(echo ${glibc_version} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
385 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
386 -o ${glibc_version_major} -gt 2 ]; then
387 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
388 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
389 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
391 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
393 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
395 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
396 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
397 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
398 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
399 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
401 # Pre-seed the configparms file with values from the config option
402 printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
404 # For glibc 2.3.4 and later we need to set some autoconf cache
405 # variables, because nptl/sysdeps/pthread/configure.in does not
406 # work when cross-compiling.
407 if [ "${CT_THREADS}" = "nptl" ]; then
408 echo libc_cv_forced_unwind=yes
409 echo libc_cv_c_cleanup=yes
412 # ./configure is mislead by our tools override wrapper for bash
413 # so just tell it where the real bash is _on_the_target_!
415 # - ${ac_cv_path_BASH_SHELL} is only used to set BASH_SHELL
416 # - ${BASH_SHELL} is only used to set BASH
417 # - ${BASH} is only used to set the shebang
418 # in two scripts to run on the target
419 # So we can safely bypass bash detection at compile time.
420 # Should this change in a future glibc release, we'd better
421 # directly mangle the generated scripts _after_ they get built,
422 # or even after they get installed... glibc is such a sucker...
423 echo "ac_cv_path_BASH_SHELL=/bin/bash" >>config.cache
425 # Configure with --prefix the way we want it on the target...
426 # There are a whole lot of settings here. You'll probably want
427 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
428 # Compare these options with the ones used when installing the glibc headers above - they're different.
429 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
430 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
431 # Set BUILD_CC, or you won't be able to build datafiles
432 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
434 # OK. I'm fed up with those folks telling me what I should do.
435 # I don't configure nptl? Well, maybe that's purposedly because
436 # I don't want nptl! --disable-sanity-checks will shut up those
437 # silly messages. GNU folks again, he?
439 BUILD_CC="${CT_BUILD}-gcc" \
440 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O2" \
441 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
443 RANLIB=${CT_TARGET}-ranlib \
445 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
447 --build=${CT_BUILD} \
448 --host=${CT_TARGET} \
453 --disable-sanity-checks \
454 --cache-file=config.cache \
455 --with-headers="${CT_HEADERS_DIR}" \
456 "${extra_config[@]}" \
457 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
459 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/Makerules" > /dev/null; then
461 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
462 # is present, it means we're building glibc-2.3.3 or later, and we can't
463 # build programs yet, as they require libeh, which won't be installed
464 # until full build of gcc
465 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
466 # make-install-lib-all.patch applied, so do not pass through this
467 # part of the if statement; nonetheless, they do build, and
468 # the result is useable (maybe the dual-pass core gcc is
469 # responsible for this).
470 GLIBC_INITIAL_BUILD_RULE=lib
471 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
472 GLIBC_INSTALL_APPS_LATER=yes
475 # We can build and install everything with the bootstrap compiler.
476 # YEM-FIXME: See the above FIXME as well.
477 GLIBC_INITIAL_BUILD_RULE=all
478 GLIBC_INITIAL_INSTALL_RULE=install
479 GLIBC_INSTALL_APPS_LATER=no
482 # glibc initial build hacks
483 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
484 case "${CT_ARCH},${CT_ARCH_CPU}" in
486 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
487 GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
490 # If this fails with an error like this:
491 # ... linux/autoconf.h: No such file or directory
492 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
493 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
494 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
495 CT_DoLog EXTRA "Building C library"
496 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
497 RANLIB=${CT_TARGET}-ranlib \
498 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
499 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
500 PARALLELMFLAGS="${PARALLELMFLAGS}" \
501 ${GLIBC_INITIAL_BUILD_RULE}
503 CT_DoLog EXTRA "Installing C library"
504 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
505 ${LIBC_SYSROOT_ARG} \
506 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
507 PARALLELMFLAGS="${PARALLELMFLAGS}" \
508 ${GLIBC_INITIAL_INSTALL_RULE}
510 # This doesn't seem to work when building a crosscompiler,
511 # as it tries to execute localedef using the just-built ld.so!?
512 #CT_DoLog EXTRA "Installing locales"
513 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
515 # Fix problems in linker scripts.
517 # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
518 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
519 # No need to look into the lib64/ dirs here and there, they point to the
520 # corresponding lib/ directories.
522 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
523 CT_DoLog EXTRA "Fixing C library linker scripts"
524 for file in libc.so libpthread.so libgcc_s.so; do
525 for dir in lib usr/lib; do
526 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
527 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
528 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
529 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
537 # This function finishes the glibc install
539 # Finally, build and install glibc programs, now that libeh (if any) is installed
540 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
541 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
542 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
543 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
545 CT_DoStep INFO "Finishing C library"
547 cd "${CT_BUILD_DIR}/build-libc"
549 CT_DoLog EXTRA "Re-building C library"
550 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
551 RANLIB=${CT_TARGET}-ranlib \
552 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
553 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
554 PARALLELMFLAGS="${PARALLELMFLAGS}"
556 CT_DoLog EXTRA "Installing missing C library components"
557 # note: should do full install and then fix linker scripts, but this is faster
558 for t in bin rootsbin sbin data others; do
559 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
560 ${LIBC_SYSROOT_ARG} \
561 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
562 PARALLELMFLAGS="${PARALLELMFLAGS}" \
569 # Build up the addons list, separated with $1
570 do_libc_add_ons_list() {
572 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")
573 case "${CT_THREADS}" in
575 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
577 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
578 # Remove duplicate, leading and trailing separators
579 echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
582 # Builds up the minimum supported Linux kernel version
583 do_libc_min_kernel_config() {
584 local min_kernel_config=
585 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
587 *) if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
588 # We can't rely on the kernel version from the configuration,
589 # because it might not be available if the user uses pre-installed
590 # headers. On the other hand, both method will have the kernel
591 # version installed in "usr/include/linux/version.h" in the sys-root.
592 # Parse that instead of having two code-paths.
593 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
594 if [ ! -f "${version_code_file}" -o ! -r "${version_code_file}" ]; then
595 CT_Abort "Linux version is unavailable in installed headers files"
597 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)
598 version=$(((version_code>>16)&0xFF))
599 patchlevel=$(((version_code>>8)&0xFF))
600 sublevel=$((version_code&0xFF))
601 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"
602 elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
603 # Trim the fourth part of the linux version, keeping only the first three numbers
604 min_kernel_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
608 echo "${min_kernel_config}"