Sanitise CT_DoBuildTargetTriplet a bit.
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
7 libc_src="http://www.uclibc.org/downloads
8 http://www.uclibc.org/downloads/snapshots
9 http://www.uclibc.org/downloads/old-releases"
10 # For uClibc, we have almost every thing: releases, and snapshots
11 # for the last month or so. We'll have to deal with svn revisions
13 CT_GetFile "${CT_LIBC_FILE}" ${libc_src}
15 [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_GetFile "uClibc-locale-030818" ${libc_src}
22 CT_ExtractAndPatch "${CT_LIBC_FILE}"
24 [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_ExtractAndPatch "uClibc-locale-030818"
29 # Check that uClibc has been previously configured
30 do_libc_check_config() {
31 CT_DoStep INFO "Checking C library configuration"
33 CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}"
35 cp "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_SRC_DIR}/uClibc.config"
37 if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
38 CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
39 CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
42 CT_DoLog EXTRA "Munging uClibc configuration"
43 mungeuClibcConfig "${CT_SRC_DIR}/uClibc.config"
48 # This functions installs uClibc's headers
50 # Only need to install bootstrap uClibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
51 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
52 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
54 CT_DoStep INFO "Installing C library headers"
56 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
57 cd "${CT_BUILD_DIR}/build-libc-headers"
59 # Simply copy files until uClibc has the ablity to build out-of-tree
60 CT_DoLog EXTRA "Copying sources to build dir"
61 { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
63 # Retrieve the config file
64 cp "${CT_SRC_DIR}/uClibc.config" .config
66 # uClibc uses the CROSS environment variable as a prefix to the
67 # compiler tools to use. Setting it to the empty string forces
68 # use of the native build host tools, which we need at this
69 # stage, as we don't have target tools yet.
70 CT_DoLog EXTRA "Applying configuration"
71 CT_DoYes "" |make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig 2>&1 |CT_DoLog ALL
73 CT_DoLog EXTRA "Building headers"
74 make ${PARALLELMFLAGS} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers 2>&1 |CT_DoLog ALL
76 CT_DoLog EXTRA "Installing headers"
77 make CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_dev 2>&1 |CT_DoLog ALL
82 # This function build and install the full uClibc
84 CT_DoStep INFO "Installing C library"
86 mkdir -p "${CT_BUILD_DIR}/build-libc"
87 cd "${CT_BUILD_DIR}/build-libc"
89 # Simply copy files until uClibc has the ablity to build out-of-tree
90 CT_DoLog EXTRA "Copying sources to build dir"
91 { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
93 # Retrieve the config file
94 cp "${CT_SRC_DIR}/uClibc.config" .config
96 # uClibc uses the CROSS environment variable as a prefix to the compiler
97 # tools to use. The newly built tools should be in our path, so we need
98 # only give the correct name for them.
99 # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
100 # depending on the configuration of the library. That is, they are tailored
101 # to best fit the target. So it is useless and seems to be a bad thing to
102 # use LIBC_EXTRA_CFLAGS here.
103 CT_DoLog EXTRA "Applying configuration"
104 CT_DoYes "" |make ${PARALLELMFLAGS} \
105 CROSS=${CT_TARGET}- \
106 PREFIX="${CT_SYSROOT_DIR}/" \
107 oldconfig 2>&1 |CT_DoLog ALL
109 # We do _not_ want to strip anything for now, in case we specifically
110 # asked for a debug toolchain, thus the STRIPTOOL= assignment
111 CT_DoLog EXTRA "Building C library"
112 make ${PARALLELMFLAGS} \
113 CROSS=${CT_TARGET}- \
114 PREFIX="${CT_SYSROOT_DIR}/" \
116 all 2>&1 |CT_DoLog ALL
118 # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want
119 # to install headers in $SYSROOT/include, thus making only install_runtime.
120 # Plus, the headers were previously installed earlier with install_dev, so
121 # all should be well. Unfortunately, the install_dev target does not install
122 # crti.o and consorts... :-( So reverting to target 'install'.
123 # Note: PARALLELMFLAGS is not usefull for installation.
124 # We do _not_ want to strip anything for now, in case we specifically
125 # asked for a debug toolchain, thus the STRIPTOOL= assignment
126 CT_DoLog EXTRA "Installing C library"
127 make CROSS=${CT_TARGET}- \
128 PREFIX="${CT_SYSROOT_DIR}/" \
130 install 2>&1 |CT_DoLog ALL
135 # This function is used to install those components needing the final C compiler
140 # Initialises the .config file to sensible values
141 mungeuClibcConfig() {
143 munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
145 # Hack our target in the config file.
146 # Also remove stripping: its the responsibility of the
147 # firmware builder to strip or not.
148 cat > "${munge_file}" <<-ENDSED
149 s/^(TARGET_.*)=y$/# \\1 is not set/
150 s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
151 s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
152 s/.*(DOSTRIP).*/# \\1 is not set/
155 # Accomodate for old and new uClibc versions, where the
156 # way to select between big/little endian has changed
157 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
158 y,) cat >> "${munge_file}" <<-ENDSED
159 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
160 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
161 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
162 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
165 ,y) cat >> "${munge_file}" <<-ENDSED
166 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
167 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
168 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
169 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
174 # Accomodate for old and new uClibc version, where the
175 # way to select between hard/soft float has changed
176 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
177 y,) cat >> "${munge_file}" <<-ENDSED
178 s/.*(HAS_FPU).*/\\1=y/
179 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
182 ,y) cat >> "${munge_file}" <<-ENDSED
183 s/.*(HAS_FPU).*/\\# \\1 is not set/
184 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
189 # Change paths to work with crosstool
190 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
191 # " we just want the kernel headers, not the whole kernel source ...
192 # " so people may need to update their paths slightly
193 quoted_kernel_source=`echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\\\/,g;'`
194 quoted_headers_dir=`echo ${CT_HEADERS_DIR} | sed -r -e 's,/,\\\\/,g;'`
195 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
196 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
197 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
198 # newer versions use KERNEL_HEADERS (which is right). See:
199 cat >> "${munge_file}" <<-ENDSED
200 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
201 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
202 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
203 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
204 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
205 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
208 if [ "${CT_USE_PIPES}" = "y" ]; then
209 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
210 # Good, there is special provision for such things as -pipe!
211 cat >> "${munge_file}" <<-ENDSED
212 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
215 # Hack our -pipe into WARNINGS, which will be internally incorporated to
216 # CFLAGS. This a dirty hack, but yet needed
217 cat >> "${munge_file}" <<-ENDSED
218 s/^(WARNINGS=".*)"$/\\1 -pipe"/
223 # Force on options needed for C++ if we'll be making a C++ compiler.
224 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
225 # entirely if LOCALE is not set. If LOCALE was already set, we'll
226 # assume the user has already made all the appropriate generation
227 # arrangements. Note that having the uClibc Makefile download the
228 # pregenerated locales is not compatible with crosstool; besides,
229 # crosstool downloads them as part of getandpatch.sh.
230 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
231 cat >> "${munge_file}" <<-ENDSED
232 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
233 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
234 # Add these three lines when doing C++?
235 #s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
236 #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/
237 #s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
241 # Force on debug options if asked for
242 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
244 cat >>"${munge_file}" <<-ENDSED
245 s/^PTHREADS_DEBUG_SUPPORT=y/# PTHREADS_DEBUG_SUPPORT is not set/
246 s/^DODEBUG=y/# DODEBUG is not set/
247 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
248 s/^DOASSERTS=y/# DOASSERTS is not set/
249 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
250 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
251 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
255 cat >>"${munge_file}" <<-ENDSED
256 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
257 s/^# DODEBUG is not set.*/DODEBUG=y/
258 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
259 s/^DOASSERTS=y/# DOASSERTS is not set/
260 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
261 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
262 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
266 cat >>"${munge_file}" <<-ENDSED
267 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
268 s/^# DODEBUG is not set.*/DODEBUG=y/
269 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
270 s/^# DOASSERTS is not set.*/DOASSERTS=y/
271 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
272 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
273 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
277 sed -r -i -f "${munge_file}" "${config_file}"
278 rm -f "${munge_file}"