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 >>"${tmp_log_file}"
47 # The different log levels:
55 # Make it easy to use \n
58 # A function to log what is happening
59 # Different log level are available:
60 # - ERROR: A serious, fatal error occurred
61 # - WARN: A non fatal, non serious error occurred, take your responsbility with the generated build
62 # - INFO: Informational messages
63 # - EXTRA: Extra informational messages
64 # - DEBUG: Debug messages
65 # - ALL: Component's build messages
66 # Usage: CT_DoLog <level> [message]
67 # If message is empty, then stdin will be logged.
69 local max_level LEVEL level cur_l cur_L
71 eval max_level="\${CT_LOG_LEVEL_${CT_LOG_LEVEL_MAX}}"
72 # Set the maximum log level to DEBUG if we have none
73 [ -z "${max_level}" ] && max_level=${CT_LOG_LEVEL_DEBUG}
76 eval level="\${CT_LOG_LEVEL_${LEVEL}}"
82 fi |( IFS="${CR}" # We want the full lines, even leading spaces
88 indent=$((2*CT_STEP_COUNT))
90 case "${CT_LOG_SEE_TOOLS_WARN},${line}" in
91 y,*"warning:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
92 y,*"WARNING:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
93 *"error:"*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
94 *"make["*"]: *** ["*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
95 *) cur_L="${LEVEL}"; cur_l="${level}";;
97 # There will always be a log file (stdout, fd #1), be it /dev/null
98 printf "[%-5s]%*s%s%s\n" "${cur_L}" "${indent}" " " "${line}"
99 if [ ${cur_l} -le ${max_level} ]; then
100 # Only print to console (fd #6) if log level is high enough.
101 printf "\r[%-5s]%*s%s%s\n" "${cur_L}" "${indent}" " " "${line}" >&6
103 if [ "${CT_LOG_PROGRESS_BAR}" = "y" ]; then
104 printf "\r[%02d:%02d] %s " $((SECONDS/60)) $((SECONDS%60)) "${_prog_bar[$((_prog_bar_cpt/10))]}" >&6
105 _prog_bar_cpt=$(((_prog_bar_cpt+1)%40))
113 # Execute an action, and log its messages
114 # Usage: CT_DoExecLog <level> <[VAR=val...] command [parameters...]>
118 CT_DoLog DEBUG "==> Executing: '${@}'"
119 "${@}" 2>&1 |CT_DoLog "${level}"
122 # Tail message to be logged whatever happens
123 # Usage: CT_DoEnd <level>
127 CT_STOP_DATE=$(CT_DoDate +%s%N)
128 CT_STOP_DATE_HUMAN=$(CT_DoDate +%Y%m%d.%H%M%S)
129 if [ "${level}" != "ERROR" ]; then
130 CT_DoLog "${level:-INFO}" "Build completed at ${CT_STOP_DATE_HUMAN}"
132 elapsed=$((CT_STOP_DATE-CT_STAR_DATE))
133 elapsed_min=$((elapsed/(60*1000*1000*1000)))
134 elapsed_sec=$(printf "%02d" $(((elapsed%(60*1000*1000*1000))/(1000*1000*1000))))
135 elapsed_csec=$(printf "%02d" $(((elapsed%(1000*1000*1000))/(10*1000*1000))))
136 CT_DoLog ${level:-INFO} "(elapsed: ${elapsed_min}:${elapsed_sec}.${elapsed_csec})"
139 # Abort the execution with an error message
140 # Usage: CT_Abort <message>
146 # Test a condition, and print a message if satisfied
147 # Usage: CT_Test <message> <tests>
152 test "$@" && CT_DoLog WARN "$m"
156 # Test a condition, and abort with an error message if satisfied
157 # Usage: CT_TestAndAbort <message> <tests>
161 test "$@" && CT_Abort "$m"
165 # Test a condition, and abort with an error message if not satisfied
166 # Usage: CT_TestAndAbort <message> <tests>
170 test "$@" || CT_Abort "$m"
174 # Test the presence of a tool, or abort if not found
175 # Usage: CT_HasOrAbort <tool>
177 CT_TestAndAbort "'${1}' not found and needed for successful toolchain build." -z "$(CT_Which "${1}")"
181 # Search a program: wrap "which" for those system where
182 # "which" verbosely says there is no match (Mdk are such
184 # Usage: CT_Which <filename>
186 which "$1" 2>/dev/null || true
189 # Get current date with nanosecond precision
190 # On those system not supporting nanosecond precision, faked with rounding down
191 # to the highest entire second
192 # Usage: CT_DoDate <fmt>
194 date "$1" |sed -r -e 's/%N$/000000000/;'
198 CT_STEP_MESSAGE[${CT_STEP_COUNT}]="<none>"
199 # Memorise a step being done so that any error is caught
200 # Usage: CT_DoStep <loglevel> <message>
202 local start=$(CT_DoDate +%s%N)
203 CT_DoLog "$1" "================================================================="
205 CT_STEP_COUNT=$((CT_STEP_COUNT+1))
206 CT_STEP_LEVEL[${CT_STEP_COUNT}]="$1"; shift
207 CT_STEP_START[${CT_STEP_COUNT}]="${start}"
208 CT_STEP_MESSAGE[${CT_STEP_COUNT}]="$1"
212 # End the step just being done
215 local stop=$(CT_DoDate +%s%N)
216 local duration=$(printf "%032d" $((stop-${CT_STEP_START[${CT_STEP_COUNT}]})) |sed -r -e 's/([[:digit:]]{2})[[:digit:]]{7}$/\.\1/; s/^0+//; s/^\./0\./;')
217 local elapsed=$(printf "%02d:%02d" $((SECONDS/60)) $((SECONDS%60)))
218 local level="${CT_STEP_LEVEL[${CT_STEP_COUNT}]}"
219 local message="${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}"
220 CT_STEP_COUNT=$((CT_STEP_COUNT-1))
221 CT_DoLog "${level}" "${message}: done in ${duration}s (at ${elapsed})"
225 # Pushes into a directory, and pops back
227 pushd "$1" >/dev/null 2>&1
233 # Makes a path absolute
234 # Usage: CT_MakeAbsolutePath path
235 CT_MakeAbsolutePath() {
236 # Try to cd in that directory
242 # No such directory, fail back to guessing
245 *) echo "$(pwd)/$1";;
252 # Creates a temporary directory
253 # $1: variable to assign to
254 # Usage: CT_MktempDir foo
256 # Some mktemp do not allow more than 6 Xs
257 eval "$1"=$(mktemp -q -d "${CT_BUILD_DIR}/.XXXXXX")
258 CT_TestOrAbort "Could not make temporary directory" -n "${!1}" -a -d "${!1}"
259 CT_DoLog DEBUG "Made temporary directory '${!1}'"
263 # Echoes the specified string on stdout until the pipe breaks.
266 # Usage: CT_DoYes "" |make oldconfig
271 # Get the file name extension of a component
272 # Usage: CT_GetFileExtension <component_name-component_version> [extension]
273 # If found, echoes the extension to stdout
274 # If not found, echoes nothing on stdout.
275 CT_GetFileExtension() {
281 CT_Pushd "${CT_TARBALLS_DIR}"
282 # we need to also check for an empty extension for those very
283 # peculiar components that don't have one (such as sstrip from
285 for ext in ${first_ext} .tar.gz .tar.bz2 .tgz .tar ''; do
286 if [ -f "${file}${ext}" ]; then
296 # Set environment for proxy access
297 # Usage: CT_DoSetProxy <proxy_type>
298 # where proxy_type is one of 'http', 'sockssys', 'socks4' or 'socks5',
299 # or empty (to not change proxy settings).
304 case "${CT_PROXY_USER}:${CT_PROXY_PASS}" in
306 :*) http_proxy="${http_proxy}:${CT_PROXY_PASS}@";;
307 *:) http_proxy="${http_proxy}${CT_PROXY_USER}@";;
308 *:*) http_proxy="${http_proxy}${CT_PROXY_USER}:${CT_PROXY_PASS}@";;
310 export http_proxy="${http_proxy}${CT_PROXY_HOST}:${CT_PROXY_PORT}/"
311 export https_proxy="${http_proxy}"
312 export ftp_proxy="${http_proxy}"
313 CT_DoLog DEBUG "http_proxy='${http_proxy}'"
320 # Remove any lingering config file from any previous run
321 rm -f "${CT_BUILD_DIR}/tsocks.conf"
322 # Find all interfaces and build locally accessible networks
323 server_ip=$(ping -c 1 -W 2 "${CT_PROXY_HOST}" |head -n 1 |sed -r -e 's/^[^\(]+\(([^\)]+)\).*$/\1/;' || true)
324 CT_TestOrAbort "SOCKS proxy '${CT_PROXY_HOST}' has no IP." -n "${server_ip}"
325 /sbin/ifconfig |gawk -v server_ip="${server_ip}" '
327 split( server_ip, tmp, "\\." );
328 server_ip_num = tmp[1] * 2^24 + tmp[2] * 2^16 + tmp[3] * 2^8 + tmp[4] * 2^0;
332 $0 ~ /^[[:space:]]*inet addr:/ {
333 split( $2, tmp, ":|\\." );
334 if( ( tmp[2] == 127 ) && ( tmp[3] == 0 ) && ( tmp[4] == 0 ) && ( tmp[5] == 1 ) ) {
335 /* Skip 127.0.0.1, it'\''s taken care of by tsocks itself */
338 ip_num = tmp[2] * 2^24 + tmp[3] * 2^16 + tmp[4] * 2 ^8 + tmp[5] * 2^0;
343 } while( (i!=0) && ( and( server_ip_num, mask ) == and( ip_num, mask ) ) );
344 mask = and( 0xFFFFFFFF, lshift( mask, 1 ) );
345 if( (i!=0) && (mask!=0) ) {
346 masked_ip = and( ip_num, mask );
347 for( i=0; i<pairs; i++ ) {
348 if( ( masked_ip == ips[i] ) && ( mask == masks[i] ) ) {
352 ips[pairs] = masked_ip;
355 printf( "local = %d.%d.%d.%d/%d.%d.%d.%d\n",
356 and( 0xFF, masked_ip / 2^24 ),
357 and( 0xFF, masked_ip / 2^16 ),
358 and( 0xFF, masked_ip / 2^8 ),
359 and( 0xFF, masked_ip / 2^0 ),
360 and( 0xFF, mask / 2^24 ),
361 and( 0xFF, mask / 2^16 ),
362 and( 0xFF, mask / 2^8 ),
363 and( 0xFF, mask / 2^0 ) );
366 ' >"${CT_BUILD_DIR}/tsocks.conf"
367 ( echo "server = ${server_ip}";
368 echo "server_port = ${CT_PROXY_PORT}";
369 [ -n "${CT_PROXY_USER}" ] && echo "default_user=${CT_PROXY_USER}";
370 [ -n "${CT_PROXY_PASS}" ] && echo "default_pass=${CT_PROXY_PASS}";
371 ) >>"${CT_BUILD_DIR}/tsocks.conf"
372 case "${CT_PROXY_TYPE/socks}" in
373 4|5) proxy_type="${CT_PROXY_TYPE/socks}";;
375 reply=$(inspectsocks "${server_ip}" "${CT_PROXY_PORT}" 2>&1 || true)
377 *"server is a version 4 socks server") proxy_type=4;;
378 *"server is a version 5 socks server") proxy_type=5;;
379 *) CT_Abort "Unable to determine SOCKS proxy type for '${CT_PROXY_HOST}:${CT_PROXY_PORT}'"
383 echo "server_type = ${proxy_type}" >> "${CT_BUILD_DIR}/tsocks.conf"
385 # If tsocks was found, then validateconf is present (distributed with tsocks).
386 CT_DoExecLog DEBUG validateconf -f "${CT_BUILD_DIR}/tsocks.conf"
387 export TSOCKS_CONF_FILE="${CT_BUILD_DIR}/tsocks.conf"
393 # Download an URL using wget
394 # Usage: CT_DoGetFileWget <URL>
396 # Need to return true because it is legitimate to not find the tarball at
397 # some of the provided URLs (think about snapshots, different layouts for
398 # different gcc versions, etc...)
399 # Some (very old!) FTP server might not support the passive mode, thus
401 # With automated download as we are doing, it can be very dangerous to use
402 # -c to continue the downloads. It's far better to simply overwrite the
404 # Some company networks have firewalls to connect to the internet, but it's
405 # not easy to detect them, and wget does not timeout by default while
406 # connecting, so force a global ${CT_CONNECT_TIMEOUT}-second timeout.
407 wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 --passive-ftp "$1" \
408 || wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 "$1" \
412 # Download an URL using curl
413 # Usage: CT_DoGetFileCurl <URL>
415 # Note: comments about wget method (above) are also valid here
416 # Plus: no good progress indicator is available with curl,
417 # so output is consigned to oblivion
418 curl --ftp-pasv -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} >/dev/null \
419 || curl -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} >/dev/null \
423 _wget=$(CT_Which wget)
424 _curl=$(CT_Which curl)
425 # Wrapper function to call one of curl or wget
426 # Usage: CT_DoGetFile <URL>
428 case "${_wget},${_curl}" in
429 ,) CT_DoError "Could find neither wget nor curl";;
430 ,*) CT_DoExecLog ALL CT_DoGetFileCurl "$1" 2>&1;;
431 *) CT_DoExecLog ALL CT_DoGetFileWget "$1" 2>&1;;
435 # Download the file from one of the URLs passed as argument
436 # Usage: CT_GetFile <filename> [extension] <url> [url ...]
443 # If next argument starts with a dot, then this is not an URL,
444 # and we can consider that it is a preferred extension.
451 # Do we already have it?
452 ext=$(CT_GetFileExtension "${file}" ${first_ext})
453 if [ -n "${ext}" ]; then
454 CT_DoLog DEBUG "Already have '${file}'"
458 # Try to retrieve the file
459 CT_DoLog EXTRA "Retrieving '${file}'"
460 CT_Pushd "${CT_TARBALLS_DIR}"
462 if [ -n "${CT_LOCAL_TARBALLS_DIR}" ]; then
463 CT_DoLog DEBUG "Trying to retrieve an already downloaded copy of '${file}'"
464 # We'd rather have a bzip2'ed tarball, then gzipped tarball, plain tarball,
465 # or, as a failover, a file without extension.
466 # Try local copy first, if it exists
467 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
468 CT_DoLog DEBUG "Trying '${CT_LOCAL_TARBALLS_DIR}/${file}${ext}'"
469 if [ -r "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" -a \
470 "${CT_FORCE_DOWNLOAD}" != "y" ]; then
471 CT_DoLog DEBUG "Got '${file}' from local storage"
472 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}"
478 # Not found locally, try from the network
480 # Add URLs on the LAN mirror
482 if [ "${CT_USE_MIRROR}" = "y" ]; then
483 CT_DoLog DEBUG "Trying to retrieve a copy of '${file}' from LAN mirror '${CT_MIRROR_HOSTNAME}'"
484 CT_TestOrAbort "Please set the LAN mirror hostname" -n "${CT_MIRROR_HOSTNAME}"
485 CT_TestOrAbort "Please tell me where to find tarballs on the LAN mirror '${CT_MIRROR_HOSTNAME}'" -n "${CT_MIRROR_BASE}"
486 LAN_URLS="${LAN_URLS} ${CT_MIRROR_SCHEME}://${CT_MIRROR_HOSTNAME}/${CT_MIRROR_BASE}/${file%-*}"
487 LAN_URLS="${LAN_URLS} ${CT_MIRROR_SCHEME}://${CT_MIRROR_HOSTNAME}/${CT_MIRROR_BASE}"
490 if [ "${CT_PREFER_MIRROR}" = "y" ]; then
491 URLS="${LAN_URLS} ${@}"
493 URLS="${@} ${LAN_URLS}"
496 # Scan all URLs in turn, and try to grab a tarball from there
497 CT_DoSetProxy ${CT_PROXY_TYPE}
498 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
499 # Try all urls in turn
500 for url in ${URLS}; do
501 CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
502 CT_DoGetFile "${url}/${file}${ext}"
503 if [ -f "${file}${ext}" ]; then
504 CT_DoLog DEBUG "Got '${file}' from the Internet"
505 if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
506 # The file may already exist if downloads are forced: remove it first
507 CT_DoLog EXTRA "Saving '${file}' to local storage"
508 CT_DoExecLog ALL rm -f "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}"
509 CT_DoExecLog ALL mv -f "${file}${ext}" "${CT_LOCAL_TARBALLS_DIR}"
510 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}"
518 CT_Abort "Could not retrieve '${file}'."
521 # Extract a tarball and patch the resulting sources if necessary.
522 # Some tarballs need to be extracted in specific places. Eg.: glibc addons
523 # must be extracted in the glibc directory; uCLibc locales must be extracted
524 # in the extra/locale sub-directory of uClibc.
525 CT_ExtractAndPatch() {
527 local base_file=$(echo "${file}" |cut -d - -f 1)
528 local ver_file=$(echo "${file}" |cut -d - -f 2-)
529 local official_patch_dir
530 local custom_patch_dir
532 local ext=$(CT_GetFileExtension "${file}")
533 CT_TestAndAbort "'${file}' not found in '${CT_TARBALLS_DIR}'" -z "${ext}"
534 local full_file="${CT_TARBALLS_DIR}/${file}${ext}"
536 CT_Pushd "${CT_SRC_DIR}"
538 # Add-ons need a little love, really.
540 glibc-[a-z]*-*|eglibc-[a-z]*-*)
541 CT_TestAndAbort "Trying to extract the C-library addon/locales '${file}' when C-library not yet extracted" ! -d "${CT_LIBC_FILE}"
544 [ -f ".${file}.extracted" ] && return 0
545 touch ".${file}.extracted"
548 CT_TestAndAbort "Trying to extract the C-library addon/locales '${file}' when C-library not yet extracted" ! -d "${CT_LIBC_FILE}"
549 cd "${CT_LIBC_FILE}/extra/locale"
551 [ -f ".${file}.extracted" ] && return 0
552 touch ".${file}.extracted"
556 # If the directory exists, then consider extraction and patching done
557 if [ -d "${file}" ]; then
558 CT_DoLog DEBUG "Already extracted '${file}'"
562 CT_DoLog EXTRA "Extracting and patching '${file}'"
564 .tar.bz2) CT_DoExecLog ALL tar xvjf "${full_file}";;
565 .tar.gz|.tgz) CT_DoExecLog ALL tar xvzf "${full_file}";;
566 .tar) CT_DoExecLog ALL tar xvf "${full_file}";;
567 *) CT_Abort "Don't know how to handle '${file}': unknown extension" ;;
570 # Snapshots might not have the version number in the extracted directory
571 # name. This is also the case for some (odd) packages, such as D.U.M.A.
572 # Overcome this issue by symlink'ing the directory.
573 if [ ! -d "${file}" -a "${libc_addon}" != "y" ]; then
575 .tar.bz2) base=$(tar tjf "${full_file}" |head -n 1 |cut -d / -f 1 || true);;
576 .tar.gz|.tgz) base=$(tar tzf "${full_file}" |head -n 1 |cut -d / -f 1 || true);;
577 .tar) base=$(tar tf "${full_file}" |head -n 1 |cut -d / -f 1 || true);;
579 CT_TestOrAbort "There was a problem when extracting '${file}'" -d "${base}" -o "${base}" != "${file}"
580 ln -s "${base}" "${file}"
583 # Kludge: outside this function, we wouldn't know if we had just extracted
584 # a libc addon, or a plain package. Apply patches now.
585 if [ "${libc_addon}" = "y" ]; then
586 # Some addon tarballs directly contain the correct addon directory,
587 # while others have the addon directory named after the tarball.
588 # Fix that by always using the short name (eg: linuxthreads, ports, etc...)
589 addon_short_name=$(echo "${file}" |sed -r -e 's/^[^-]+-([^-]+)-.*$/\1/;')
590 if [ ! -d "${addon_short_name}" ]; then
591 mv "${file}" "${addon_short_name}"
592 # Keep a symlink to avoid re-extracting later on.
593 ln -s "${addon_short_name}" "${file}"
595 # If libc addon, we're already in the correct place
602 [ "${CT_CUSTOM_PATCH_ONLY}" = "y" ] || official_patch_dir="${CT_LIB_DIR}/patches/${base_file}/${ver_file}"
603 [ "${CT_CUSTOM_PATCH}" = "y" ] && custom_patch_dir="${CT_CUSTOM_PATCH_DIR}/${base_file}/${ver_file}"
604 for patch_dir in "${official_patch_dir}" "${custom_patch_dir}"; do
605 if [ -n "${patch_dir}" -a -d "${patch_dir}" ]; then
606 for p in "${patch_dir}"/*.patch; do
607 if [ -f "${p}" ]; then
608 CT_DoLog DEBUG "Applying patch '${p}'"
609 CT_DoExecLog ALL patch -g0 -F1 -p1 -f <"${p}"
610 CT_TestAndAbort "Failed while applying patch file '${p}'" ${PIPESTATUS[0]} -ne 0
616 if [ "${CT_OVERIDE_CONFIG_GUESS_SUB}" = "y" ]; then
617 CT_DoLog ALL "Overiding config.guess and config.sub"
618 for cfg in config_guess config_sub; do
619 eval ${cfg}="${CT_LIB_DIR}/tools/${cfg/_/.}"
620 [ -e "${CT_TOP_DIR}/tools/${cfg/_/.}" ] && eval ${cfg}="${CT_TOP_DIR}/tools/${cfg/_/.}"
621 # Can't use CT_DoExecLog because of the '{} \;' to be passed un-mangled to find
622 find . -type f -name "${cfg/_/.}" -exec cp -v "${!cfg}" {} \; |CT_DoLog ALL
629 # Two wrappers to call config.(guess|sub) either from CT_TOP_DIR or CT_LIB_DIR.
630 # Those from CT_TOP_DIR, if they exist, will be be more recent than those from CT_LIB_DIR.
632 if [ -x "${CT_TOP_DIR}/tools/config.guess" ]; then
633 "${CT_TOP_DIR}/tools/config.guess"
635 "${CT_LIB_DIR}/tools/config.guess"
640 if [ -x "${CT_TOP_DIR}/tools/config.sub" ]; then
641 "${CT_TOP_DIR}/tools/config.sub" "$@"
643 "${CT_LIB_DIR}/tools/config.sub" "$@"
647 # Compute the target tuple from what is provided by the user
648 # Usage: CT_DoBuildTargetTuple
649 # In fact this function takes the environment variables to build the target
650 # tuple. It is needed both by the normal build sequence, as well as the
651 # sample saving sequence.
652 CT_DoBuildTargetTuple() {
653 # Set the endianness suffix, and the default endianness gcc option
654 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
655 y,) target_endian_eb=eb
657 CT_ARCH_ENDIAN_CFLAG="-mbig-endian"
658 CT_ARCH_ENDIAN_LDFLAG="-EB"
660 ,y) target_endian_eb=
662 CT_ARCH_ENDIAN_CFLAG="-mlittle-endian"
663 CT_ARCH_ENDIAN_LDFLAG="-EL"
667 # Build the default architecture tuple part
668 CT_TARGET_ARCH="${CT_ARCH}"
670 # Set defaults for the system part of the tuple. Can be overriden
671 # by architecture-specific values.
673 none) CT_TARGET_SYS=elf;;
674 *glibc) CT_TARGET_SYS=gnu;;
675 uClibc) CT_TARGET_SYS=uclibc;;
678 # Transform the ARCH into a kernel-understandable ARCH
679 CT_KERNEL_ARCH="${CT_ARCH}"
681 # Set the default values for ARCH, ABI, CPU, TUNE, FPU and FLOAT
682 unset CT_ARCH_ARCH_CFLAG CT_ARCH_ABI_CFLAG CT_ARCH_CPU_CFLAG CT_ARCH_TUNE_CFLAG CT_ARCH_FPU_CFLAG CT_ARCH_FLOAT_CFLAG
683 unset CT_ARCH_WITH_ARCH CT_ARCH_WITH_ABI CT_ARCH_WITH_CPU CT_ARCH_WITH_TUNE CT_ARCH_WITH_FPU CT_ARCH_WITH_FLOAT
684 [ "${CT_ARCH_ARCH}" ] && { CT_ARCH_ARCH_CFLAG="-march=${CT_ARCH_ARCH}"; CT_ARCH_WITH_ARCH="--with-arch=${CT_ARCH_ARCH}"; }
685 [ "${CT_ARCH_ABI}" ] && { CT_ARCH_ABI_CFLAG="-mabi=${CT_ARCH_ABI}"; CT_ARCH_WITH_ABI="--with-abi=${CT_ARCH_ABI}"; }
686 [ "${CT_ARCH_CPU}" ] && { CT_ARCH_CPU_CFLAG="-mcpu=${CT_ARCH_CPU}"; CT_ARCH_WITH_CPU="--with-cpu=${CT_ARCH_CPU}"; }
687 [ "${CT_ARCH_TUNE}" ] && { CT_ARCH_TUNE_CFLAG="-mtune=${CT_ARCH_TUNE}"; CT_ARCH_WITH_TUNE="--with-tune=${CT_ARCH_TUNE}"; }
688 [ "${CT_ARCH_FPU}" ] && { CT_ARCH_FPU_CFLAG="-mfpu=${CT_ARCH_FPU}"; CT_ARCH_WITH_FPU="--with-fpu=${CT_ARCH_FPU}"; }
689 [ "${CT_ARCH_FLOAT_SW}" ] && { CT_ARCH_FLOAT_CFLAG="-msoft-float"; CT_ARCH_WITH_FLOAT="--with-float=soft"; }
691 # Build the default kernel tuple part
692 CT_TARGET_KERNEL="${CT_KERNEL}"
694 # Overide the default values with the components specific settings
696 CT_DoKernelTupleValues
698 # Finish the target tuple construction
699 CT_TARGET=$(CT_DoConfigSub "${CT_TARGET_ARCH}-${CT_TARGET_VENDOR:-unknown}-${CT_TARGET_KERNEL}${CT_TARGET_KERNEL:+-}${CT_TARGET_SYS}")
701 # Prepare the target CFLAGS
702 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ENDIAN_CFLAG}"
703 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ARCH_CFLAG}"
704 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ABI_CFLAG}"
705 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_CPU_CFLAG}"
706 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_TUNE_CFLAG}"
707 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FPU_CFLAG}"
708 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FLOAT_CFLAG}"
710 # Now on for the target LDFLAGS
711 CT_ARCH_TARGET_LDFLAGS="${CT_ARCH_TARGET_LDFLAGS} ${CT_ARCH_ENDIAN_LDFLAG}"
714 # This function does pause the build until the user strikes "Return"
715 # Usage: CT_DoPause [optional_message]
718 local message="${1:-Pausing for your pleasure}"
719 CT_DoLog INFO "${message}"
720 read -p "Press 'Enter' to continue, or Ctrl-C to stop..." foo >&6
724 # This function saves the state of the toolchain to be able to restart
726 # Usage: CT_DoSaveState <next_step_name>
728 [ "${CT_DEBUG_CT_SAVE_STEPS}" = "y" ] || return 0
729 local state_name="$1"
730 local state_dir="${CT_STATE_DIR}/${state_name}"
732 CT_DoLog DEBUG "Saving state to restart at step '${state_name}'..."
733 rm -rf "${state_dir}"
734 mkdir -p "${state_dir}"
736 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
737 y) tar_opt=z; tar_ext=.gz;;
738 *) tar_opt=; tar_ext=;;
741 CT_DoLog DEBUG " Saving environment and aliases"
742 # We must omit shell functions, and some specific bash variables
743 # that break when restoring the environment, later. We could do
744 # all the processing in the gawk script, but a sed is easier...
747 $0~/^[^ ]+ \(\)/ { _p = 0; }
749 $0 == "}" { _p = 1; }
750 ' |sed -r -e '/^BASH_(ARGC|ARGV|LINENO|SOURCE|VERSINFO)=/d;
752 /^(FUNCNAME|GROUPS|PPID|SHELLOPTS)=/d;' >"${state_dir}/env.sh"
754 CT_DoLog DEBUG " Saving CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
755 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
756 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}" .
759 CT_DoLog DEBUG " Saving CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
760 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
761 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}" .
764 CT_DoLog DEBUG " Saving CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
765 CT_Pushd "${CT_PREFIX_DIR}"
766 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}" --exclude '*.log' .
769 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
770 CT_DoLog DEBUG " Saving log file"
772 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
773 y) gzip -3 -c "${CT_LOG_FILE}" >"${state_dir}/log.gz";;
774 *) cat "${CT_LOG_FILE}" >"${state_dir}/log";;
776 exec >>"${CT_LOG_FILE}"
780 # This function restores a previously saved state
781 # Usage: CT_DoLoadState <state_name>
783 local state_name="$1"
784 local state_dir="${CT_STATE_DIR}/${state_name}"
785 local old_RESTART="${CT_RESTART}"
786 local old_STOP="${CT_STOP}"
788 CT_TestOrAbort "The previous build did not reach the point where it could be restarted at '${CT_RESTART}'" -d "${state_dir}"
790 # We need to do something special with the log file!
791 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
792 exec >"${state_dir}/tail.log"
794 CT_DoLog INFO "Restoring state at step '${state_name}', as requested."
796 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
797 y) tar_opt=z; tar_ext=.gz;;
798 *) tar_opt=; tar_ext=;;
801 CT_DoLog DEBUG " Removing previous build directories"
802 chmod -R u+rwX "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
803 rm -rf "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
804 mkdir -p "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
806 CT_DoLog DEBUG " Restoring CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
807 CT_Pushd "${CT_PREFIX_DIR}"
808 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}"
811 CT_DoLog DEBUG " Restoring CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
812 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
813 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}"
816 CT_DoLog DEBUG " Restoring CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
817 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
818 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}"
821 # Restore the environment, discarding any error message
822 # (for example, read-only bash internals)
823 CT_DoLog DEBUG " Restoring environment"
824 . "${state_dir}/env.sh" >/dev/null 2>&1 || true
826 # Restore the new RESTART and STOP steps
827 CT_RESTART="${old_RESTART}"
828 CT_STOP="${old_STOP}"
829 unset old_stop old_restart
831 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
832 CT_DoLog DEBUG " Restoring log file"
834 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
835 y) zcat "${state_dir}/log.gz" >"${CT_LOG_FILE}";;
836 *) cat "${state_dir}/log" >"${CT_LOG_FILE}";;
838 cat "${state_dir}/tail.log" >>"${CT_LOG_FILE}"
839 exec >>"${CT_LOG_FILE}"
840 rm -f "${state_dir}/tail.log"