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 . "${CT_LIB_DIR}/scripts/functions"
23 # Parse the configuration file
24 # It has some info about the logging facility, so include it early
26 # Yes! We can do full logging from now on!
28 # If we want an interactive debug-shell, we must ensure these FDs
29 # are indeed connected to a terminal (and not redirected in any way).
30 if [ "${CT_DEBUG_INTERACTIVE}" = "y" -a ! \( -t 0 -a -t 6 -a -t 2 \) ]; then
31 CT_DoLog ERROR "Can't spawn interactive debug-shell,"
32 CT_DoLog ERROR "because stdout/stderr has been redirected."
36 # Override the locale early, in case we ever translate crosstool-NG messages
37 if [ -z "${CT_NO_OVERIDE_LC_MESSAGES}" ]; then
42 # remove . from PATH since it can cause gcc build failures
45 # Some sanity checks in the environment and needed tools
46 CT_DoLog INFO "Performing some trivial sanity checks"
47 CT_TestAndAbort "Don't set LD_LIBRARY_PATH. It screws up the build." -n "${LD_LIBRARY_PATH}"
48 CT_TestAndAbort "Don't set LIBRARY_PATH. It screws up the build." -n "${LIBRARY_PATH}"
49 CT_TestAndAbort "Don't set LPATH. It screws up the build." -n "${LPATH}"
50 CT_TestAndAbort "Don't set CFLAGS. It screws up the build." -n "${CFLAGS}"
51 CT_TestAndAbort "Don't set CXXFLAGS. It screws up the build." -n "${CXXFLAGS}"
52 CT_Test "GREP_OPTIONS screws up the build. Resetting." -n "${GREP_OPTIONS}"
54 # Workaround against openSUSE 12.1 that breaks ./configure for cross-compilation:
57 # Some sanity checks on paths content
64 eval dir="\${CT_${d}_DIR}"
67 CT_Abort "'CT_${d}_DIR'='${dir}' contains a space in it.\nDon't use spaces in paths, it breaks things."
70 CT_Abort "'CT_${d}_DIR'='${dir}' contains a colon in it.\nDon't use colons in paths, it breaks things."
76 CT_WORK_DIR="${CT_WORK_DIR:-${CT_TOP_DIR}/.build}"
77 CT_DoExecLog ALL mkdir -p "${CT_WORK_DIR}"
78 CT_DoExecLog DEBUG rm -f "${CT_WORK_DIR}/backtrace"
80 # Check build file system case-sensitiveness
81 CT_DoExecLog DEBUG touch "${CT_WORK_DIR}/foo"
82 CT_TestAndAbort "Your file system in '${CT_WORK_DIR}' is *not* case-sensitive!" -f "${CT_WORK_DIR}/FOO"
83 CT_DoExecLog DEBUG rm -f "${CT_WORK_DIR}/foo"
85 # Check the user is using an existing SHELL to be used by ./configure and Makefiles
86 CT_TestOrAbort "The CONFIG_SHELL '${CT_CONFIG_SHELL}' is not valid" -f "${CT_CONFIG_SHELL}" -a -x "${CT_CONFIG_SHELL}"
88 # Create the bin-override early
89 # Contains symlinks to the tools found by ./configure
90 # Note: CT_DoLog and CT_DoExecLog do not use any of those tool, so
91 # they can be safely used
92 CT_TOOLS_OVERIDE_DIR="${CT_WORK_DIR}/tools"
93 CT_DoLog DEBUG "Creating bin-override for tools in '${CT_TOOLS_OVERIDE_DIR}'"
94 CT_DoExecLog DEBUG mkdir -p "${CT_TOOLS_OVERIDE_DIR}/bin"
95 cat "${CT_LIB_DIR}/paths.sh" |while read trash line; do
98 CT_DoLog DEBUG "Creating script-override for '${tool}' -> '${path}'"
99 # Note: we need to supress the " in the path because
100 # there can be arguments in there (thanks autostuff...)
101 printf "#${BANG}${CT_CONFIG_SHELL}\nexec ${path//\"/} \"\${@}\"\n" >"${CT_TOOLS_OVERIDE_DIR}/bin/${tool}"
102 CT_DoExecLog ALL chmod 700 "${CT_TOOLS_OVERIDE_DIR}/bin/${tool}"
104 export PATH="${CT_TOOLS_OVERIDE_DIR}/bin:${PATH}"
106 # Start date. Can't be done until we know the locale
107 # Also requires the bin-override tools
108 CT_STAR_DATE=$(CT_DoDate +%s%N)
109 CT_STAR_DATE_HUMAN=$(CT_DoDate +%Y%m%d.%H%M%S)
111 # Log real begining of build, now
112 CT_DoLog INFO "Build started ${CT_STAR_DATE_HUMAN}"
114 # We really need to extract from ,config and not .config.2, as we
115 # do want the kconfig's values, not our mangled config with arrays.
116 CT_DoStep DEBUG "Dumping user-supplied crosstool-NG configuration"
117 CT_DoExecLog DEBUG grep -E '^(# |)CT_' .config
120 CT_DoLog DEBUG "Unsetting and unexporting MAKEFLAGS"
124 CT_DoLog INFO "Building environment variables"
126 # Include sub-scripts instead of calling them: that way, we do not have to
127 # export any variable, nor re-parse the configuration and functions files.
128 . "${CT_LIB_DIR}/scripts/build/internals.sh"
129 . "${CT_LIB_DIR}/scripts/build/arch/${CT_ARCH}.sh"
130 . "${CT_LIB_DIR}/scripts/build/companion_tools.sh"
131 . "${CT_LIB_DIR}/scripts/build/kernel/${CT_KERNEL}.sh"
132 . "${CT_LIB_DIR}/scripts/build/companion_libs.sh"
133 . "${CT_LIB_DIR}/scripts/build/binutils/${CT_BINUTILS}.sh"
134 . "${CT_LIB_DIR}/scripts/build/libc/${CT_LIBC}.sh"
135 . "${CT_LIB_DIR}/scripts/build/cc/${CT_CC}.sh"
136 . "${CT_LIB_DIR}/scripts/build/debug.sh"
137 . "${CT_LIB_DIR}/scripts/build/test_suite.sh"
139 # Target tuple: CT_TARGET needs a little love:
140 CT_DoBuildTargetTuple
142 # Kludge: If any of the configured options needs CT_TARGET,
143 # then rescan the options file now:
146 # Sanity check some directories
147 CT_TestAndAbort "'CT_PREFIX_DIR' is not set: where should I install?" -z "${CT_PREFIX_DIR}"
149 # Second kludge: merge user-supplied target CFLAGS with architecture-provided
150 # target CFLAGS. Do the same for LDFLAGS in case it happens in the future.
151 # Put user-supplied flags at the end, so that they take precedence.
152 CT_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_TARGET_CFLAGS}"
153 CT_TARGET_LDFLAGS="${CT_ARCH_TARGET_LDFLAGS} ${CT_TARGET_LDFLAGS}"
154 CT_CC_CORE_EXTRA_CONFIG_ARRAY=( ${CT_ARCH_CC_CORE_EXTRA_CONFIG} "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}" )
155 CT_CC_EXTRA_CONFIG_ARRAY=( ${CT_ARCH_CC_EXTRA_CONFIG} "${CT_CC_EXTRA_CONFIG_ARRAY[@]}" )
157 # Compute the package version string
158 CT_PKGVERSION="crosstool-NG ${CT_VERSION}${CT_TOOLCHAIN_PKGVERSION:+ - ${CT_TOOLCHAIN_PKGVERSION}}"
160 # Compute the working directories names
161 CT_TARBALLS_DIR="${CT_WORK_DIR}/tarballs"
162 CT_SRC_DIR="${CT_WORK_DIR}/src"
163 CT_BUILD_DIR="${CT_WORK_DIR}/${CT_TARGET}/build"
164 CT_BUILDTOOLS_PREFIX_DIR="${CT_WORK_DIR}/${CT_TARGET}/buildtools"
165 CT_STATE_DIR="${CT_WORK_DIR}/${CT_TARGET}/state"
166 CT_CONFIG_DIR="${CT_BUILD_DIR}/configs"
167 # Note about HOST_COMPLIBS_DIR: it's always gonna be in the buildtools dir, or a
168 # sub-dir. So we won't have to save/restore it, not even create it.
169 # In case of cross or native, host-complibs are used for build-complibs;
170 # in case of canadian or cross-native, host-complibs are specific
171 case "${CT_TOOLCHAIN_TYPE}" in
173 CT_HOST_COMPLIBS_DIR="${CT_BUILDTOOLS_PREFIX_DIR}"
175 canadian|cross-native)
176 CT_HOST_COMPLIBS_DIR="${CT_BUILDTOOLS_PREFIX_DIR}/complibs-host"
180 # Compute test suite install directory
181 CT_TEST_SUITE_DIR=${CT_INSTALL_DIR}/test-suite
183 # We must ensure that we can restart if asked for!
184 if [ -n "${CT_RESTART}" -a ! -d "${CT_STATE_DIR}" ]; then
185 CT_DoLog ERROR "You asked to restart a non-restartable build"
186 CT_DoLog ERROR "This happened because you didn't set CT_DEBUG_CT_SAVE_STEPS"
187 CT_DoLog ERROR "in the config options for the previous build, or the state"
188 CT_DoLog ERROR "directory for the previous build was deleted."
189 CT_Abort "I will stop here to avoid any carnage"
192 # If the local tarball directory does not exist, say so, and don't try to save there!
193 if [ "${CT_SAVE_TARBALLS}" = "y" \
194 -a ! -d "${CT_LOCAL_TARBALLS_DIR}" ]; then
195 CT_DoLog WARN "Directory '${CT_LOCAL_TARBALLS_DIR}' does not exist."
196 CT_DoLog WARN "Will not save downloaded tarballs to local storage."
200 # Check now if we can write to the destination directory:
201 if [ -d "${CT_INSTALL_DIR}" ]; then
202 CT_TestAndAbort "Destination directory '${CT_INSTALL_DIR}' is not removable" ! -w $(dirname "${CT_INSTALL_DIR}")
205 # Good, now grab a bit of informations on the system we're being run on,
206 # just in case something goes awok, and it's not our fault:
207 CT_SYS_USER=$(id -un)
208 CT_SYS_HOSTNAME=$(hostname -f 2>/dev/null || true)
209 # Hmmm. Some non-DHCP-enabled machines do not have an FQDN... Fall back to node name.
210 CT_SYS_HOSTNAME="${CT_SYS_HOSTNAME:-$(uname -n)}"
211 CT_SYS_KERNEL=$(uname -s)
212 CT_SYS_REVISION=$(uname -r)
213 CT_SYS_OS=$(uname -s)
214 CT_SYS_MACHINE=$(uname -m)
215 CT_SYS_PROCESSOR=$(uname -p)
216 CT_SYS_GCC=$(gcc -dumpversion)
217 CT_SYS_TARGET=$(CT_DoConfigGuess)
218 CT_TOOLCHAIN_ID="crosstool-${CT_VERSION} build ${CT_STAR_DATE_HUMAN} by ${CT_SYS_USER}@${CT_SYS_HOSTNAME}"
220 CT_DoLog EXTRA "Preparing working directories"
222 # Ah! The build directory shall be eradicated, even if we restart!
223 # Ditto for the build tools install dir
224 CT_DoForceRmdir "${CT_BUILD_DIR}" "${CT_BUILDTOOLS_PREFIX_DIR}"
226 # Don't eradicate directories if we need to restart
227 if [ -z "${CT_RESTART}" ]; then
228 # Get rid of pre-existing installed toolchain and previous build directories.
229 if [ "${CT_FORCE_DOWNLOAD}" = "y" -a -d "${CT_TARBALLS_DIR}" ]; then
230 CT_DoForceRmdir "${CT_TARBALLS_DIR}"
232 if [ "${CT_FORCE_EXTRACT}" = "y" -a -d "${CT_SRC_DIR}" ]; then
233 CT_DoForceRmdir "${CT_SRC_DIR}"
235 if [ -d "${CT_INSTALL_DIR}" -a "${CT_RM_RF_PREFIX_DIR}" = "y" ]; then
236 CT_DoForceRmdir "${CT_INSTALL_DIR}"
238 # In case we start anew, get rid of the previously saved state directory
239 if [ -d "${CT_STATE_DIR}" ]; then
240 CT_DoForceRmdir "${CT_STATE_DIR}"
244 # Create the directories we'll use, even if restarting: it does no harm to
245 # create already existent directories, and CT_BUILD_DIR needs to be created
247 CT_DoExecLog ALL mkdir -p "${CT_TARBALLS_DIR}"
248 CT_DoExecLog ALL mkdir -p "${CT_SRC_DIR}"
249 CT_DoExecLog ALL mkdir -p "${CT_BUILD_DIR}"
250 CT_DoExecLog ALL mkdir -p "${CT_BUILDTOOLS_PREFIX_DIR}/bin"
251 CT_DoExecLog ALL mkdir -p "${CT_CONFIG_DIR}"
252 CT_DoExecLog ALL mkdir -p "${CT_INSTALL_DIR}"
253 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}"
254 CT_DoExecLog ALL mkdir -p "${CT_HOST_COMPLIBS_DIR}"
256 # Only create the state dir if asked for a restartable build
257 [ -n "${CT_DEBUG_CT_SAVE_STEPS}" ] && CT_DoExecLog ALL mkdir -p "${CT_STATE_DIR}"
259 # Check install file system case-sensitiveness
260 CT_DoExecLog DEBUG touch "${CT_PREFIX_DIR}/foo"
261 CT_TestAndAbort "Your file system in '${CT_PREFIX_DIR}' is *not* case-sensitive!" -f "${CT_PREFIX_DIR}/FOO"
262 CT_DoExecLog DEBUG rm -f "${CT_PREFIX_DIR}/foo"
264 # Kludge: CT_INSTALL_DIR and CT_PREFIX_DIR might have grown read-only if
265 # the previous build was successful.
266 CT_DoExecLog ALL chmod -R u+w "${CT_INSTALL_DIR}" "${CT_PREFIX_DIR}"
268 # Setting up the rest of the environment only if not restarting
269 if [ -z "${CT_RESTART}" ]; then
270 case "${CT_SYSROOT_NAME}" in
271 "") CT_SYSROOT_NAME="sysroot";;
272 .) CT_Abort "Sysroot name is set to '.' which is forbidden";;
273 *' '*) CT_Abort "Sysroot name contains forbidden space(s): '${CT_SYSROOT_NAME}'";;
274 */*) CT_Abort "Sysroot name contains forbidden slash(es): '${CT_SYSROOT_NAME}'";;
277 # Arrange paths depending on wether we use sysroot or not.
278 if [ "${CT_USE_SYSROOT}" = "y" ]; then
279 CT_SYSROOT_REL_DIR="${CT_SYSROOT_DIR_PREFIX:+${CT_SYSROOT_DIR_PREFIX}/}${CT_SYSROOT_NAME}"
280 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}/${CT_SYSROOT_REL_DIR}"
281 CT_DEBUGROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}/${CT_SYSROOT_DIR_PREFIX}/debug-root"
282 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/usr/include"
283 CT_SanitiseVarDir CT_SYSROOT_REL_DIR CT_SYSROOT_DIR CT_DEBUGROOT_DIR CT_HEADERS_DIR
284 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
285 CC_CORE_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
286 CC_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
288 # glibc's prefix must be exactly /usr, else --with-sysroot'd gcc will get
289 # confused when $sysroot/usr/include is not present.
290 # Note: --prefix=/usr is magic!
291 # See http://www.gnu.org/software/libc/FAQ.html#s-2.2
293 # plain old way. All libraries in prefix/target/lib
294 CT_SYSROOT_DIR="${CT_PREFIX_DIR}/${CT_TARGET}"
295 CT_DEBUGROOT_DIR="${CT_SYSROOT_DIR}"
296 CT_HEADERS_DIR="${CT_SYSROOT_DIR}/include"
297 CT_SanitiseVarDir CT_SYSROOT_DIR CT_DEBUGROOT_DIR CT_HEADERS_DIR
298 # hack! Always use --with-sysroot for binutils.
299 # binutils 2.14 and later obey it, older binutils ignore it.
300 # Lets you build a working 32->64 bit cross gcc
301 BINUTILS_SYSROOT_ARG="--with-sysroot=${CT_SYSROOT_DIR}"
302 # Use --with-headers, else final gcc will define disable_glibc while
303 # building libgcc, and you'll have no profiling
304 CC_CORE_SYSROOT_ARG="--without-headers"
305 CC_SYSROOT_ARG="--with-headers=${CT_HEADERS_DIR}"
306 LIBC_SYSROOT_ARG="prefix="
308 CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}"
309 CT_DoExecLog ALL mkdir -p "${CT_DEBUGROOT_DIR}"
311 # Prepare the 'lib' directories in sysroot, else the ../lib64 hack used by
312 # 32 -> 64 bit crosscompilers won't work, and build of final gcc will fail
313 # with: "ld: cannot open crti.o: No such file or directory"
314 # Also prepare the lib directory in the install dir, else some 64 bit archs
316 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/lib"
317 CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}/lib"
318 CT_DoExecLog ALL mkdir -p "${CT_SYSROOT_DIR}/usr/lib"
319 CT_DoExecLog ALL mkdir -p "${CT_HEADERS_DIR}"
321 if [ "${CT_USE_SYSROOT}" = "y" ]; then
322 # Prevent gcc from installing its libraries outside of the sysroot
323 CT_Pushd "${CT_PREFIX_DIR}/${CT_TARGET}"
324 CT_DoExecLog ALL ln -sf "${CT_SYSROOT_REL_DIR}/lib" "lib"
328 # Since we're *not* multilib on the target side, we want all the
329 # libraries to end up in "lib". We create "lib64" (for 64-bit
330 # build or host architectures) and "lib32" (for 32-bit emulation
331 # on 64-bit) as symlinks to "lib".
333 # Not all of these symlinks are necessary, but better safe than
334 # sorry. They are summarily removed by build/internals.sh:do_finish.
337 "${CT_SYSROOT_DIR}" \
338 "${CT_SYSROOT_DIR}/usr" \
339 "${CT_PREFIX_DIR}/${CT_TARGET}" \
341 CT_DoExecLog ALL ln -sf "lib" "${d}/lib32"
342 CT_DoExecLog ALL ln -sf "lib" "${d}/lib64"
345 # Determine build system if not set by the user
346 if [ -z "${CT_BUILD}" ]; then
347 CT_BUILD=$(CT_DoConfigGuess)
350 # Prepare mangling patterns to later modify BUILD and HOST (see below)
351 case "${CT_TOOLCHAIN_TYPE}" in
353 # A cross-compiler runs on the same machine it is built on
354 CT_HOST="${CT_BUILD}"
355 build_mangle="build_"
358 install_build_tools_for="BUILD HOST"
361 build_mangle="build_"
364 install_build_tools_for="BUILD HOST"
366 *) CT_Abort "No code for '${CT_TOOLCHAIN_TYPE}' toolchain type!"
370 # Save the real tuples to generate shell-wrappers to the real tools
371 CT_REAL_BUILD="${CT_BUILD}"
372 CT_REAL_HOST="${CT_HOST}"
373 CT_REAL_TARGET="${CT_TARGET}"
375 # Canonicalise CT_BUILD and CT_HOST
376 # Not only will it give us full-qualified tuples, but it will also ensure
377 # that they are valid tuples (in case of typo with user-provided tuples)
378 # That's way better than trying to rewrite config.sub ourselves...
379 # CT_TARGET is already made canonical in CT_DoBuildTargetTuple
380 CT_BUILD=$(CT_DoConfigSub "${CT_BUILD}")
381 CT_HOST=$(CT_DoConfigSub "${CT_HOST}")
383 # Modify BUILD and HOST so that gcc always generate a cross-compiler
384 # even if any of the build, host or target machines are the same.
385 # NOTE: we'll have to mangle the (BUILD|HOST)->TARGET x-compiler to
386 # support canadain build, later...
387 CT_BUILD="${CT_BUILD/-/-${build_mangle}}"
388 CT_HOST="${CT_HOST/-/-${host_mangle}}"
389 CT_TARGET="${CT_TARGET/-/-${target_mangle}}"
391 # Now we have mangled our BUILD and HOST tuples, we must fake the new
392 # cross-tools for those mangled tuples.
393 CT_DoLog DEBUG "Making build system tools available"
394 for m in ${install_build_tools_for}; do
399 if [ -n "${!p}" ]; then
405 for tool in ar as dlltool gcc g++ gcj gnatbind gnatmake ld nm objcopy objdump ranlib strip windres; do
406 # First try with prefix + suffix
407 # Then try with prefix only
408 # Then try with suffix only, but only for BUILD, and HOST iff REAL_BUILD == REAL_HOST
409 # Finally try with neither prefix nor suffix, but only for BUILD, and HOST iff REAL_BUILD == REAL_HOST
410 # This is needed, because some tools have a prefix and
411 # a suffix (eg. gcc), while others may have only one,
412 # or even none (eg. binutils)
413 where=$(CT_Which "${t}${tool}${!s}")
414 [ -z "${where}" ] && where=$(CT_Which "${t}${tool}")
416 -a \( "${m}" = "BUILD" \
417 -o "${CT_REAL_BUILD}" = "${!r}" \) ]; then
418 where=$(CT_Which "${tool}${!s}")
421 -a \( "${m}" = "BUILD" \
422 -o "${CT_REAL_BUILD}" = "${!r}" \) ]; then
423 where=$(CT_Which "${tool}")
426 # Not all tools are available for all platforms, but some are required.
427 if [ -n "${where}" ]; then
428 CT_DoLog DEBUG " '${!v}-${tool}' -> '${where}'"
429 printf "#${BANG}${CT_CONFIG_SHELL}\nexec '${where}' \"\${@}\"\n" >"${CT_BUILDTOOLS_PREFIX_DIR}/bin/${!v}-${tool}"
430 CT_DoExecLog ALL chmod 700 "${CT_BUILDTOOLS_PREFIX_DIR}/bin/${!v}-${tool}"
433 # We'll at least need some of them...
434 ar|as|gcc|ld|nm|objcopy|objdump|ranlib)
435 CT_Abort "Missing: '${t}${tool}${!s}' or '${t}${tool}' or '${tool}' : either needed!"
437 # Some are conditionnally required
438 # Add them in alphabetical (C locale) ordering
440 # g++ (needed for companion lib), only needed for HOST
441 CT_TestAndAbort "Missing: '${t}${tool}${!s}' or '${t}${tool}' or '${tool}' : either needed!" "${m}" = "HOST"
444 CT_TestAndAbort "Missing: '${t}${tool}${!s}' or '${t}${tool}' or '${tool}' : either needed!" "${CT_CC_LANG_JAVA}" = "y"
447 CT_TestAndAbort "Missing: '${t}${tool}${!s}' or '${t}${tool}' or '${tool}' : either needed!" "${CT_STRIP_ALL_TOOLCHAIN_EXECUTABLES}" = "y"
449 # If any other is missing, only warn at low level
451 # It does not deserve a WARN level.
452 CT_DoLog DEBUG " Missing: '${t}${tool}${!s}' or '${t}${tool}' or '${tool}' : not required."
459 # Some makeinfo versions are a pain in [put your most sensible body part here].
460 # Go ahead with those, by creating a wrapper that keeps partial files, and that
462 CT_DoLog DEBUG " 'makeinfo' -> '$(CT_Which makeinfo)'"
463 printf "#${BANG}${CT_CONFIG_SHELL}\n$(CT_Which makeinfo) --force \"\${@}\"\ntrue\n" >"${CT_BUILDTOOLS_PREFIX_DIR}/bin/makeinfo"
464 CT_DoExecLog ALL chmod 700 "${CT_BUILDTOOLS_PREFIX_DIR}/bin/makeinfo"
466 # Carefully add paths in the order we want them:
467 # - first try in ${CT_PREFIX_DIR}/bin
468 # - then try the buildtools dir
469 # - fall back to searching user's PATH
470 # Of course, neither cross-native nor canadian can run on BUILD,
471 # so don't add those PATHs in this case...
472 case "${CT_TOOLCHAIN_TYPE}" in
473 cross) export PATH="${CT_PREFIX_DIR}/bin:${CT_BUILDTOOLS_PREFIX_DIR}/bin:${PATH}";;
474 canadian) export PATH="${CT_BUILDTOOLS_PREFIX_DIR}/bin:${PATH}";;
479 # Explicitly optimise, else the lines below will overide the
480 # package's default optimisation flags
481 CT_CFLAGS_FOR_BUILD="-O2 -g"
482 CT_CFLAGS_FOR_BUILD+=" ${CT_EXTRA_CFLAGS_FOR_BUILD}"
483 CT_LDFLAGS_FOR_BUILD=
484 CT_LDFLAGS_FOR_BUILD+=" ${CT_EXTRA_LDFLAGS_FOR_BUILD}"
487 # Explicitly optimise, else the lines below will overide the
488 # package's default optimisation flags
489 CT_CFLAGS_FOR_HOST="-O2 -g"
490 [ "${CT_USE_PIPES}" = "y" ] && CT_CFLAGS_FOR_HOST+=" -pipe"
491 CT_CFLAGS_FOR_HOST+=" ${CT_EXTRA_CFLAGS_FOR_HOST}"
493 CT_LDFLAGS_FOR_HOST+=" ${CT_EXTRA_LDFLAGS_FOR_HOST}"
494 CT_DoLog DEBUG "CFLAGS for host compiler: '${CT_CFLAGS_FOR_HOST}'"
495 CT_DoLog DEBUG "LDFLAGS for host compiler: '${CT_LDFLAGS_FOR_HOST}'"
497 # Set the shell to be used by ./configure scripts and by Makefiles (those
499 export CONFIG_SHELL="${CT_CONFIG_SHELL}" # for ./configure
500 export SHELL="${CT_CONFIG_SHELL}" # for Makefiles
502 # And help make go faster
504 # Override the configured jobs with what's been given on the command line
505 [ -n "${CT_JOBS}" ] && CT_PARALLEL_JOBS="${CT_JOBS}"
506 # Use the number of processors+1 when automatically setting the number of
507 # parallel jobs. Fall back to 1 if the host doesn't use GLIBC.
508 AUTO_JOBS=$((`getconf _NPROCESSORS_ONLN 2> /dev/null || echo 0` + 1))
509 [ ${CT_PARALLEL_JOBS} -eq 0 ] && JOBSFLAGS="${JOBSFLAGS} -j${AUTO_JOBS}"
510 [ ${CT_PARALLEL_JOBS} -gt 0 ] && JOBSFLAGS="${JOBSFLAGS} -j${CT_PARALLEL_JOBS}"
511 [ ${CT_LOAD} -ne 0 ] && JOBSFLAGS="${JOBSFLAGS} -l${CT_LOAD}"
513 # Now that we've set up $PATH and $CT_CFLAGS_FOR_HOST, sanity test that gcc
514 # is runnable so that the user can troubleshoot problems if not.
515 CT_DoStep DEBUG "Checking that we can run gcc -v"
516 CT_DoExecLog DEBUG "${CT_HOST}-gcc" -v
519 # Create a simple C program for testing.
520 testc="${CT_BUILD_DIR}/test.c"
521 printf "int main() { return 0; }\n" >"${testc}"
522 gccout="${CT_BUILD_DIR}/.gccout"
524 CT_DoStep DEBUG "Checking that gcc can compile a trivial program"
525 CT_DoExecLog DEBUG "${CT_HOST}-gcc" ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST} "${testc}" -o "${gccout}"
529 if [ "${CT_WANTS_STATIC_LINK}" = "y" ]; then
530 CT_DoStep DEBUG "Checking that gcc can compile a trivial statically linked program (CT_WANTS_STATIC_LINK)"
531 CT_DoLog DEBUG "You may need to ensure that static libraries such as libc.a are installed on your system"
532 CT_DoExecLog DEBUG "${CT_HOST}-gcc" ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST} "${testc}" -static -o "${gccout}"
537 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
538 CT_DoStep DEBUG "Checking that gcc can statically link libstdc++ (CT_CC_STATIC_LIBSTDCXX)"
539 CT_DoLog DEBUG "You may need to ensure that libstdc++.a is installed on your system"
540 CT_DoExecLog DEBUG "${CT_HOST}-gcc" ${CT_CFLAGS_FOR_HOST} ${CT_LDFLAGS_FOR_HOST} "${testc}" -static -lstdc++ -o "${gccout}"
546 # We need to save the real .config with kconfig's value,
547 # not our mangled .config.2 with arrays.
548 CT_DoLog EXTRA "Installing user-supplied crosstool-NG configuration"
549 CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/bin"
550 CT_DoExecLog DEBUG install -m 0755 "${CT_LIB_DIR}/scripts/toolchain-config.in" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ct-ng.config"
551 CT_DoExecLog DEBUG sed -i -e 's,@@grep@@,"'"${grep}"'",;' "${CT_PREFIX_DIR}/bin/${CT_TARGET}-ct-ng.config"
552 bzip2 -c -9 .config >>"${CT_PREFIX_DIR}/bin/${CT_TARGET}-ct-ng.config"
554 CT_DoStep EXTRA "Dumping internal crosstool-NG configuration"
555 CT_DoLog EXTRA "Building a toolchain for:"
556 CT_DoLog EXTRA " build = ${CT_REAL_BUILD}"
557 CT_DoLog EXTRA " host = ${CT_REAL_HOST}"
558 CT_DoLog EXTRA " target = ${CT_TARGET}"
559 set |grep -E '^CT_.+=' |sort |CT_DoLog DEBUG
560 CT_DoLog DEBUG "Other environment:"
561 printenv |grep -v -E '^CT_.+=' |CT_DoLog DEBUG
565 if [ -z "${CT_RESTART}" ]; then
566 CT_DoStep INFO "Retrieving needed toolchain components' tarballs"
567 do_companion_tools_get
569 do_companion_libs_get
577 if [ "${CT_ONLY_DOWNLOAD}" != "y" ]; then
578 if [ "${CT_FORCE_EXTRACT}" = "y" ]; then
579 CT_DoForceRmdir "${CT_SRC_DIR}"
580 CT_DoExecLog ALL mkdir -p "${CT_SRC_DIR}"
583 if [ "${CT_COMP_TOOLS}" = "y" ]; then
584 CT_DoStep INFO "Extracting, patching and installing companion tools"
585 do_companion_tools_extract
590 CT_DoStep INFO "Extracting and patching toolchain components"
592 do_companion_libs_extract
597 do_test_suite_extract
602 # Now for the job by itself. Go have a coffee!
603 if [ "${CT_ONLY_DOWNLOAD}" != "y" -a "${CT_ONLY_EXTRACT}" != "y" ]; then
604 # Because of CT_RESTART, this becomes quite complex
607 [ -n "${CT_RESTART}" ] && do_it=0 || do_it=1
608 # Aha! CT_STEPS comes from steps.mk!
609 for step in ${CT_STEPS}; do
610 if [ ${do_it} -eq 0 ]; then
611 if [ "${CT_RESTART}" = "${step}" ]; then
612 CT_DoLoadState "${step}"
617 CT_DoSaveState ${step}
618 if [ ${do_stop} -eq 1 ]; then
619 CT_DoLog ERROR "Stopping just after step '${prev_step}', as requested."
623 if [ ${do_it} -eq 1 ]; then
625 # POSIX 1003.1-2008 does not say if "set -e" should catch a
626 # sub-shell ending with !0. bash-3 does not, while bash-4 does,
627 # so the following line is for bash-3; bash-4 would choke above.
629 if [ "${CT_STOP}" = "${step}" ]; then
632 if [ "${CT_DEBUG_PAUSE_STEPS}" = "y" ]; then
633 CT_DoPause "Step '${step}' finished"
642 # From now-on, it can become impossible to log any time, because
643 # either we're compressing the log file, or it can become RO any
644 # moment... Consign all ouptut to oblivion...
645 CT_DoLog INFO "Finishing installation (may take a few seconds)..."
647 rm -f ${CT_PREFIX_DIR}/build.log.bz2
648 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
649 cp "${tmp_log_file}" "${CT_PREFIX_DIR}/build.log"
650 if [ "${CT_LOG_FILE_COMPRESS}" = y ]; then
651 bzip2 -9 "${CT_PREFIX_DIR}/build.log"
654 [ "${CT_INSTALL_DIR_RO}" = "y" ] && chmod -R a-w "${CT_INSTALL_DIR}"
655 [ "${CT_TEST_SUITE}" = "y" ] && chmod -R u+w "${CT_TEST_SUITE_DIR}"