Add an x86_64 sample.
1 # This file declares functions to install the uClibc C library
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
6 [ "${CT_LIBC}" = "uClibc" ] || return 0
7 echo "uClibc-${CT_LIBC_VERSION}"
8 [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && echo "uClibc-locale-030818" || true
13 libc_src="http://www.uclibc.org/downloads
14 http://www.uclibc.org/downloads/snapshots
15 http://www.uclibc.org/downloads/old-releases"
16 # For uClibc, we have almost every thing: releases, and snapshots
17 # for the last month or so. We'll have to deal with svn revisions
19 CT_GetFile "${CT_LIBC_FILE}" ${libc_src}
21 [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_GetFile "uClibc-locale-030818" ${libc_src} || true
28 CT_ExtractAndPatch "${CT_LIBC_FILE}"
30 [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_ExtractAndPatch "uClibc-locale-030818" || true
35 # Check that uClibc has been previously configured
36 do_libc_check_config() {
37 CT_DoStep INFO "Checking C library configuration"
39 CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
41 cp "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_SRC_DIR}/uClibc.config"
43 if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
44 CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
45 CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
48 CT_DoLog EXTRA "Munging uClibc configuration"
49 mungeuClibcConfig "${CT_SRC_DIR}/uClibc.config"
54 # This functions installs uClibc's headers
56 # Only need to install bootstrap uClibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
57 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
58 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
60 CT_DoStep INFO "Installing C library headers"
62 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
63 cd "${CT_BUILD_DIR}/build-libc-headers"
65 # Simply copy files until uClibc has the ablity to build out-of-tree
66 CT_DoLog EXTRA "Copying sources to build dir"
67 { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
69 # Retrieve the config file
70 cp "${CT_SRC_DIR}/uClibc.config" .config
72 # uClibc uses the CROSS environment variable as a prefix to the
73 # compiler tools to use. Setting it to the empty string forces
74 # use of the native build host tools, which we need at this
75 # stage, as we don't have target tools yet.
76 CT_DoLog EXTRA "Applying configuration"
77 CT_DoYes "" |make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig 2>&1 |CT_DoLog ALL
79 CT_DoLog EXTRA "Building headers"
80 make CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers 2>&1 |CT_DoLog ALL
82 CT_DoLog EXTRA "Installing headers"
83 make CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_dev 2>&1 |CT_DoLog ALL
88 # Build and install start files
89 do_libc_start_files() {
93 # This function build and install the full uClibc
95 CT_DoStep INFO "Installing C library"
97 mkdir -p "${CT_BUILD_DIR}/build-libc"
98 cd "${CT_BUILD_DIR}/build-libc"
100 # Simply copy files until uClibc has the ablity to build out-of-tree
101 CT_DoLog EXTRA "Copying sources to build dir"
102 { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
104 # Retrieve the config file
105 cp "${CT_SRC_DIR}/uClibc.config" .config
107 # uClibc uses the CROSS environment variable as a prefix to the compiler
108 # tools to use. The newly built tools should be in our path, so we need
109 # only give the correct name for them.
110 # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
111 # depending on the configuration of the library. That is, they are tailored
112 # to best fit the target. So it is useless and seems to be a bad thing to
113 # use LIBC_EXTRA_CFLAGS here.
114 CT_DoLog EXTRA "Applying configuration"
115 CT_DoYes "" |make CROSS=${CT_TARGET}- \
116 PREFIX="${CT_SYSROOT_DIR}/" \
117 oldconfig 2>&1 |CT_DoLog ALL
119 # We do _not_ want to strip anything for now, in case we specifically
120 # asked for a debug toolchain, thus the STRIPTOOL= assignment
121 CT_DoLog EXTRA "Building C library"
122 make CROSS=${CT_TARGET}- \
123 PREFIX="${CT_SYSROOT_DIR}/" \
125 all 2>&1 |CT_DoLog ALL
127 # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want
128 # to install headers in $SYSROOT/include, thus making only install_runtime.
129 # Plus, the headers were previously installed earlier with install_dev, so
130 # all should be well. Unfortunately, the install_dev target does not install
131 # crti.o and consorts... :-( So reverting to target 'install'.
132 # Note: PARALLELMFLAGS is not usefull for installation.
133 # We do _not_ want to strip anything for now, in case we specifically
134 # asked for a debug toolchain, thus the STRIPTOOL= assignment
135 CT_DoLog EXTRA "Installing C library"
136 make CROSS=${CT_TARGET}- \
137 PREFIX="${CT_SYSROOT_DIR}/" \
139 install 2>&1 |CT_DoLog ALL
144 # This function is used to install those components needing the final C compiler
149 # Initialises the .config file to sensible values
150 mungeuClibcConfig() {
152 munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
154 # Hack our target in the config file.
155 # Also remove stripping: its the responsibility of the
156 # firmware builder to strip or not.
157 cat > "${munge_file}" <<-ENDSED
158 s/^(TARGET_.*)=y$/# \\1 is not set/
159 s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
160 s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
161 s/.*(DOSTRIP).*/# \\1 is not set/
164 # Accomodate for old and new uClibc versions, where the
165 # way to select between big/little endian has changed
166 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
167 y,) cat >> "${munge_file}" <<-ENDSED
168 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
169 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
170 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
171 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
174 ,y) cat >> "${munge_file}" <<-ENDSED
175 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
176 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
177 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
178 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
183 # Accomodate for old and new uClibc version, where the
184 # way to select between hard/soft float has changed
185 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
186 y,) cat >> "${munge_file}" <<-ENDSED
187 s/.*(HAS_FPU).*/\\1=y/
188 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
191 ,y) cat >> "${munge_file}" <<-ENDSED
192 s/.*(HAS_FPU).*/\\# \\1 is not set/
193 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
198 # Change paths to work with crosstool
199 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
200 # " we just want the kernel headers, not the whole kernel source ...
201 # " so people may need to update their paths slightly
202 quoted_kernel_source=`echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\\\/,g;'`
203 quoted_headers_dir=`echo ${CT_HEADERS_DIR} | sed -r -e 's,/,\\\\/,g;'`
204 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
205 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
206 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
207 # newer versions use KERNEL_HEADERS (which is right). See:
208 cat >> "${munge_file}" <<-ENDSED
209 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
210 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
211 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
212 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
213 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
214 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
217 if [ "${CT_USE_PIPES}" = "y" ]; then
218 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
219 # Good, there is special provision for such things as -pipe!
220 cat >> "${munge_file}" <<-ENDSED
221 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
224 # Hack our -pipe into WARNINGS, which will be internally incorporated to
225 # CFLAGS. This a dirty hack, but yet needed
226 cat >> "${munge_file}" <<-ENDSED
227 s/^(WARNINGS=".*)"$/\\1 -pipe"/
232 # Force on options needed for C++ if we'll be making a C++ compiler.
233 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
234 # entirely if LOCALE is not set. If LOCALE was already set, we'll
235 # assume the user has already made all the appropriate generation
236 # arrangements. Note that having the uClibc Makefile download the
237 # pregenerated locales is not compatible with crosstool; besides,
238 # crosstool downloads them as part of getandpatch.sh.
239 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
240 cat >> "${munge_file}" <<-ENDSED
241 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
242 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
243 # Add these three lines when doing C++?
244 #s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
245 #s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\nUCLIBC_PREGENERATED_LOCALE_DATA=y\\n\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\n\\# UCLIBC_HAS_XLOCALE is not set/
246 #s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
250 # Force on debug options if asked for
251 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
253 cat >>"${munge_file}" <<-ENDSED
254 s/^PTHREADS_DEBUG_SUPPORT=y/# PTHREADS_DEBUG_SUPPORT is not set/
255 s/^DODEBUG=y/# DODEBUG is not set/
256 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
257 s/^DOASSERTS=y/# DOASSERTS is not set/
258 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
259 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
260 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
264 cat >>"${munge_file}" <<-ENDSED
265 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
266 s/^# DODEBUG is not set.*/DODEBUG=y/
267 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
268 s/^DOASSERTS=y/# DOASSERTS is not set/
269 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
270 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
271 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
275 cat >>"${munge_file}" <<-ENDSED
276 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
277 s/^# DODEBUG is not set.*/DODEBUG=y/
278 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
279 s/^# DOASSERTS is not set.*/DOASSERTS=y/
280 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
281 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
282 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
286 sed -r -i -f "${munge_file}" "${config_file}"
287 rm -f "${munge_file}"