Remove an obsolete, mis-leading comment in the glibc/eglibc common options.
/trunk/config/libc/glibc-eglibc.in-common | 6 0 6 0 ------
1 file changed, 6 deletions(-)
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 "$1" >/dev/null 2>&1
234 # Makes a path absolute
235 # Usage: CT_MakeAbsolutePath path
236 CT_MakeAbsolutePath() {
237 # Try to cd in that directory
243 # No such directory, fail back to guessing
246 *) echo "$(pwd)/$1";;
253 # Creates a temporary directory
254 # $1: variable to assign to
255 # Usage: CT_MktempDir foo
257 # Some mktemp do not allow more than 6 Xs
258 eval "$1"=$(mktemp -q -d "${CT_BUILD_DIR}/.XXXXXX")
259 CT_TestOrAbort "Could not make temporary directory" -n "${!1}" -a -d "${!1}"
260 CT_DoLog DEBUG "Made temporary directory '${!1}'"
264 # Echoes the specified string on stdout until the pipe breaks.
267 # Usage: CT_DoYes "" |make oldconfig
272 # Get the file name extension of a component
273 # Usage: CT_GetFileExtension <component_name-component_version> [extension]
274 # If found, echoes the extension to stdout
275 # If not found, echoes nothing on stdout.
276 CT_GetFileExtension() {
282 CT_Pushd "${CT_TARBALLS_DIR}"
283 # we need to also check for an empty extension for those very
284 # peculiar components that don't have one (such as sstrip from
286 for ext in ${first_ext} .tar.gz .tar.bz2 .tgz .tar ''; do
287 if [ -f "${file}${ext}" ]; then
297 # Set environment for proxy access
298 # Usage: CT_DoSetProxy <proxy_type>
299 # where proxy_type is one of 'http', 'sockssys', 'socks4' or 'socks5',
300 # or empty (to not change proxy settings).
305 case "${CT_PROXY_USER}:${CT_PROXY_PASS}" in
307 :*) http_proxy="${http_proxy}:${CT_PROXY_PASS}@";;
308 *:) http_proxy="${http_proxy}${CT_PROXY_USER}@";;
309 *:*) http_proxy="${http_proxy}${CT_PROXY_USER}:${CT_PROXY_PASS}@";;
311 export http_proxy="${http_proxy}${CT_PROXY_HOST}:${CT_PROXY_PORT}/"
312 export https_proxy="${http_proxy}"
313 export ftp_proxy="${http_proxy}"
314 CT_DoLog DEBUG "http_proxy='${http_proxy}'"
321 # Remove any lingering config file from any previous run
322 rm -f "${CT_BUILD_DIR}/tsocks.conf"
323 # Find all interfaces and build locally accessible networks
324 server_ip=$(ping -c 1 -W 2 "${CT_PROXY_HOST}" |head -n 1 |sed -r -e 's/^[^\(]+\(([^\)]+)\).*$/\1/;' || true)
325 CT_TestOrAbort "SOCKS proxy '${CT_PROXY_HOST}' has no IP." -n "${server_ip}"
326 /sbin/ifconfig |gawk -v server_ip="${server_ip}" '
328 split( server_ip, tmp, "\\." );
329 server_ip_num = tmp[1] * 2^24 + tmp[2] * 2^16 + tmp[3] * 2^8 + tmp[4] * 2^0;
333 $0 ~ /^[[:space:]]*inet addr:/ {
334 split( $2, tmp, ":|\\." );
335 if( ( tmp[2] == 127 ) && ( tmp[3] == 0 ) && ( tmp[4] == 0 ) && ( tmp[5] == 1 ) ) {
336 /* Skip 127.0.0.1, it'\''s taken care of by tsocks itself */
339 ip_num = tmp[2] * 2^24 + tmp[3] * 2^16 + tmp[4] * 2 ^8 + tmp[5] * 2^0;
344 } while( (i!=0) && ( and( server_ip_num, mask ) == and( ip_num, mask ) ) );
345 mask = and( 0xFFFFFFFF, lshift( mask, 1 ) );
346 if( (i!=0) && (mask!=0) ) {
347 masked_ip = and( ip_num, mask );
348 for( i=0; i<pairs; i++ ) {
349 if( ( masked_ip == ips[i] ) && ( mask == masks[i] ) ) {
353 ips[pairs] = masked_ip;
356 printf( "local = %d.%d.%d.%d/%d.%d.%d.%d\n",
357 and( 0xFF, masked_ip / 2^24 ),
358 and( 0xFF, masked_ip / 2^16 ),
359 and( 0xFF, masked_ip / 2^8 ),
360 and( 0xFF, masked_ip / 2^0 ),
361 and( 0xFF, mask / 2^24 ),
362 and( 0xFF, mask / 2^16 ),
363 and( 0xFF, mask / 2^8 ),
364 and( 0xFF, mask / 2^0 ) );
367 ' >"${CT_BUILD_DIR}/tsocks.conf"
368 ( echo "server = ${server_ip}";
369 echo "server_port = ${CT_PROXY_PORT}";
370 [ -n "${CT_PROXY_USER}" ] && echo "default_user=${CT_PROXY_USER}";
371 [ -n "${CT_PROXY_PASS}" ] && echo "default_pass=${CT_PROXY_PASS}";
372 ) >>"${CT_BUILD_DIR}/tsocks.conf"
373 case "${CT_PROXY_TYPE/socks}" in
374 4|5) proxy_type="${CT_PROXY_TYPE/socks}";;
376 reply=$(inspectsocks "${server_ip}" "${CT_PROXY_PORT}" 2>&1 || true)
378 *"server is a version 4 socks server") proxy_type=4;;
379 *"server is a version 5 socks server") proxy_type=5;;
380 *) CT_Abort "Unable to determine SOCKS proxy type for '${CT_PROXY_HOST}:${CT_PROXY_PORT}'"
384 echo "server_type = ${proxy_type}" >> "${CT_BUILD_DIR}/tsocks.conf"
386 # If tsocks was found, then validateconf is present (distributed with tsocks).
387 CT_DoExecLog DEBUG validateconf -f "${CT_BUILD_DIR}/tsocks.conf"
388 export TSOCKS_CONF_FILE="${CT_BUILD_DIR}/tsocks.conf"
394 # Download an URL using wget
395 # Usage: CT_DoGetFileWget <URL>
397 # Need to return true because it is legitimate to not find the tarball at
398 # some of the provided URLs (think about snapshots, different layouts for
399 # different gcc versions, etc...)
400 # Some (very old!) FTP server might not support the passive mode, thus
402 # With automated download as we are doing, it can be very dangerous to use
403 # -c to continue the downloads. It's far better to simply overwrite the
405 # Some company networks have firewalls to connect to the internet, but it's
406 # not easy to detect them, and wget does not timeout by default while
407 # connecting, so force a global ${CT_CONNECT_TIMEOUT}-second timeout.
408 wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 --passive-ftp "$1" \
409 || wget -T ${CT_CONNECT_TIMEOUT} -nc --progress=dot:binary --tries=3 "$1" \
413 # Download an URL using curl
414 # Usage: CT_DoGetFileCurl <URL>
416 # Note: comments about wget method (above) are also valid here
417 # Plus: no good progress indicator is available with curl,
418 # so output is consigned to oblivion
419 curl --ftp-pasv -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} >/dev/null \
420 || curl -O --retry 3 "$1" --connect-timeout ${CT_CONNECT_TIMEOUT} >/dev/null \
424 _wget=$(CT_Which wget)
425 _curl=$(CT_Which curl)
426 # Wrapper function to call one of curl or wget
427 # Usage: CT_DoGetFile <URL>
429 case "${_wget},${_curl}" in
430 ,) CT_DoError "Could find neither wget nor curl";;
431 ,*) CT_DoExecLog ALL CT_DoGetFileCurl "$1" 2>&1;;
432 *) CT_DoExecLog ALL CT_DoGetFileWget "$1" 2>&1;;
436 # Download the file from one of the URLs passed as argument
437 # Usage: CT_GetFile <filename> [.extension] <url> [url ...]
444 # If next argument starts with a dot, then this is not an URL,
445 # and we can consider that it is a preferred extension.
452 # Do we already have it?
453 ext=$(CT_GetFileExtension "${file}" ${first_ext})
454 if [ -n "${ext}" ]; then
455 CT_DoLog DEBUG "Already have '${file}'"
459 # Try to retrieve the file
460 CT_DoLog EXTRA "Retrieving '${file}'"
461 CT_Pushd "${CT_TARBALLS_DIR}"
463 if [ -n "${CT_LOCAL_TARBALLS_DIR}" ]; then
464 CT_DoLog DEBUG "Trying to retrieve an already downloaded copy of '${file}'"
465 # We'd rather have a bzip2'ed tarball, then gzipped tarball, plain tarball,
466 # or, as a failover, a file without extension.
467 # Try local copy first, if it exists
468 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
469 CT_DoLog DEBUG "Trying '${CT_LOCAL_TARBALLS_DIR}/${file}${ext}'"
470 if [ -r "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" -a \
471 "${CT_FORCE_DOWNLOAD}" != "y" ]; then
472 CT_DoLog DEBUG "Got '${file}' from local storage"
473 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}"
479 # Not found locally, try from the network
481 # Add URLs on the LAN mirror
483 if [ "${CT_USE_MIRROR}" = "y" ]; then
484 CT_DoLog DEBUG "Trying to retrieve a copy of '${file}' from LAN mirror '${CT_MIRROR_HOSTNAME}'"
485 CT_TestOrAbort "Please set the LAN mirror hostname" -n "${CT_MIRROR_HOSTNAME}"
486 CT_TestOrAbort "Please tell me where to find tarballs on the LAN mirror '${CT_MIRROR_HOSTNAME}'" -n "${CT_MIRROR_BASE}"
487 LAN_URLS="${LAN_URLS} ${CT_MIRROR_SCHEME}://${CT_MIRROR_HOSTNAME}/${CT_MIRROR_BASE}/${file%-*}"
488 LAN_URLS="${LAN_URLS} ${CT_MIRROR_SCHEME}://${CT_MIRROR_HOSTNAME}/${CT_MIRROR_BASE}"
491 if [ "${CT_PREFER_MIRROR}" = "y" ]; then
492 URLS="${LAN_URLS} ${@}"
494 URLS="${@} ${LAN_URLS}"
497 # Scan all URLs in turn, and try to grab a tarball from there
498 CT_DoSetProxy ${CT_PROXY_TYPE}
499 for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
500 # Try all urls in turn
501 for url in ${URLS}; do
502 CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
503 CT_DoGetFile "${url}/${file}${ext}"
504 if [ -f "${file}${ext}" ]; then
505 CT_DoLog DEBUG "Got '${file}' from the Internet"
506 if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
507 # The file may already exist if downloads are forced: remove it first
508 CT_DoLog EXTRA "Saving '${file}' to local storage"
509 CT_DoExecLog ALL rm -f "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}"
510 CT_DoExecLog ALL mv -f "${file}${ext}" "${CT_LOCAL_TARBALLS_DIR}"
511 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}"
519 CT_Abort "Could not retrieve '${file}'."
522 # Extract a tarball and patch the resulting sources if necessary.
523 # Some tarballs need to be extracted in specific places. Eg.: glibc addons
524 # must be extracted in the glibc directory; uCLibc locales must be extracted
525 # in the extra/locale sub-directory of uClibc.
526 CT_ExtractAndPatch() {
528 local base_file=$(echo "${file}" |cut -d - -f 1)
529 local ver_file=$(echo "${file}" |cut -d - -f 2-)
530 local official_patch_dir
531 local custom_patch_dir
533 local ext=$(CT_GetFileExtension "${file}")
534 CT_TestAndAbort "'${file}' not found in '${CT_TARBALLS_DIR}'" -z "${ext}"
535 local full_file="${CT_TARBALLS_DIR}/${file}${ext}"
537 CT_Pushd "${CT_SRC_DIR}"
539 # Add-ons need a little love, really.
541 glibc-[a-z]*-*|eglibc-[a-z]*-*)
542 CT_TestAndAbort "Trying to extract the C-library addon/locales '${file}' when C-library not yet extracted" ! -d "${CT_LIBC_FILE}"
545 [ -f ".${file}.extracted" ] && return 0
546 touch ".${file}.extracted"
549 CT_TestAndAbort "Trying to extract the C-library addon/locales '${file}' when C-library not yet extracted" ! -d "${CT_LIBC_FILE}"
550 cd "${CT_LIBC_FILE}/extra/locale"
552 [ -f ".${file}.extracted" ] && return 0
553 touch ".${file}.extracted"
557 # If the directory exists, then consider extraction and patching done
558 if [ -d "${file}" ]; then
559 CT_DoLog DEBUG "Already extracted '${file}'"
563 CT_DoLog EXTRA "Extracting and patching '${file}'"
565 .tar.bz2) CT_DoExecLog ALL tar xvjf "${full_file}";;
566 .tar.gz|.tgz) CT_DoExecLog ALL tar xvzf "${full_file}";;
567 .tar) CT_DoExecLog ALL tar xvf "${full_file}";;
568 *) CT_Abort "Don't know how to handle '${file}': unknown extension" ;;
571 # Snapshots might not have the version number in the extracted directory
572 # name. This is also the case for some (odd) packages, such as D.U.M.A.
573 # Overcome this issue by symlink'ing the directory.
574 if [ ! -d "${file}" -a "${libc_addon}" != "y" ]; then
576 .tar.bz2) base=$(tar tjf "${full_file}" |head -n 1 |cut -d / -f 1 || true);;
577 .tar.gz|.tgz) base=$(tar tzf "${full_file}" |head -n 1 |cut -d / -f 1 || true);;
578 .tar) base=$(tar tf "${full_file}" |head -n 1 |cut -d / -f 1 || true);;
580 CT_TestOrAbort "There was a problem when extracting '${file}'" -d "${base}" -o "${base}" != "${file}"
581 ln -s "${base}" "${file}"
584 # Kludge: outside this function, we wouldn't know if we had just extracted
585 # a libc addon, or a plain package. Apply patches now.
586 if [ "${libc_addon}" = "y" ]; then
587 # Some addon tarballs directly contain the correct addon directory,
588 # while others have the addon directory named after the tarball.
589 # Fix that by always using the short name (eg: linuxthreads, ports, etc...)
590 addon_short_name=$(echo "${file}" |sed -r -e 's/^[^-]+-([^-]+)-.*$/\1/;')
591 if [ ! -d "${addon_short_name}" ]; then
592 mv "${file}" "${addon_short_name}"
593 # Keep a symlink to avoid re-extracting later on.
594 ln -s "${addon_short_name}" "${file}"
596 # If libc addon, we're already in the correct place
603 [ "${CT_CUSTOM_PATCH_ONLY}" = "y" ] || official_patch_dir="${CT_LIB_DIR}/patches/${base_file}/${ver_file}"
604 [ "${CT_CUSTOM_PATCH}" = "y" ] && custom_patch_dir="${CT_CUSTOM_PATCH_DIR}/${base_file}/${ver_file}"
605 for patch_dir in "${official_patch_dir}" "${custom_patch_dir}"; do
606 if [ -n "${patch_dir}" -a -d "${patch_dir}" ]; then
607 for p in "${patch_dir}"/*.patch; do
608 if [ -f "${p}" ]; then
609 CT_DoLog DEBUG "Applying patch '${p}'"
610 CT_DoExecLog ALL patch -g0 -F1 -p1 -f <"${p}"
611 CT_TestAndAbort "Failed while applying patch file '${p}'" ${PIPESTATUS[0]} -ne 0
617 if [ "${CT_OVERIDE_CONFIG_GUESS_SUB}" = "y" ]; then
618 CT_DoLog ALL "Overiding config.guess and config.sub"
619 for cfg in config_guess config_sub; do
620 eval ${cfg}="${CT_LIB_DIR}/scripts/${cfg/_/.}"
621 [ -e "${CT_TOP_DIR}/scripts/${cfg/_/.}" ] && eval ${cfg}="${CT_TOP_DIR}/scripts/${cfg/_/.}"
622 # Can't use CT_DoExecLog because of the '{} \;' to be passed un-mangled to find
623 find . -type f -name "${cfg/_/.}" -exec cp -v "${!cfg}" {} \; |CT_DoLog ALL
630 # Two wrappers to call config.(guess|sub) either from CT_TOP_DIR or CT_LIB_DIR.
631 # Those from CT_TOP_DIR, if they exist, will be be more recent than those from CT_LIB_DIR.
633 if [ -x "${CT_TOP_DIR}/scripts/config.guess" ]; then
634 "${CT_TOP_DIR}/scripts/config.guess"
636 "${CT_LIB_DIR}/scripts/config.guess"
641 if [ -x "${CT_TOP_DIR}/scripts/config.sub" ]; then
642 "${CT_TOP_DIR}/scripts/config.sub" "$@"
644 "${CT_LIB_DIR}/scripts/config.sub" "$@"
648 # Compute the target tuple from what is provided by the user
649 # Usage: CT_DoBuildTargetTuple
650 # In fact this function takes the environment variables to build the target
651 # tuple. It is needed both by the normal build sequence, as well as the
652 # sample saving sequence.
653 CT_DoBuildTargetTuple() {
654 # Set the endianness suffix, and the default endianness gcc option
655 case "${CT_ARCH_BE},${CT_ARCH_LE}" in
656 y,) target_endian_eb=eb
658 CT_ARCH_ENDIAN_CFLAG="-mbig-endian"
659 CT_ARCH_ENDIAN_LDFLAG="-EB"
661 ,y) target_endian_eb=
663 CT_ARCH_ENDIAN_CFLAG="-mlittle-endian"
664 CT_ARCH_ENDIAN_LDFLAG="-EL"
668 # Build the default architecture tuple part
669 CT_TARGET_ARCH="${CT_ARCH}"
671 # Set defaults for the system part of the tuple. Can be overriden
672 # by architecture-specific values.
674 none) CT_TARGET_SYS=elf;;
675 *glibc) CT_TARGET_SYS=gnu;;
676 uClibc) CT_TARGET_SYS=uclibc;;
679 # Transform the ARCH into a kernel-understandable ARCH
680 CT_KERNEL_ARCH="${CT_ARCH}"
682 # Set the default values for ARCH, ABI, CPU, TUNE, FPU and FLOAT
683 unset CT_ARCH_ARCH_CFLAG CT_ARCH_ABI_CFLAG CT_ARCH_CPU_CFLAG CT_ARCH_TUNE_CFLAG CT_ARCH_FPU_CFLAG CT_ARCH_FLOAT_CFLAG
684 unset CT_ARCH_WITH_ARCH CT_ARCH_WITH_ABI CT_ARCH_WITH_CPU CT_ARCH_WITH_TUNE CT_ARCH_WITH_FPU CT_ARCH_WITH_FLOAT
685 [ "${CT_ARCH_ARCH}" ] && { CT_ARCH_ARCH_CFLAG="-march=${CT_ARCH_ARCH}"; CT_ARCH_WITH_ARCH="--with-arch=${CT_ARCH_ARCH}"; }
686 [ "${CT_ARCH_ABI}" ] && { CT_ARCH_ABI_CFLAG="-mabi=${CT_ARCH_ABI}"; CT_ARCH_WITH_ABI="--with-abi=${CT_ARCH_ABI}"; }
687 [ "${CT_ARCH_CPU}" ] && { CT_ARCH_CPU_CFLAG="-mcpu=${CT_ARCH_CPU}"; CT_ARCH_WITH_CPU="--with-cpu=${CT_ARCH_CPU}"; }
688 [ "${CT_ARCH_TUNE}" ] && { CT_ARCH_TUNE_CFLAG="-mtune=${CT_ARCH_TUNE}"; CT_ARCH_WITH_TUNE="--with-tune=${CT_ARCH_TUNE}"; }
689 [ "${CT_ARCH_FPU}" ] && { CT_ARCH_FPU_CFLAG="-mfpu=${CT_ARCH_FPU}"; CT_ARCH_WITH_FPU="--with-fpu=${CT_ARCH_FPU}"; }
690 [ "${CT_ARCH_FLOAT_SW}" ] && { CT_ARCH_FLOAT_CFLAG="-msoft-float"; CT_ARCH_WITH_FLOAT="--with-float=soft"; }
692 # Build the default kernel tuple part
693 CT_TARGET_KERNEL="${CT_KERNEL}"
695 # Overide the default values with the components specific settings
697 CT_DoKernelTupleValues
699 # Finish the target tuple construction
700 CT_TARGET="${CT_TARGET_ARCH}-${CT_TARGET_VENDOR:-unknown}-${CT_TARGET_KERNEL}${CT_TARGET_KERNEL:+-}${CT_TARGET_SYS}"
704 if [ -n "${CT_TARGET_ALIAS_SED_EXPR}" ]; then
705 __sed_alias=$(echo "${CT_TARGET}" |sed -r -e "${CT_TARGET_ALIAS_SED_EXPR}")
707 case ":${CT_TARGET_VENDOR}:${CT_TARGET_ALIAS}:${__sed_alias}:" in
708 :*" "*:*:*:) CT_Abort "Don't use spaces in the vendor string, it breaks things.";;
709 :*"-"*:*:*:) CT_Abort "Don't use dashes in the vendor string, it breaks things.";;
710 :*:*" "*:*:) CT_Abort "Don't use spaces in the target alias, it breaks things.";;
711 :*:*:*" "*:) CT_Abort "Don't use spaces in the target sed transform, it breaks things.";;
715 CT_TARGET=$(CT_DoConfigSub "${CT_TARGET}")
717 # Prepare the target CFLAGS
718 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ENDIAN_CFLAG}"
719 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ARCH_CFLAG}"
720 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_ABI_CFLAG}"
721 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_CPU_CFLAG}"
722 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_TUNE_CFLAG}"
723 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FPU_CFLAG}"
724 CT_ARCH_TARGET_CFLAGS="${CT_ARCH_TARGET_CFLAGS} ${CT_ARCH_FLOAT_CFLAG}"
726 # Now on for the target LDFLAGS
727 CT_ARCH_TARGET_LDFLAGS="${CT_ARCH_TARGET_LDFLAGS} ${CT_ARCH_ENDIAN_LDFLAG}"
730 # This function does pause the build until the user strikes "Return"
731 # Usage: CT_DoPause [optional_message]
734 local message="${1:-Pausing for your pleasure}"
735 CT_DoLog INFO "${message}"
736 read -p "Press 'Enter' to continue, or Ctrl-C to stop..." foo >&6
740 # This function saves the state of the toolchain to be able to restart
742 # Usage: CT_DoSaveState <next_step_name>
744 [ "${CT_DEBUG_CT_SAVE_STEPS}" = "y" ] || return 0
745 local state_name="$1"
746 local state_dir="${CT_STATE_DIR}/${state_name}"
748 CT_DoLog DEBUG "Saving state to restart at step '${state_name}'..."
749 rm -rf "${state_dir}"
750 mkdir -p "${state_dir}"
752 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
753 y) tar_opt=z; tar_ext=.gz;;
754 *) tar_opt=; tar_ext=;;
757 CT_DoLog DEBUG " Saving environment and aliases"
758 # We must omit shell functions, and some specific bash variables
759 # that break when restoring the environment, later. We could do
760 # all the processing in the gawk script, but a sed is easier...
763 $0~/^[^ ]+ \(\)/ { _p = 0; }
765 $0 == "}" { _p = 1; }
766 ' |sed -r -e '/^BASH_(ARGC|ARGV|LINENO|SOURCE|VERSINFO)=/d;
768 /^(FUNCNAME|GROUPS|PPID|SHELLOPTS)=/d;' >"${state_dir}/env.sh"
770 CT_DoLog DEBUG " Saving CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
771 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
772 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}" .
775 CT_DoLog DEBUG " Saving CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
776 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
777 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}" .
780 CT_DoLog DEBUG " Saving CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
781 CT_Pushd "${CT_PREFIX_DIR}"
782 CT_DoExecLog DEBUG tar cv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}" --exclude '*.log' .
785 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
786 CT_DoLog DEBUG " Saving log file"
788 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
789 y) gzip -3 -c "${CT_LOG_FILE}" >"${state_dir}/log.gz";;
790 *) cat "${CT_LOG_FILE}" >"${state_dir}/log";;
792 exec >>"${CT_LOG_FILE}"
796 # This function restores a previously saved state
797 # Usage: CT_DoLoadState <state_name>
799 local state_name="$1"
800 local state_dir="${CT_STATE_DIR}/${state_name}"
801 local old_RESTART="${CT_RESTART}"
802 local old_STOP="${CT_STOP}"
804 CT_TestOrAbort "The previous build did not reach the point where it could be restarted at '${CT_RESTART}'" -d "${state_dir}"
806 # We need to do something special with the log file!
807 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
808 exec >"${state_dir}/tail.log"
810 CT_DoLog INFO "Restoring state at step '${state_name}', as requested."
812 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
813 y) tar_opt=z; tar_ext=.gz;;
814 *) tar_opt=; tar_ext=;;
817 CT_DoLog DEBUG " Removing previous build directories"
818 chmod -R u+rwX "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
819 rm -rf "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
820 mkdir -p "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
822 CT_DoLog DEBUG " Restoring CT_PREFIX_DIR='${CT_PREFIX_DIR}'"
823 CT_Pushd "${CT_PREFIX_DIR}"
824 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}"
827 CT_DoLog DEBUG " Restoring CT_CC_CORE_SHARED_PREFIX_DIR='${CT_CC_CORE_SHARED_PREFIX_DIR}'"
828 CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
829 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}"
832 CT_DoLog DEBUG " Restoring CT_CC_CORE_STATIC_PREFIX_DIR='${CT_CC_CORE_STATIC_PREFIX_DIR}'"
833 CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
834 CT_DoExecLog DEBUG tar xv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}"
837 # Restore the environment, discarding any error message
838 # (for example, read-only bash internals)
839 CT_DoLog DEBUG " Restoring environment"
840 . "${state_dir}/env.sh" >/dev/null 2>&1 || true
842 # Restore the new RESTART and STOP steps
843 CT_RESTART="${old_RESTART}"
844 CT_STOP="${old_STOP}"
845 unset old_stop old_restart
847 if [ "${CT_LOG_TO_FILE}" = "y" ]; then
848 CT_DoLog DEBUG " Restoring log file"
850 case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
851 y) zcat "${state_dir}/log.gz" >"${CT_LOG_FILE}";;
852 *) cat "${state_dir}/log" >"${CT_LOG_FILE}";;
854 cat "${state_dir}/tail.log" >>"${CT_LOG_FILE}"
855 exec >>"${CT_LOG_FILE}"
856 rm -f "${state_dir}/tail.log"