No longer mark NPTL as being EXPERIMENTAL.
But mark build a native gdb as being EXPERIMENTAL.
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
7 # Ah! Not all GNU folks seem stupid. All glibc releases are in the same
8 # directory. Good. Alas, there is no snapshot there. I'll deal with them
10 CT_GetFile "${CT_LIBC_FILE}" ftp://ftp.gnu.org/gnu/glibc
13 addons_list=`echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e 's/,/ /g; s/ $//g;'`
14 case "${CT_THREADS}" in
15 linuxthreads) addons_list="${addons_list} linuxthreads";;
17 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list} ports"
18 for addon in ${addons_list}; do
19 CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" ftp://ftp.gnu.org/gnu/glibc
27 CT_ExtractAndPatch "${CT_LIBC_FILE}"
30 addons_list=`echo "${CT_LIBC_ADDONS_LIST}" |sed -r -e 's/,/ /g; s/ $//g;'`
31 case "${CT_THREADS}" in
32 linuxthreads) addons_list="${addons_list} linuxthreads";;
34 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list} ports"
35 for addon in ${addons_list}; do
36 CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
42 # There is nothing to do for glibc check config
43 do_libc_check_config() {
47 # This function installs the glibc headers needed to build the core compiler
49 # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
50 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
51 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
53 CT_DoStep INFO "Installing C library headers"
55 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
56 cd "${CT_BUILD_DIR}/build-libc-headers"
58 CT_DoLog EXTRA "Configuring C library headers"
60 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
61 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
62 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
63 # 3. build with gcc 3.2 or later
64 # Compare these options with the ones used when building glibc for real below - they're different.
65 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
66 # so when configure checks to make sure gcc has access to the assembler you just built...
67 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
68 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
70 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
72 # is ok here, since all we want are the basic headers at this point.
73 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
74 # 'a version of binutils that supports .machine "altivec" is needed'.
76 # We also need to use the ports addon if specified
78 case "${CT_LIBC_ADDONS},${CT_LIBC_GLIBC_USE_PORTS}" in
79 y,y) addons_list="${CT_LIBC_ADDONS_LIST},ports";;
80 y,) addons_list="${CT_LIBC_ADDONS_LIST}";;
81 ,y) addons_list="ports";;
84 addons_config="--enable-add-ons=`echo ${addons_list} |sed -r -e 's/,+/,/g; s/^,+//; s/,+$//;'`"
86 libc_cv_ppc_machine=yes \
88 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
89 --build="${CT_UNIQ_BUILD}" \
90 --host="${CT_TARGET}" \
92 --with-headers="${CT_HEADERS_DIR}" \
94 --disable-sanity-checks \
95 --enable-hacker-mode \
97 ${addons_config} 2>&1 |CT_DoLog ALL
99 CT_DoLog EXTRA "Installing C library headers"
101 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
102 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
103 # which fails without a real cross-compiler.
104 # Fortunately, we don't need errlist-compat.c, since we just need .h
105 # files, so work around this by creating a fake errlist-compat.c and
106 # satisfying its dependencies.
107 # Another workaround might be to tell configure to not use any cross
109 # The real fix would be to get install-headers to not generate
111 # Note: BOOTSTRAP_GCC is used by:
112 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
114 libc_cv_ppc_machine=yes \
115 make CFLAGS="-O -DBOOTSTRAP_GCC" sysdeps/gnu/errlist.c 2>&1 |CT_DoLog ALL
116 mkdir -p stdio-common
118 # sleep for 2 seconds for benefit of filesystems with lousy time
119 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
122 touch stdio-common/errlist-compat.c
124 # Note: BOOTSTRAP_GCC (see above)
125 libc_cv_ppc_machine=yes \
126 make cross-compiling=yes install_root=${CT_SYSROOT_DIR} \
127 CFLAGS="-O -DBOOTSTRAP_GCC" ${LIBC_SYSROOT_ARG} \
128 install-headers 2>&1 |CT_DoLog ALL
130 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
131 # so do them by hand. We can tolerate an empty stubs.h for the moment.
132 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
133 mkdir -p "${CT_HEADERS_DIR}/gnu"
134 touch "${CT_HEADERS_DIR}/gnu/stubs.h"
135 cp "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" "${CT_HEADERS_DIR}/features.h"
137 # Building the bootstrap gcc requires either setting inhibit_libc, or
138 # having a copy of stdio_lim.h... see
139 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
140 cp bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
142 # Following error building gcc-4.0.0's gcj:
143 # error: bits/syscall.h: No such file or directory
144 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
145 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
146 [ "${CT_ARCH}" != "arm" ] && cp misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
148 # Those headers are to be manually copied so gcc can build properly
151 case "${CT_THREADS}" in
153 # NOTE: for some archs, the pathes are different, but they are not
154 # supported by ct-ng right now. See original crosstool when they are.
155 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
156 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
159 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
160 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
163 if [ -n "${pthread_h}" ]; then
164 cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h" 2>&1 |CT_DoLog ALL
166 if [ -n "${pthreadtypes_h}" ]; then
167 cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h" 2>&1 |CT_DoLog ALL
173 # Build and install start files
174 do_libc_start_files() {
175 # Needed only in the NPTL case. Otherwise, return.
176 [ "${CT_THREADS}" = "nptl" ] || return 0
178 CT_DoStep INFO "Installing C library start files"
180 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
181 cd "${CT_BUILD_DIR}/build-libc-startfiles"
183 CT_DoLog EXTRA "Configuring C library"
185 # Add some default glibc config options if not given by user.
187 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
189 *) extra_config="${extra_config} --enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
191 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
193 *) extra_config="${extra_config} --with-tls"
195 case "${CT_SHARED_LIBS}" in
196 y) extra_config="${extra_config} --enable-shared";;
197 *) extra_config="${extra_config} --disable-shared";;
199 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
202 *) case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
203 y,) extra_config="${extra_config} --with-fp";;
204 ,y) extra_config="${extra_config} --without-fp";;
207 # Obviously, we want threads, as we come here only for NPTL
208 extra_config="${extra_config} --with-__thread"
211 case "${CT_LIBC_ADDONS},${CT_LIBC_GLIBC_USE_PORTS}" in
212 y,y) addons_list="nptl,${CT_LIBC_ADDONS_LIST},ports";;
213 y,) addons_list="nptl,${CT_LIBC_ADDONS_LIST}";;
214 ,y) addons_list="nptl,ports";;
215 *) addons_list="nptl";;
217 addons_config="--enable-add-ons=`echo ${addons_list} |sed -r -e 's/,+/,/g; s/^,+//; s/,+$//;'`"
218 extra_config="${extra_config} ${addons_config}"
220 # Add some default CC args
221 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
222 case "${CT_LIBC_EXTRA_CC_ARGS}" in
224 *-mlittle-endian*) ;;
225 *) case "${CT_ARCH_BE},${CT_ARCH_LE}" in
226 y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
227 ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
231 CT_DoLog DEBUG "Configuring with addons : \"${addons_list}\""
232 CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
233 CT_DoLog DEBUG "Extra CC args passed: \"${extra_cc_args}\""
235 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
236 # note: this is awkward, doesn't work well if you need more than one line in configparms
237 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
239 echo "libc_cv_forced_unwind=yes" > config.cache
240 echo "libc_cv_c_cleanup=yes" >> config.cache
242 # Please see the comment for the configure step in do_libc().
244 BUILD_CC=${CT_CC_NATIVE} \
245 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
246 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
248 RANLIB=${CT_TARGET}-ranlib \
249 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
251 --build="${CT_UNIQ_BUILD}" \
252 --host=${CT_TARGET} \
257 --with-headers="${CT_HEADERS_DIR}" \
258 --cache-file=config.cache \
260 ${CT_LIBC_GLIBC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
263 #TODO: should check whether slibdir has been set in configparms to */lib64
264 # and copy the startfiles into the appropriate libdir.
265 make csu/subdir_lib 2>&1 |CT_DoLog ALL
267 if [ "${CT_USE_SYSROOT}" = "y" ]; then
268 cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
270 cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
276 # This function builds and install the full glibc
278 CT_DoStep INFO "Installing C library"
280 mkdir -p "${CT_BUILD_DIR}/build-libc"
281 cd "${CT_BUILD_DIR}/build-libc"
283 CT_DoLog EXTRA "Configuring C library"
285 # Add some default glibc config options if not given by user.
286 # We don't need to be conditional on wether the user did set different
287 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
289 extra_config="--enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
291 case "${CT_THREADS}" in
292 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
293 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
294 none) extra_config="${extra_config} --without-__thread --without-nptl"
295 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
297 *) extra_config="${extra_config} --without-tls";;
302 case "${CT_SHARED_LIBS}" in
303 y) extra_config="${extra_config} --enable-shared";;
304 *) extra_config="${extra_config} --disable-shared";;
307 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
308 y,) extra_config="${extra_config} --with-fp";;
309 ,y) extra_config="${extra_config} --without-fp";;
313 case "${CT_LIBC_ADDONS},${CT_LIBC_GLIBC_USE_PORTS}" in
314 y,y) addons_list="${CT_LIBC_ADDONS_LIST},ports";;
315 y,) addons_list="${CT_LIBC_ADDONS_LIST}";;
316 ,y) addons_list="ports";;
319 case "${CT_THREADS}" in
321 *) addons_list="${addons_list},${CT_THREADS}";;
323 case "${addons_list}" in
325 *) addons_config="--enable-add-ons=`echo ${addons_list} |sed -r -e 's/,+/,/g; s/^,+//g; s/,+$//;'`";;
327 extra_config="${extra_config} ${addons_config}"
329 # Add some default CC args
330 if [ "${CT_USE_PIPES}" = "y" ]; then
331 extra_cc_args="-pipe"
333 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
334 y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
335 ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
338 CT_DoLog DEBUG "Configuring with addons : \"${addons_list}\""
339 CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
340 CT_DoLog DEBUG "Extra CC args passed: \"${extra_cc_args}\""
342 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
343 # note: this is awkward, doesn't work well if you need more than one line in configparms
344 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
346 # For glibc 2.3.4 and later we need to set some autoconf cache
347 # variables, because nptl/sysdeps/pthread/configure.in does not
348 # work when cross-compiling.
349 if [ "${CT_THREADS}" = "nptl" ]; then
350 echo libc_cv_forced_unwind=yes
351 echo libc_cv_c_cleanup=yes
354 # Configure with --prefix the way we want it on the target...
355 # There are a whole lot of settings here. You'll probably want
356 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
357 # Compare these options with the ones used when installing the glibc headers above - they're different.
358 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
359 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
360 # Set BUILD_CC, or you won't be able to build datafiles
361 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
363 # OK. I'm fed up with those folks telling me what I should do.
364 # I don't configure nptl? Well, maybe that's purposedly because
365 # I don't want nptl! --disable-sanity-checks will shut up those
366 # silly messages. GNU folks again, he?
368 BUILD_CC=${CT_CC_NATIVE} \
369 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
370 CC="${CT_TARGET}-gcc ${extra_cc_args} ${CT_LIBC_EXTRA_CC_ARGS}" \
372 RANLIB=${CT_TARGET}-ranlib \
373 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
375 --build=${CT_UNIQ_BUILD} \
376 --host=${CT_TARGET} \
381 --disable-sanity-checks \
382 --cache-file=config.cache \
383 --with-headers="${CT_HEADERS_DIR}" \
386 ${CT_LIBC_GLIBC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
388 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
390 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
391 # is present, it means we're building glibc-2.3.3 or later, and we can't
392 # build programs yet, as they require libeh, which won't be installed
393 # until full build of gcc
394 GLIBC_INITIAL_BUILD_RULE=lib
395 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
396 GLIBC_INSTALL_APPS_LATER=yes
399 # We can build and install everything with the bootstrap compiler.
400 GLIBC_INITIAL_BUILD_RULE=all
401 GLIBC_INITIAL_INSTALL_RULE=install
402 GLIBC_INSTALL_APPS_LATER=no
405 # If this fails with an error like this:
406 # ... linux/autoconf.h: No such file or directory
407 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
408 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
409 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
410 # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
411 CT_DoLog EXTRA "Building C library"
412 make LD=${CT_TARGET}-ld \
413 RANLIB=${CT_TARGET}-ranlib \
414 ${GLIBC_INITIAL_BUILD_RULE} 2>&1 |CT_DoLog ALL
416 CT_DoLog EXTRA "Installing C library"
417 make install_root="${CT_SYSROOT_DIR}" \
418 ${LIBC_SYSROOT_ARG} \
419 ${GLIBC_INITIAL_INSTALL_RULE} 2>&1 |CT_DoLog ALL
421 # This doesn't seem to work when building a crosscompiler,
422 # as it tries to execute localedef using the just-built ld.so!?
423 #CT_DoLog EXTRA "Installing locales"
424 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
426 # Fix problems in linker scripts.
428 # 1. Remove absolute paths
429 # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.
430 # FIXME: test -h is not portable
431 # FIXME: probably need to check more files than just these three...
432 # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks
434 # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
435 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
437 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
438 CT_DoLog EXTRA "Fixing C library linker scripts"
439 for file in libc.so libpthread.so libgcc_s.so; do
440 for dir in lib lib64 usr/lib usr/lib64; do
441 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
442 cp "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
443 CT_DoLog DEBUG "Fixing \"${CT_SYS_ROOT_DIR}/${dir}/${file}\""
444 sed -i -r -e 's,/usr/lib/,,g;
448 /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
456 # This function finishes the glibc install
458 # Finally, build and install glibc programs, now that libeh (if any) is installed
459 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
460 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
461 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
462 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
464 CT_DoStep INFO "Finishing C library"
466 cd "${CT_BUILD_DIR}/build-libc"
468 CT_DoLog EXTRA "Re-building C library"
469 make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib 2>&1 |CT_DoLog ALL
471 CT_DoLog EXTRA "Installing missing C library components"
472 # note: should do full install and then fix linker scripts, but this is faster
473 for t in bin rootsbin sbin data others; do
474 make install_root="${CT_SYSROOT_DIR}" \
475 ${LIBC_SYSROOT_ARG} \
476 install-${t} 2>&1 |CT_DoLog ALL