1 # This file contains some usefull common functions -*- sh -*-
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 [ "${CT_LOG_TO_FILE}" = "y" ] && CT_DoLog ERROR "Look at '${tmp_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
44 tmp_log_file="${CT_TOP_DIR}/build.log"
45 rm -f "${tmp_log_file}"
46 exec >>"${tmp_log_file}"
48 # The different log levels:
59 # Make it easy to use \n and !
63 # A function to log what is happening
64 # Different log level are available:
65 # - ERROR: A serious, fatal error occurred
66 # - WARN: A non fatal, non serious error occurred, take your responsbility with the generated build
67 # - INFO: Informational messages
68 # - EXTRA: Extra informational messages
69 # - CFG: Output of various "./configure"-type scripts
70 # - FILE: File / archive unpacking.
71 # - STATE: State save & restore
72 # - ALL: Component's build messages
73 # - DEBUG: Internal debug messages
74 # Usage: CT_DoLog <level> [message]
75 # If message is empty, then stdin will be logged.
77 local max_level LEVEL level cur_l cur_L
79 eval max_level="\${CT_LOG_LEVEL_${CT_LOG_LEVEL_MAX}}"
80 # Set the maximum log level to DEBUG if we have none
81 [ -z "${max_level}" ] && max_level=${CT_LOG_LEVEL_DEBUG}
84 eval level="\${CT_LOG_LEVEL_${LEVEL}}"
90 fi |( IFS="${CR}" # We want the full lines, even leading spaces
96 indent=$((2*CT_STEP_COUNT))
98 case "${CT_LOG_SEE_TOOLS_WARN},${line}" in
99 y,*"warning:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
100 y,*"WARNING:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
101 *"error:"*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
102 *"make["*"]: *** ["*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
103 *) cur_L="${LEVEL}"; cur_l="${level}";;
105 # There will always be a log file (stdout, fd #1), be it /dev/null
106 printf "[%-5s]%*s%s%s\n" "${cur_L}" "${indent}" " " "${line}"
107 if [ ${cur_l} -le ${max_level} ]; then
108 # Only print to console (fd #6) if log level is high enough.
109 printf "\r[%-5s]%*s%s%s\n" "${cur_L}" "${indent}" " " "${line}" >&6
111 if [ "${CT_LOG_PROGRESS_BAR}" = "y" ]; then
112 printf "\r[%02d:%02d] %s " $((SECONDS/60)) $((SECONDS%60)) "${_prog_bar[$((_prog_bar_cpt/10))]}" >&6
113 _prog_bar_cpt=$(((_prog_bar_cpt+1)%40))
121 # Execute an action, and log its messages
122 # Usage: [VAR=val...] CT_DoExecLog <level> <command [parameters...]>
126 CT_DoLog DEBUG "==> Executing: '${*}'"
127 "${@}" 2>&1 |CT_DoLog "${level}"
130 # Tail message to be logged whatever happens
131 # Usage: CT_DoEnd <level>
135 CT_STOP_DATE=$(CT_DoDate +%s%N)
136 CT_STOP_DATE_HUMAN=$(CT_DoDate +%Y%m%d.%H%M%S)
137 if [ "${level}" != "ERROR" ]; then
138 CT_DoLog "${level:-INFO}" "Build completed at ${CT_STOP_DATE_HUMAN}"
140 elapsed=$((CT_STOP_DATE-CT_STAR_DATE))
141 elapsed_min=$((elapsed/(60*1000*1000*1000)))
142 elapsed_sec=$(printf "%02d" $(((elapsed%(60*1000*1000*1000))/(1000*1000*1000))))
143 elapsed_csec=$(printf "%02d" $(((elapsed%(1000*1000*1000))/(10*1000*1000))))
144 CT_DoLog ${level:-INFO} "(elapsed: ${elapsed_min}:${elapsed_sec}.${elapsed_csec})"
147 # Remove entries referring to . and other relative paths
148 # Usage: CT_SanitizePath
154 # Only accept absolute paths;
155 # Note: as a special case the empty string in PATH is equivalent to .
156 if [ -n "${p}" -a -z "${p%%/*}" ]; then
157 new="${new}${new:+:}${p}"
163 # Sanitise the directory name contained in the variable passed as argument:
164 # - remove duplicate /
165 # Usage: CT_SanitiseVarDir CT_PREFIX_DIR
166 CT_SanitiseVarDir() {
172 eval "old_dir=\"\${${var}}\""
173 new_dir="$( printf "${old_dir}" \
174 |sed -r -e 's:/+:/:g;' \
176 eval "${var}=\"${new_dir}\""
177 CT_DoLog DEBUG "Sanitised '${var}': '${old_dir}' -> '${new_dir}'"
181 # Abort the execution with an error message
182 # Usage: CT_Abort <message>
188 # Test a condition, and print a message if satisfied
189 # Usage: CT_Test <message> <tests>
194 CT_DoLog DEBUG "Testing '! ( $* )'"
195 test "$@" && CT_DoLog WARN "$m"
199 # Test a condition, and abort with an error message if satisfied
200 # Usage: CT_TestAndAbort <message> <tests>
204 CT_DoLog DEBUG "Testing '! ( $* )'"
205 test "$@" && CT_Abort "$m"
209 # Test a condition, and abort with an error message if not satisfied
210 # Usage: CT_TestAndAbort <message> <tests>
214 CT_DoLog DEBUG "Testing '$*'"
215 test "$@" || CT_Abort "$m"
219 # Test the presence of a tool, or abort if not found
220 # Usage: CT_HasOrAbort <tool>
222 CT_TestAndAbort "'${1}' not found and needed for successful toolchain build." -z "$(CT_Which "${1}")"
226 # Search a program: wrap "which" for those system where
227 # "which" verbosely says there is no match (Mandriva is
229 # Usage: CT_Which <filename>
231 which "$1" 2>/dev/null || true
234 # Get current date with nanosecond precision
235 # On those system not supporting nanosecond precision, faked with rounding down
236 # to the highest entire second
237 # Usage: CT_DoDate <fmt>
239 date "$1" |sed -r -e 's/N$/000000000/;'
243 CT_STEP_MESSAGE[${CT_STEP_COUNT}]="<none>"
244 # Memorise a step being done so that any error is caught
245 # Usage: CT_DoStep <loglevel> <message>
247 local start=$(CT_DoDate +%s%N)
248 CT_DoLog "$1" "================================================================="
250 CT_STEP_COUNT=$((CT_STEP_COUNT+1))
251 CT_STEP_LEVEL[${CT_STEP_COUNT}]="$1"; shift
252 CT_STEP_START[${CT_STEP_COUNT}]="${start}"
253 CT_STEP_MESSAGE[${CT_STEP_COUNT}]="$1"
257 # End the step just being done
260 local stop=$(CT_DoDate +%s%N)
261 local duration=$(printf "%032d" $((stop-${CT_STEP_START[${CT_STEP_COUNT}]})) |sed -r -e 's/([[:digit:]]{2})[[:digit:]]{7}$/\.\1/; s/^0+//; s/^\./0\./;')
262 local elapsed=$(printf "%02d:%02d" $((SECONDS/60)) $((SECONDS%60)))
263 local level="${CT_STEP_LEVEL[${CT_STEP_COUNT}]}"
264 local message="${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}"
265 CT_STEP_COUNT=$((CT_STEP_COUNT-1))
266 CT_DoLog "${level}" "${message}: done in ${duration}s (at ${elapsed})"
270 # Pushes into a directory, and pops back
272 pushd "$1" >/dev/null 2>&1
278 # Creates a temporary directory
279 # $1: variable to assign to
280 # Usage: CT_MktempDir foo
282 # Some mktemp do not allow more than 6 Xs
283 eval "$1"=$(mktemp -q -d "${CT_BUILD_DIR}/tmp.XXXXXX")
284 CT_TestOrAbort "Could not make temporary directory" -n "${!1}" -a -d "${!1}"
285 CT_DoLog DEBUG "Made temporary directory '${!1}'"
289 # Removes one or more directories, even if it is read-only, or its parent is
290 # Usage: CT_DoForceRmdir dir [...]
294 for dir in "${@}"; do
295 [ -d "${dir}" ] || continue
298 mode="$(stat -c '%a' "$(dirname "${dir}")")"
301 mode="$(stat -f '%Lp' "$(dirname "${dir}")")"
304 CT_Abort "Unhandled host OS $CT_SYS_OS"
307 CT_DoExecLog ALL chmod u+w "$(dirname "${dir}")"
308 CT_DoExecLog ALL chmod -R u+w "${dir}"
309 CT_DoExecLog ALL rm -rf "${dir}"
310 CT_DoExecLog ALL chmod ${mode} "$(dirname "${dir}")"
314 # Echoes the specified string on stdout until the pipe breaks.
317 # Usage: CT_DoYes "" |make oldconfig
322 # Add the specified directory to LD_LIBRARY_PATH, and export it
323 # If the specified patch is already present, just export
325 # $2: add as 'first' or 'last' path, 'first' is assumed if $2 is empty
326 # Usage CT_SetLibPath /some/where/lib [first|last]
331 case ":${LD_LIBRARY_PATH}:" in
335 CT_DoLog DEBUG "Adding '${path}' at end of LD_LIBRARY_PATH"
336 LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+${LD_LIBRARY_PATH}:}${path}"
339 CT_DoLog DEBUG "Adding '${path}' at start of LD_LIBRARY_PATH"
340 LD_LIBRARY_PATH="${path}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
343 CT_Abort "Incorrect position '${pos}' to add '${path}' to LD_LIBRARY_PATH"
348 CT_DoLog DEBUG "==> LD_LIBRARY_PATH='${LD_LIBRARY_PATH}'"
349 export LD_LIBRARY_PATH
352 # Get the file name extension of a component
353 # Usage: CT_GetFileExtension <component_name-component_version> [extension]
354 # If found, echoes the extension to stdout, and return 0
355 # If not found, echoes nothing on stdout, and return !0.
356 CT_GetFileExtension() {
362 # we need to also check for an empty extension for those very
363 # peculiar components that don't have one (such as sstrip from
365 for ext in ${first_ext} .tar.gz .tar.bz2 .tgz .tar /.git ''; do
366 if [ -e "${CT_TARBALLS_DIR}/${file}${ext}" ]; then
375 # Try to retrieve the specified URL (HTTP or FTP)
376 # Usage: CT_DoGetFile <URL>
377 # This functions always returns true (0), as it can be legitimate not
378 # to find the requested URL (think about snapshots, different layouts
379 # for different gcc versions, etc...).
381 local dest="${1##*/}"
382 local tmp="${dest}.tmp-dl"
383 # OK, just look if we have them...
384 # We are sure at least one is available, ./configure checked for it.
385 local _curl=$(CT_Which curl)
386 local _wget=$(CT_Which wget)
387 _curl="${_curl:-false}"
388 _wget="${_wget:-false}"
390 # Remove potential left-over from a previous run
393 # Some (very old!) FTP server might not support the passive mode, thus
395 # We also retry a few times, in case there is a transient error (eg. behind
396 # a dynamic IP that changes during the transfer...)
397 # With automated download as we are doing, it can be very dangerous to
398 # continue the downloads. It's far better to simply overwrite the
400 # Some company networks have firewalls to connect to the internet, but it's
401 # not easy to detect them, and wget does not timeout by default while
402 # connecting, so force a global ${CT_CONNECT_TIMEOUT}-second timeout.
403 # For curl, no good progress indicator is available. So, be silent.
404 if CT_DoExecLog ALL "${_curl}" --ftp-pasv --retry 3 --connect-timeout ${CT_CONNECT_TIMEOUT} -L -f -s -o "${tmp}" "$1" \
405 || CT_DoExecLog ALL "${_curl}" --retry 3 --connect-timeout ${CT_CONNECT_TIMEOUT} -L -f -s -o "${tmp}" "$1" \
406 || CT_DoExecLog ALL "${_wget}" --passive-ftp --tries=3 -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary -O "${tmp}" "$1" \
407 || CT_DoExecLog ALL "${_wget}" --tries=3 -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary -O "${tmp}" "$1" \
409 # One of them succeeded, good!
410 mv "${tmp}" "${dest}"
417 # This function tries to retrieve a tarball form a local directory
418 # Usage: CT_GetLocal <basename> [.extension]
424 # Do we already have it in *our* tarballs dir?
425 if ext="$( CT_GetFileExtension "${basename}" ${first_ext} )"; then
426 CT_DoLog DEBUG "Already have '${basename}'"
430 if [ -n "${CT_LOCAL_TARBALLS_DIR}" ]; then
431 CT_DoLog DEBUG "Trying to retrieve an already downloaded copy of '${basename}'"
432 # We'd rather have a bzip2'ed tarball, then gzipped tarball, plain tarball,
433 # or, as a failover, a file without extension.
434 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
435 CT_DoLog DEBUG "Trying '${CT_LOCAL_TARBALLS_DIR}/${basename}${ext}'"
436 if [ -r "${CT_LOCAL_TARBALLS_DIR}/${basename}${ext}" -a \
437 "${CT_FORCE_DOWNLOAD}" != "y" ]; then
438 CT_DoLog DEBUG "Got '${basename}' from local storage"
439 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${basename}${ext}" "${CT_TARBALLS_DIR}/${basename}${ext}"
447 # This function saves the specified to local storage if possible,
448 # and if so, symlinks it for later usage
449 # Usage: CT_SaveLocal </full/path/file.name>
452 local basename="${file##*/}"
454 if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
455 CT_DoLog EXTRA "Saving '${basename}' to local storage"
456 # The file may already exist if downloads are forced: remove it first
457 CT_DoExecLog ALL rm -f "${CT_LOCAL_TARBALLS_DIR}/${basename}"
458 CT_DoExecLog ALL mv -f "${file}" "${CT_LOCAL_TARBALLS_DIR}"
459 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${basename}" "${file}"
463 # Download the file from one of the URLs passed as argument
464 # Usage: CT_GetFile <basename> [.extension] <url> [url ...]
467 local url URLS LAN_URLS
471 # If next argument starts with a dot, then this is not an URL,
472 # and we can consider that it is a preferred extension.
479 # Does it exist localy?
480 CT_GetLocal "${file}" ${first_ext} && return 0 || true
483 # Try to retrieve the file
484 CT_DoLog EXTRA "Retrieving '${file}'"
485 CT_Pushd "${CT_TARBALLS_DIR}"
489 # Add URLs on the LAN mirror
491 if [ "${CT_USE_MIRROR}" = "y" ]; then
492 CT_TestOrAbort "Please set the mirror base URL" -n "${CT_MIRROR_BASE_URL}"
493 LAN_URLS="${LAN_URLS} ${CT_MIRROR_BASE_URL}/${file%-*}"
494 LAN_URLS="${LAN_URLS} ${CT_MIRROR_BASE_URL}"
496 if [ "${CT_PREFER_MIRROR}" = "y" ]; then
497 CT_DoLog DEBUG "Pre-pending LAN mirror URLs"
498 URLS="${LAN_URLS} ${URLS}"
500 CT_DoLog DEBUG "Appending LAN mirror URLs"
501 URLS="${URLS} ${LAN_URLS}"
505 # Scan all URLs in turn, and try to grab a tarball from there
506 # Do *not* try git trees (ext=/.git), this is handled in a specific
508 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
509 # Try all urls in turn
510 for url in ${URLS}; do
511 CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
512 CT_DoGetFile "${url}/${file}${ext}"
513 if [ -f "${file}${ext}" ]; then
514 CT_DoLog DEBUG "Got '${file}' from the Internet"
515 CT_SaveLocal "${CT_TARBALLS_DIR}/${file}${ext}"
522 CT_Abort "Could not retrieve '${file}'."
525 # Checkout from CVS, and build the associated tarball
526 # The tarball will be called ${basename}.tar.bz2
527 # Prerequisite: either the server does not require password,
528 # or the user must already be logged in.
529 # 'tag' is the tag to retrieve. Must be specified, but can be empty.
530 # If dirname is specified, then module will be renamed to dirname
531 # prior to building the tarball.
532 # Usage: CT_GetCVS <basename> <url> <module> <tag> [dirname[=subdir]]
533 # Note: if '=subdir' is given, then it is used instead of 'module'.
538 local tag="${4:+-r ${4}}"
542 # Does it exist localy?
543 CT_GetLocal "${basename}" && return 0 || true
546 CT_DoLog EXTRA "Retrieving '${basename}'"
549 CT_Pushd "${tmp_dir}"
551 CT_DoExecLog ALL cvs -z 9 -d "${uri}" co -P ${tag} "${module}"
552 if [ -n "${dirname}" ]; then
555 CT_DoExecLog DEBUG mv "${dirname#*=}" "${dirname%%=*}"
556 CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${basename}.tar.bz2" "${dirname%%=*}"
559 CT_DoExecLog ALL mv "${module}" "${dirname}"
560 CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${basename}.tar.bz2" "${dirname:-${module}}"
564 CT_SaveLocal "${CT_TARBALLS_DIR}/${basename}.tar.bz2"
567 CT_DoExecLog ALL rm -rf "${tmp_dir}"
570 # Check out from SVN, and build the associated tarball
571 # The tarball will be called ${basename}.tar.bz2
572 # Prerequisite: either the server does not require password,
573 # or the user must already be logged in.
574 # 'rev' is the revision to retrieve
575 # Usage: CT_GetSVN <basename> <url> [rev]
581 # Does it exist localy?
582 CT_GetLocal "${basename}" && return 0 || true
585 CT_DoLog EXTRA "Retrieving '${basename}'"
588 CT_Pushd "${tmp_dir}"
590 CT_DoExecLog ALL svn export ${rev:+-r ${rev}} "${uri}" "${basename}"
591 CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${basename}.tar.bz2" "${basename}"
592 CT_SaveLocal "${CT_TARBALLS_DIR}/${basename}.tar.bz2"
595 CT_DoExecLog ALL rm -rf "${tmp_dir}"
599 # Tries the given URLs in turn until one can get cloned. No tarball will be created.
600 # Prerequisites: either the server does not require password,
601 # or the user has already taken any action to authenticate to the server.
602 # The cloned tree will *not* be stored in the local tarballs dir!
603 # Usage: CT_GetGit <basename> <url [url ...]>
605 local basename="$1"; shift
609 # Do we have it in our tarballs dir?
610 if [ -d "${CT_TARBALLS_DIR}/${basename}/.git" ]; then
611 CT_DoLog EXTRA "Updating git tree '${basename}'"
612 CT_Pushd "${CT_TARBALLS_DIR}/${basename}"
613 CT_DoExecLog ALL git pull
616 CT_DoLog EXTRA "Retrieving git tree '${basename}'"
617 for url in "${@}"; do
618 CT_DoLog ALL "Trying to clone from '${url}'"
619 CT_DoForceRmdir "${CT_TARBALLS_DIR}/${basename}"
620 if git clone "${url}" "${CT_TARBALLS_DIR}/${basename}" 2>&1 |CT_DoLog ALL; then
625 CT_TestOrAbort "Could not clone '${basename}'" ${cloned} -ne 0
630 # Some tarballs need to be extracted in specific places. Eg.: glibc addons
631 # must be extracted in the glibc directory; uCLibc locales must be extracted
632 # in the extra/locale sub-directory of uClibc. This is taken into account
633 # by the caller, that did a 'cd' into the correct path before calling us
634 # and sets nochdir to 'nochdir'.
635 # Note also that this function handles the git trees!
636 # Usage: CT_Extract <basename> [nochdir] [options]
637 # where 'options' are dependent on the source (eg. git branch/tag...)
643 if [ "${nochdir}" = "nochdir" ]; then
647 nochdir="${CT_SRC_DIR}"
653 if ! ext="$(CT_GetFileExtension "${basename}")"; then
654 CT_Abort "'${basename}' not found in '${CT_TARBALLS_DIR}'"
656 local full_file="${CT_TARBALLS_DIR}/${basename}${ext}"
658 # Check if already extracted
659 if [ -e "${CT_SRC_DIR}/.${basename}.extracted" ]; then
660 CT_DoLog DEBUG "Already extracted '${basename}'"
664 # Check if previously partially extracted
665 if [ -e "${CT_SRC_DIR}/.${basename}.extracting" ]; then
666 CT_DoLog ERROR "The '${basename}' sources were partially extracted."
667 CT_DoLog ERROR "Please remove first:"
668 CT_DoLog ERROR " - the source dir for '${basename}', in '${CT_SRC_DIR}'"
669 CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${basename}.extracting'"
670 CT_Abort "I'll stop now to avoid any carnage..."
672 CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.extracting"
674 CT_Pushd "${nochdir}"
676 CT_DoLog EXTRA "Extracting '${basename}'"
678 .tar.bz2) CT_DoExecLog FILE tar xvjf "${full_file}";;
679 .tar.gz|.tgz) CT_DoExecLog FILE tar xvzf "${full_file}";;
680 .tar) CT_DoExecLog FILE tar xvf "${full_file}";;
681 /.git) CT_ExtractGit "${basename}" "${@}";;
682 *) CT_Abort "Don't know how to handle '${basename}${ext}': unknown extension";;
685 # Don't mark as being extracted for git
688 *) CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${basename}.extracted";;
690 CT_DoExecLog DEBUG rm -f "${CT_SRC_DIR}/.${basename}.extracting"
695 # Create a working git clone
696 # Usage: CT_ExtractGit <basename> [ref]
697 # where 'ref' is the reference to use:
698 # the full name of a branch, like "remotes/origin/branch_name"
699 # a date as understandable by git, like "YYYY-MM-DD[ hh[:mm[:ss]]]"
702 local basename="${1}"
707 # pushd now to be able to get git revlist in case ref is a date
708 clone_dir="${CT_TARBALLS_DIR}/${basename}"
709 CT_Pushd "${clone_dir}"
711 # What kind of reference is ${ref} ?
712 if [ -z "${ref}" ]; then
713 # Don't update the clone, keep as-is
715 elif git tag |grep -E "^${ref}$" >/dev/null 2>&1; then
717 elif git branch -a --no-color |grep -E "^. ${ref}$" >/dev/null 2>&1; then
719 elif date -d "${ref}" >/dev/null 2>&1; then
721 ref=$(git rev-list -n1 --before="${ref}")
723 CT_Abort "Reference '${ref}' is an incorrect git reference: neither tag, branch nor date"
726 CT_DoExecLog DEBUG rm -f "${CT_SRC_DIR}/${basename}"
727 CT_DoExecLog ALL ln -sf "${clone_dir}" "${CT_SRC_DIR}/${basename}"
729 case "${ref_type}" in
731 *) CT_DoExecLog FILE git checkout "${ref}";;
737 # Patches the specified component
738 # See CT_Extract, above, for explanations on 'nochdir'
739 # Usage: CT_Patch [nochdir] <packagename> <packageversion>
740 # If the package directory is *not* packagename-packageversion, then
741 # the caller must cd into the proper directory first, and call us
752 local bundled_patch_dir
753 local local_patch_dir
755 if [ "${nochdir}" = "nochdir" ]; then
759 pkgdir="${pkgname}-${version}"
764 pkgdir="${pkgname}-${version}"
765 nochdir="${CT_SRC_DIR}/${pkgdir}"
768 # Check if already patched
769 if [ -e "${CT_SRC_DIR}/.${pkgdir}.patched" ]; then
770 CT_DoLog DEBUG "Already patched '${pkgdir}'"
774 # Check if already partially patched
775 if [ -e "${CT_SRC_DIR}/.${pkgdir}.patching" ]; then
776 CT_DoLog ERROR "The '${pkgdir}' sources were partially patched."
777 CT_DoLog ERROR "Please remove first:"
778 CT_DoLog ERROR " - the source dir for '${pkgdir}', in '${CT_SRC_DIR}'"
779 CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${pkgdir}.extracted'"
780 CT_DoLog ERROR " - the file '${CT_SRC_DIR}/.${pkgdir}.patching'"
781 CT_Abort "I'll stop now to avoid any carnage..."
783 touch "${CT_SRC_DIR}/.${pkgdir}.patching"
785 CT_Pushd "${nochdir}"
787 CT_DoLog EXTRA "Patching '${pkgdir}'"
789 bundled_patch_dir="${CT_LIB_DIR}/patches/${pkgname}/${version}"
790 local_patch_dir="${CT_LOCAL_PATCH_DIR}/${pkgname}/${version}"
792 case "${CT_PATCH_ORDER}" in
793 bundled) patch_dirs=("${bundled_patch_dir}");;
794 local) patch_dirs=("${local_patch_dir}");;
795 bundled,local) patch_dirs=("${bundled_patch_dir}" "${local_patch_dir}");;
796 local,bundled) patch_dirs=("${local_patch_dir}" "${bundled_patch_dir}");;
800 for d in "${patch_dirs[@]}"; do
801 CT_DoLog DEBUG "Looking for patches in '${d}'..."
802 if [ -n "${d}" -a -d "${d}" ]; then
803 for p in "${d}"/*.patch; do
804 if [ -f "${p}" ]; then
805 CT_DoLog DEBUG "Applying patch '${p}'"
806 CT_DoExecLog ALL patch --no-backup-if-mismatch -g0 -F1 -p1 -f <"${p}"
809 if [ "${CT_PATCH_SINGLE}" = "y" ]; then
815 if [ "${CT_OVERIDE_CONFIG_GUESS_SUB}" = "y" ]; then
816 CT_DoLog ALL "Overiding config.guess and config.sub"
817 for cfg in config_guess config_sub; do
818 eval ${cfg}="${CT_LIB_DIR}/scripts/${cfg/_/.}"
819 [ -e "${CT_TOP_DIR}/scripts/${cfg/_/.}" ] && eval ${cfg}="${CT_TOP_DIR}/scripts/${cfg/_/.}"
820 # Can't use CT_DoExecLog because of the '{} \;' to be passed un-mangled to find
821 find . -type f -name "${cfg/_/.}" -exec cp -v "${!cfg}" {} \; |CT_DoLog ALL
825 CT_DoExecLog DEBUG touch "${CT_SRC_DIR}/.${pkgdir}.patched"
826 CT_DoExecLog DEBUG rm -f "${CT_SRC_DIR}/.${pkgdir}.patching"
831 # Two wrappers to call config.(guess|sub) either from CT_TOP_DIR or CT_LIB_DIR.
832 # Those from CT_TOP_DIR, if they exist, will be be more recent than those from CT_LIB_DIR.
834 if [ -x "${CT_TOP_DIR}/scripts/config.guess" ]; then
835 "${CT_TOP_DIR}/scripts/config.guess"
837 "${CT_LIB_DIR}/scripts/config.guess"
842 if [ -x "${CT_TOP_DIR}/scripts/config.sub" ]; then
843 "${CT_TOP_DIR}/scripts/config.sub" "$@"
845 "${CT_LIB_DIR}/scripts/config.sub" "$@"
849 # Compute the target tuple from what is provided by the user
850 # Usage: CT_DoBuildTargetTuple
851 # In fact this function takes the environment variables to build the target
852 # tuple. It is needed both by the normal build sequence, as well as the
853 # sample saving sequence.
854 CT_DoBuildTargetTuple() {
855 # Set the endianness suffix, and the default endianness gcc option
856 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
857 y,) target_endian_eb=eb
859 CT_ARCH_ENDIAN_CFLAG="-mbig-endian"
860 CT_ARCH_ENDIAN_LDFLAG="-EB"
862 ,y) target_endian_eb=
864 CT_ARCH_ENDIAN_CFLAG="-mlittle-endian"
865 CT_ARCH_ENDIAN_LDFLAG="-EL"
869 # Build the default architecture tuple part
870 CT_TARGET_ARCH="${CT_ARCH}"
872 # Set defaults for the system part of the tuple. Can be overriden
873 # by architecture-specific values.
875 *glibc) CT_TARGET_SYS=gnu;;
876 uClibc) CT_TARGET_SYS=uclibc;;
877 *) CT_TARGET_SYS=elf;;
880 # Set the default values for ARCH, ABI, CPU, TUNE, FPU and FLOAT
881 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
882 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
883 [ "${CT_ARCH_ARCH}" ] && { CT_ARCH_ARCH_CFLAG="-march=${CT_ARCH_ARCH}"; CT_ARCH_WITH_ARCH="--with-arch=${CT_ARCH_ARCH}"; }
884 [ "${CT_ARCH_ABI}" ] && { CT_ARCH_ABI_CFLAG="-mabi=${CT_ARCH_ABI}"; CT_ARCH_WITH_ABI="--with-abi=${CT_ARCH_ABI}"; }
885 [ "${CT_ARCH_CPU}" ] && { CT_ARCH_CPU_CFLAG="-mcpu=${CT_ARCH_CPU}"; CT_ARCH_WITH_CPU="--with-cpu=${CT_ARCH_CPU}"; }
886 [ "${CT_ARCH_TUNE}" ] && { CT_ARCH_TUNE_CFLAG="-mtune=${CT_ARCH_TUNE}"; CT_ARCH_WITH_TUNE="--with-tune=${CT_ARCH_TUNE}"; }
887 [ "${CT_ARCH_FPU}" ] && { CT_ARCH_FPU_CFLAG="-mfpu=${CT_ARCH_FPU}"; CT_ARCH_WITH_FPU="--with-fpu=${CT_ARCH_FPU}"; }
888 [ "${CT_ARCH_FLOAT_SW}" ] && { CT_ARCH_FLOAT_CFLAG="-msoft-float"; CT_ARCH_WITH_FLOAT="--with-float=soft"; }
890 # Build the default kernel tuple part
891 CT_TARGET_KERNEL="${CT_KERNEL}"
893 # Overide the default values with the components specific settings
895 CT_DoKernelTupleValues
897 # Finish the target tuple construction
898 CT_TARGET="${CT_TARGET_ARCH}"
899 CT_TARGET="${CT_TARGET}${CT_TARGET_VENDOR:+-${CT_TARGET_VENDOR}}"
900 CT_TARGET="${CT_TARGET}${CT_TARGET_KERNEL:+-${CT_TARGET_KERNEL}}"
901 CT_TARGET="${CT_TARGET}${CT_TARGET_SYS:+-${CT_TARGET_SYS}}"
905 if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
906 __sed_alias=$(echo "${CT_TARGET}" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
908 case ":${CT_TARGET_VENDOR}:${CT_TARGET_ALIAS}:${__sed_alias}:" in
909 :*" "*:*:*:) CT_Abort "Don't use spaces in the vendor string, it breaks things.";;
910 :*"-"*:*:*:) CT_Abort "Don't use dashes in the vendor string, it breaks things.";;
911 :*:*" "*:*:) CT_Abort "Don't use spaces in the target alias, it breaks things.";;
912 :*:*:*" "*:) CT_Abort "Don't use spaces in the target sed transform, it breaks things.";;
916 CT_TARGET=$(CT_DoConfigSub "${CT_TARGET}")
917 # Prepare the target CFLAGS
918 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ENDIAN_CFLAG}"
919 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ARCH_CFLAG}"
920 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ABI_CFLAG}"
921 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_CPU_CFLAG}"
922 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_TUNE_CFLAG}"
923 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FPU_CFLAG}"
924 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FLOAT_CFLAG}"
926 # Now on for the target LDFLAGS
927 CT_ARCH_TARGET_LDFLAGS="${CT_ARCH_TARGET_LDFLAGS} ${CT_ARCH_ENDIAN_LDFLAG}"
930 # This function does pause the build until the user strikes "Return"
931 # Usage: CT_DoPause [optional_message]
934 local message="${1:-Pausing for your pleasure}"
935 CT_DoLog INFO "${message}"
936 read -p "Press 'Enter' to continue, or Ctrl-C to stop..." foo >&6
940 # This function creates a tarball of the specified directory, but
942 # Usage: CT_DoTarballIfExists <dir> <tarball_basename> [extra_tar_options [...]]
943 CT_DoTarballIfExists() {
947 local -a extra_tar_opts=( "$@" )
950 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
951 y) compress=( gzip -c -3 - ); tar_ext=.gz;;
952 *) compress=( cat - ); tar_ext=;;
955 if [ -d "${dir}" ]; then
956 CT_DoLog DEBUG " Saving '${dir}'"
957 { tar c -C "${dir}" -v -f - "${extra_tar_opts[@]}" . \
958 |"${compress[@]}" >"${tarball}.tar${tar_ext}" ;
959 } 2>&1 |sed -r -e 's/^/ /;' |CT_DoLog STATE
961 CT_DoLog STATE " Not saving '${dir}': does not exist"
965 # This function extracts a tarball to the specified directory, but
966 # only if the tarball exists
967 # Usage: CT_DoExtractTarballIfExists <tarball_basename> <dir> [extra_tar_options [...]]
968 CT_DoExtractTarballIfExists() {
972 local -a extra_tar_opts=( "$@" )
975 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
976 y) uncompress=( gzip -c -d ); tar_ext=.gz;;
977 *) uncompress=( cat ); tar_ext=;;
980 if [ -f "${tarball}.tar${tar_ext}" ]; then
981 CT_DoLog DEBUG " Restoring '${dir}'"
982 CT_DoForceRmdir "${dir}"
983 CT_DoExecLog DEBUG mkdir -p "${dir}"
984 { "${uncompress[@]}" "${tarball}.tar${tar_ext}" \
985 |tar x -C "${dir}" -v -f - "${extra_tar_opts[@]}" ;
986 } 2>&1 |sed -r -e 's/^/ /;' |CT_DoLog STATE
988 CT_DoLog STATE " Not restoring '${dir}': does not exist"
992 # This function saves the state of the toolchain to be able to restart
994 # Usage: CT_DoSaveState <next_step_name>
996 [ "${CT_DEBUG_CT_SAVE_STEPS}" = "y" ] || return 0
997 local state_name="$1"
998 local state_dir="${CT_STATE_DIR}/${state_name}"
1000 # Log this to the log level required by the user
1001 CT_DoLog ${CT_LOG_LEVEL_MAX} "Saving state to restart at step '${state_name}'..."
1003 rm -rf "${state_dir}"
1004 mkdir -p "${state_dir}"
1006 CT_DoLog STATE " Saving environment and aliases"
1007 # We must omit shell functions, and some specific bash variables
1008 # that break when restoring the environment, later. We could do
1009 # all the processing in the awk script, but a sed is easier...
1012 $0~/^[^ ]+ \(\)/ { _p = 0; }
1014 $0 == "}" { _p = 1; }
1015 ' |sed -r -e '/^BASH_(ARGC|ARGV|LINENO|SOURCE|VERSINFO)=/d;
1017 /^(FUNCNAME|GROUPS|PPID|SHELLOPTS)=/d;' >"${state_dir}/env.sh"
1019 if [ "${CT_COMPLIBS_BACKUP}" = "y" ]; then
1020 CT_DoTarballIfExists "${CT_COMPLIBS_DIR}" "${state_dir}/complibs_dir"
1022 CT_DoTarballIfExists "${CT_BUILDTOOLS_PREFIX_DIR}" "${state_dir}/buildtools_dir"
1023 CT_DoTarballIfExists "${CT_CONFIG_DIR}" "${state_dir}/config_dir"
1024 CT_DoTarballIfExists "${CT_CC_CORE_STATIC_PREFIX_DIR}" "${state_dir}/cc_core_static_prefix_dir"
1025 CT_DoTarballIfExists "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${state_dir}/cc_core_shared_prefix_dir"
1026 CT_DoTarballIfExists "${CT_PREFIX_DIR}" "${state_dir}/prefix_dir" --exclude '*.log'
1028 CT_DoLog STATE " Saving log file"
1030 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
1031 y) gzip -3 -c "${tmp_log_file}" >"${state_dir}/log.gz";;
1032 *) cat "${tmp_log_file}" >"${state_dir}/log";;
1034 exec >>"${tmp_log_file}"
1037 # This function restores a previously saved state
1038 # Usage: CT_DoLoadState <state_name>
1040 local state_name="$1"
1041 local state_dir="${CT_STATE_DIR}/${state_name}"
1042 local old_RESTART="${CT_RESTART}"
1043 local old_STOP="${CT_STOP}"
1045 CT_TestOrAbort "The previous build did not reach the point where it could be restarted at '${CT_RESTART}'" -d "${state_dir}"
1047 # We need to do something special with the log file!
1048 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
1049 exec >"${state_dir}/tail.log"
1052 # Log this to the log level required by the user
1053 CT_DoLog ${CT_LOG_LEVEL_MAX} "Restoring state at step '${state_name}', as requested."
1055 CT_DoExtractTarballIfExists "${state_dir}/prefix_dir" "${CT_PREFIX_DIR}"
1056 CT_DoExtractTarballIfExists "${state_dir}/cc_core_shared_prefix_dir" "${CT_CC_CORE_SHARED_PREFIX_DIR}"
1057 CT_DoExtractTarballIfExists "${state_dir}/cc_core_static_prefix_dir" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
1058 CT_DoExtractTarballIfExists "${state_dir}/config_dir" "${CT_CONFIG_DIR}"
1059 CT_DoExtractTarballIfExists "${state_dir}/buildtools_dir" "${CT_BUILDTOOLS_PREFIX_DIR}"
1060 if [ "${CT_COMPLIBS_BACKUP}" = "y" ]; then
1061 CT_DoExtractTarballIfExists "${state_dir}/complibs_dir" "${CT_COMPLIBS_DIR}"
1064 # Restore the environment, discarding any error message
1065 # (for example, read-only bash internals)
1066 CT_DoLog STATE " Restoring environment"
1067 . "${state_dir}/env.sh" >/dev/null 2>&1 || true
1069 # Restore the new RESTART and STOP steps
1070 CT_RESTART="${old_RESTART}"
1071 CT_STOP="${old_STOP}"
1072 unset old_stop old_restart
1074 CT_DoLog STATE " Restoring log file"
1076 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
1077 y) zcat "${state_dir}/log.gz" >"${tmp_log_file}";;
1078 *) cat "${state_dir}/log" >"${tmp_log_file}";;
1080 cat "${state_dir}/tail.log" >>"${tmp_log_file}"
1081 exec >>"${tmp_log_file}"
1082 rm -f "${state_dir}/tail.log"