1 # This file contains some usefull common functions
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
5 # Prepare the fault handler
8 # Bail out early in subshell, the upper level shell will act accordingly.
9 [ ${BASH_SUBSHELL} -eq 0 ] || exit $ret
10 CT_DoLog ERROR "Build failed in step '${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}'"
11 for((step=(CT_STEP_COUNT-1); step>1; step--)); do
12 CT_DoLog ERROR " called in step '${CT_STEP_MESSAGE[${step}]}'"
14 CT_DoLog ERROR "Error happened in '${BASH_SOURCE[1]}' in function '${FUNCNAME[1]}' (line unknown, sorry)"
15 for((depth=2; ${BASH_LINENO[$((${depth}-1))]}>0; depth++)); do
16 CT_DoLog ERROR " called from '${BASH_SOURCE[${depth}]}' at line # ${BASH_LINENO[${depth}-1]} in function '${FUNCNAME[${depth}]}'"
18 [ "${CT_LOG_TO_FILE}" = "y" ] && CT_DoLog ERROR "Look at '${CT_LOG_FILE}' for more info on this error."
24 # Install the fault handler
27 # Inherit the fault handler in subshells and functions
30 # Make pipes fail on the _first_ failed command
31 # Not supported on bash < 3.x, but we need it, so drop the obsoleting bash-2.x
34 # Don't hash commands' locations, and search every time it is requested.
35 # This is slow, but needed because of the static/shared core gcc which shall
36 # always match to shared if it exists, and only fallback to static if the
41 # - first of all, save stdout so we can see the live logs: fd #6
43 # - then point stdout to the log file (temporary for now)
44 tmp_log_file="${CT_TOP_DIR}/log.$$"
45 exec >>"${tmp_log_file}"
47 # The different log levels:
55 # Make it easy to use \n and !
59 # A function to log what is happening
60 # Different log level are available:
61 # - ERROR: A serious, fatal error occurred
62 # - WARN: A non fatal, non serious error occurred, take your responsbility with the generated build
63 # - INFO: Informational messages
64 # - EXTRA: Extra informational messages
65 # - DEBUG: Debug messages
66 # - ALL: Component's build messages
67 # Usage: CT_DoLog <level> [message]
68 # If message is empty, then stdin will be logged.
70 local max_level LEVEL level cur_l cur_L
72 eval max_level="\${CT_LOG_LEVEL_${CT_LOG_LEVEL_MAX}}"
73 # Set the maximum log level to DEBUG if we have none
74 [ -z "${max_level}" ] && max_level=${CT_LOG_LEVEL_DEBUG}
77 eval level="\${CT_LOG_LEVEL_${LEVEL}}"
83 fi |( IFS="${CR}" # We want the full lines, even leading spaces
89 indent=$((2*CT_STEP_COUNT))
91 case "${CT_LOG_SEE_TOOLS_WARN},${line}" in
92 y,*"warning:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
93 y,*"WARNING:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
94 *"error:"*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
95 *"make["*"]: *** ["*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
96 *) cur_L="${LEVEL}"; cur_l="${level}";;
98 # There will always be a log file (stdout, fd #1), be it /dev/null
99 printf "[%-5s]%*s%s%s\n" "${cur_L}" "${indent}" " " "${line}"
100 if [ ${cur_l} -le ${max_level} ]; then
101 # Only print to console (fd #6) if log level is high enough.
102 printf "\r[%-5s]%*s%s%s\n" "${cur_L}" "${indent}" " " "${line}" >&6
104 if [ "${CT_LOG_PROGRESS_BAR}" = "y" ]; then
105 printf "\r[%02d:%02d] %s " $((SECONDS/60)) $((SECONDS%60)) "${_prog_bar[$((_prog_bar_cpt/10))]}" >&6
106 _prog_bar_cpt=$(((_prog_bar_cpt+1)%40))
114 # Execute an action, and log its messages
115 # Usage: [VAR=val...] CT_DoExecLog <level> <command [parameters...]>
119 CT_DoLog DEBUG "==> Executing: '${*}'"
120 "${@}" 2>&1 |CT_DoLog "${level}"
123 # Tail message to be logged whatever happens
124 # Usage: CT_DoEnd <level>
128 CT_STOP_DATE=$(CT_DoDate +%s%N)
129 CT_STOP_DATE_HUMAN=$(CT_DoDate +%Y%m%d.%H%M%S)
130 if [ "${level}" != "ERROR" ]; then
131 CT_DoLog "${level:-INFO}" "Build completed at ${CT_STOP_DATE_HUMAN}"
133 elapsed=$((CT_STOP_DATE-CT_STAR_DATE))
134 elapsed_min=$((elapsed/(60*1000*1000*1000)))
135 elapsed_sec=$(printf "%02d" $(((elapsed%(60*1000*1000*1000))/(1000*1000*1000))))
136 elapsed_csec=$(printf "%02d" $(((elapsed%(1000*1000*1000))/(10*1000*1000))))
137 CT_DoLog ${level:-INFO} "(elapsed: ${elapsed_min}:${elapsed_sec}.${elapsed_csec})"
140 # Abort the execution with an error message
141 # Usage: CT_Abort <message>
147 # Test a condition, and print a message if satisfied
148 # Usage: CT_Test <message> <tests>
153 test "$@" && CT_DoLog WARN "$m"
157 # Test a condition, and abort with an error message if satisfied
158 # Usage: CT_TestAndAbort <message> <tests>
162 test "$@" && CT_Abort "$m"
166 # Test a condition, and abort with an error message if not satisfied
167 # Usage: CT_TestAndAbort <message> <tests>
171 test "$@" || CT_Abort "$m"
175 # Test the presence of a tool, or abort if not found
176 # Usage: CT_HasOrAbort <tool>
178 CT_TestAndAbort "'${1}' not found and needed for successful toolchain build." -z "$(CT_Which "${1}")"
182 # Search a program: wrap "which" for those system where
183 # "which" verbosely says there is no match (Mandriva is
185 # Usage: CT_Which <filename>
187 which "$1" 2>/dev/null || true
190 # Get current date with nanosecond precision
191 # On those system not supporting nanosecond precision, faked with rounding down
192 # to the highest entire second
193 # Usage: CT_DoDate <fmt>
195 date "$1" |sed -r -e 's/%N$/000000000/;'
199 CT_STEP_MESSAGE[${CT_STEP_COUNT}]="<none>"
200 # Memorise a step being done so that any error is caught
201 # Usage: CT_DoStep <loglevel> <message>
203 local start=$(CT_DoDate +%s%N)
204 CT_DoLog "$1" "================================================================="
206 CT_STEP_COUNT=$((CT_STEP_COUNT+1))
207 CT_STEP_LEVEL[${CT_STEP_COUNT}]="$1"; shift
208 CT_STEP_START[${CT_STEP_COUNT}]="${start}"
209 CT_STEP_MESSAGE[${CT_STEP_COUNT}]="$1"
213 # End the step just being done
216 local stop=$(CT_DoDate +%s%N)
217 local duration=$(printf "%032d" $((stop-${CT_STEP_START[${CT_STEP_COUNT}]})) |sed -r -e 's/([[:digit:]]{2})[[:digit:]]{7}$/\.\1/; s/^0+//; s/^\./0\./;')
218 local elapsed=$(printf "%02d:%02d" $((SECONDS/60)) $((SECONDS%60)))
219 local level="${CT_STEP_LEVEL[${CT_STEP_COUNT}]}"
220 local message="${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}"
221 CT_STEP_COUNT=$((CT_STEP_COUNT-1))
222 CT_DoLog "${level}" "${message}: done in ${duration}s (at ${elapsed})"
226 # Pushes into a directory, and pops back
228 pushd "$1" >/dev/null 2>&1
234 # Creates a temporary directory
235 # $1: variable to assign to
236 # Usage: CT_MktempDir foo
238 # Some mktemp do not allow more than 6 Xs
239 eval "$1"=$(mktemp -q -d "${CT_BUILD_DIR}/tmp.XXXXXX")
240 CT_TestOrAbort "Could not make temporary directory" -n "${!1}" -a -d "${!1}"
241 CT_DoLog DEBUG "Made temporary directory '${!1}'"
245 # Removes one or more directories, even if it is read-only, or its parent is
246 # Usage: CT_DoForceRmdir dir [...]
250 for dir in "${@}"; do
251 [ -d "${dir}" ] || continue
252 mode="$(stat -c '%a' "$(dirname "${dir}")")"
253 CT_DoExecLog ALL chmod u+w "$(dirname "${dir}")"
254 CT_DoExecLog ALL chmod -R u+w "${dir}"
255 CT_DoExecLog ALL rm -rf "${dir}"
256 CT_DoExecLog ALL chmod ${mode} "$(dirname "${dir}")"
260 # Echoes the specified string on stdout until the pipe breaks.
263 # Usage: CT_DoYes "" |make oldconfig
268 # Add the specified directory to LD_LIBRARY_PATH, and export it
269 # If the specified patch is already present, just export
271 # $2: add as 'first' or 'last' path, 'first' is assumed if $2 is empty
272 # Usage CT_SetLibPath /some/where/lib [first|last]
277 case ":${LD_LIBRARY_PATH}:" in
281 CT_DoLog DEBUG "Adding '${path}' at end of LD_LIBRARY_PATH"
282 LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+${LD_LIBRARY_PATH}:}${path}"
285 CT_DoLog DEBUG "Adding '${path}' at start of LD_LIBRARY_PATH"
286 LD_LIBRARY_PATH="${path}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
289 CT_Abort "Incorrect position '${pos}' to add '${path}' to LD_LIBRARY_PATH"
294 CT_DoLog DEBUG "==> LD_LIBRARY_PATH='${LD_LIBRARY_PATH}'"
295 export LD_LIBRARY_PATH
298 # Get the file name extension of a component
299 # Usage: CT_GetFileExtension <component_name-component_version> [extension]
300 # If found, echoes the extension to stdout
301 # If not found, echoes nothing on stdout.
302 CT_GetFileExtension() {
308 # we need to also check for an empty extension for those very
309 # peculiar components that don't have one (such as sstrip from
311 for ext in ${first_ext} .tar.gz .tar.bz2 .tgz .tar ''; do
312 if [ -f "${CT_TARBALLS_DIR}/${file}${ext}" ]; then
321 # Download an URL using wget
322 # Usage: CT_DoGetFileWget <URL>
324 # Need to return true because it is legitimate to not find the tarball at
325 # some of the provided URLs (think about snapshots, different layouts for
326 # different gcc versions, etc...)
327 # Some (very old!) FTP server might not support the passive mode, thus
329 # With automated download as we are doing, it can be very dangerous to use
330 # -c to continue the downloads. It's far better to simply overwrite the
332 # Some company networks have firewalls to connect to the internet, but it's
333 # not easy to detect them, and wget does not timeout by default while
334 # connecting, so force a global ${CT_CONNECT_TIMEOUT}-second timeout.
335 CT_DoExecLog ALL wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 --passive-ftp "$1" \
336 || CT_DoExecLog ALL wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 "$1" \
340 # Download an URL using curl
341 # Usage: CT_DoGetFileCurl <URL>
343 # Note: comments about wget method (above) are also valid here
344 # Plus: no good progress indicator is available with curl,
346 CT_DoExecLog ALL curl -s --ftp-pasv -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} \
347 || CT_DoExecLog ALL curl -s -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} \
351 # Download using aria2
352 # Usage: CT_DoGetFileAria2 <URL>
353 CT_DoGetFileAria2() {
354 # Note: comments about curl method (above) are also valid here
355 # Plus: default progress indicator is a single line, so use verbose log
356 # so that the CT-NG's ouput is 'live'.
357 CT_DoExecLog ALL aria2c --summary-interval=1 -s ${CT_DOWNLOAD_MAX_CHUNKS} -m 3 -t ${CT_CONNECT_TIMEOUT} -p "$1" \
358 || CT_DoExecLog ALL aria2c --summary-interval=1 -s ${CT_DOWNLOAD_MAX_CHUNKS} -m 3 -t ${CT_CONNECT_TIMEOUT} "$1" \
362 # OK, just look if we have them...
363 _aria2c=$(CT_Which aria2c)
364 _wget=$(CT_Which wget)
365 _curl=$(CT_Which curl)
367 # Wrapper function to call one of, in order of preference:
371 # Usage: CT_DoGetFile <URL>
373 if [ -n "${_aria2c}" ]; then
374 CT_DoGetFileAria2 "$1"
375 elif [ -n "${_curl}" ]; then
376 CT_DoGetFileCurl "$1"
377 elif [ -n "${_wget}" ]; then
378 CT_DoGetFileWget "$1"
380 CT_Abort "Could find neither wget nor curl"
384 # This function tries to retrieve a tarball form a local directory
385 # Usage: CT_GetLocal <basename> [.extension]
391 # Do we already have it in *our* tarballs dir?
392 ext=$(CT_GetFileExtension "${basename}" ${first_ext})
393 if [ -n "${ext}" ]; then
394 CT_DoLog DEBUG "Already have '${basename}'"
398 if [ -n "${CT_LOCAL_TARBALLS_DIR}" ]; then
399 CT_DoLog DEBUG "Trying to retrieve an already downloaded copy of '${basename}'"
400 # We'd rather have a bzip2'ed tarball, then gzipped tarball, plain tarball,
401 # or, as a failover, a file without extension.
402 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
403 CT_DoLog DEBUG "Trying '${CT_LOCAL_TARBALLS_DIR}/${basename}${ext}'"
404 if [ -r "${CT_LOCAL_TARBALLS_DIR}/${basename}${ext}" -a \
405 "${CT_FORCE_DOWNLOAD}" != "y" ]; then
406 CT_DoLog DEBUG "Got '${basename}' from local storage"
407 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${basename}${ext}" "${CT_TARBALLS_DIR}/${basename}${ext}"
415 # This function saves the specified to local storage if possible,
416 # and if so, symlinks it for later usage
417 # Usage: CT_SaveLocal </full/path/file.name>
420 local basename="${file##*/}"
422 if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
423 CT_DoLog EXTRA "Saving '${basename}' to local storage"
424 # The file may already exist if downloads are forced: remove it first
425 CT_DoExecLog ALL rm -f "${CT_LOCAL_TARBALLS_DIR}/${basename}"
426 CT_DoExecLog ALL mv -f "${file}" "${CT_LOCAL_TARBALLS_DIR}"
427 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${basename}" "${file}"
431 # Download the file from one of the URLs passed as argument
432 # Usage: CT_GetFile <basename> [.extension] <url> [url ...]
435 local url URLS LAN_URLS
439 # If next argument starts with a dot, then this is not an URL,
440 # and we can consider that it is a preferred extension.
447 # Does it exist localy?
448 CT_GetLocal "${file}" ${first_ext} && return 0 || true
451 # Try to retrieve the file
452 CT_DoLog EXTRA "Retrieving '${file}'"
453 CT_Pushd "${CT_TARBALLS_DIR}"
457 # Add URLs on the LAN mirror
459 if [ "${CT_USE_MIRROR}" = "y" ]; then
460 CT_TestOrAbort "Please set the mirror base URL" -n "${CT_MIRROR_BASE_URL}"
461 LAN_URLS="${LAN_URLS} ${CT_MIRROR_BASE_URL}/${file%-*}"
462 LAN_URLS="${LAN_URLS} ${CT_MIRROR_BASE_URL}"
464 if [ "${CT_PREFER_MIRROR}" = "y" ]; then
465 CT_DoLog DEBUG "Pre-pending LAN mirror URLs"
466 URLS="${LAN_URLS} ${URLS}"
468 CT_DoLog DEBUG "Appending LAN mirror URLs"
469 URLS="${URLS} ${LAN_URLS}"
473 # Scan all URLs in turn, and try to grab a tarball from there
474 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
475 # Try all urls in turn
476 for url in ${URLS}; do
477 CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
478 CT_DoGetFile "${url}/${file}${ext}"
479 if [ -f "${file}${ext}" ]; then
480 CT_DoLog DEBUG "Got '${file}' from the Internet"
481 CT_SaveLocal "${CT_TARBALLS_DIR}/${file}${ext}"
488 CT_Abort "Could not retrieve '${file}'."
491 # Checkout from CVS, and build the associated tarball
492 # The tarball will be called ${basename}.tar.bz2
493 # Prerequisite: either the server does not require password,
494 # or the user must already be logged in.
495 # 'tag' is the tag to retrieve. Must be specified, but can be empty.
496 # If dirname is specified, then module will be renamed to dirname
497 # prior to building the tarball.
498 # Usage: CT_GetCVS <basename> <url> <module> <tag> [dirname[=subdir]]
499 # Note: if '=subdir' is given, then it is used instead of 'module'.
504 local tag="${4:+-r ${4}}"
508 # Does it exist localy?
509 CT_GetLocal "${basename}" && return 0 || true
512 CT_DoLog EXTRA "Retrieving '${basename}'"
515 CT_Pushd "${tmp_dir}"
517 CT_DoExecLog ALL cvs -z 9 -d "${uri}" co -P ${tag} "${module}"
518 if [ -n "${dirname}" ]; then
521 CT_DoExecLog DEBUG mv "${dirname#*=}" "${dirname%%=*}"
522 CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${basename}.tar.bz2" "${dirname%%=*}"
525 CT_DoExecLog ALL mv "${module}" "${dirname}"
526 CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${basename}.tar.bz2" "${dirname:-${module}}"
530 CT_SaveLocal "${CT_TARBALLS_DIR}/${basename}.tar.bz2"
533 CT_DoExecLog ALL rm -rf "${tmp_dir}"
536 # Check out from SVN, and build the associated tarball
537 # The tarball will be called ${basename}.tar.bz2
538 # Prerequisite: either the server does not require password,
539 # or the user must already be logged in.
540 # 'rev' is the revision to retrieve
541 # Usage: CT_GetSVN <basename> <url> [rev]
547 # Does it exist localy?
548 CT_GetLocal "${basename}" && return 0 || true
551 CT_DoLog EXTRA "Retrieving '${basename}'"
554 CT_Pushd "${tmp_dir}"
556 CT_DoExecLog ALL svn export ${rev:+-r ${rev}} "${uri}" "${basename}"
557 CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${basename}.tar.bz2" "${basename}"
558 CT_SaveLocal "${CT_TARBALLS_DIR}/${basename}.tar.bz2"
561 CT_DoExecLog ALL rm -rf "${tmp_dir}"
565 # Some tarballs need to be extracted in specific places. Eg.: glibc addons
566 # must be extracted in the glibc directory; uCLibc locales must be extracted
567 # in the extra/locale sub-directory of uClibc. This is taken into account
568 # by the caller, that did a 'cd' into the correct path before calling us
569 # and sets nochdir to 'nochdir'.
570 # Usage: CT_Extract <basename> [nochdir]
574 local ext=$(CT_GetFileExtension "${basename}")
575 CT_TestAndAbort "'${basename}' not found in '${CT_TARBALLS_DIR}'" -z "${ext}"
576 local full_file="${CT_TARBALLS_DIR}/${basename}${ext}"
578 # Check if already extracted
579 if [ -e "${CT_SRC_DIR}/.${basename}.extracted" ]; then
580 CT_DoLog DEBUG "Already extracted '${basename}'"
584 [ "${nochdir}" = "nochdir" ] || CT_Pushd "${CT_SRC_DIR}"
586 CT_DoLog EXTRA "Extracting '${basename}'"
588 .tar.bz2) CT_DoExecLog ALL tar xvjf "${full_file}";;
589 .tar.gz|.tgz) CT_DoExecLog ALL tar xvzf "${full_file}";;
590 .tar) CT_DoExecLog ALL tar xvf "${full_file}";;
591 *) CT_Abort "Don't know how to handle '${basename}${ext}': unknown extension" ;;
594 # Some tarballs have read-only files... :-(
595 # Because of nochdir, we don't know where we are, so chmod all
597 CT_DoExecLog DEBUG chmod -R u+w "${CT_SRC_DIR}"
599 CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.extracted"
601 [ "${nochdir}" = "nochdir" ] || CT_Popd
604 # Patches the specified component
605 # Usage: CT_Patch <basename> [nochdir]
609 local base_file="${basename%%-*}"
610 local ver_file="${basename#*-}"
613 local bundled_patch_dir
614 local local_patch_dir
616 # Check if already patched
617 if [ -e "${CT_SRC_DIR}/.${basename}.patched" ]; then
618 CT_DoLog DEBUG "Already patched '${basename}'"
622 # Check if already partially patched
623 if [ -e "${CT_SRC_DIR}/.${basename}.patching" ]; then
624 CT_DoLog ERROR "The '${basename}' sources were partially patched."
625 CT_DoLog ERROR "Please remove first:"
626 CT_DoLog ERROR " - the source dir for '${basename}', in '${CT_SRC_DIR}'"
627 CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${basename}.extracted'"
628 CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${basename}.patching'"
629 CT_Abort "I'll stop now to avoid any carnage..."
631 touch "${CT_SRC_DIR}/.${basename}.patching"
633 [ "${nochdir}" = "nochdir" ] || CT_Pushd "${CT_SRC_DIR}/${basename}"
635 CT_DoLog EXTRA "Patching '${basename}'"
637 bundled_patch_dir="${CT_LIB_DIR}/patches/${base_file}/${ver_file}"
638 local_patch_dir="${CT_LOCAL_PATCH_DIR}/${base_file}/${ver_file}"
640 case "${CT_PATCH_ORDER}" in
641 bundled) patch_dirs=("${bundled_patch_dir}");;
642 local) patch_dirs=("${local_patch_dir}");;
643 bundled,local) patch_dirs=("${bundled_patch_dir}" "${local_patch_dir}");;
644 local,bundled) patch_dirs=("${local_patch_dir}" "${bundled_patch_dir}");;
648 for d in "${patch_dirs[@]}"; do
649 CT_DoLog DEBUG "Looking for patches in '${d}'..."
650 if [ -n "${d}" -a -d "${d}" ]; then
651 for p in "${d}"/*.patch; do
652 if [ -f "${p}" ]; then
653 CT_DoLog DEBUG "Applying patch '${p}'"
654 CT_DoExecLog ALL patch -g0 -F1 -p1 -f <"${p}"
657 if [ "${CT_PATCH_SINGLE}" = "y" ]; then
663 if [ "${CT_OVERIDE_CONFIG_GUESS_SUB}" = "y" ]; then
664 CT_DoLog ALL "Overiding config.guess and config.sub"
665 for cfg in config_guess config_sub; do
666 eval ${cfg}="${CT_LIB_DIR}/scripts/${cfg/_/.}"
667 [ -e "${CT_TOP_DIR}/scripts/${cfg/_/.}" ] && eval ${cfg}="${CT_TOP_DIR}/scripts/${cfg/_/.}"
668 # Can't use CT_DoExecLog because of the '{} \;' to be passed un-mangled to find
669 find . -type f -name "${cfg/_/.}" -exec cp -v "${!cfg}" {} \; |CT_DoLog ALL
673 CT_DoExecLog DEBUG rm -f "${CT_SRC_DIR}/.${basename}.patching"
674 CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.patched"
676 [ "${nochdir}" = "nochdir" ] || CT_Popd
679 # Two wrappers to call config.(guess|sub) either from CT_TOP_DIR or CT_LIB_DIR.
680 # Those from CT_TOP_DIR, if they exist, will be be more recent than those from CT_LIB_DIR.
682 if [ -x "${CT_TOP_DIR}/scripts/config.guess" ]; then
683 "${CT_TOP_DIR}/scripts/config.guess"
685 "${CT_LIB_DIR}/scripts/config.guess"
690 if [ -x "${CT_TOP_DIR}/scripts/config.sub" ]; then
691 "${CT_TOP_DIR}/scripts/config.sub" "$@"
693 "${CT_LIB_DIR}/scripts/config.sub" "$@"
697 # Compute the target tuple from what is provided by the user
698 # Usage: CT_DoBuildTargetTuple
699 # In fact this function takes the environment variables to build the target
700 # tuple. It is needed both by the normal build sequence, as well as the
701 # sample saving sequence.
702 CT_DoBuildTargetTuple() {
703 # Set the endianness suffix, and the default endianness gcc option
704 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
705 y,) target_endian_eb=eb
707 CT_ARCH_ENDIAN_CFLAG="-mbig-endian"
708 CT_ARCH_ENDIAN_LDFLAG="-EB"
710 ,y) target_endian_eb=
712 CT_ARCH_ENDIAN_CFLAG="-mlittle-endian"
713 CT_ARCH_ENDIAN_LDFLAG="-EL"
717 # Build the default architecture tuple part
718 CT_TARGET_ARCH="${CT_ARCH}"
720 # Set defaults for the system part of the tuple. Can be overriden
721 # by architecture-specific values.
723 *glibc) CT_TARGET_SYS=gnu;;
724 uClibc) CT_TARGET_SYS=uclibc;;
725 *) CT_TARGET_SYS=elf;;
728 # Transform the ARCH into a kernel-understandable ARCH
729 CT_KERNEL_ARCH="${CT_ARCH}"
731 # Set the default values for ARCH, ABI, CPU, TUNE, FPU and FLOAT
732 unset CT_ARCH_ARCH_CFLAG CT_ARCH_ABI_CFLAG CT_ARCH_CPU_CFLAG CT_ARCH_TUNE_CFLAG CT_ARCH_FPU_CFLAG CT_ARCH_FLOAT_CFLAG
733 unset CT_ARCH_WITH_ARCH CT_ARCH_WITH_ABI CT_ARCH_WITH_CPU CT_ARCH_WITH_TUNE CT_ARCH_WITH_FPU CT_ARCH_WITH_FLOAT
734 [ "${CT_ARCH_ARCH}" ] && { CT_ARCH_ARCH_CFLAG="-march=${CT_ARCH_ARCH}"; CT_ARCH_WITH_ARCH="--with-arch=${CT_ARCH_ARCH}"; }
735 [ "${CT_ARCH_ABI}" ] && { CT_ARCH_ABI_CFLAG="-mabi=${CT_ARCH_ABI}"; CT_ARCH_WITH_ABI="--with-abi=${CT_ARCH_ABI}"; }
736 [ "${CT_ARCH_CPU}" ] && { CT_ARCH_CPU_CFLAG="-mcpu=${CT_ARCH_CPU}"; CT_ARCH_WITH_CPU="--with-cpu=${CT_ARCH_CPU}"; }
737 [ "${CT_ARCH_TUNE}" ] && { CT_ARCH_TUNE_CFLAG="-mtune=${CT_ARCH_TUNE}"; CT_ARCH_WITH_TUNE="--with-tune=${CT_ARCH_TUNE}"; }
738 [ "${CT_ARCH_FPU}" ] && { CT_ARCH_FPU_CFLAG="-mfpu=${CT_ARCH_FPU}"; CT_ARCH_WITH_FPU="--with-fpu=${CT_ARCH_FPU}"; }
739 [ "${CT_ARCH_FLOAT_SW}" ] && { CT_ARCH_FLOAT_CFLAG="-msoft-float"; CT_ARCH_WITH_FLOAT="--with-float=soft"; }
741 # Build the default kernel tuple part
742 CT_TARGET_KERNEL="${CT_KERNEL}"
744 # Overide the default values with the components specific settings
746 CT_DoKernelTupleValues
748 # Finish the target tuple construction
749 CT_TARGET="${CT_TARGET_ARCH}-${CT_TARGET_VENDOR:-unknown}-${CT_TARGET_KERNEL}${CT_TARGET_KERNEL:+-}${CT_TARGET_SYS}"
753 if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
754 __sed_alias=$(echo "${CT_TARGET}" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
756 case ":${CT_TARGET_VENDOR}:${CT_TARGET_ALIAS}:${__sed_alias}:" in
757 :*" "*:*:*:) CT_Abort "Don't use spaces in the vendor string, it breaks things.";;
758 :*"-"*:*:*:) CT_Abort "Don't use dashes in the vendor string, it breaks things.";;
759 :*:*" "*:*:) CT_Abort "Don't use spaces in the target alias, it breaks things.";;
760 :*:*:*" "*:) CT_Abort "Don't use spaces in the target sed transform, it breaks things.";;
764 CT_TARGET=$(CT_DoConfigSub "${CT_TARGET}")
766 # Prepare the target CFLAGS
767 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ENDIAN_CFLAG}"
768 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ARCH_CFLAG}"
769 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ABI_CFLAG}"
770 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_CPU_CFLAG}"
771 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_TUNE_CFLAG}"
772 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FPU_CFLAG}"
773 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FLOAT_CFLAG}"
775 # Now on for the target LDFLAGS
776 CT_ARCH_TARGET_LDFLAGS="${CT_ARCH_TARGET_LDFLAGS} ${CT_ARCH_ENDIAN_LDFLAG}"
779 # This function does pause the build until the user strikes "Return"
780 # Usage: CT_DoPause [optional_message]
783 local message="${1:-Pausing for your pleasure}"
784 CT_DoLog INFO "${message}"
785 read -p "Press 'Enter' to continue, or Ctrl-C to stop..." foo >&6
789 # This function saves the state of the toolchain to be able to restart
791 # Usage: CT_DoSaveState <next_step_name>
793 [ "${CT_DEBUG_CT_SAVE_STEPS}" = "y" ] || return 0
794 local state_name="$1"
795 local state_dir="${CT_STATE_DIR}/${state_name}"
797 # Log this to the log level required by the user
798 CT_DoLog ${CT_LOG_LEVEL_MAX} "Saving state to restart at step '${state_name}'..."
800 rm -rf "${state_dir}"
801 mkdir -p "${state_dir}"
803 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
804 y) tar_opt=z; tar_ext=.gz;;
805 *) tar_opt=; tar_ext=;;
808 CT_DoLog DEBUG " Saving environment and aliases"
809 # We must omit shell functions, and some specific bash variables
810 # that break when restoring the environment, later. We could do
811 # all the processing in the awk script, but a sed is easier...
814 $0~/^[^ ]+ \(\)/ { _p = 0; }
816 $0 == "}" { _p = 1; }
817 ' |sed -r -e '/^BASH_(ARGC|ARGV|LINENO|SOURCE|VERSINFO)=/d;
819 /^(FUNCNAME|GROUPS|PPID|SHELLOPTS)=/d;' >"${state_dir}/env.sh"
821 CT_DoLog DEBUG " Saving CT_CONFIG_DIR='${CT_CONFIG_DIR}'"
822 CT_Pushd "${CT_CONFIG_DIR}"
823 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/config_dir.tar${tar_ext}" .
826 CT_DoLog DEBUG " Saving CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
827 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
828 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}" .
831 CT_DoLog DEBUG " Saving CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
832 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
833 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}" .
836 CT_DoLog DEBUG " Saving CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
837 CT_Pushd "${CT_PREFIX_DIR}"
838 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}" --exclude '*.log' .
841 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
842 CT_DoLog DEBUG " Saving log file"
844 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
845 y) gzip -3 -c "${CT_LOG_FILE}" >"${state_dir}/log.gz";;
846 *) cat "${CT_LOG_FILE}" >"${state_dir}/log";;
848 exec >>"${CT_LOG_FILE}"
852 # This function restores a previously saved state
853 # Usage: CT_DoLoadState <state_name>
855 local state_name="$1"
856 local state_dir="${CT_STATE_DIR}/${state_name}"
857 local old_RESTART="${CT_RESTART}"
858 local old_STOP="${CT_STOP}"
860 CT_TestOrAbort "The previous build did not reach the point where it could be restarted at '${CT_RESTART}'" -d "${state_dir}"
862 # We need to do something special with the log file!
863 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
864 exec >"${state_dir}/tail.log"
867 # Log this to the log level required by the user
868 CT_DoLog ${CT_LOG_LEVEL_MAX} "Restoring state at step '${state_name}', as requested."
870 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
871 y) tar_opt=z; tar_ext=.gz;;
872 *) tar_opt=; tar_ext=;;
875 CT_DoLog DEBUG " Removing previous build directories"
876 CT_DoForceRmdir "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}" "${CT_CONFIG_DIR}"
877 CT_DoExecLog DEBUG mkdir -p "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}" "${CT_CONFIG_DIR}"
879 CT_DoLog DEBUG " Restoring CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
880 CT_Pushd "${CT_PREFIX_DIR}"
881 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}"
884 CT_DoLog DEBUG " Restoring CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
885 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
886 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}"
889 CT_DoLog DEBUG " Restoring CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
890 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
891 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}"
894 CT_DoLog DEBUG " Restoring CT_CONFIG_DIR='${CT_CONFIG_DIR}'"
895 CT_Pushd "${CT_CONFIG_DIR}"
896 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/config_dir.tar${tar_ext}"
899 # Restore the environment, discarding any error message
900 # (for example, read-only bash internals)
901 CT_DoLog DEBUG " Restoring environment"
902 . "${state_dir}/env.sh" >/dev/null 2>&1 || true
904 # Restore the new RESTART and STOP steps
905 CT_RESTART="${old_RESTART}"
906 CT_STOP="${old_STOP}"
907 unset old_stop old_restart
909 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
910 CT_DoLog DEBUG " Restoring log file"
912 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
913 y) zcat "${state_dir}/log.gz" >"${CT_LOG_FILE}";;
914 *) cat "${state_dir}/log" >"${CT_LOG_FILE}";;
916 cat "${state_dir}/tail.log" >>"${CT_LOG_FILE}"
917 exec >>"${CT_LOG_FILE}"
918 rm -f "${state_dir}/tail.log"