Update the armeb-unknown-linux-uclibc sample to use linux-2.6.20.6 headers and binutils-2.17.50.0.14.
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
5 # There is nothing to do for glibc check config
6 do_libc_check_config() {
7 CT_DoStep INFO "Checking C library configuration"
8 CT_DoLog EXTRA "glibc has nothing to check"
12 # This function installs the glibc headers needed to build the core compiler
14 # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
15 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
16 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
18 CT_DoStep INFO "Installing C library headers"
20 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
21 cd "${CT_BUILD_DIR}/build-libc-headers"
23 CT_DoLog EXTRA "Configuring C library headers"
25 # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
26 # 1. override CC to keep glibc's configure from using $TARGET-gcc.
27 # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
28 # 3. build with gcc 3.2 or later
29 # Compare these options with the ones used when building glibc for real below - they're different.
30 # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
31 # so when configure checks to make sure gcc has access to the assembler you just built...
32 # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
33 # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
35 # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
37 # is ok here, since all we want are the basic headers at this point.
38 # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
39 # 'a version of binutils that supports .machine "altivec" is needed'.
40 libc_cv_ppc_machine=yes \
42 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
43 --build="${CT_BUILD}" \
44 --host="${CT_TARGET}" \
46 --with-headers="${CT_HEADERS_DIR}" \
47 --without-cvs --disable-sanity-checks \
48 --enable-hacker-mode \
50 --without-nptl 2>&1 |CT_DoLog DEBUG
52 CT_DoLog EXTRA "Installing C library headers"
54 if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
55 # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
56 # which fails without a real cross-compiler.
57 # Fortunately, we don't need errlist-compat.c, since we just need .h
58 # files, so work around this by creating a fake errlist-compat.c and
59 # satisfying its dependencies.
60 # Another workaround might be to tell configure to not use any cross
62 # The real fix would be to get install-headers to not generate
64 # Note: BOOTSTRAP_GCC is used by:
65 # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
66 libc_cv_ppc_machine=yes \
67 make CFLAGS=-DBOOTSTRAP_GCC sysdeps/gnu/errlist.c 2>&1 |CT_DoLog DEBUG
69 # sleep for 2 seconds for benefit of filesystems with lousy time
70 # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
73 touch stdio-common/errlist-compat.c
75 # Note: BOOTSTRAP_GCC (see above)
76 libc_cv_ppc_machine=yes \
77 make cross-compiling=yes install_root=${CT_SYSROOT_DIR} \
78 CFLAGS=-DBOOTSTRAP_GCC ${LIBC_SYSROOT_ARG} \
79 install-headers 2>&1 |CT_DoLog DEBUG
81 # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
82 # so do them by hand. We can tolerate an empty stubs.h for the moment.
83 # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
84 mkdir -p "${CT_HEADERS_DIR}/gnu"
85 touch "${CT_HEADERS_DIR}/gnu/stubs.h"
86 cp "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" "${CT_HEADERS_DIR}/features.h"
88 # Building the bootstrap gcc requires either setting inhibit_libc, or
89 # having a copy of stdio_lim.h... see
90 # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
91 cp bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
93 # Following error building gcc-4.0.0's gcj:
94 # error: bits/syscall.h: No such file or directory
95 # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
96 # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
97 [ "${CT_ARCH}" != "arm" ] && cp misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
102 # This function builds and install the full glibc
104 CT_DoStep INFO "Installing C library"
106 mkdir -p "${CT_BUILD_DIR}/build-libc"
107 cd "${CT_BUILD_DIR}/build-libc"
109 CT_DoLog EXTRA "Configuring C library"
111 # Add some default glibc config options if not given by user.
113 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
115 *) extra_config="${extra_config} --enable-kernel=${CT_KERNEL_VERSION}"
117 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
119 *) extra_config="${extra_config} --without-tls"
121 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
123 *) extra_config="${extra_config} --without-__thread"
125 case "${CT_SHARED_LIBS}" in
126 y) extra_config="${extra_config} --enable-shared";;
127 *) extra_config="${extra_config} --disable-shared";;
129 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
132 *) case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
133 y,) extra_config="${extra_config} --with-fp";;
134 ,y) extra_config="${extra_config} --without-fp";;
137 case "${CT_LIBC_ADDONS},${CT_LIBC_ADDONS_LIST}" in
138 y,) extra_config="${extra_config} --enable-add-ons";;
139 y,*) extra_config="${extra_config} --enable-add-ons=${CT_LIBC_ADDONS_LIST}";;
142 CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
144 # Add some default CC args
146 case "${CT_LIBC_EXTRA_CC_ARGS}" in
148 *-mlittle-endian*) ;;
149 *) case "${CT_ARCH_BE},${CT_ARCH_LE}" in
150 y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
151 ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
155 CT_DoLog DEBUG "Extra CC args passed: \"${extra_cc_args}\""
157 # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
158 # note: this is awkward, doesn't work well if you need more than one line in configparms
159 echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
161 # For glibc 2.3.4 and later we need to set some autoconf cache
162 # variables, because nptl/sysdeps/pthread/configure.in does not
163 # work when cross-compiling.
164 if test -d ${GLIBC_DIR}/nptl; then
165 libc_cv_forced_unwind=yes
166 libc_cv_c_cleanup=yes
167 export libc_cv_forced_unwind libc_cv_c_cleanup
170 # Configure with --prefix the way we want it on the target...
171 # There are a whole lot of settings here. You'll probably want
172 # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
173 # Compare these options with the ones used when installing the glibc headers above - they're different.
174 # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
175 # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
176 # Set BUILD_CC, or you won't be able to build datafiles
177 # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
179 BUILD_CC=${CT_CC_NATIVE} \
180 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
181 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
183 RANLIB=${CT_TARGET}-ranlib \
184 "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
186 --build=${CT_BUILD} --host=${CT_TARGET} \
187 ${CT_LIBC_GLIBC_EXTRA_CONFIG} \
193 --with-headers="${CT_HEADERS_DIR}" 2>&1 |CT_DoLog DEBUG
195 if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
197 # If the install-lib-all target (which is added by our make-install-lib-all.patch)
198 # is present, it means we're building glibc-2.3.3 or later, and we can't
199 # build programs yet, as they require libeh, which won't be installed
200 # until full build of gcc
201 GLIBC_INITIAL_BUILD_RULE=lib
202 GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
203 GLIBC_INSTALL_APPS_LATER=yes
206 # We can build and install everything with the bootstrap compiler.
207 GLIBC_INITIAL_BUILD_RULE=all
208 GLIBC_INITIAL_INSTALL_RULE=install
209 GLIBC_INSTALL_APPS_LATER=no
212 # If this fails with an error like this:
213 # ... linux/autoconf.h: No such file or directory
214 # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
215 # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
216 # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
217 # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
218 CT_DoLog EXTRA "Building C library"
219 make LD=${CT_TARGET}-ld \
220 RANLIB=${CT_TARGET}-ranlib \
221 ${GLIBC_INITIAL_BUILD_RULE} 2>&1 |CT_DoLog DEBUG
223 CT_DoLog EXTRA "Installing C library"
224 make install_root="${CT_SYSROOT_DIR}" \
225 ${LIBC_SYSROOT_ARG} \
226 ${GLIBC_INITIAL_INSTALL_RULE} 2>&1 |CT_DoLog DEBUG
228 # This doesn't seem to work when building a crosscompiler,
229 # as it tries to execute localedef using the just-built ld.so!?
230 #CT_DoLog EXTRA "Installing locales"
231 #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog DEBUG
233 # Fix problems in linker scripts.
235 # 1. Remove absolute paths
236 # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.
237 # FIXME: test -h is not portable
238 # FIXME: probably need to check more files than just these three...
239 # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks
241 # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
242 # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
244 # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
245 CT_DoLog EXTRA "Fixing C library linker scripts"
246 for file in libc.so libpthread.so libgcc_s.so; do
247 for dir in lib lib64 usr/lib usr/lib64; do
248 if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
249 mv "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
250 CT_DoLog DEBUG "Fixing \"${CT_SYS_ROOT_DIR}/${dir}/${file}\""
251 sed -i -r -e 's,/usr/lib/,,g;
255 /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
263 # This function finishes the glibc install
265 # Finally, build and install glibc programs, now that libeh (if any) is installed
266 # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
267 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
268 # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
269 [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
271 CT_DoStep INFO "Finishing C library"
273 cd "${CT_BUILD_DIR}/build-libc"
275 CT_DoLog EXTRA "Re-building C library"
276 make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib 2>&1 |CT_DoLog DEBUG
278 CT_DoLog EXTRA "Installing missing C library components"
279 # note: should do full install and then fix linker scripts, but this is faster
280 for t in bin rootsbin sbin data others; do
281 make install_root="${CT_SYSROOT_DIR}" \
282 ${LIBC_SYSROOT_ARG} \
283 install-${t} 2>&1 |CT_DoLog DEBUG