Better handle the second pass core gcc build, differentiating between gcc prior to 4.3 with gcc from 4.3.
Simplify detecting wether gcc is 4.3 and later, or older than 4.3 (we already know from .config).
/trunk/scripts/build/cc/gcc.sh | 22 13 9 0 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
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 "${CT_LIBC_UCLIBC_CONFIG_FILE}"
41 if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then
42 CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad."
43 CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade."
46 CT_DoLog EXTRA "Munging uClibc configuration"
47 mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_BUILD_DIR}/uClibc.config"
52 # This functions installs uClibc's headers
54 # Only need to install bootstrap uClibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
55 # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
56 grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0
58 CT_DoStep INFO "Installing C library headers"
60 mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
61 cd "${CT_BUILD_DIR}/build-libc-headers"
63 # Simply copy files until uClibc has the ablity to build out-of-tree
64 CT_DoLog EXTRA "Copying sources to build dir"
65 { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
67 # Retrieve the config file
68 cp "${CT_BUILD_DIR}/uClibc.config" .config
70 # uClibc uses the CROSS environment variable as a prefix to the
71 # compiler tools to use. Setting it to the empty string forces
72 # use of the native build host tools, which we need at this
73 # stage, as we don't have target tools yet.
74 CT_DoLog EXTRA "Applying configuration"
75 CT_DoYes "" |CT_DoExecLog ALL make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig
77 CT_DoLog EXTRA "Building headers"
78 CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers
80 CT_DoLog EXTRA "Installing headers"
81 CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_dev
86 # Build and install start files
87 do_libc_start_files() {
91 # This function build and install the full uClibc
93 CT_DoStep INFO "Installing C library"
95 mkdir -p "${CT_BUILD_DIR}/build-libc"
96 cd "${CT_BUILD_DIR}/build-libc"
98 # Simply copy files until uClibc has the ablity to build out-of-tree
99 CT_DoLog EXTRA "Copying sources to build dir"
100 { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf -
102 # Retrieve the config file
103 cp "${CT_BUILD_DIR}/uClibc.config" .config
105 # uClibc uses the CROSS environment variable as a prefix to the compiler
106 # tools to use. The newly built tools should be in our path, so we need
107 # only give the correct name for them.
108 # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak,
109 # depending on the configuration of the library. That is, they are tailored
110 # to best fit the target. So it is useless and seems to be a bad thing to
111 # use LIBC_EXTRA_CFLAGS here.
112 CT_DoLog EXTRA "Applying configuration"
113 CT_DoYes "" |CT_DoExecLog ALL \
114 make CROSS=${CT_TARGET}- \
115 PREFIX="${CT_SYSROOT_DIR}/" \
118 # We do _not_ want to strip anything for now, in case we specifically
119 # asked for a debug toolchain, thus the STRIPTOOL= assignment
120 CT_DoLog EXTRA "Building C library"
122 make CROSS=${CT_TARGET}- \
123 PREFIX="${CT_SYSROOT_DIR}/" \
125 ${CT_LIBC_UCLIBC_VERBOSITY} \
128 # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want
129 # to install headers in $SYSROOT/include, thus making only install_runtime.
130 # Plus, the headers were previously installed earlier with install_dev, so
131 # all should be well. Unfortunately, the install_dev target does not install
132 # crti.o and consorts... :-( So reverting to target 'install'.
133 # Note: PARALLELMFLAGS is not usefull for installation.
134 # We do _not_ want to strip anything for now, in case we specifically
135 # asked for a debug toolchain, thus the STRIPTOOL= assignment
136 CT_DoLog EXTRA "Installing C library"
138 make CROSS=${CT_TARGET}- \
139 PREFIX="${CT_SYSROOT_DIR}/" \
141 ${CT_LIBC_UCLIBC_VERBOSITY} \
147 # This function is used to install those components needing the final C compiler
152 # Initialises the .config file to sensible values
155 mungeuClibcConfig() {
158 munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed"
160 # Start with a fresh file
161 rm -f "${munge_file}"
162 touch "${munge_file}"
164 # Hack our target in the config file.
165 # Also remove stripping: its the responsibility of the
166 # firmware builder to strip or not.
167 cat >>"${munge_file}" <<-ENDSED
168 s/^(TARGET_.*)=y$/# \\1 is not set/
169 s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/
170 s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/
171 s/.*(DOSTRIP).*/# \\1 is not set/
174 # Ah. We may one day need architecture-specific handler here...
175 # Hack the ARM {E,O}ABI into the config file
176 if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then
177 cat >>"${munge_file}" <<-ENDSED
178 s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/
179 s/.*(CONFIG_ARM_EABI).*/\\1=y/
182 cat >>"${munge_file}" <<-ENDSED
183 s/.*(CONFIG_ARM_OABI).*/\\1=y/
184 s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/
188 # Accomodate for old and new uClibc versions, where the
189 # way to select between big/little endian has changed
190 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
191 y,) cat >>"${munge_file}" <<-ENDSED
192 s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/
193 s/.*(ARCH_BIG_ENDIAN).*/\\1=y/
194 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/
195 s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/
198 ,y) cat >>"${munge_file}" <<-ENDSED
199 s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/
200 s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/
201 s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/
202 s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/
207 # Accomodate for old and new uClibc version, where the
208 # way to select between hard/soft float has changed
209 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
210 y,) cat >>"${munge_file}" <<-ENDSED
211 s/^[^_]*(HAS_FPU).*/\\1=y/
212 s/.*(UCLIBC_HAS_FPU).*/\\1=y/
215 ,y) cat >>"${munge_file}" <<-ENDSED
216 s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/
217 s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/
222 # Change paths to work with crosstool-NG
223 # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev
224 # " we just want the kernel headers, not the whole kernel source ...
225 # " so people may need to update their paths slightly
226 quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;')
227 quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;')
228 # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line
229 # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET}
230 # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and
231 # newer versions use KERNEL_HEADERS (which is right). See:
232 cat >>"${munge_file}" <<-ENDSED
233 s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/
234 s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/
235 s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/
236 s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/
237 s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/
238 s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/
241 if [ "${CT_USE_PIPES}" = "y" ]; then
242 if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then
243 # Good, there is special provision for such things as -pipe!
244 cat >>"${munge_file}" <<-ENDSED
245 s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/
248 # Hack our -pipe into WARNINGS, which will be internally incorporated to
249 # CFLAGS. This a dirty hack, but yet needed
250 cat >> "${munge_file}" <<-ENDSED
251 s/^(WARNINGS=".*)"$/\\1 -pipe"/
256 # Force on options needed for C++ if we'll be making a C++ compiler.
257 # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing
258 # entirely if LOCALE is not set. If LOCALE was already set, we'll
259 # assume the user has already made all the appropriate generation
260 # arrangements. Note that having the uClibc Makefile download the
261 # pregenerated locales is not compatible with crosstool; besides,
262 # crosstool downloads them as part of getandpatch.sh.
263 if [ "${CT_CC_LANG_CXX}" = "y" ]; then
264 cat >>"${munge_file}" <<-ENDSED
265 s/^# DO_C99_MATH is not set/DO_C99_MATH=y/
266 s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/
267 # Add these three lines when doing C++?
268 s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/
269 #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/
270 s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/
274 # Always build the libpthread_db
275 cat >>"${munge_file}" <<-ENDSED
276 s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/
279 # Force on debug options if asked for
280 case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in
282 cat >>"${munge_file}" <<-ENDSED
283 s/^DODEBUG=y/# DODEBUG is not set/
284 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
285 s/^DOASSERTS=y/# DOASSERTS is not set/
286 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
287 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
288 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
292 cat >>"${munge_file}" <<-ENDSED
293 s/^# DODEBUG is not set.*/DODEBUG=y/
294 s/^DODEBUG_PT=y/# DODEBUG_PT is not set/
295 s/^DOASSERTS=y/# DOASSERTS is not set/
296 s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/
297 s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/
298 s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/
302 cat >>"${munge_file}" <<-ENDSED
303 s/^# DODEBUG is not set.*/DODEBUG=y/
304 s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/
305 s/^# DOASSERTS is not set.*/DOASSERTS=y/
306 s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/
307 s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/
308 s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/
312 sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}"