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: CT_DoExecLog <level> <[VAR=val...] 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 (Mdk are such
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 # Echoes the specified string on stdout until the pipe breaks.
248 # Usage: CT_DoYes "" |make oldconfig
253 # Get the file name extension of a component
254 # Usage: CT_GetFileExtension <component_name-component_version> [extension]
255 # If found, echoes the extension to stdout
256 # If not found, echoes nothing on stdout.
257 CT_GetFileExtension() {
263 # we need to also check for an empty extension for those very
264 # peculiar components that don't have one (such as sstrip from
266 for ext in ${first_ext} .tar.gz .tar.bz2 .tgz .tar ''; do
267 if [ -f "${CT_TARBALLS_DIR}/${file}${ext}" ]; then
276 # Set environment for proxy access
277 # Usage: CT_DoSetProxy <proxy_type>
278 # where proxy_type is one of 'http', 'sockssys', 'socks4' or 'socks5',
279 # or empty (to not change proxy settings).
284 case "${CT_PROXY_USER}:${CT_PROXY_PASS}" in
286 :*) http_proxy="${http_proxy}:${CT_PROXY_PASS}@";;
287 *:) http_proxy="${http_proxy}${CT_PROXY_USER}@";;
288 *:*) http_proxy="${http_proxy}${CT_PROXY_USER}:${CT_PROXY_PASS}@";;
290 export http_proxy="${http_proxy}${CT_PROXY_HOST}:${CT_PROXY_PORT}/"
291 export https_proxy="${http_proxy}"
292 export ftp_proxy="${http_proxy}"
293 CT_DoLog DEBUG "http_proxy='${http_proxy}'"
300 # Remove any lingering config file from any previous run
301 rm -f "${CT_BUILD_DIR}/tsocks.conf"
302 # Find all interfaces and build locally accessible networks
303 server_ip=$(ping -c 1 -W 2 "${CT_PROXY_HOST}" |head -n 1 |sed -r -e 's/^[^\(]+\(([^\)]+)\).*$/\1/;' || true)
304 CT_TestOrAbort "SOCKS proxy '${CT_PROXY_HOST}' has no IP." -n "${server_ip}"
305 /sbin/ifconfig |gawk -v server_ip="${server_ip}" '
307 split( server_ip, tmp, "\\." );
308 server_ip_num = tmp[1] * 2^24 + tmp[2] * 2^16 + tmp[3] * 2^8 + tmp[4] * 2^0;
312 $0 ~ /^[[:space:]]*inet addr:/ {
313 split( $2, tmp, ":|\\." );
314 if( ( tmp[2] == 127 ) && ( tmp[3] == 0 ) && ( tmp[4] == 0 ) && ( tmp[5] == 1 ) ) {
315 /* Skip 127.0.0.1, it'\''s taken care of by tsocks itself */
318 ip_num = tmp[2] * 2^24 + tmp[3] * 2^16 + tmp[4] * 2 ^8 + tmp[5] * 2^0;
323 } while( (i!=0) && ( and( server_ip_num, mask ) == and( ip_num, mask ) ) );
324 mask = and( 0xFFFFFFFF, lshift( mask, 1 ) );
325 if( (i!=0) && (mask!=0) ) {
326 masked_ip = and( ip_num, mask );
327 for( i=0; i<pairs; i++ ) {
328 if( ( masked_ip == ips[i] ) && ( mask == masks[i] ) ) {
332 ips[pairs] = masked_ip;
335 printf( "local = %d.%d.%d.%d/%d.%d.%d.%d\n",
336 and( 0xFF, masked_ip / 2^24 ),
337 and( 0xFF, masked_ip / 2^16 ),
338 and( 0xFF, masked_ip / 2^8 ),
339 and( 0xFF, masked_ip / 2^0 ),
340 and( 0xFF, mask / 2^24 ),
341 and( 0xFF, mask / 2^16 ),
342 and( 0xFF, mask / 2^8 ),
343 and( 0xFF, mask / 2^0 ) );
346 ' >"${CT_BUILD_DIR}/tsocks.conf"
347 ( echo "server = ${server_ip}";
348 echo "server_port = ${CT_PROXY_PORT}";
349 [ -n "${CT_PROXY_USER}" ] && echo "default_user=${CT_PROXY_USER}";
350 [ -n "${CT_PROXY_PASS}" ] && echo "default_pass=${CT_PROXY_PASS}";
351 ) >>"${CT_BUILD_DIR}/tsocks.conf"
352 case "${CT_PROXY_TYPE/socks}" in
353 4|5) proxy_type="${CT_PROXY_TYPE/socks}";;
355 reply=$(inspectsocks "${server_ip}" "${CT_PROXY_PORT}" 2>&1 || true)
357 *"server is a version 4 socks server") proxy_type=4;;
358 *"server is a version 5 socks server") proxy_type=5;;
359 *) CT_Abort "Unable to determine SOCKS proxy type for '${CT_PROXY_HOST}:${CT_PROXY_PORT}'"
363 echo "server_type = ${proxy_type}" >> "${CT_BUILD_DIR}/tsocks.conf"
365 # If tsocks was found, then validateconf is present (distributed with tsocks).
366 CT_DoExecLog DEBUG validateconf -f "${CT_BUILD_DIR}/tsocks.conf"
367 export TSOCKS_CONF_FILE="${CT_BUILD_DIR}/tsocks.conf"
373 # Download an URL using wget
374 # Usage: CT_DoGetFileWget <URL>
376 # Need to return true because it is legitimate to not find the tarball at
377 # some of the provided URLs (think about snapshots, different layouts for
378 # different gcc versions, etc...)
379 # Some (very old!) FTP server might not support the passive mode, thus
381 # With automated download as we are doing, it can be very dangerous to use
382 # -c to continue the downloads. It's far better to simply overwrite the
384 # Some company networks have firewalls to connect to the internet, but it's
385 # not easy to detect them, and wget does not timeout by default while
386 # connecting, so force a global ${CT_CONNECT_TIMEOUT}-second timeout.
387 wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 --passive-ftp "$1" \
388 || wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 "$1" \
392 # Download an URL using curl
393 # Usage: CT_DoGetFileCurl <URL>
395 # Note: comments about wget method (above) are also valid here
396 # Plus: no good progress indicator is available with curl,
397 # so output is consigned to oblivion
398 curl --ftp-pasv -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} >/dev/null \
399 || curl -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} >/dev/null \
403 _wget=$(CT_Which wget)
404 _curl=$(CT_Which curl)
405 # Wrapper function to call one of curl or wget
406 # Usage: CT_DoGetFile <URL>
408 case "${_wget},${_curl}" in
409 ,) CT_Abort "Could find neither wget nor curl";;
410 ,*) CT_DoExecLog ALL CT_DoGetFileCurl "$1" 2>&1;;
411 *) CT_DoExecLog ALL CT_DoGetFileWget "$1" 2>&1;;
415 # This function tries to retrieve a tarball form a local directory
416 # Usage: CT_GetLocal <basename> [.extension]
422 # Do we already have it in *our* tarballs dir?
423 ext=$(CT_GetFileExtension "${basename}" ${first_ext})
424 if [ -n "${ext}" ]; then
425 CT_DoLog DEBUG "Already have '${basename}'"
429 if [ -n "${CT_LOCAL_TARBALLS_DIR}" ]; then
430 CT_DoLog DEBUG "Trying to retrieve an already downloaded copy of '${basename}'"
431 # We'd rather have a bzip2'ed tarball, then gzipped tarball, plain tarball,
432 # or, as a failover, a file without extension.
433 # Try local copy first, if it exists
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}" "${file}"
463 # Download the file from one of the URLs passed as argument
464 # Usage: CT_GetFile <basename> [.extension] <url> [url ...]
471 # If next argument starts with a dot, then this is not an URL,
472 # and we can consider that it is a preferred extension.
479 # Does it exist localy?
480 CT_GetLocal "${file}" ${first_ext} && return 0 || true
483 # Are downloads allowed ?
484 CT_TestAndAbort "File '${file}' not present locally, and downloads are not allowed" "${CT_FORBID_DOWNLOAD}" = "y"
486 # Try to retrieve the file
487 CT_DoLog EXTRA "Retrieving '${file}'"
488 CT_Pushd "${CT_TARBALLS_DIR}"
490 # Add URLs on the LAN mirror
492 if [ "${CT_USE_MIRROR}" = "y" ]; then
493 CT_TestOrAbort "Please set the LAN mirror hostname" -n "${CT_MIRROR_HOSTNAME}"
494 CT_TestOrAbort "Please tell me where to find tarballs on the LAN mirror '${CT_MIRROR_HOSTNAME}'" -n "${CT_MIRROR_BASE}"
495 LAN_URLS="${LAN_URLS} ${CT_MIRROR_SCHEME}://${CT_MIRROR_HOSTNAME}/${CT_MIRROR_BASE}/${file%-*}"
496 LAN_URLS="${LAN_URLS} ${CT_MIRROR_SCHEME}://${CT_MIRROR_HOSTNAME}/${CT_MIRROR_BASE}"
498 if [ "${CT_PREFER_MIRROR}" = "y" ]; then
499 CT_DoLog DEBUG "Pre-pending LAN mirror URLs"
500 URLS="${LAN_URLS} ${@}"
502 CT_DoLog DEBUG "Appending LAN mirror URLs"
503 URLS="${@} ${LAN_URLS}"
507 # Scan all URLs in turn, and try to grab a tarball from there
508 CT_DoSetProxy ${CT_PROXY_TYPE}
509 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
510 # Try all urls in turn
511 for url in ${URLS}; do
512 CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
513 CT_DoGetFile "${url}/${file}${ext}"
514 if [ -f "${file}${ext}" ]; then
515 CT_DoLog DEBUG "Got '${file}' from the Internet"
516 CT_SaveLocal "${CT_TARBALLS_DIR}/${file}${ext}"
523 CT_Abort "Could not retrieve '${file}'."
526 # Checkout from CVS, and build the associated tarball
527 # The tarball will be called ${basename}.tar.bz2
528 # Prerequisite: either the server does not require password,
529 # or the user must already be logged in.
530 # 'tag' is the tag to retrieve. Must be specified, but can be empty.
531 # If dirname is specified, then module will be renamed to dirname
532 # prior to building the tarball.
533 # Usage: CT_GetCVS <basename> <url> <module> <tag> [dirname]
538 local tag="${4:+-r ${4}}"
542 # Does it exist localy?
543 CT_GetLocal "${basename}" && return 0 || true
546 # Are downloads allowed ?
547 CT_TestAndAbort "File '${file}' not present locally, and downloads are not allowed" "${CT_FORBID_DOWNLOAD}" = "y"
549 CT_DoLog EXTRA "Retrieving '${basename}'"
552 CT_Pushd "${tmp_dir}"
554 CT_DoSetProxy ${CT_PROXY_TYPE}
555 CT_DoExecLog ALL cvs -z 9 -d "${uri}" co -P ${tag} "${module}"
556 [ -n "${dirname}" ] && CT_DoExecLog ALL mv "${module}" "${dirname}"
557 CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${basename}.tar.bz2" "${dirname:-${module}}"
558 CT_SaveLocal "${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}${ext}': unknown extension" ;;
594 touch "${CT_SRC_DIR}/.${basename}.extracted"
596 [ "${nochdir}" = "nochdir" ] || CT_Popd
599 # Patches the specified component
600 # Usage: CT_Patch <basename> [nochdir]
604 local base_file="${basename%%-*}"
605 local ver_file="${basename#*-}"
606 local official_patch_dir
607 local custom_patch_dir
609 # Check if already patched
610 if [ -e "${CT_SRC_DIR}/.${basename}.patched" ]; then
611 CT_DoLog DEBUG "Already patched '${basename}'"
615 [ "${nochdir}" = "nochdir" ] || CT_Pushd "${CT_SRC_DIR}/${basename}"
617 CT_DoLog EXTRA "Patching '${basename}'"
621 [ "${CT_CUSTOM_PATCH_ONLY}" = "y" ] || official_patch_dir="${CT_LIB_DIR}/patches/${base_file}/${ver_file}"
622 [ "${CT_CUSTOM_PATCH}" = "y" ] && custom_patch_dir="${CT_CUSTOM_PATCH_DIR}/${base_file}/${ver_file}"
623 for patch_dir in "${official_patch_dir}" "${custom_patch_dir}"; do
624 if [ -n "${patch_dir}" -a -d "${patch_dir}" ]; then
625 for p in "${patch_dir}"/*.patch; do
626 if [ -f "${p}" ]; then
627 CT_DoLog DEBUG "Applying patch '${p}'"
628 CT_DoExecLog ALL patch -g0 -F1 -p1 -f <"${p}"
629 CT_TestAndAbort "Failed while applying patch file '${p}'" ${PIPESTATUS[0]} -ne 0
635 if [ "${CT_OVERIDE_CONFIG_GUESS_SUB}" = "y" ]; then
636 CT_DoLog ALL "Overiding config.guess and config.sub"
637 for cfg in config_guess config_sub; do
638 eval ${cfg}="${CT_LIB_DIR}/scripts/${cfg/_/.}"
639 [ -e "${CT_TOP_DIR}/scripts/${cfg/_/.}" ] && eval ${cfg}="${CT_TOP_DIR}/scripts/${cfg/_/.}"
640 # Can't use CT_DoExecLog because of the '{} \;' to be passed un-mangled to find
641 find . -type f -name "${cfg/_/.}" -exec cp -v "${!cfg}" {} \; |CT_DoLog ALL
645 touch "${CT_SRC_DIR}/.${basename}.patched"
647 [ "${nochdir}" = "nochdir" ] || CT_Popd
650 # Two wrappers to call config.(guess|sub) either from CT_TOP_DIR or CT_LIB_DIR.
651 # Those from CT_TOP_DIR, if they exist, will be be more recent than those from CT_LIB_DIR.
653 if [ -x "${CT_TOP_DIR}/scripts/config.guess" ]; then
654 "${CT_TOP_DIR}/scripts/config.guess"
656 "${CT_LIB_DIR}/scripts/config.guess"
661 if [ -x "${CT_TOP_DIR}/scripts/config.sub" ]; then
662 "${CT_TOP_DIR}/scripts/config.sub" "$@"
664 "${CT_LIB_DIR}/scripts/config.sub" "$@"
668 # Compute the target tuple from what is provided by the user
669 # Usage: CT_DoBuildTargetTuple
670 # In fact this function takes the environment variables to build the target
671 # tuple. It is needed both by the normal build sequence, as well as the
672 # sample saving sequence.
673 CT_DoBuildTargetTuple() {
674 # Set the endianness suffix, and the default endianness gcc option
675 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
676 y,) target_endian_eb=eb
678 CT_ARCH_ENDIAN_CFLAG="-mbig-endian"
679 CT_ARCH_ENDIAN_LDFLAG="-EB"
681 ,y) target_endian_eb=
683 CT_ARCH_ENDIAN_CFLAG="-mlittle-endian"
684 CT_ARCH_ENDIAN_LDFLAG="-EL"
688 # Build the default architecture tuple part
689 CT_TARGET_ARCH="${CT_ARCH}"
691 # Set defaults for the system part of the tuple. Can be overriden
692 # by architecture-specific values.
694 none) CT_TARGET_SYS=elf;;
695 *glibc) CT_TARGET_SYS=gnu;;
696 uClibc) CT_TARGET_SYS=uclibc;;
699 # Transform the ARCH into a kernel-understandable ARCH
700 CT_KERNEL_ARCH="${CT_ARCH}"
702 # Set the default values for ARCH, ABI, CPU, TUNE, FPU and FLOAT
703 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
704 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
705 [ "${CT_ARCH_ARCH}" ] && { CT_ARCH_ARCH_CFLAG="-march=${CT_ARCH_ARCH}"; CT_ARCH_WITH_ARCH="--with-arch=${CT_ARCH_ARCH}"; }
706 [ "${CT_ARCH_ABI}" ] && { CT_ARCH_ABI_CFLAG="-mabi=${CT_ARCH_ABI}"; CT_ARCH_WITH_ABI="--with-abi=${CT_ARCH_ABI}"; }
707 [ "${CT_ARCH_CPU}" ] && { CT_ARCH_CPU_CFLAG="-mcpu=${CT_ARCH_CPU}"; CT_ARCH_WITH_CPU="--with-cpu=${CT_ARCH_CPU}"; }
708 [ "${CT_ARCH_TUNE}" ] && { CT_ARCH_TUNE_CFLAG="-mtune=${CT_ARCH_TUNE}"; CT_ARCH_WITH_TUNE="--with-tune=${CT_ARCH_TUNE}"; }
709 [ "${CT_ARCH_FPU}" ] && { CT_ARCH_FPU_CFLAG="-mfpu=${CT_ARCH_FPU}"; CT_ARCH_WITH_FPU="--with-fpu=${CT_ARCH_FPU}"; }
710 [ "${CT_ARCH_FLOAT_SW}" ] && { CT_ARCH_FLOAT_CFLAG="-msoft-float"; CT_ARCH_WITH_FLOAT="--with-float=soft"; }
712 # Build the default kernel tuple part
713 CT_TARGET_KERNEL="${CT_KERNEL}"
715 # Overide the default values with the components specific settings
717 CT_DoKernelTupleValues
719 # Finish the target tuple construction
720 CT_TARGET="${CT_TARGET_ARCH}-${CT_TARGET_VENDOR:-unknown}-${CT_TARGET_KERNEL}${CT_TARGET_KERNEL:+-}${CT_TARGET_SYS}"
724 if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
725 __sed_alias=$(echo "${CT_TARGET}" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
727 case ":${CT_TARGET_VENDOR}:${CT_TARGET_ALIAS}:${__sed_alias}:" in
728 :*" "*:*:*:) CT_Abort "Don't use spaces in the vendor string, it breaks things.";;
729 :*"-"*:*:*:) CT_Abort "Don't use dashes in the vendor string, it breaks things.";;
730 :*:*" "*:*:) CT_Abort "Don't use spaces in the target alias, it breaks things.";;
731 :*:*:*" "*:) CT_Abort "Don't use spaces in the target sed transform, it breaks things.";;
735 CT_TARGET=$(CT_DoConfigSub "${CT_TARGET}")
737 # Prepare the target CFLAGS
738 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ENDIAN_CFLAG}"
739 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ARCH_CFLAG}"
740 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ABI_CFLAG}"
741 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_CPU_CFLAG}"
742 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_TUNE_CFLAG}"
743 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FPU_CFLAG}"
744 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FLOAT_CFLAG}"
746 # Now on for the target LDFLAGS
747 CT_ARCH_TARGET_LDFLAGS="${CT_ARCH_TARGET_LDFLAGS} ${CT_ARCH_ENDIAN_LDFLAG}"
750 # This function does pause the build until the user strikes "Return"
751 # Usage: CT_DoPause [optional_message]
754 local message="${1:-Pausing for your pleasure}"
755 CT_DoLog INFO "${message}"
756 read -p "Press 'Enter' to continue, or Ctrl-C to stop..." foo >&6
760 # This function saves the state of the toolchain to be able to restart
762 # Usage: CT_DoSaveState <next_step_name>
764 [ "${CT_DEBUG_CT_SAVE_STEPS}" = "y" ] || return 0
765 local state_name="$1"
766 local state_dir="${CT_STATE_DIR}/${state_name}"
768 CT_DoLog DEBUG "Saving state to restart at step '${state_name}'..."
770 rm -rf "${state_dir}"
771 mkdir -p "${state_dir}"
773 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
774 y) tar_opt=z; tar_ext=.gz;;
775 *) tar_opt=; tar_ext=;;
778 CT_DoLog DEBUG " Saving environment and aliases"
779 # We must omit shell functions, and some specific bash variables
780 # that break when restoring the environment, later. We could do
781 # all the processing in the gawk script, but a sed is easier...
784 $0~/^[^ ]+ \(\)/ { _p = 0; }
786 $0 == "}" { _p = 1; }
787 ' |sed -r -e '/^BASH_(ARGC|ARGV|LINENO|SOURCE|VERSINFO)=/d;
789 /^(FUNCNAME|GROUPS|PPID|SHELLOPTS)=/d;' >"${state_dir}/env.sh"
791 CT_DoLog DEBUG " Saving CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
792 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
793 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}" .
796 CT_DoLog DEBUG " Saving CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
797 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
798 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}" .
801 CT_DoLog DEBUG " Saving CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
802 CT_Pushd "${CT_PREFIX_DIR}"
803 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}" --exclude '*.log' .
806 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
807 CT_DoLog DEBUG " Saving log file"
809 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
810 y) gzip -3 -c "${CT_LOG_FILE}" >"${state_dir}/log.gz";;
811 *) cat "${CT_LOG_FILE}" >"${state_dir}/log";;
813 exec >>"${CT_LOG_FILE}"
817 # This function restores a previously saved state
818 # Usage: CT_DoLoadState <state_name>
820 local state_name="$1"
821 local state_dir="${CT_STATE_DIR}/${state_name}"
822 local old_RESTART="${CT_RESTART}"
823 local old_STOP="${CT_STOP}"
825 CT_TestOrAbort "The previous build did not reach the point where it could be restarted at '${CT_RESTART}'" -d "${state_dir}"
827 # We need to do something special with the log file!
828 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
829 exec >"${state_dir}/tail.log"
831 CT_DoLog INFO "Restoring state at step '${state_name}', as requested."
833 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
834 y) tar_opt=z; tar_ext=.gz;;
835 *) tar_opt=; tar_ext=;;
838 CT_DoLog DEBUG " Removing previous build directories"
839 chmod -R u+rwX "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
840 rm -rf "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
841 mkdir -p "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
843 CT_DoLog DEBUG " Restoring CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
844 CT_Pushd "${CT_PREFIX_DIR}"
845 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}"
848 CT_DoLog DEBUG " Restoring CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
849 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
850 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}"
853 CT_DoLog DEBUG " Restoring CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
854 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
855 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}"
858 # Restore the environment, discarding any error message
859 # (for example, read-only bash internals)
860 CT_DoLog DEBUG " Restoring environment"
861 . "${state_dir}/env.sh" >/dev/null 2>&1 || true
863 # Restore the new RESTART and STOP steps
864 CT_RESTART="${old_RESTART}"
865 CT_STOP="${old_STOP}"
866 unset old_stop old_restart
868 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
869 CT_DoLog DEBUG " Restoring log file"
871 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
872 y) zcat "${state_dir}/log.gz" >"${CT_LOG_FILE}";;
873 *) cat "${state_dir}/log" >"${CT_LOG_FILE}";;
875 cat "${state_dir}/tail.log" >>"${CT_LOG_FILE}"
876 exec >>"${CT_LOG_FILE}"
877 rm -f "${state_dir}/tail.log"