Ignore generated file, remove generated file on clean.
/trunk/Makefile.in | 2 2 0 0 ++
1 file changed, 2 insertions(+)
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package.
5 # This is the main entry point to crosstool
7 # - download, extract and patch the toolchain components
8 # - build and install each components in turn
9 # - and eventually test the resulting toolchain
11 # What this file does is prepare the environment, based upon the user-choosen
12 # options. It also checks the existing environment for un-friendly variables,
13 # and builds the tools.
15 # Parse the common functions
16 # Note: some initialisation and sanitizing is done while parsing this file,
18 # - set trap handler on errors,
19 # - don't hash commands lookups,
20 # - initialise logging.
21 . "${CT_LIB_DIR}/scripts/functions"
23 # Parse the configuration file
24 # It has some info about the logging facility, so include it early
26 # Yes! We can do full logging from now on!
28 # Overide the locale early, in case we ever translate crosstool-NG messages
29 [ -z "${CT_NO_OVERIDE_LC_MESSAGES}" ] && export LC_ALL=C
32 CT_WORK_DIR="${CT_WORK_DIR:-${CT_TOP_DIR}/targets}"
34 # Create the bin-overide early
35 # Contains symlinks to the tools found bu ./configure
36 # Note: CT_DoLog and CT_DoExecLog do not use any of those tool, so
37 # they can be safely used
38 CT_BIN_OVERIDE_DIR="${CT_WORK_DIR}/bin"
39 CT_DoLog DEBUG "Creating bin-overide for tools in '${CT_BIN_OVERIDE_DIR}'"
40 CT_DoExecLog DEBUG mkdir -p "${CT_BIN_OVERIDE_DIR}"
41 cat "${CT_LIB_DIR}/paths.mk" |while read trash line; do
44 CT_DoLog DEBUG " '${tool}' -> '${path}'"
45 printf "#${BANG}/bin/sh\nexec '${path}' \"\${@}\"\n" >"${CT_BIN_OVERIDE_DIR}/${tool}"
46 CT_DoExecLog ALL chmod 700 "${CT_BIN_OVERIDE_DIR}/${tool}"
48 export PATH="${CT_BIN_OVERIDE_DIR}:${PATH}"
50 # Start date. Can't be done until we know the locale
51 CT_STAR_DATE=$(CT_DoDate +%s%N)
52 CT_STAR_DATE_HUMAN=$(CT_DoDate +%Y%m%d.%H%M%S)
54 # Log real begining of build, now
55 CT_DoLog INFO "Build started ${CT_STAR_DATE_HUMAN}"
58 CT_DoExecLog DEBUG renice ${CT_NICE} $$
60 CT_DoStep DEBUG "Dumping user-supplied crosstool-NG configuration"
61 CT_DoExecLog DEBUG egrep '^(# |)CT_' .config
64 # Some sanity checks in the environment and needed tools
65 CT_DoLog INFO "Checking environment sanity"
67 CT_DoLog DEBUG "Unsetting and unexporting MAKEFLAGS"
71 # Other environment sanity checks
72 CT_TestAndAbort "Don't set LD_LIBRARY_PATH. It screws up the build." -n "${LD_LIBRARY_PATH}"
73 CT_TestAndAbort "Don't set CFLAGS. It screws up the build." -n "${CFLAGS}"
74 CT_TestAndAbort "Don't set CXXFLAGS. It screws up the build." -n "${CXXFLAGS}"
75 CT_Test "GREP_OPTIONS screws up the build. Resetting." -n "${GREP_OPTIONS}"
78 CT_DoLog INFO "Building environment variables"
80 # Include sub-scripts instead of calling them: that way, we do not have to
81 # export any variable, nor re-parse the configuration and functions files.
82 . "${CT_LIB_DIR}/scripts/build/arch/${CT_ARCH}.sh"
83 . "${CT_LIB_DIR}/scripts/build/kernel/${CT_KERNEL}.sh"
84 . "${CT_LIB_DIR}/scripts/build/gmp.sh"
85 . "${CT_LIB_DIR}/scripts/build/mpfr.sh"
86 . "${CT_LIB_DIR}/scripts/build/binutils.sh"
87 . "${CT_LIB_DIR}/scripts/build/libc/${CT_LIBC}.sh"
88 . "${CT_LIB_DIR}/scripts/build/cc/${CT_CC}.sh"
89 . "${CT_LIB_DIR}/scripts/build/tools.sh"
90 . "${CT_LIB_DIR}/scripts/build/debug.sh"
92 # Target tuple: CT_TARGET needs a little love:
95 # Kludge: If any of the configured options needs CT_TARGET,
96 # then rescan the options file now:
99 # Second kludge: merge user-supplied target CFLAGS with architecture-provided
100 # target CFLAGS. Do the same for LDFLAGS in case it happens in the future.
101 # Put user-supplied flags at the end, so that they take precedence.
102 CT_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_TARGET_CFLAGS}"
103 CT_TARGET_LDFLAGS="${CT_ARCH_TARGET_LDFLAGS} ${CT_TARGET_LDFLAGS}"
104 CT_CC_CORE_EXTRA_CONFIG="${CT_ARCH_CC_CORE_EXTRA_CONFIG} ${CT_CC_CORE_EXTRA_CONFIG}"
105 CT_CC_EXTRA_CONFIG="${CT_ARCH_CC_EXTRA_CONFIG} ${CT_CC_EXTRA_CONFIG}"
107 # Create the working directories
108 CT_TARBALLS_DIR="${CT_WORK_DIR}/tarballs"
109 CT_SRC_DIR="${CT_WORK_DIR}/src"
110 CT_BUILD_DIR="${CT_WORK_DIR}/${CT_TARGET}/build"
111 CT_DEBUG_INSTALL_DIR="${CT_INSTALL_DIR}/${CT_TARGET}/debug-root"
112 # Note: we'll always install the core compiler in its own directory, so as to
113 # not mix the two builds: core and final.
114 CT_CC_CORE_STATIC_PREFIX_DIR="${CT_BUILD_DIR}/${CT_CC}-core-static"
115 CT_CC_CORE_SHARED_PREFIX_DIR="${CT_BUILD_DIR}/${CT_CC}-core-shared"
116 CT_STATE_DIR="${CT_WORK_DIR}/${CT_TARGET}/state"
118 # We must ensure that we can restart if asked for!
119 if [ -n "${CT_RESTART}" -a ! -d "${CT_STATE_DIR}" ]; then
120 CT_DoLog ERROR "You asked to restart a non-restartable build"
121 CT_DoLog ERROR "This happened because you didn't set CT_DEBUG_CT_SAVE_STEPS"
122 CT_DoLog ERROR "in the config options for the previous build, or the state"
123 CT_DoLog ERROR "directory for the previous build was deleted."
124 CT_Abort "I will stop here to avoid any carnage"
127 # If the local tarball directory does not exist, say so, and don't try to save there!
128 if [ ! -d "${CT_LOCAL_TARBALLS_DIR}" ]; then
129 CT_DoLog WARN "Directory '${CT_LOCAL_TARBALLS_DIR}' does not exist. Will not save downloaded tarballs to local storage."
133 # Some more sanity checks now that we have all paths set up
134 case "${CT_LOCAL_TARBALLS_DIR},${CT_TARBALLS_DIR},${CT_SRC_DIR},${CT_BUILD_DIR},${CT_PREFIX_DIR},${CT_INSTALL_DIR}" in
135 *" "*) CT_Abort "Don't use spaces in paths, it breaks things.";;
138 # Check now if we can write to the destination directory:
139 if [ -d "${CT_INSTALL_DIR}" ]; then
140 CT_TestAndAbort "Destination directory '${CT_INSTALL_DIR}' is not removable" ! -w $(dirname "${CT_INSTALL_DIR}")
143 # Good, now grab a bit of informations on the system we're being run on,
144 # just in case something goes awok, and it's not our fault:
145 CT_SYS_USER=$(id -un)
146 CT_SYS_HOSTNAME=$(hostname -f 2>/dev/null || true)
147 # Hmmm. Some non-DHCP-enabled machines do not have an FQDN... Fall back to node name.
148 CT_SYS_HOSTNAME="${CT_SYS_HOSTNAME:-$(uname -n)}"
149 CT_SYS_KERNEL=$(uname -s)
150 CT_SYS_REVISION=$(uname -r)
151 # MacOS X lacks '-o' :
152 CT_SYS_OS=$(uname -o || echo "Unknown (maybe MacOS-X)")
153 CT_SYS_MACHINE=$(uname -m)
154 CT_SYS_PROCESSOR=$(uname -p)
155 CT_SYS_GCC=$(gcc -dumpversion)
156 CT_SYS_TARGET=$(CT_DoConfigGuess)
157 CT_TOOLCHAIN_ID="crosstool-${CT_VERSION} build ${CT_STAR_DATE_HUMAN} by ${CT_SYS_USER}@${CT_SYS_HOSTNAME}"
159 CT_DoLog EXTRA "Preparing working directories"
161 # Ah! The build directory shall be eradicated, even if we restart!
162 if [ -d "${CT_BUILD_DIR}" ]; then
163 CT_DoForceRmdir "${CT_BUILD_DIR}"
166 # Don't eradicate directories if we need to restart
167 if [ -z "${CT_RESTART}" ]; then
168 # Get rid of pre-existing installed toolchain and previous build directories.
169 # We need to do that _before_ we can safely log, because the log file will
170 # most probably be in the toolchain directory.
171 if [ "${CT_FORCE_DOWNLOAD}" = "y" -a -d "${CT_TARBALLS_DIR}" ]; then
172 CT_DoForceRmdir "${CT_TARBALLS_DIR}"
174 if [ "${CT_FORCE_EXTRACT}" = "y" -a -d "${CT_SRC_DIR}" ]; then
175 CT_DoForceRmdir "${CT_SRC_DIR}"
177 if [ -d "${CT_INSTALL_DIR}" ]; then
178 CT_DoForceRmdir "${CT_INSTALL_DIR}"
180 if [ -d "${CT_DEBUG_INSTALL_DIR}" ]; then
181 CT_DoForceRmdir "${CT_DEBUG_INSTALL_DIR}"
183 # In case we start anew, get rid of the previously saved state directory
184 if [ -d "${CT_STATE_DIR}" ]; then
185 CT_DoForceRmdir "${CT_STATE_DIR}"
189 # Create the directories we'll use, even if restarting: it does no harm to
190 # create already existent directories, and CT_BUILD_DIR needs to be created
192 CT_DoExecLog ALL mkdir -p "${CT_TARBALLS_DIR}"
193 CT_DoExecLog ALL mkdir -p "${CT_SRC_DIR}"
194 CT_DoExecLog ALL mkdir -p "${CT_BUILD_DIR}"
195 CT_DoExecLog ALL mkdir -p "${CT_INSTALL_DIR}"
196 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}"
197 CT_DoExecLog ALL mkdir -p "${CT_DEBUG_INSTALL_DIR}"
198 CT_DoExecLog ALL mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}"
199 CT_DoExecLog ALL mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}"
200 CT_DoExecLog ALL mkdir -p "${CT_STATE_DIR}"
202 # Kludge: CT_INSTALL_DIR and CT_PREFIX_DIR might have grown read-only if
203 # the previous build was successful. To be able to move the logfile there,
204 # switch them back to read/write
205 CT_DoExecLog ALL chmod -R u+w "${CT_INSTALL_DIR}" "${CT_PREFIX_DIR}"
207 # Redirect log to the actual log file now we can
208 # It's quite understandable that the log file will be installed in the install
209 # directory, so we must first ensure it exists and is writeable (above) before
212 case "${CT_LOG_TO_FILE}" in
213 y) CT_LOG_FILE="${CT_PREFIX_DIR}/build.log"
214 cat "${tmp_log_file}" >>"${CT_LOG_FILE}"
215 rm -f "${tmp_log_file}"
216 exec >>"${CT_LOG_FILE}"
218 *) rm -f "${tmp_log_file}"
222 # Setting up the rest of the environment only if not restarting
223 if [ -z "${CT_RESTART}" ]; then
225 # Will be plain /bin/sh on most systems, except if we have /bin/ash and we
226 # _explictly_ required using it
228 [ "${CT_CONFIG_SHELL_ASH}" = "y" -a -x "/bin/ash" ] && CT_SHELL="/bin/ash"
230 # Arrange paths depending on wether we use sys-root or not.
231 if [ "${CT_USE_SYSROOT}" = "y" ]; then
232 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}/sys-root"
233 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/usr/include"
234 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
235 CC_CORE_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
236 CC_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
238 # glibc's prefix must be exactly /usr, else --with-sysroot'd gcc will get
239 # confused when $sysroot/usr/include is not present.
240 # Note: --prefix=/usr is magic!
241 # See http://www.gnu.org/software/libc/FAQ.html#s-2.2
243 # plain old way. All libraries in prefix/target/lib
244 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}"
245 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/include"
246 # hack! Always use --with-sysroot for binutils.
247 # binutils 2.14 and later obey it, older binutils ignore it.
248 # Lets you build a working 32->64 bit cross gcc
249 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
250 # Use --with-headers, else final gcc will define disable_glibc while
251 # building libgcc, and you'll have no profiling
252 CC_CORE_SYSROOT_ARG="--without-headers"
253 CC_SYSROOT_ARG="--with-headers=${CT_HEADERS_DIR}"
254 LIBC_SYSROOT_ARG="prefix="
257 # Prepare the 'lib' directories in sysroot, else the ../lib64 hack used by
258 # 32 -> 64 bit crosscompilers won't work, and build of final gcc will fail with
259 # "ld: cannot open crti.o: No such file or directory"
260 CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}/lib"
261 CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
263 # Prevent gcc from installing its libraries outside of the sys-root
264 CT_DoExecLog ALL ln -sf "sys-root/lib" "${CT_PREFIX_DIR}/${CT_TARGET}/lib"
266 # Now, in case we're 64 bits, just have lib64/ be a symlink to lib/
267 # so as to have all libraries in the same directory (we can do that
268 # because we are *not* multilib).
269 if [ "${CT_ARCH_64}" = "y" ]; then
270 CT_DoExecLog ALL ln -sf "lib" "${CT_SYSROOT_DIR}/lib64"
271 CT_DoExecLog ALL ln -sf "lib" "${CT_SYSROOT_DIR}/usr/lib64"
272 CT_DoExecLog ALL ln -sf "sys-root/lib" "${CT_PREFIX_DIR}/${CT_TARGET}/lib64"
275 # Determine build system if not set by the user
276 CT_Test "You did not specify the build system. That's OK, I can guess..." -z "${CT_BUILD}"
277 case "${CT_BUILD}" in
278 "") CT_BUILD=$("${CT_BUILD_PREFIX}gcc${CT_BUILD_SUFFIX}" -dumpmachine);;
281 # Prepare mangling patterns to later modify BUILD and HOST (see below)
282 case "${CT_TOOLCHAIN_TYPE}" in
284 CT_HOST="${CT_BUILD}"
285 build_mangle="build_"
288 *) CT_Abort "No code for '${CT_TOOLCHAIN_TYPE}' toolchain type!"
292 # Save the real tuples to generate shell-wrappers to the real tools
293 CT_REAL_BUILD="${CT_BUILD}"
294 CT_REAL_HOST="${CT_HOST}"
296 # Canonicalise CT_BUILD and CT_HOST
297 # Not only will it give us full-qualified tuples, but it will also ensure
298 # that they are valid tuples (in case of typo with user-provided tuples)
299 # That's way better than trying to rewrite config.sub ourselves...
300 CT_BUILD=$(CT_DoConfigSub "${CT_BUILD}")
301 CT_HOST=$(CT_DoConfigSub "${CT_HOST}")
303 # Modify BUILD and HOST so that gcc always generate a cross-compiler
304 # even if any of the build, host or target machines are the same.
305 # NOTE: we'll have to mangle the (BUILD|HOST)->TARGET x-compiler to
306 # support canadain build, later...
307 CT_BUILD="${CT_BUILD/-/-${build_mangle}}"
308 CT_HOST="${CT_HOST/-/-${host_mangle}}"
310 # Now we have mangled our BUILD and HOST tuples, we must fake the new
311 # cross-tools for those mangled tuples.
312 CT_DoLog DEBUG "Making build system tools available"
313 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/bin"
314 for m in BUILD HOST; do
319 if [ -n "${!p}" ]; then
325 for tool in ar as dlltool gcc g++ gcj gnatbind gnatmake ld nm objcopy objdump ranlib strip windres; do
326 # First try with prefix + suffix
327 # Then try with prefix only
328 # Then try with suffix only, but only for BUILD, and HOST iff REAL_BUILD == REAL_HOST
329 # Finally try with neither prefix nor suffix, but only for BUILD, and HOST iff REAL_BUILD == REAL_HOST
330 # This is needed, because some tools have a prefix and
331 # a suffix (eg. gcc), while others may have only one,
332 # or even none (eg. binutils)
333 where=$(CT_Which "${t}${tool}${!s}")
334 [ -z "${where}" ] && where=$(CT_Which "${t}${tool}")
336 -a \( "${m}" = "BUILD" \
337 -o "${CT_REAL_BUILD}" = "${!r}" \) ]; then
338 where=$(CT_Which "${tool}${!s}")
341 -a \( "${m}" = "BUILD" \
342 -o "${CT_REAL_BUILD}" = "${!r}" \) ]; then
343 where=$(CT_Which "${tool}")
346 # Not all tools are available for all platforms, but some are really,
348 if [ -n "${where}" ]; then
349 CT_DoLog DEBUG " '${!v}-${tool}' -> '${where}'"
350 printf "#${BANG}${CT_SHELL}\nexec '${where}' \"\${@}\"\n" >"${CT_PREFIX_DIR}/bin/${!v}-${tool}"
351 CT_DoExecLog ALL chmod 700 "${CT_PREFIX_DIR}/bin/${!v}-${tool}"
353 # We'll at least need some of them...
355 ar|as|gcc|ld|nm|objcopy|objdump|ranlib)
356 CT_Abort "Missing: '${t}${tool}${!s}' or '${t}${tool}' or '${tool}' : either needed!"
359 # It does not deserve a WARN level.
360 CT_DoLog DEBUG " Missing: '${t}${tool}${!s}' or '${t}${tool}' or '${tool}' : not required."
367 # Carefully add paths in the order we want them:
368 # - first try in ${CT_PREFIX_DIR}/bin
369 # - then try in ${CT_CC_CORE_SHARED_PREFIX_DIR}/bin
370 # - then try in ${CT_CC_CORE_STATIC_PREFIX_DIR}/bin
371 # - fall back to searching user's PATH
372 # Of course, neither cross-native nor canadian can run on BUILD,
373 # so don't add those PATHs in this case...
374 case "${CT_TOOLCHAIN_TYPE}" in
375 cross) export PATH="${CT_PREFIX_DIR}/bin:${CT_CC_CORE_SHARED_PREFIX_DIR}/bin:${CT_CC_CORE_STATIC_PREFIX_DIR}/bin:${PATH}";;
379 # Some makeinfo versions are a pain in [put your most sensible body part here].
380 # Go ahead with those, by creating a wrapper that keeps partial files, and that
382 CT_DoLog DEBUG " 'makeinfo' -> '$(CT_Which makeinfo)'"
383 printf "#${BANG}/bin/sh\n$(CT_Which makeinfo) --force \"\${@}\"\ntrue\n" >"${CT_PREFIX_DIR}/bin/makeinfo"
384 CT_DoExecLog ALL chmod 700 "${CT_PREFIX_DIR}/bin/makeinfo"
388 [ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST="${CT_CFLAGS_FOR_HOST} -pipe"
390 # Override the configured jobs with what's been given on the command line
391 [ -n "${CT_JOBS}" ] && CT_PARALLEL_JOBS="${CT_JOBS}"
393 # Set the shell to be used by ./configure scripts and by Makefiles (those
395 export CONFIG_SHELL="${CT_SHELL}"
397 # And help make go faster
399 [ ${CT_PARALLEL_JOBS} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -j${CT_PARALLEL_JOBS}"
400 [ ${CT_LOAD} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -l${CT_LOAD}"
401 export PARALLELMFLAGS
403 CT_DoLog EXTRA "Installing user-supplied crosstool-NG configuration"
404 CT_DoExecLog DEBUG install -m 0755 "${CT_LIB_DIR}/scripts/toolchain-config.in" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ct-ng.config"
405 bzip2 -c -9 .config >>"${CT_PREFIX_DIR}/bin/${CT_TARGET}-ct-ng.config"
407 CT_DoStep EXTRA "Dumping internal crosstool-NG configuration"
408 CT_DoLog EXTRA "Building a toolchain for:"
409 CT_DoLog EXTRA " build = ${CT_REAL_BUILD}"
410 CT_DoLog EXTRA " host = ${CT_REAL_HOST}"
411 CT_DoLog EXTRA " target = ${CT_TARGET}"
412 set |egrep '^CT_.+=' |sort |CT_DoLog DEBUG
416 if [ -z "${CT_RESTART}" ]; then
417 CT_DoStep INFO "Retrieving needed toolchain components' tarballs"
428 if [ "${CT_ONLY_DOWNLOAD}" != "y" ]; then
429 if [ "${CT_FORCE_EXTRACT}" = "y" ]; then
430 CT_DoForceRmdir "${CT_SRC_DIR}"
431 CT_DoExecLog ALL mkdir -p "${CT_SRC_DIR}"
433 CT_DoStep INFO "Extracting and patching toolchain components"
446 # Now for the job by itself. Go have a coffee!
447 if [ "${CT_ONLY_DOWNLOAD}" != "y" -a "${CT_ONLY_EXTRACT}" != "y" ]; then
448 # Because of CT_RESTART, this becomes quite complex
451 [ -n "${CT_RESTART}" ] && do_it=0 || do_it=1
452 # Aha! CT_STEPS comes from steps.mk!
453 for step in ${CT_STEPS}; do
454 if [ ${do_it} -eq 0 ]; then
455 if [ "${CT_RESTART}" = "${step}" ]; then
456 CT_DoLoadState "${step}"
461 CT_DoSaveState ${step}
462 if [ ${do_stop} -eq 1 ]; then
463 CT_DoLog ERROR "Stopping just after step '${prev_step}', as requested."
467 if [ ${do_it} -eq 1 ]; then
469 if [ "${CT_STOP}" = "${step}" ]; then
472 if [ "${CT_DEBUG_PAUSE_STEPS}" = "y" ]; then
473 CT_DoPause "Step '${step}' finished"
482 # From now-on, it can become impossible to log any time, because
483 # either we're compressing the log file, or it can become RO any
484 # moment... Consign all ouptut to oblivion...
485 CT_DoLog INFO "Finishing installation (may take a few seconds)..."
488 [ "${CT_LOG_FILE_COMPRESS}" = y ] && bzip2 -9 "${CT_LOG_FILE}"
489 [ "${CT_INSTALL_DIR_RO}" = "y" ] && chmod -R a-w "${CT_INSTALL_DIR}"