Update the Alpha sample to use up-to-date components.
/trunk/samples/alphaev56-unknown-linux-gnu/crosstool.config | 30 18 12 0 +++++++++++--------
1 file changed, 18 insertions(+), 12 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
6 [ "${CT_LIBC}" = "glibc" ] || return 0
7 echo "glibc-${CT_LIBC_VERSION}"
8 for addon in $(do_libc_add_ons_list " "); do
9 # NPTL addon is not to be downloaded, in any case
10 [ "${addon}" = "nptl" ] && continue || true
11 echo "glibc-${addon}-${CT_LIBC_VERSION}"
17 # Ah! Not all GNU folks seem stupid. All glibc releases are in the same
18 # directory. Good. Alas, there is no snapshot there. I'll deal with them
20 CT_GetFile "${CT_LIBC_FILE}" \
21 {ftp,http}://ftp.gnu.org/gnu/glibc \
22 ftp://gcc.gnu.org/pub/glibc/releases \
23 ftp://gcc.gnu.org/pub/glibc/snapshots
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_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" \
30 {ftp,http}://ftp.gnu.org/gnu/glibc \
31 ftp://gcc.gnu.org/pub/glibc/releases \
32 ftp://gcc.gnu.org/pub/glibc/snapshots
40 CT_ExtractAndPatch "${CT_LIBC_FILE}"
43 for addon in $(do_libc_add_ons_list " "); do
44 # NPTL addon is not to be extracted, in any case
45 [ "${addon}" = "nptl" ] && continue || true
46 CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
52 # There is nothing to do for glibc check config
53 do_libc_check_config() {
57 # This function installs the glibc headers needed to build the core compiler
59 # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
60 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
61 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0
63 CT_DoStep INFO "Installing C library headers"
65 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
66 cd "${CT_BUILD_DIR}/build-libc-headers"
68 CT_DoLog EXTRA "Configuring C library"
70 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
71 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
72 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
73 # 3. build with gcc 3.2 or later
74 # Compare these options with the ones used when building glibc for real below - they're different.
75 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
76 # so when configure checks to make sure gcc has access to the assembler you just built...
77 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
78 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
80 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
82 # is ok here, since all we want are the basic headers at this point.
83 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
84 # 'a version of binutils that supports .machine "altivec" is needed'.
86 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
87 # We need to remove any threading addon when installing headers
88 addons_config="${addons_config//nptl/}"
89 addons_config="${addons_config//linuxthreads/}"
90 addons_config=$(echo "${addons_config}" |sed -r -e 's/^,+//; s/,+$//; s/,+/,/g;')
92 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
93 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
94 CT_DoLog DEBUG "Extra config passed : '${addons_config}'"
96 libc_cv_ppc_machine=yes \
99 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
100 --build="${CT_UNIQ_BUILD}" \
101 --host="${CT_TARGET}" \
103 --with-headers="${CT_HEADERS_DIR}" \
105 --disable-sanity-checks \
106 --enable-hacker-mode \
110 CT_DoLog EXTRA "Installing C library headers"
112 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
113 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
114 # which fails without a real cross-compiler.
115 # Fortunately, we don't need errlist-compat.c, since we just need .h
116 # files, so work around this by creating a fake errlist-compat.c and
117 # satisfying its dependencies.
118 # Another workaround might be to tell configure to not use any cross
120 # The real fix would be to get install-headers to not generate
122 # Note: BOOTSTRAP_GCC is used by:
123 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
125 libc_cv_ppc_machine=yes \
127 make CFLAGS="-O -DBOOTSTRAP_GCC" \
128 sysdeps/gnu/errlist.c
129 mkdir -p stdio-common
131 # sleep for 2 seconds for benefit of filesystems with lousy time
132 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
135 CT_DoExecLog ALL touch stdio-common/errlist-compat.c
137 # Note: BOOTSTRAP_GCC (see above)
138 libc_cv_ppc_machine=yes \
140 make cross-compiling=yes \
141 install_root=${CT_SYSROOT_DIR} \
142 CFLAGS="-O -DBOOTSTRAP_GCC" \
143 ${LIBC_SYSROOT_ARG} \
146 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
147 # so do them by hand. We can tolerate an empty stubs.h for the moment.
148 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
149 mkdir -p "${CT_HEADERS_DIR}/gnu"
150 CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h"
151 CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" \
152 "${CT_HEADERS_DIR}/features.h"
154 # Building the bootstrap gcc requires either setting inhibit_libc, or
155 # having a copy of stdio_lim.h... see
156 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
157 CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
159 # Following error building gcc-4.0.0's gcj:
160 # error: bits/syscall.h: No such file or directory
161 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
162 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
163 [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
165 # Those headers are to be manually copied so gcc can build properly
166 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
168 case "${CT_THREADS}" in
170 # NOTE: for some archs, the pathes are different, but they are not
171 # supported by crosstool-NG right now. See original crosstool when they are.
172 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
173 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
174 if [ ! -f "${pthreadtypes_h}" ]; then
175 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_LIBC}-ports-${CT_LIBC_VERSION}/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h"
179 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
186 if [ -n "${pthread_h}" ]; then
187 CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h"
189 if [ -n "${pthreadtypes_h}" ]; then
190 CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h"
196 # Build and install start files
197 do_libc_start_files() {
198 # Needed only in the NPTL case. Otherwise, return.
199 [ "${CT_THREADS}" = "nptl" ] || return 0
201 CT_DoStep INFO "Installing C library start files"
203 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
204 cd "${CT_BUILD_DIR}/build-libc-startfiles"
206 CT_DoLog EXTRA "Configuring C library"
208 # Add some default glibc config options if not given by user.
210 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
212 *) extra_config="${extra_config} --enable-kernel=$(echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
214 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
216 *) extra_config="${extra_config} --with-tls"
218 case "${CT_SHARED_LIBS}" in
219 y) extra_config="${extra_config} --enable-shared";;
220 *) extra_config="${extra_config} --disable-shared";;
222 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
223 y,) extra_config="${extra_config} --with-fp";;
224 ,y) extra_config="${extra_config} --without-fp";;
226 # Obviously, we want threads, as we come here only for NPTL
227 extra_config="${extra_config} --with-__thread"
229 addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)"
230 extra_config="${extra_config} ${addons_config}"
232 # Add some default CC args
233 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')
234 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')
235 # In case we're using a snapshot, fake a >=2.6 version.
236 if [ "${CT_LIBC_V_LATEST}" = "y" \
237 -o "${CT_LIBC_V_date}" = "y" ]; then
238 glibc_version_major=3
239 glibc_version_minor=0
241 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
242 -o ${glibc_version_major} -gt 2 ]; then
243 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
244 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
245 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
247 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
249 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
251 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
252 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
253 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
254 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
255 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
257 # Super-H really needs to set configparms as of gcc-3.4/glibc-2.3.2
258 # note: this is awkward, doesn't work well if you need more than one
259 # line in configparms
260 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
262 echo "libc_cv_forced_unwind=yes" > config.cache
263 echo "libc_cv_c_cleanup=yes" >> config.cache
265 # Please see the comment for the configure step in do_libc().
267 BUILD_CC=${CT_CC_NATIVE} \
268 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O " \
269 CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
271 RANLIB=${CT_TARGET}-ranlib \
273 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
275 --build="${CT_UNIQ_BUILD}" \
276 --host=${CT_TARGET} \
281 --with-headers="${CT_HEADERS_DIR}" \
282 --cache-file=config.cache \
284 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
287 #TODO: should check whether slibdir has been set in configparms to */lib64
288 # and copy the startfiles into the appropriate libdir.
289 CT_DoLog EXTRA "Building C library start files"
290 CT_DoExecLog ALL make csu/subdir_lib
292 CT_DoLog EXTRA "Installing C library start files"
293 if [ "${CT_USE_SYSROOT}" = "y" ]; then
294 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
296 CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
302 # This function builds and install the full glibc
304 CT_DoStep INFO "Installing C library"
306 mkdir -p "${CT_BUILD_DIR}/build-libc"
307 cd "${CT_BUILD_DIR}/build-libc"
309 CT_DoLog EXTRA "Configuring C library"
311 # Add some default glibc config options if not given by user.
312 # We don't need to be conditional on wether the user did set different
313 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
315 extra_config="--enable-kernel=$(echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
317 case "${CT_THREADS}" in
318 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
319 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
320 none) extra_config="${extra_config} --without-__thread --without-nptl"
321 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
323 *) extra_config="${extra_config} --without-tls";;
328 case "${CT_SHARED_LIBS}" in
329 y) extra_config="${extra_config} --enable-shared";;
330 *) extra_config="${extra_config} --disable-shared";;
333 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
334 y,) extra_config="${extra_config} --with-fp";;
335 ,y) extra_config="${extra_config} --without-fp";;
338 case "$(do_libc_add_ons_list ,)" in
340 *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;
343 # Add some default CC args
344 glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/')
345 glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/')
346 # In case we're using a snapshot, fake a >=2.6 version.
347 if [ "${CT_LIBC_V_LATEST}" = "y" \
348 -o "${CT_LIBC_V_date}" = "y" ]; then
349 glibc_version_major=3
350 glibc_version_minor=0
352 if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \
353 -o ${glibc_version_major} -gt 2 ]; then
354 # Don't use -pipe: configure chokes on it for glibc >= 2.6.
355 CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y"
356 extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}"
358 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
360 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
362 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
363 CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'"
364 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
365 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
366 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
368 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
369 # note: this is awkward, doesn't work well if you need more than one line in configparms
370 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
372 # For glibc 2.3.4 and later we need to set some autoconf cache
373 # variables, because nptl/sysdeps/pthread/configure.in does not
374 # work when cross-compiling.
375 if [ "${CT_THREADS}" = "nptl" ]; then
376 echo libc_cv_forced_unwind=yes
377 echo libc_cv_c_cleanup=yes
380 # Configure with --prefix the way we want it on the target...
381 # There are a whole lot of settings here. You'll probably want
382 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
383 # Compare these options with the ones used when installing the glibc headers above - they're different.
384 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
385 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
386 # Set BUILD_CC, or you won't be able to build datafiles
387 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
389 # OK. I'm fed up with those folks telling me what I should do.
390 # I don't configure nptl? Well, maybe that's purposedly because
391 # I don't want nptl! --disable-sanity-checks will shut up those
392 # silly messages. GNU folks again, he?
394 BUILD_CC=${CT_CC_NATIVE} \
395 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
396 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
398 RANLIB=${CT_TARGET}-ranlib \
400 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
402 --build=${CT_UNIQ_BUILD} \
403 --host=${CT_TARGET} \
408 --disable-sanity-checks \
409 --cache-file=config.cache \
410 --with-headers="${CT_HEADERS_DIR}" \
412 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
414 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
416 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
417 # is present, it means we're building glibc-2.3.3 or later, and we can't
418 # build programs yet, as they require libeh, which won't be installed
419 # until full build of gcc
420 # YEM-FIXME: This comment is misleading: latest glibc-s do not have the
421 # make-install-lib-all.patch applied, so do not pass through this
422 # part of the if statement; nonetheless, they do build, and
423 # the result is useable (maybe the dual-pass core gcc is
424 # responsible for this).
425 GLIBC_INITIAL_BUILD_RULE=lib
426 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
427 GLIBC_INSTALL_APPS_LATER=yes
430 # We can build and install everything with the bootstrap compiler.
431 # YEM-FIXME: See the above FIXME as well.
432 GLIBC_INITIAL_BUILD_RULE=all
433 GLIBC_INITIAL_INSTALL_RULE=install
434 GLIBC_INSTALL_APPS_LATER=no
437 # If this fails with an error like this:
438 # ... linux/autoconf.h: No such file or directory
439 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
440 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
441 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
442 # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
443 CT_DoLog EXTRA "Building C library"
444 CT_DoExecLog ALL make LD=${CT_TARGET}-ld \
445 RANLIB=${CT_TARGET}-ranlib \
446 ${GLIBC_INITIAL_BUILD_RULE}
448 CT_DoLog EXTRA "Installing C library"
449 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
450 ${LIBC_SYSROOT_ARG} \
451 ${GLIBC_INITIAL_INSTALL_RULE}
453 # This doesn't seem to work when building a crosscompiler,
454 # as it tries to execute localedef using the just-built ld.so!?
455 #CT_DoLog EXTRA "Installing locales"
456 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
458 # Fix problems in linker scripts.
460 # 1. Remove absolute paths
461 # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.
462 # FIXME: test -h is not portable
463 # FIXME: probably need to check more files than just these three...
464 # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks
466 # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
467 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
469 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
470 CT_DoLog EXTRA "Fixing C library linker scripts"
471 for file in libc.so libpthread.so libgcc_s.so; do
472 for dir in lib lib64 usr/lib usr/lib64; do
473 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
474 CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
475 CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'"
476 CT_DoExecLog ALL sed -i -r -e 's,/usr/lib/,,g;
480 /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
488 # This function finishes the glibc install
490 # Finally, build and install glibc programs, now that libeh (if any) is installed
491 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
492 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
493 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
494 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
496 CT_DoStep INFO "Finishing C library"
498 cd "${CT_BUILD_DIR}/build-libc"
500 CT_DoLog EXTRA "Re-building C library"
501 CT_DoExecLog ALL make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib
503 CT_DoLog EXTRA "Installing missing C library components"
504 # note: should do full install and then fix linker scripts, but this is faster
505 for t in bin rootsbin sbin data others; do
506 CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \
507 ${LIBC_SYSROOT_ARG} \
514 # Build up the addons list, separated with $1
515 do_libc_add_ons_list() {
517 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,)
518 case "${CT_THREADS}" in
520 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
522 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
523 addons_list="${addons_list%%${sep}}"
524 echo "${addons_list##${sep}}"