Rework the generated config file handling.
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 "${CT_LIBC_FILE}" ftp://ftp.gnu.org/gnu/glibc
13 for addon in `do_libc_add_ons_list " "`; do
14 # NPTL addon is not to be downloaded, in any case
15 [ "${addon}" = "nptl" ] && continue || true
16 CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" ftp://ftp.gnu.org/gnu/glibc
24 CT_ExtractAndPatch "${CT_LIBC_FILE}"
27 for addon in `do_libc_add_ons_list " "`; do
28 # NPTL addon is not to be extracted, in any case
29 [ "${addon}" = "nptl" ] && continue || true
30 CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}"
36 # There is nothing to do for glibc check config
37 do_libc_check_config() {
41 # This function installs the glibc headers needed to build the core compiler
43 # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
44 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
45 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
47 CT_DoStep INFO "Installing C library headers"
49 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
50 cd "${CT_BUILD_DIR}/build-libc-headers"
52 CT_DoLog EXTRA "Configuring C library headers"
54 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
55 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
56 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
57 # 3. build with gcc 3.2 or later
58 # Compare these options with the ones used when building glibc for real below - they're different.
59 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
60 # so when configure checks to make sure gcc has access to the assembler you just built...
61 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
62 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
64 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
66 # is ok here, since all we want are the basic headers at this point.
67 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
68 # 'a version of binutils that supports .machine "altivec" is needed'.
70 addons_config="--enable-add-ons=`do_libc_add_ons_list ,`"
71 # We need to remove any threading addon when installing headers
72 addons_config="${addons_config//nptl/}"
73 addons_config="${addons_config//linuxthreads/}"
74 addons_config=`echo "${addons_config}" |sed -r -e 's/,+/,/g; s/^,+//; s/,+$//;'`
76 cross_cc=`which "${CT_TARGET}-gcc" || true`
77 CT_DoLog DEBUG "Using gcc for target: \"${cross_cc}\""
78 CT_DoLog DEBUG "Extra config passed : \"${addons_config}\""
80 libc_cv_ppc_machine=yes \
82 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
83 --build="${CT_UNIQ_BUILD}" \
84 --host="${CT_TARGET}" \
86 --with-headers="${CT_HEADERS_DIR}" \
88 --disable-sanity-checks \
89 --enable-hacker-mode \
91 --without-nptl 2>&1 |CT_DoLog ALL
93 CT_DoLog EXTRA "Installing C library headers"
95 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
96 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
97 # which fails without a real cross-compiler.
98 # Fortunately, we don't need errlist-compat.c, since we just need .h
99 # files, so work around this by creating a fake errlist-compat.c and
100 # satisfying its dependencies.
101 # Another workaround might be to tell configure to not use any cross
103 # The real fix would be to get install-headers to not generate
105 # Note: BOOTSTRAP_GCC is used by:
106 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
108 libc_cv_ppc_machine=yes \
109 make CFLAGS="-O -DBOOTSTRAP_GCC" sysdeps/gnu/errlist.c 2>&1 |CT_DoLog ALL
110 mkdir -p stdio-common
112 # sleep for 2 seconds for benefit of filesystems with lousy time
113 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
116 touch stdio-common/errlist-compat.c
118 # Note: BOOTSTRAP_GCC (see above)
119 libc_cv_ppc_machine=yes \
120 make cross-compiling=yes install_root=${CT_SYSROOT_DIR} \
121 CFLAGS="-O -DBOOTSTRAP_GCC" ${LIBC_SYSROOT_ARG} \
122 install-headers 2>&1 |CT_DoLog ALL
124 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
125 # so do them by hand. We can tolerate an empty stubs.h for the moment.
126 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
127 mkdir -p "${CT_HEADERS_DIR}/gnu"
128 touch "${CT_HEADERS_DIR}/gnu/stubs.h"
129 cp "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" "${CT_HEADERS_DIR}/features.h"
131 # Building the bootstrap gcc requires either setting inhibit_libc, or
132 # having a copy of stdio_lim.h... see
133 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
134 cp bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
136 # Following error building gcc-4.0.0's gcj:
137 # error: bits/syscall.h: No such file or directory
138 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
139 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
140 [ "${CT_ARCH}" != "arm" ] && cp misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
142 # Those headers are to be manually copied so gcc can build properly
145 case "${CT_THREADS}" in
147 # NOTE: for some archs, the pathes are different, but they are not
148 # supported by ct-ng right now. See original crosstool when they are.
149 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
150 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h"
153 pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h"
154 pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h"
157 if [ -n "${pthread_h}" ]; then
158 cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h" 2>&1 |CT_DoLog ALL
160 if [ -n "${pthreadtypes_h}" ]; then
161 cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h" 2>&1 |CT_DoLog ALL
167 # Build and install start files
168 do_libc_start_files() {
169 # Needed only in the NPTL case. Otherwise, return.
170 [ "${CT_THREADS}" = "nptl" ] || return 0
172 CT_DoStep INFO "Installing C library start files"
174 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
175 cd "${CT_BUILD_DIR}/build-libc-startfiles"
177 CT_DoLog EXTRA "Configuring C library"
179 # Add some default glibc config options if not given by user.
181 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
183 *) extra_config="${extra_config} --enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
185 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
187 *) extra_config="${extra_config} --with-tls"
189 case "${CT_SHARED_LIBS}" in
190 y) extra_config="${extra_config} --enable-shared";;
191 *) extra_config="${extra_config} --disable-shared";;
193 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
196 *) case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
197 y,) extra_config="${extra_config} --with-fp";;
198 ,y) extra_config="${extra_config} --without-fp";;
201 # Obviously, we want threads, as we come here only for NPTL
202 extra_config="${extra_config} --with-__thread"
204 addons_config="--enable-add-ons=`do_libc_add_ons_list ,`"
205 extra_config="${extra_config} ${addons_config}"
207 # Add some default CC args
208 extra_cc_args="${CT_CFLAGS_FOR_HOST}"
209 case "${CT_LIBC_EXTRA_CC_ARGS}" in
211 *-mlittle-endian*) ;;
212 *) case "${CT_ARCH_BE},${CT_ARCH_LE}" in
213 y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
214 ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
218 cross_cc=`which "${CT_TARGET}-gcc" || true`
219 CT_DoLog DEBUG "Using gcc for target : \"${cross_cc}\""
220 CT_DoLog DEBUG "Configuring with addons : \"`do_libc_add_ons_list ,`\""
221 CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
222 CT_DoLog DEBUG "Extra CC args passed : \"${extra_cc_args}\""
224 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
225 # note: this is awkward, doesn't work well if you need more than one line in configparms
226 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
228 echo "libc_cv_forced_unwind=yes" > config.cache
229 echo "libc_cv_c_cleanup=yes" >> config.cache
231 # Please see the comment for the configure step in do_libc().
233 BUILD_CC=${CT_CC_NATIVE} \
234 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
235 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
237 RANLIB=${CT_TARGET}-ranlib \
238 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
240 --build="${CT_UNIQ_BUILD}" \
241 --host=${CT_TARGET} \
246 --with-headers="${CT_HEADERS_DIR}" \
247 --cache-file=config.cache \
249 ${CT_LIBC_GLIBC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
252 #TODO: should check whether slibdir has been set in configparms to */lib64
253 # and copy the startfiles into the appropriate libdir.
254 make csu/subdir_lib 2>&1 |CT_DoLog ALL
256 if [ "${CT_USE_SYSROOT}" = "y" ]; then
257 cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/"
259 cp -fp csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/"
265 # This function builds and install the full glibc
267 CT_DoStep INFO "Installing C library"
269 mkdir -p "${CT_BUILD_DIR}/build-libc"
270 cd "${CT_BUILD_DIR}/build-libc"
272 CT_DoLog EXTRA "Configuring C library"
274 # Add some default glibc config options if not given by user.
275 # We don't need to be conditional on wether the user did set different
276 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
278 extra_config="--enable-kernel=`echo ${CT_KERNEL_VERSION} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;'`"
280 case "${CT_THREADS}" in
281 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
282 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
283 none) extra_config="${extra_config} --without-__thread --without-nptl"
284 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
286 *) extra_config="${extra_config} --without-tls";;
291 case "${CT_SHARED_LIBS}" in
292 y) extra_config="${extra_config} --enable-shared";;
293 *) extra_config="${extra_config} --disable-shared";;
296 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
297 y,) extra_config="${extra_config} --with-fp";;
298 ,y) extra_config="${extra_config} --without-fp";;
301 case "`do_libc_add_ons_list ,`" in
303 *) extra_config="${extra_config} --enable-add-ons=`do_libc_add_ons_list ,`";;
307 # Add some default CC args
308 if [ "${CT_USE_PIPES}" = "y" ]; then
309 extra_cc_args="-pipe"
311 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
312 y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
313 ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
316 cross_cc=`which "${CT_TARGET}-gcc" || true`
317 CT_DoLog DEBUG "Using gcc for target : \"${cross_cc}\""
318 CT_DoLog DEBUG "Configuring with addons : \"`do_libc_add_ons_list ,`\""
319 CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
320 CT_DoLog DEBUG "Extra CC args passed : \"${extra_cc_args}\""
322 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
323 # note: this is awkward, doesn't work well if you need more than one line in configparms
324 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
326 # For glibc 2.3.4 and later we need to set some autoconf cache
327 # variables, because nptl/sysdeps/pthread/configure.in does not
328 # work when cross-compiling.
329 if [ "${CT_THREADS}" = "nptl" ]; then
330 echo libc_cv_forced_unwind=yes
331 echo libc_cv_c_cleanup=yes
334 # Configure with --prefix the way we want it on the target...
335 # There are a whole lot of settings here. You'll probably want
336 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
337 # Compare these options with the ones used when installing the glibc headers above - they're different.
338 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
339 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
340 # Set BUILD_CC, or you won't be able to build datafiles
341 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
343 # OK. I'm fed up with those folks telling me what I should do.
344 # I don't configure nptl? Well, maybe that's purposedly because
345 # I don't want nptl! --disable-sanity-checks will shut up those
346 # silly messages. GNU folks again, he?
348 BUILD_CC=${CT_CC_NATIVE} \
349 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
350 CC="${CT_TARGET}-gcc ${extra_cc_args} ${CT_LIBC_EXTRA_CC_ARGS}" \
352 RANLIB=${CT_TARGET}-ranlib \
353 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
355 --build=${CT_UNIQ_BUILD} \
356 --host=${CT_TARGET} \
361 --disable-sanity-checks \
362 --cache-file=config.cache \
363 --with-headers="${CT_HEADERS_DIR}" \
365 ${CT_LIBC_GLIBC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
367 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
369 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
370 # is present, it means we're building glibc-2.3.3 or later, and we can't
371 # build programs yet, as they require libeh, which won't be installed
372 # until full build of gcc
373 GLIBC_INITIAL_BUILD_RULE=lib
374 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
375 GLIBC_INSTALL_APPS_LATER=yes
378 # We can build and install everything with the bootstrap compiler.
379 GLIBC_INITIAL_BUILD_RULE=all
380 GLIBC_INITIAL_INSTALL_RULE=install
381 GLIBC_INSTALL_APPS_LATER=no
384 # If this fails with an error like this:
385 # ... linux/autoconf.h: No such file or directory
386 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
387 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
388 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
389 # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
390 CT_DoLog EXTRA "Building C library"
391 make LD=${CT_TARGET}-ld \
392 RANLIB=${CT_TARGET}-ranlib \
393 ${GLIBC_INITIAL_BUILD_RULE} 2>&1 |CT_DoLog ALL
395 CT_DoLog EXTRA "Installing C library"
396 make install_root="${CT_SYSROOT_DIR}" \
397 ${LIBC_SYSROOT_ARG} \
398 ${GLIBC_INITIAL_INSTALL_RULE} 2>&1 |CT_DoLog ALL
400 # This doesn't seem to work when building a crosscompiler,
401 # as it tries to execute localedef using the just-built ld.so!?
402 #CT_DoLog EXTRA "Installing locales"
403 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL
405 # Fix problems in linker scripts.
407 # 1. Remove absolute paths
408 # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.
409 # FIXME: test -h is not portable
410 # FIXME: probably need to check more files than just these three...
411 # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks
413 # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
414 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
416 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
417 CT_DoLog EXTRA "Fixing C library linker scripts"
418 for file in libc.so libpthread.so libgcc_s.so; do
419 for dir in lib lib64 usr/lib usr/lib64; do
420 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
421 cp "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
422 CT_DoLog DEBUG "Fixing \"${CT_SYS_ROOT_DIR}/${dir}/${file}\""
423 sed -i -r -e 's,/usr/lib/,,g;
427 /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}"
435 # This function finishes the glibc install
437 # Finally, build and install glibc programs, now that libeh (if any) is installed
438 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
439 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
440 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
441 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
443 CT_DoStep INFO "Finishing C library"
445 cd "${CT_BUILD_DIR}/build-libc"
447 CT_DoLog EXTRA "Re-building C library"
448 make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib 2>&1 |CT_DoLog ALL
450 CT_DoLog EXTRA "Installing missing C library components"
451 # note: should do full install and then fix linker scripts, but this is faster
452 for t in bin rootsbin sbin data others; do
453 make install_root="${CT_SYSROOT_DIR}" \
454 ${LIBC_SYSROOT_ARG} \
455 install-${t} 2>&1 |CT_DoLog ALL
461 # Build up the addons list, separated with $1
462 do_libc_add_ons_list() {
464 local addons_list=`echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,`
465 case "${CT_THREADS}" in
467 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
469 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
470 addons_list="${addons_list%%${sep}}"
471 echo "${addons_list##${sep}}"