Re-instate the glibc/eglibc config option LIBC_GLIBC_CONFIGPARMS for use by SuperH.
Set appropriate defaults depending on target.
/trunk/scripts/build/libc/glibc.sh | 14 7 7 0 +++++++-------
/trunk/config/libc/glibc-eglibc.in-common | 15 15 0 0 +++++++++++++++
2 files changed, 22 insertions(+), 7 deletions(-)
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_Extract "glibc-${CT_LIBC_VERSION}"
59 CT_Patch "glibc-${CT_LIBC_VERSION}"
62 for addon in $(do_libc_add_ons_list " "); do
63 # NPTL addon is not to be extracted, in any case
64 [ "${addon}" = "nptl" ] && continue || true
65 CT_Pushd "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}"
66 CT_Extract "glibc-${addon}-${CT_LIBC_VERSION}" nochdir
67 # Some addons have the 'long' name, while others have the
68 # 'short' name, but patches are non-uniformly built with
69 # either the 'long' or 'short' name, whatever the addons name
70 # so we have to make symlinks from the existing to the missing
71 # Fortunately for us, [ -d foo ], when foo is a symlink to a
72 # directory, returns true!
73 [ -d "${addon}" ] || ln -s "glibc-${addon}-${CT_LIBC_VERSION}" "${addon}"
74 [ -d "glibc-${addon}-${CT_LIBC_VERSION}" ] || ln -s "${addon}" "glibc-${addon}-${CT_LIBC_VERSION}"
75 CT_Patch "glibc-${addon}-${CT_LIBC_VERSION}" nochdir
79 # The configure files may be older than the configure.in files
80 # if using a snapshot (or even some tarballs). Fake them being
82 find "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}" -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
87 # There is nothing to do for glibc check config
88 do_libc_check_config() {
92 # This function installs the glibc headers needed to build the core compiler
94 CT_DoStep INFO "Installing C library headers"
96 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
97 cd "${CT_BUILD_DIR}/build-libc-headers"
99 CT_DoLog EXTRA "Configuring C library"
101 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
102 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
103 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
104 # 3. build with gcc 3.2 or later
105 # Compare these options with the ones used when building glibc for real below - they're different.
106 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
107 # so when configure checks to make sure gcc has access to the assembler you just built...
108 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
109 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
111 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
113 # is ok here, since all we want are the basic headers at this point.
114 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
115 # 'a version of binutils that supports .machine "altivec" is needed'.
117 addons_list="$(do_libc_add_ons_list ,)"
118 # We need to remove any threading addon when installing headers
119 addons_list="${addons_list//nptl/}"
120 addons_list="${addons_list//linuxthreads/}"
121 # Remove duplicate, leading and trailing separators
122 addons_config="--enable-add-ons=$(echo "${addons_list}" |sed -r -e 's/,+/,/; s/^,//; s/,$//g;')"
124 extra_config="${addons_config} $(do_libc_min_kernel_config)"
126 # Pre-seed the configparms file with values from the config option
127 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
129 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
130 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
131 CT_DoLog DEBUG "Extra config passed : '${extra_config}'"
133 libc_cv_ppc_machine=yes \
136 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
137 --build="${CT_BUILD}" \
138 --host="${CT_TARGET}" \
140 --with-headers="${CT_HEADERS_DIR}" \
142 --disable-sanity-checks \
143 --enable-hacker-mode \
147 CT_DoLog EXTRA "Installing C library headers"
149 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/ChangeLog"; then
150 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
151 # which fails without a real cross-compiler.
152 # Fortunately, we don't need errlist-compat.c, since we just need .h
153 # files, so work around this by creating a fake errlist-compat.c and
154 # satisfying its dependencies.
155 # Another workaround might be to tell configure to not use any cross
157 # The real fix would be to get install-headers to not generate
159 # Note: BOOTSTRAP_GCC is used by:
160 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
162 libc_cv_ppc_machine=yes \
164 make CFLAGS="-O -DBOOTSTRAP_GCC" \
165 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
166 sysdeps/gnu/errlist.c
167 mkdir -p stdio-common
169 # sleep for 2 seconds for benefit of filesystems with lousy time
170 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
173 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
175 # Note: BOOTSTRAP_GCC (see above)
176 libc_cv_ppc_machine=yes \
178 make cross-compiling=yes \
179 install_root=${CT_SYSROOT_DIR} \
180 CFLAGS="-O -DBOOTSTRAP_GCC" \
181 ${LIBC_SYSROOT_ARG} \
182 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
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-${CT_LIBC_VERSION}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
213 if [ ! -f "${pthreadtypes_h}" ]; then
214 pthreadtypes_h="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/ports/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/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 # Needed only in the NPTL case. Otherwise, return.
238 [ "${CT_THREADS}" = "nptl" ] || return 0
240 CT_DoStep INFO "Installing C library start files"
242 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
243 cd "${CT_BUILD_DIR}/build-libc-startfiles"
245 CT_DoLog EXTRA "Configuring C library"
247 # Add some default glibc config options if not given by user.
249 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
251 *) extra_config="${extra_config} --with-tls"
253 case "${CT_SHARED_LIBS}" in
254 y) extra_config="${extra_config} --enable-shared";;
255 *) extra_config="${extra_config} --disable-shared";;
257 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
258 y,) extra_config="${extra_config} --with-fp";;
259 ,y) extra_config="${extra_config} --without-fp";;
261 # Obviously, we want threads, as we come here only for NPTL
262 extra_config="${extra_config} --with-__thread"
264 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
265 extra_config="${extra_config} ${addons_config}"
267 extra_config="${extra_config} $(do_libc_min_kernel_config)"
269 # Add some default CC args
270 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
271 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
272 # In case we're using a snapshot, fake a >=2.6 version.
273 if [ "${CT_LIBC_V_LATEST}" = "y" \
274 -o "${CT_LIBC_V_date}" = "y" ]; then
275 glibc_version_major=3
276 glibc_version_minor=0
278 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
279 -o ${glibc_version_major} -gt 2 ]; then
280 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
281 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
282 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
284 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
286 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
288 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
289 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
290 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
291 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
292 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
294 # Pre-seed the configparms file with values from the config option
295 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
297 echo "libc_cv_forced_unwind=yes" > config.cache
298 echo "libc_cv_c_cleanup=yes" >> config.cache
300 # Please see the comment for the configure step in do_libc().
302 BUILD_CC="${CT_BUILD}-gcc" \
303 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O " \
304 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
306 RANLIB=${CT_TARGET}-ranlib \
308 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
310 --build="${CT_BUILD}" \
311 --host=${CT_TARGET} \
316 --with-headers="${CT_HEADERS_DIR}" \
317 --cache-file=config.cache \
319 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
322 #TODO: should check whether slibdir has been set in configparms to */lib64
323 # and copy the startfiles into the appropriate libdir.
324 CT_DoLog EXTRA "Building C library start files"
325 CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" csu/subdir_lib
327 CT_DoLog EXTRA "Installing C library start files"
328 if [ "${CT_USE_SYSROOT}" = "y" ]; then
329 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
331 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
337 # This function builds and install the full glibc
339 CT_DoStep INFO "Installing C library"
341 mkdir -p "${CT_BUILD_DIR}/build-libc"
342 cd "${CT_BUILD_DIR}/build-libc"
344 CT_DoLog EXTRA "Configuring C library"
346 # Add some default glibc config options if not given by user.
347 # We don't need to be conditional on wether the user did set different
348 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
351 case "${CT_THREADS}" in
352 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
353 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
354 none) extra_config="${extra_config} --without-__thread --without-nptl"
355 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
357 *) extra_config="${extra_config} --without-tls";;
362 case "${CT_SHARED_LIBS}" in
363 y) extra_config="${extra_config} --enable-shared";;
364 *) extra_config="${extra_config} --disable-shared";;
367 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
368 y,) extra_config="${extra_config} --with-fp";;
369 ,y) extra_config="${extra_config} --without-fp";;
372 case "$(do_libc_add_ons_list ,)" in
374 *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;
377 extra_config="${extra_config} $(do_libc_min_kernel_config)"
379 # Add some default CC args
380 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([[:digit:]]+).*/\1/')
381 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[[:digit:]]+[\.-_]([[:digit:]]+).*/\1/')
382 # In case we're using a snapshot, fake a >=2.6 version.
383 if [ "${CT_LIBC_V_LATEST}" = "y" \
384 -o "${CT_LIBC_V_date}" = "y" ]; then
385 glibc_version_major=3
386 glibc_version_minor=0
388 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
389 -o ${glibc_version_major} -gt 2 ]; then
390 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
391 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
392 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
394 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
396 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
398 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
399 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
400 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
401 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
402 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
404 # Pre-seed the configparms file with values from the config option
405 echo "${CT_LIBC_GLIBC_CONFIGPARMS}" > configparms
407 # For glibc 2.3.4 and later we need to set some autoconf cache
408 # variables, because nptl/sysdeps/pthread/configure.in does not
409 # work when cross-compiling.
410 if [ "${CT_THREADS}" = "nptl" ]; then
411 echo libc_cv_forced_unwind=yes
412 echo libc_cv_c_cleanup=yes
415 # Configure with --prefix the way we want it on the target...
416 # There are a whole lot of settings here. You'll probably want
417 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
418 # Compare these options with the ones used when installing the glibc headers above - they're different.
419 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
420 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
421 # Set BUILD_CC, or you won't be able to build datafiles
422 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
424 # OK. I'm fed up with those folks telling me what I should do.
425 # I don't configure nptl? Well, maybe that's purposedly because
426 # I don't want nptl! --disable-sanity-checks will shut up those
427 # silly messages. GNU folks again, he?
429 BUILD_CC="${CT_BUILD}-gcc" \
430 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
431 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
433 RANLIB=${CT_TARGET}-ranlib \
435 "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/configure" \
437 --build=${CT_BUILD} \
438 --host=${CT_TARGET} \
443 --disable-sanity-checks \
444 --cache-file=config.cache \
445 --with-headers="${CT_HEADERS_DIR}" \
447 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
449 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}/Makerules" > /dev/null; then
451 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
452 # is present, it means we're building glibc-2.3.3 or later, and we can't
453 # build programs yet, as they require libeh, which won't be installed
454 # until full build of gcc
455 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
456 # make-install-lib-all.patch applied, so do not pass through this
457 # part of the if statement; nonetheless, they do build, and
458 # the result is useable (maybe the dual-pass core gcc is
459 # responsible for this).
460 GLIBC_INITIAL_BUILD_RULE=lib
461 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
462 GLIBC_INSTALL_APPS_LATER=yes
465 # We can build and install everything with the bootstrap compiler.
466 # YEM-FIXME: See the above FIXME as well.
467 GLIBC_INITIAL_BUILD_RULE=all
468 GLIBC_INITIAL_INSTALL_RULE=install
469 GLIBC_INSTALL_APPS_LATER=no
472 # glibc initial build hacks
473 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
474 case "${CT_ARCH},${CT_ARCH_CPU}" in
476 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
477 GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
480 # If this fails with an error like this:
481 # ... linux/autoconf.h: No such file or directory
482 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
483 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
484 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
485 # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
486 CT_DoLog EXTRA "Building C library"
487 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
488 RANLIB=${CT_TARGET}-ranlib \
489 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
490 ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
491 ${GLIBC_INITIAL_BUILD_RULE}
493 CT_DoLog EXTRA "Installing C library"
494 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
495 ${LIBC_SYSROOT_ARG} \
496 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
497 ${GLIBC_INITIAL_INSTALL_RULE}
499 # This doesn't seem to work when building a crosscompiler,
500 # as it tries to execute localedef using the just-built ld.so!?
501 #CT_DoLog EXTRA "Installing locales"
502 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
504 # Fix problems in linker scripts.
506 # Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
507 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
508 # No need to look into the lib64/ dirs here and there, they point to the
509 # corresponding lib/ directories.
511 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
512 CT_DoLog EXTRA "Fixing C library linker scripts"
513 for file in libc.so libpthread.so libgcc_s.so; do
514 for dir in lib usr/lib; do
515 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
516 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
517 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
518 CT_DoExecLog ALL sed -i -r -e '/BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
526 # This function finishes the glibc install
528 # Finally, build and install glibc programs, now that libeh (if any) is installed
529 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
530 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
531 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
532 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
534 CT_DoStep INFO "Finishing C library"
536 cd "${CT_BUILD_DIR}/build-libc"
538 CT_DoLog EXTRA "Re-building C library"
539 CT_DoExecLog ALL make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib
541 CT_DoLog EXTRA "Installing missing C library components"
542 # note: should do full install and then fix linker scripts, but this is faster
543 for t in bin rootsbin sbin data others; do
544 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
545 ${LIBC_SYSROOT_ARG} \
546 OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \
553 # Build up the addons list, separated with $1
554 do_libc_add_ons_list() {
556 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e "s/[ ,]/${sep}/g;")
557 case "${CT_THREADS}" in
559 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
561 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
562 # Remove duplicate, leading and trailing separators
563 echo "${addons_list}" |sed -r -e "s/${sep}+/${sep}/g; s/^${sep}//; s/${sep}\$//;"
566 # Builds up the minimum supported Linux kernel version
567 do_libc_min_kernel_config() {
568 local min_kernel_config=
569 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
571 *) if [ "${CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS}" = "y" ]; then
572 # We can't rely on the kernel version from the configuration,
573 # because it might not be available if the user uses pre-installed
574 # headers. On the other hand, both method will have the kernel
575 # version installed in "usr/include/linux/version.h" in the sys-root.
576 # Parse that instead of having two code-paths.
577 version_code_file="${CT_SYSROOT_DIR}/usr/include/linux/version.h"
578 CT_TestOrAbort "Linux version is unavailable in installed headers files" -f "${version_code_file}" -a -r "${version_code_file}"
579 version_code=$(grep -E LINUX_VERSION_CODE "${version_code_file}" |cut -d ' ' -f 3)
580 version=$(((version_code>>16)&0xFF))
581 patchlevel=$(((version_code>>8)&0xFF))
582 sublevel=$((version_code&0xFF))
583 min_kernel_config="--enable-kernel=${version}.${patchlevel}.${sublevel}"
584 elif [ "${CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN}" = "y" ]; then
585 # Trim the fourth part of the linux version, keeping only the first three numbers
586 min_kernel_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
590 echo "${min_kernel_config}"