Fix installing a glibc header for those archs that are in ports.
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 . "${CT_LIB_DIR}/scripts/functions"
18 CT_STAR_DATE=`CT_DoDate +%s%N`
19 CT_STAR_DATE_HUMAN=`CT_DoDate +%Y%m%d.%H%M%S`
21 # Are we configured? We'll need that later...
22 CT_TestOrAbort "Configuration file not found. Please create one." -f "${CT_TOP_DIR}/.config"
24 # Parse the configuration file
25 # It has some info about the logging facility, so include it early
26 . "${CT_TOP_DIR}/.config"
29 renice ${CT_NICE} $$ |CT_DoLog DEBUG
31 # Yes! We can do full logging from now on!
32 CT_DoLog INFO "Build started ${CT_STAR_DATE_HUMAN}"
34 CT_DoStep DEBUG "Dumping crosstool-NG configuration"
35 cat "${CT_TOP_DIR}/.config" |egrep '^(# |)CT_' |CT_DoLog DEBUG
38 # Some sanity checks in the environment and needed tools
39 CT_DoLog INFO "Checking environment sanity"
41 # Enable known ordering of files in directory listings:
42 CT_Test "crosstool-NG might not work as expected with LANG=\"${LANG}\"" -n "${LANG}"
43 case "${LC_COLLATE},${LC_ALL}" in
44 # These four combinations are known to sort files in the correct order:
49 # Anything else is destined to be borked if not gracefuly handled:
50 *) CT_DoLog WARN "Either LC_COLLATE=\"${LC_COLLATE}\" or LC_ALL=\"${LC_ALL}\" is not supported."
51 export LC_ALL=`locale -a |egrep "^(fr_FR|en_US)" |head -n 1`
52 CT_TestOrAbort "Neither en_US* nor fr_FR* locales found on your system." -n "${LC_ALL}"
53 CT_DoLog WARN "Forcing to known working LC_ALL=\"${LC_ALL}\"."
57 # Other environment sanity checks
58 CT_TestAndAbort "Don't set LD_LIBRARY_PATH. It screws up the build." -n "${LD_LIBRARY_PATH}"
59 CT_TestAndAbort "Don't set CFLAGS. It screws up the build." -n "${CFLAGS}"
60 CT_TestAndAbort "Don't set CXXFLAGS. It screws up the build." -n "${CXXFLAGS}"
61 CT_Test "GREP_OPTIONS screws up the build. Resetting." -n "${GREP_OPTIONS}"
69 CT_DoLog INFO "Building environment variables"
71 # Target triplet: CT_TARGET needs a little love:
72 CT_DoBuildTargetTriplet
74 # Kludge: If any of the configured options needs CT_TARGET,
75 # then rescan the options file now:
76 . "${CT_TOP_DIR}/.config"
78 # Now, build up the variables from the user-configured options.
79 CT_KERNEL_FILE="${CT_KERNEL}-${CT_KERNEL_VERSION}"
80 CT_BINUTILS_FILE="binutils-${CT_BINUTILS_VERSION}"
81 if [ "${CT_CC_USE_CORE}" != "y" ]; then
83 CT_CC_CORE_VERSION="${CT_CC_VERSION}"
84 CT_CC_CORE_EXTRA_CONFIG="${CT_CC_EXTRA_CONFIG}"
86 CT_CC_CORE_FILE="${CT_CC_CORE}-${CT_CC_CORE_VERSION}"
87 CT_CC_FILE="${CT_CC}-${CT_CC_VERSION}"
88 CT_LIBC_FILE="${CT_LIBC}-${CT_LIBC_VERSION}"
89 CT_LIBFLOAT_FILE="libfloat-${CT_LIBFLOAT_VERSION}"
92 CT_TARBALLS_DIR="${CT_TOP_DIR}/targets/tarballs"
93 CT_SRC_DIR="${CT_TOP_DIR}/targets/src"
94 CT_BUILD_DIR="${CT_TOP_DIR}/targets/${CT_TARGET}/build"
95 CT_DEBUG_INSTALL_DIR="${CT_INSTALL_DIR}/${CT_TARGET}/debug-root"
96 # Note: we'll always install the core compiler in its own directory, so as to
97 # not mix the two builds: core and final. Anyway, its generic, wether we use
98 # a different compiler as core, or not.
99 CT_CC_CORE_STATIC_PREFIX_DIR="${CT_BUILD_DIR}/${CT_CC}-core-static"
100 CT_CC_CORE_SHARED_PREFIX_DIR="${CT_BUILD_DIR}/${CT_CC}-core-shared"
101 CT_STATE_DIR="${CT_TOP_DIR}/targets/${CT_TARGET}/state"
103 # We must ensure that we can restart if asked for!
104 if [ -n "${CT_RESTART}" -a ! -d "${CT_STATE_DIR}" ]; then
105 CT_DoLog ERROR "You asked to restart a non-restartable build"
106 CT_DoLog ERROR "This happened because you didn't set CT_DEBUG_CT_SAVE_STEPS"
107 CT_DoLog ERROR "in the config options for the previous build, or the state"
108 CT_DoLog ERROR "directoy for the previous build was deleted."
109 CT_Abort "I will stop here to avoid any carnage"
112 # Make all path absolute, it so much easier!
113 CT_LOCAL_TARBALLS_DIR="`CT_MakeAbsolutePath \"${CT_LOCAL_TARBALLS_DIR}\"`"
115 # Some more sanity checks now that we have all paths set up
116 case "${CT_TARBALLS_DIR},${CT_SRC_DIR},${CT_BUILD_DIR},${CT_PREFIX_DIR},${CT_INSTALL_DIR}" in
117 *" "*) CT_Abort "Don't use spaces in paths, it breaks things.";;
120 # Check now if we can write to the destination directory:
121 if [ -d "${CT_INSTALL_DIR}" ]; then
122 CT_TestAndAbort "Destination directory \"${CT_INSTALL_DIR}\" is not removable" ! -w `dirname "${CT_INSTALL_DIR}"`
125 # Good, now grab a bit of informations on the system we're being run on,
126 # just in case something goes awok, and it's not our fault:
127 CT_SYS_USER="`id -un`"
128 CT_SYS_HOSTNAME=`hostname -f 2>/dev/null || true`
129 # Hmmm. Some non-DHCP-enabled machines do not have an FQDN... Fall back to node name.
130 CT_SYS_HOSTNAME="${CT_SYS_HOSTNAME:-`uname -n`}"
131 CT_SYS_KERNEL=`uname -s`
132 CT_SYS_REVISION=`uname -r`
133 # MacOS X lacks '-o' :
134 CT_SYS_OS=`uname -o || echo "Unknown (maybe MacOS-X)"`
135 CT_SYS_MACHINE=`uname -m`
136 CT_SYS_PROCESSOR=`uname -p`
137 CT_SYS_GCC=`gcc -dumpversion`
138 CT_SYS_TARGET=`CT_DoConfigGuess`
139 CT_TOOLCHAIN_ID="crosstool-${CT_VERSION} build ${CT_STAR_DATE_HUMAN} by ${CT_SYS_USER}@${CT_SYS_HOSTNAME}"
141 CT_DoLog EXTRA "Preparing working directories"
143 # Ah! The build directory shall be eradicated, even if we restart!
144 if [ -d "${CT_BUILD_DIR}" ]; then
145 mv "${CT_BUILD_DIR}" "${CT_BUILD_DIR}.$$"
146 chmod -R u+w "${CT_BUILD_DIR}.$$"
147 nohup rm -rf "${CT_BUILD_DIR}.$$" >/dev/null 2>&1 &
150 # Don't eradicate directories if we need to restart
151 if [ -z "${CT_RESTART}" ]; then
152 # Get rid of pre-existing installed toolchain and previous build directories.
153 # We need to do that _before_ we can safely log, because the log file will
154 # most probably be in the toolchain directory.
155 if [ "${CT_FORCE_DOWNLOAD}" = "y" -a -d "${CT_TARBALLS_DIR}" ]; then
156 mv "${CT_TARBALLS_DIR}" "${CT_TARBALLS_DIR}.$$"
157 chmod -R u+w "${CT_TARBALLS_DIR}.$$"
158 nohup rm -rf "${CT_TARBALLS_DIR}.$$" >/dev/null 2>&1 &
160 if [ "${CT_FORCE_EXTRACT}" = "y" -a -d "${CT_SRC_DIR}" ]; then
161 mv "${CT_SRC_DIR}" "${CT_SRC_DIR}.$$"
162 chmod -R u+w "${CT_SRC_DIR}.$$"
163 nohup rm -rf "${CT_SRC_DIR}.$$" >/dev/null 2>&1 &
165 if [ -d "${CT_INSTALL_DIR}" ]; then
166 mv "${CT_INSTALL_DIR}" "${CT_INSTALL_DIR}.$$"
167 chmod -R u+w "${CT_INSTALL_DIR}.$$"
168 nohup rm -rf "${CT_INSTALL_DIR}.$$" >/dev/null 2>&1 &
170 if [ -d "${CT_DEBUG_INSTALL_DIR}" ]; then
171 mv "${CT_DEBUG_INSTALL_DIR}" "${CT_DEBUG_INSTALL_DIR}.$$"
172 chmod -R u+w "${CT_DEBUG_INSTALL_DIR}.$$"
173 nohup rm -rf "${CT_DEBUG_INSTALL_DIR}.$$" >/dev/null 2>&1 &
175 # In case we start anew, get rid of the previously saved state directory
176 if [ -d "${CT_STATE_DIR}" ]; then
177 mv "${CT_STATE_DIR}" "${CT_STATE_DIR}.$$"
178 chmod -R u+w "${CT_STATE_DIR}.$$"
179 nohup rm -rf "${CT_STATE_DIR}.$$" >/dev/null 2>&1 &
183 # Create the directories we'll use, even if restarting: it does no harm to
184 # create already existent directories, and CT_BUILD_DIR needs to be created
186 mkdir -p "${CT_TARBALLS_DIR}"
187 mkdir -p "${CT_SRC_DIR}"
188 mkdir -p "${CT_BUILD_DIR}"
189 mkdir -p "${CT_INSTALL_DIR}"
190 mkdir -p "${CT_PREFIX_DIR}"
191 mkdir -p "${CT_DEBUG_INSTALL_DIR}"
192 mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}"
193 mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}"
194 mkdir -p "${CT_STATE_DIR}"
196 # Kludge: CT_INSTALL_DIR and CT_PREFIX_DIR might have grown read-only if
197 # the previous build was successfull. To be able to move the logfile there,
198 # switch them back to read/write
199 chmod -R u+w "${CT_INSTALL_DIR}" "${CT_PREFIX_DIR}"
201 # Redirect log to the actual log file now we can
202 # It's quite understandable that the log file will be installed in the install
203 # directory, so we must first ensure it exists and is writeable (above) before
206 case "${CT_LOG_TO_FILE}" in
207 y) CT_LOG_FILE="${CT_PREFIX_DIR}/build.log"
208 cat "${tmp_log_file}" >>"${CT_LOG_FILE}"
209 rm -f "${tmp_log_file}"
210 exec >>"${CT_LOG_FILE}"
212 *) rm -f "${tmp_log_file}"
216 # Setting up the rest of the environment only is not restarting
217 if [ -z "${CT_RESTART}" ]; then
218 # Determine build system if not set by the user
219 CT_Test "You did not specify the build system. That's OK, I can guess..." -z "${CT_BUILD}"
220 CT_BUILD="${CT_BUILD:-`CT_DoConfigGuess`}"
221 CT_BUILD=`CT_DoConfigSub "${CT_BUILD}"`
223 # Arrange paths depending on wether we use sys-root or not.
224 if [ "${CT_USE_SYSROOT}" = "y" ]; then
225 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}/sys-root"
226 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/usr/include"
227 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
228 CC_CORE_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
229 CC_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
231 # glibc's prefix must be exactly /usr, else --with-sysroot'd gcc will get
232 # confused when $sysroot/usr/include is not present.
233 # Note: --prefix=/usr is magic!
234 # See http://www.gnu.org/software/libc/FAQ.html#s-2.2
236 # plain old way. All libraries in prefix/target/lib
237 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}"
238 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/include"
239 # hack! Always use --with-sysroot for binutils.
240 # binutils 2.14 and later obey it, older binutils ignore it.
241 # Lets you build a working 32->64 bit cross gcc
242 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
243 # Use --with-headers, else final gcc will define disable_glibc while
244 # building libgcc, and you'll have no profiling
245 CC_CORE_SYSROOT_ARG="--without-headers"
246 CC_SYSROOT_ARG="--with-headers=${CT_HEADERS_DIR}"
247 LIBC_SYSROOT_ARG="prefix="
250 # Prepare the 'lib' directories in sysroot, else the ../lib64 hack used by
251 # 32 -> 64 bit crosscompilers won't work, and build of final gcc will fail with
252 # "ld: cannot open crti.o: No such file or directory"
253 mkdir -p "${CT_SYSROOT_DIR}/lib"
254 mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
256 # Canadian-cross are really picky on the way they are built. Tweak the values.
257 CT_UNIQ_BUILD=`echo "${CT_BUILD}" |sed -r -e 's/-/-build_/'`
258 if [ "${CT_CANADIAN}" = "y" ]; then
259 # Arrange so that gcc never, ever think that build system == host system
260 CT_CANADIAN_OPT="--build=${CT_UNIQ_BUILD}"
261 # We shall have a compiler for this target!
264 CT_HOST="${CT_BUILD}"
265 CT_CANADIAN_OPT="--build=${CT_BUILD}"
266 # Add the target toolchain in the path so that we can build the C library
267 # Carefully add paths in the order we want them:
268 # - first try in ${CT_PREFIX_DIR}/bin
269 # - then try in ${CT_CC_CORE_SHARED_PREFIX_DIR}/bin
270 # - then try in ${CT_CC_CORE_STATIC_PREFIX_DIR}/bin
271 # - fall back to searching user's PATH
272 export PATH="${CT_PREFIX_DIR}/bin:${CT_CC_CORE_SHARED_PREFIX_DIR}/bin:${CT_CC_CORE_STATIC_PREFIX_DIR}/bin:${PATH}"
275 # Modify GCC_HOST to never be equal to $BUILD or $TARGET
276 # This strange operation causes gcc to always generate a cross-compiler
277 # even if the build machine is the same kind as the host.
278 # This is why CC has to be set when doing a canadian cross; you can't find a
279 # host compiler by appending -gcc to our whacky $GCC_HOST
280 # Kludge: it is reported that the above causes canadian crosses with cygwin
281 # hosts to fail, so avoid it just in that one case. It would be cleaner to
282 # just move this into the non-canadian case above, but I'm afraid that might
283 # cause some configure script somewhere to decide that since build==host, they
284 # could run host binaries.
285 # (Copied almost as-is from original crosstool):
286 case "${CT_KERNEL},${CT_CANADIAN}" in
288 *,y) CT_HOST="`echo \"${CT_HOST}\" |sed -r -e 's/-/-host_/;'`";;
291 # Ah! Recent versions of binutils need some of the build and/or host system
292 # (read CT_BUILD and CT_HOST) tools to be accessible (ar is but an example).
294 CT_DoLog DEBUG "Making build system tools available"
295 mkdir -p "${CT_PREFIX_DIR}/bin"
296 for tool in ar as dlltool gcc g++ gnatbind gnatmake ld nm ranlib strip windres objcopy objdump; do
297 tmp=`CT_Which ${tool}`
298 if [ -n "${tmp}" ]; then
299 ln -sfv "${tmp}" "${CT_PREFIX_DIR}/bin/${CT_BUILD}-${tool}"
300 ln -sfv "${tmp}" "${CT_PREFIX_DIR}/bin/${CT_UNIQ_BUILD}-${tool}"
301 ln -sfv "${tmp}" "${CT_PREFIX_DIR}/bin/${CT_HOST}-${tool}"
305 # Ha. cygwin host have an .exe suffix (extension) for executables.
306 [ "${CT_KERNEL}" = "cygwin" ] && EXEEXT=".exe" || EXEEXT=""
308 # Transform the ARCH into a kernel-understandable ARCH
310 x86) CT_KERNEL_ARCH=i386;;
311 ppc) CT_KERNEL_ARCH=powerpc;;
312 *) CT_KERNEL_ARCH="${CT_ARCH}";;
315 # Build up the TARGET_CFLAGS from user-provided options
316 # Override with user-specified CFLAGS
317 [ -n "${CT_ARCH_CPU}" ] && CT_TARGET_CFLAGS="-mcpu=${CT_ARCH_CPU} ${CT_TARGET_CFLAGS}"
318 [ -n "${CT_ARCH_TUNE}" ] && CT_TARGET_CFLAGS="-mtune=${CT_ARCH_TUNE} ${CT_TARGET_CFLAGS}"
319 [ -n "${CT_ARCH_ARCH}" ] && CT_TARGET_CFLAGS="-march=${CT_ARCH_ARCH} ${CT_TARGET_CFLAGS}"
320 [ -n "${CT_ARCH_FPU}" ] && CT_TARGET_CFLAGS="-mfpu=${CT_ARCH_FPU} ${CT_TARGET_CFLAGS}"
324 [ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST="${CT_CFLAGS_FOR_HOST} -pipe"
326 # And help make go faster
328 [ ${CT_PARALLEL_JOBS} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -j${CT_PARALLEL_JOBS}"
329 [ ${CT_LOAD} -ne 0 ] && PARALLELMFLAGS="${PARALLELMFLAGS} -l${CT_LOAD}"
331 CT_DoStep EXTRA "Dumping internal crosstool-NG configuration"
332 CT_DoLog EXTRA "Building a toolchain for:"
333 CT_DoLog EXTRA " build = ${CT_BUILD}"
334 CT_DoLog EXTRA " host = ${CT_HOST}"
335 CT_DoLog EXTRA " target = ${CT_TARGET}"
336 set |egrep '^CT_.+=' |sort |CT_DoLog DEBUG
340 # Include sub-scripts instead of calling them: that way, we do not have to
341 # export any variable, nor re-parse the configuration and functions files.
342 . "${CT_LIB_DIR}/scripts/build/kernel_${CT_KERNEL}.sh"
343 . "${CT_LIB_DIR}/scripts/build/binutils.sh"
344 . "${CT_LIB_DIR}/scripts/build/libfloat.sh"
345 . "${CT_LIB_DIR}/scripts/build/libc_${CT_LIBC}.sh"
346 . "${CT_LIB_DIR}/scripts/build/cc_core_${CT_CC_CORE}.sh"
347 . "${CT_LIB_DIR}/scripts/build/cc_${CT_CC}.sh"
348 . "${CT_LIB_DIR}/scripts/build/debug.sh"
349 . "${CT_LIB_DIR}/scripts/build/tools.sh"
351 if [ -z "${CT_RESTART}" ]; then
352 CT_DoStep INFO "Retrieving needed toolchain components' tarballs"
363 if [ "${CT_ONLY_DOWNLOAD}" != "y" ]; then
364 if [ "${CT_FORCE_EXTRACT}" = "y" ]; then
365 mv "${CT_SRC_DIR}" "${CT_SRC_DIR}.$$"
366 nohup rm -rf "${CT_SRC_DIR}.$$" >/dev/null 2>&1
368 CT_DoStep INFO "Extracting and patching toolchain components"
381 # Now for the job by itself. Go have a coffee!
382 if [ "${CT_ONLY_DOWNLOAD}" != "y" -a "${CT_ONLY_EXTRACT}" != "y" ]; then
383 # Because of CT_RESTART, this becomes quite complex
386 [ -n "${CT_RESTART}" ] && do_it=0 || do_it=1
387 for step in libc_check_config \
388 kernel_check_config \
402 if [ ${do_it} -eq 0 ]; then
403 if [ "${CT_RESTART}" = "${step}" ]; then
404 CT_DoLoadState "${step}"
409 CT_DoSaveState ${step}
410 if [ ${do_stop} -eq 1 ]; then
411 CT_DoLog ERROR "Stopping just after step \"${prev_step}\", as requested."
415 if [ ${do_it} -eq 1 ]; then
417 if [ "${CT_STOP}" = "${step}" ]; then
420 if [ "${CTDEBUG_CT_PAUSE_STEPS}" = "y" ]; then
421 CT_DoPause "Step \"${step}\" finished"
427 CT_DoLog DEBUG "Removing access to the build system tools"
428 find "${CT_PREFIX_DIR}/bin" -name "${CT_BUILD}-"'*' -exec rm -fv {} \+ |CT_DoLog DEBUG
429 find "${CT_PREFIX_DIR}/bin" -name "${CT_UNIQ_BUILD}-"'*' -exec rm -fv {} \+ |CT_DoLog DEBUG
430 find "${CT_PREFIX_DIR}/bin" -name "${CT_HOST}-"'*' -exec rm -fv {} \+ |CT_DoLog DEBUG
432 # Install the /populator/
433 CT_DoLog EXTRA "Installing the populate helper"
434 sed -r -e 's,@@CT_READELF@@,'"${CT_PREFIX_DIR}/bin/${CT_TARGET}-readelf"',g;' \
435 -e 's,@@CT_SYSROOT_DIR@@,'"${CT_SYSROOT_DIR}"',g;' \
436 "${CT_LIB_DIR}/tools/populate.in" >"${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
437 chmod 755 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-populate"
439 # Create the aliases to the target tools
440 if [ -n "${CT_TARGET_ALIAS}" ]; then
441 CT_DoLog EXTRA "Creating symlinks from \"${CT_TARGET}-*\" to \"${CT_TARGET_ALIAS}-*\""
442 CT_Pushd "${CT_PREFIX_DIR}/bin"
443 for t in "${CT_TARGET}-"*; do
444 _t="`echo \"$t\" |sed -r -e 's/^'\"${CT_TARGET}\"'-/'\"${CT_TARGET_ALIAS}\"'-/;'`"
445 CT_DoLog DEBUG "Linking \"${_t}\" -> \"${t}\""
446 ln -sv "${t}" "${_t}" 2>&1 |CT_DoLog DEBUG
451 # Remove the generated documentation files
452 if [ "${CT_REMOVE_DOCS}" = "y" ]; then
453 CT_DoLog INFO "Removing installed documentation"
454 rm -rf "${CT_PREFIX_DIR}/"{,usr/}{man,info}
455 rm -rf "${CT_SYSROOT_DIR}/"{,usr/}{man,info}
456 rm -rf "${CT_DEBUG_INSTALL_DIR}/"{,usr/}{man,info}
462 if [ "${CT_LOG_FILE_COMPRESS}" = y ]; then
463 CT_DoLog EXTRA "Compressing log file"
465 bzip2 -9 "${CT_LOG_FILE}"
468 if [ "${CT_INSTALL_DIR_RO}" = "y" ]; then
469 # OK, now we're done, set the toolchain read-only
470 # Don't log, the log file may become read-only any moment...
471 chmod -R a-w "${CT_INSTALL_DIR}" >/dev/null 2>&1