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https://github.com/crosstool-ng/crosstool-ng.git
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665 lines
24 KiB
Plaintext
665 lines
24 KiB
Plaintext
# This file contains some usefull common functions
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# Copyright 2007 Yann E. MORIN
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# Licensed under the GPL v2. See COPYING in the root of this package
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# Prepare the fault handler
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CT_OnError() {
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ret=$?
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CT_DoLog ERROR "Build failed in step \"${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}\""
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for((step=(CT_STEP_COUNT-1); step>1; step--)); do
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CT_DoLog ERROR " called in step \"${CT_STEP_MESSAGE[${step}]}\""
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done
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CT_DoLog ERROR "Error happened in \"${BASH_SOURCE[1]}\" in function \"${FUNCNAME[1]}\" (line unknown, sorry)"
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for((depth=2; ${BASH_LINENO[$((${depth}-1))]}>0; depth++)); do
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CT_DoLog ERROR " called from \"${BASH_SOURCE[${depth}]}\" at line # ${BASH_LINENO[${depth}-1]} in function \"${FUNCNAME[${depth}]}\""
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done
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[ "${CT_LOG_TO_FILE}" = "y" ] && CT_DoLog ERROR "Look at \"${CT_LOG_FILE}\" for more info on this error."
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CT_STEP_COUNT=1
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CT_DoEnd ERROR
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exit $ret
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}
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# Install the fault handler
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trap CT_OnError ERR
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# Inherit the fault handler in subshells and functions
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set -E
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# Make pipes fail on the _first_ failed command
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# Not supported on bash < 3.x, but we need it, so drop the obsoleting bash-2.x
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set -o pipefail
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# Don't hash commands' locations, and search every time it is requested.
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# This is slow, but needed because of the static/shared core gcc which shall
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# always match to shared if it exists, and only fallback to static if the
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# shared is not found
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set +o hashall
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# Log policy:
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# - first of all, save stdout so we can see the live logs: fd #6
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exec 6>&1
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# - then point stdout to the log file (temporary for now)
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tmp_log_file="${CT_TOP_DIR}/log.$$"
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exec >>"${tmp_log_file}"
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# The different log levels:
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CT_LOG_LEVEL_ERROR=0
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CT_LOG_LEVEL_WARN=1
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CT_LOG_LEVEL_INFO=2
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CT_LOG_LEVEL_EXTRA=3
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CT_LOG_LEVEL_DEBUG=4
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CT_LOG_LEVEL_ALL=5
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# A function to log what is happening
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# Different log level are available:
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# - ERROR: A serious, fatal error occurred
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# - WARN: A non fatal, non serious error occurred, take your responsbility with the generated build
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# - INFO: Informational messages
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# - EXTRA: Extra informational messages
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# - DEBUG: Debug messages
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# - ALL: Component's build messages
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# Usage: CT_DoLog <level> [message]
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# If message is empty, then stdin will be logged.
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CT_DoLog() {
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local max_level LEVEL level cur_l cur_L
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local l
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eval max_level="\${CT_LOG_LEVEL_${CT_LOG_LEVEL_MAX}}"
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# Set the maximum log level to DEBUG if we have none
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[ -z "${max_level}" ] && max_level=${CT_LOG_LEVEL_DEBUG}
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LEVEL="$1"; shift
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eval level="\${CT_LOG_LEVEL_${LEVEL}}"
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if [ $# -eq 0 ]; then
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cat -
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else
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echo "${1}"
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fi |( IFS="\n" # We want the full lines, even leading spaces
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CT_PROG_BAR_CPT=0
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indent=$((2*CT_STEP_COUNT))
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while read line; do
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case "${CT_LOG_SEE_TOOLS_WARN},${line}" in
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y,*"warning:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
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y,*"WARNING:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
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*"error:"*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
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*"make["?*"]:"*"Stop.") cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
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*) cur_L="${LEVEL}"; cur_l="${level}";;
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esac
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l="`printf \"[%-5s]%*s%s%s\" \"${cur_L}\" \"${indent}\" \" \" \"${line}\"`"
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# There will always be a log file, be it /dev/null
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echo -e "${l}"
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if [ ${cur_l} -le ${max_level} ]; then
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echo -e "\r${l}" >&6
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fi
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if [ "${CT_LOG_PROGRESS_BAR}" = "y" ]; then
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[ ${CT_PROG_BAR_CPT} -eq 0 ] && bar="/"
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[ ${CT_PROG_BAR_CPT} -eq 10 ] && bar="-"
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[ ${CT_PROG_BAR_CPT} -eq 20 ] && bar="\\"
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[ ${CT_PROG_BAR_CPT} -eq 30 ] && bar="|"
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printf "\r[%02d:%02d] %s " $((SECONDS/60)) $((SECONDS%60)) "${bar}" >&6
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CT_PROG_BAR_CPT=$(((CT_PROG_BAR_CPT+1)%40))
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fi
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done
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)
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return 0
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}
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# Tail message to be logged whatever happens
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# Usage: CT_DoEnd <level>
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CT_DoEnd()
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{
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local level="$1"
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CT_STOP_DATE=`CT_DoDate +%s%N`
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CT_STOP_DATE_HUMAN=`CT_DoDate +%Y%m%d.%H%M%S`
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CT_DoLog "${level:-INFO}" "Build completed at ${CT_STOP_DATE_HUMAN}"
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elapsed=$((CT_STOP_DATE-CT_STAR_DATE))
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elapsed_min=$((elapsed/(60*1000*1000*1000)))
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elapsed_sec=`printf "%02d" $(((elapsed%(60*1000*1000*1000))/(1000*1000*1000)))`
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elapsed_csec=`printf "%02d" $(((elapsed%(1000*1000*1000))/(10*1000*1000)))`
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CT_DoLog ${level:-INFO} "(elapsed: ${elapsed_min}:${elapsed_sec}.${elapsed_csec})"
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}
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# Abort the execution with an error message
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# Usage: CT_Abort <message>
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CT_Abort() {
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CT_DoLog ERROR "$1"
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exit 1
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}
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# Test a condition, and print a message if satisfied
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# Usage: CT_Test <message> <tests>
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CT_Test() {
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local ret
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local m="$1"
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shift
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test "$@" && CT_DoLog WARN "$m"
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return 0
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}
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# Test a condition, and abort with an error message if satisfied
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# Usage: CT_TestAndAbort <message> <tests>
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CT_TestAndAbort() {
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local m="$1"
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shift
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test "$@" && CT_Abort "$m"
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return 0
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}
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# Test a condition, and abort with an error message if not satisfied
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# Usage: CT_TestAndAbort <message> <tests>
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CT_TestOrAbort() {
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local m="$1"
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shift
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test "$@" || CT_Abort "$m"
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return 0
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}
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# Test the presence of a tool, or abort if not found
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# Usage: CT_HasOrAbort <tool>
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CT_HasOrAbort() {
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CT_TestAndAbort "\"${1}\" not found and needed for successfull toolchain build." -z "`CT_Which \"${1}\"`"
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return 0
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}
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# Search a program: wrap "which" for those system where
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# "which" verbosely says there is no match (Mdk are such
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# suckers...)
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# Usage: CT_Which <filename>
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CT_Which() {
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which "$1" 2>/dev/null || true
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}
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# Get current date with nanosecond precision
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# On those system not supporting nanosecond precision, faked with rounding down
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# to the highest entire second
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# Usage: CT_DoDate <fmt>
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CT_DoDate() {
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date "$1" |sed -r -e 's/%N$/000000000/;'
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}
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CT_STEP_COUNT=1
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CT_STEP_MESSAGE[${CT_STEP_COUNT}]="<none>"
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# Memorise a step being done so that any error is caught
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# Usage: CT_DoStep <loglevel> <message>
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CT_DoStep() {
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local start=`CT_DoDate +%s%N`
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CT_DoLog "$1" "================================================================="
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CT_DoLog "$1" "$2"
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CT_STEP_COUNT=$((CT_STEP_COUNT+1))
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CT_STEP_LEVEL[${CT_STEP_COUNT}]="$1"; shift
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CT_STEP_START[${CT_STEP_COUNT}]="${start}"
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CT_STEP_MESSAGE[${CT_STEP_COUNT}]="$1"
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return 0
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}
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# End the step just being done
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# Usage: CT_EndStep
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CT_EndStep() {
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local stop=`CT_DoDate +%s%N`
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local duration=`printf "%032d" $((stop-${CT_STEP_START[${CT_STEP_COUNT}]})) |sed -r -e 's/([[:digit:]]{2})[[:digit:]]{7}$/\.\1/; s/^0+//; s/^\./0\./;'`
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local level="${CT_STEP_LEVEL[${CT_STEP_COUNT}]}"
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local message="${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}"
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CT_STEP_COUNT=$((CT_STEP_COUNT-1))
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CT_DoLog "${level}" "${message}: done in ${duration}s"
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return 0
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}
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# Pushes into a directory, and pops back
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CT_Pushd() {
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pushd "$1" >/dev/null 2>&1
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}
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CT_Popd() {
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popd >/dev/null 2>&1
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}
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# Makes a path absolute
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# Usage: CT_MakeAbsolutePath path
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CT_MakeAbsolutePath() {
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# Try to cd in that directory
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if [ -d "$1" ]; then
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CT_Pushd "$1"
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pwd
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CT_Popd
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else
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# No such directory, fail back to guessing
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case "$1" in
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/*) echo "$1";;
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*) echo "`pwd`/$1";;
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esac
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fi
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return 0
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}
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# Creates a temporary directory
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# $1: variable to assign to
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# Usage: CT_MktempDir foo
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CT_MktempDir() {
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# Some mktemp do not allow more than 6 Xs
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eval "$1"="`mktemp -q -d \"${CT_BUILD_DIR}/.XXXXXX\"`"
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CT_TestOrAbort "Could not make temporary directory" -n "${!1}" -a -d "${!1}"
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}
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# Echoes the specified string on stdout until the pipe breaks.
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# Doesn't fail
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# $1: string to echo
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# Usage: CT_DoYes "" |make oldconfig
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CT_DoYes() {
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yes "$1" || true
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}
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# Get the file name extension of a component
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# Usage: CT_GetFileExtension <component_name-component_version>
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# If found, echoes the extension to stdout
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# If not found, echoes nothing on stdout.
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CT_GetFileExtension() {
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local ext
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local file="$1"
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CT_Pushd "${CT_TARBALLS_DIR}"
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# we need to also check for an empty extension for those very
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# peculiar components that don't have one (such as sstrip from
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# buildroot).
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for ext in .tar.gz .tar.bz2 .tgz .tar ''; do
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if [ -f "${file}${ext}" ]; then
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echo "${ext}"
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break
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fi
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done
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CT_Popd
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return 0
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}
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# Download an URL using wget
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# Usage: CT_DoGetFileWget <URL>
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CT_DoGetFileWget() {
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# Need to return true because it is legitimate to not find the tarball at
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# some of the provided URLs (think about snapshots, different layouts for
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# different gcc versions, etc...)
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# Some (very old!) FTP server might not support the passive mode, thus
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# retry without
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# With automated download as we are doing, it can be very dangerous to use
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# -c to continue the downloads. It's far better to simply overwrite the
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# destination file
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wget -nc --progress=dot:binary --tries=3 --passive-ftp "$1" || wget -nc --progress=dot:binary --tries=3 "$1" || true
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}
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# Download an URL using curl
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# Usage: CT_DoGetFileCurl <URL>
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CT_DoGetFileCurl() {
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# Note: comments about wget method are also valid here
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# Plus: no good progreess indicator is available with curl,
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# so output is consigned to oblivion
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curl --ftp-pasv -O --retry 3 "$1" >/dev/null || curl -O --retry 3 "$1" >/dev/null || true
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}
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_wget=`CT_Which wget`
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_curl=`CT_Which curl`
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# Wrapper function to call one of curl or wget
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# Usage: CT_DoGetFile <URL>
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CT_DoGetFile() {
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case "${_wget},${_curl}" in
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,) CT_DoError "Could find neither wget nor curl";;
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,*) CT_DoGetFileCurl "$1" 2>&1 |CT_DoLog ALL;;
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*) CT_DoGetFileWget "$1" 2>&1 |CT_DoLog ALL;;
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esac
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}
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# Download the file from one of the URLs passed as argument
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# Usage: CT_GetFile <filename> [extension] <url> [url ...]
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CT_GetFile() {
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local ext
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local url
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local file="$1"
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local first_ext=""
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shift
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case "$1" in
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.tar.bz2|.tar.gz|.tgz|.tar)
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first_ext="$1"
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shift
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;;
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esac
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# Do we already have it?
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ext=`CT_GetFileExtension "${file}"`
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if [ -n "${ext}" ]; then
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CT_DoLog DEBUG "Already have \"${file}\""
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return 0
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fi
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CT_Pushd "${CT_TARBALLS_DIR}"
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# We'd rather have a bzip2'ed tarball, then gzipped tarball, plain tarball,
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# or, as a failover, a file without extension.
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# Try local copy first, if it exists
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for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
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CT_DoLog DEBUG "Trying \"${CT_LOCAL_TARBALLS_DIR}/${file}${ext}\""
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if [ -r "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" -a \
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"${CT_FORCE_DOWNLOAD}" != "y" ]; then
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CT_DoLog EXTRA "Using \"${file}\" from local storage"
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ln -sv "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}" |CT_DoLog ALL
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return 0
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fi
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done
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# Try to download it
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CT_DoLog EXTRA "Retrieving \"${file}\" from network"
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for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
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# Try all urls in turn
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for url in "$@"; do
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CT_DoLog DEBUG "Trying \"${url}/${file}${ext}\""
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CT_DoGetFile "${url}/${file}${ext}"
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if [ -f "${file}${ext}" ]; then
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# No need to test if the file already exists because
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# it does NOT. If it did exist, we'd have been stopped
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# above, when looking for local copies.
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if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
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CT_DoLog EXTRA "Saving \"${file}\" to local storage"
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mv "${file}${ext}" "${CT_LOCAL_TARBALLS_DIR}" |CT_DoLog ALL
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ln -sv "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}" |CT_DoLog ALL
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fi
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return 0
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fi
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done
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done
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CT_Popd
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CT_Abort "Could not download \"${file}\", and not present in \"${CT_LOCAL_TARBALLS_DIR}\""
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}
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# Extract a tarball and patch the resulting sources if necessary.
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# Some tarballs need to be extracted in specific places. Eg.: glibc addons
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# must be extracted in the glibc directory; uCLibc locales must be extracted
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# in the extra/locale sub-directory of uClibc.
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CT_ExtractAndPatch() {
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local file="$1"
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local base_file=`echo "${file}" |cut -d - -f 1`
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local ver_file=`echo "${file}" |cut -d - -f 2-`
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local official_patch_dir
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local custom_patch_dir
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local libc_addon
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local ext=`CT_GetFileExtension "${file}"`
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CT_TestAndAbort "\"${file}\" not found in \"${CT_TARBALLS_DIR}\"" -z "${ext}"
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local full_file="${CT_TARBALLS_DIR}/${file}${ext}"
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CT_Pushd "${CT_SRC_DIR}"
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# Add-ons need a little love, really.
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case "${file}" in
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glibc-[a-z]*-*)
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CT_TestAndAbort "Trying to extract the C-library addon/locales \"${file}\" when C-library not yet extracted" ! -d "${CT_LIBC_FILE}"
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cd "${CT_LIBC_FILE}"
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libc_addon=y
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[ -f ".${file}.extracted" ] && return 0
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touch ".${file}.extracted"
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;;
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uClibc-locale-*)
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CT_TestAndAbort "Trying to extract the C-library addon/locales \"${file}\" when C-library not yet extracted" ! -d "${CT_LIBC_FILE}"
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cd "${CT_LIBC_FILE}/extra/locale"
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libc_addon=y
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[ -f ".${file}.extracted" ] && return 0
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touch ".${file}.extracted"
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;;
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esac
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# If the directory exists, then consider extraction and patching done
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if [ -d "${file}" ]; then
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CT_DoLog DEBUG "Already extracted \"${file}\""
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return 0
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fi
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CT_DoLog EXTRA "Extracting \"${file}\""
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case "${ext}" in
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.tar.bz2) tar xvjf "${full_file}" |CT_DoLog ALL;;
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.tar.gz|.tgz) tar xvzf "${full_file}" |CT_DoLog ALL;;
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.tar) tar xvf "${full_file}" |CT_DoLog ALL;;
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*) CT_Abort "Don't know how to handle \"${file}\": unknown extension" ;;
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esac
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# Snapshots might not have the version number in the extracted directory
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# name. This is also the case for some (odd) packages, such as D.U.M.A.
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# Overcome this issue by symlink'ing the directory.
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if [ ! -d "${file}" -a "${libc_addon}" != "y" ]; then
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case "${ext}" in
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.tar.bz2) base=`tar tjf "${full_file}" |head -n 1 |cut -d / -f 1 || true`;;
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.tar.gz|.tgz) base=`tar tzf "${full_file}" |head -n 1 |cut -d / -f 1 || true`;;
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.tar) base=`tar tf "${full_file}" |head -n 1 |cut -d / -f 1 || true`;;
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esac
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CT_TestOrAbort "There was a problem when extracting \"${file}\"" -d "${base}" -o "${base}" != "${file}"
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ln -s "${base}" "${file}"
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fi
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# Kludge: outside this function, we wouldn't know if we had just extracted
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# a libc addon, or a plain package. Apply patches now.
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CT_DoLog EXTRA "Patching \"${file}\""
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if [ "${libc_addon}" = "y" ]; then
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# Some addons tarball directly contian the correct addon directory,
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# while others have the addon directory named ofter the tarball.
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# Fix that by always using the short name (eg: linuxthreads, ports, etc...)
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addon_short_name=`echo "${file}" |sed -r -e 's/^[^-]+-//; s/-[^-]+$//;'`
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[ -d "${addon_short_name}" ] || ln -s "${file}" "${addon_short_name}"
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# If libc addon, we're already in the correct place
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else
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cd "${file}"
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fi
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official_patch_dir=
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custom_patch_dir=
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[ "${CUSTOM_PATCH_ONLY}" = "y" ] || official_patch_dir="${CT_LIB_DIR}/patches/${base_file}/${ver_file}"
|
|
[ "${CT_CUSTOM_PATCH}" = "y" ] && custom_patch_dir="${CT_CUSTOM_PATCH_DIR}/${base_file}/${ver_file}"
|
|
for patch_dir in "${official_patch_dir}" "${custom_patch_dir}"; do
|
|
if [ -n "${patch_dir}" -a -d "${patch_dir}" ]; then
|
|
for p in "${patch_dir}"/*.patch; do
|
|
if [ -f "${p}" ]; then
|
|
CT_DoLog DEBUG "Applying patch \"${p}\""
|
|
patch -g0 -F1 -p1 -f <"${p}" |CT_DoLog ALL
|
|
CT_TestAndAbort "Failed while applying patch file \"${p}\"" ${PIPESTATUS[0]} -ne 0
|
|
fi
|
|
done
|
|
fi
|
|
done
|
|
|
|
CT_Popd
|
|
}
|
|
|
|
# Two wrappers to call config.(guess|sub) either from CT_TOP_DIR or CT_LIB_DIR.
|
|
# Those from CT_TOP_DIR, if they exist, will be be more recent than those from CT_LIB_DIR.
|
|
CT_DoConfigGuess() {
|
|
if [ -x "${CT_TOP_DIR}/tools/config.guess" ]; then
|
|
"${CT_TOP_DIR}/tools/config.guess"
|
|
else
|
|
"${CT_LIB_DIR}/tools/config.guess"
|
|
fi
|
|
}
|
|
|
|
CT_DoConfigSub() {
|
|
if [ -x "${CT_TOP_DIR}/tools/config.sub" ]; then
|
|
"${CT_TOP_DIR}/tools/config.sub" "$@"
|
|
else
|
|
"${CT_LIB_DIR}/tools/config.sub" "$@"
|
|
fi
|
|
}
|
|
|
|
# Compute the target tuple from what is provided by the user
|
|
# Usage: CT_DoBuildTargetTuple
|
|
# In fact this function takes the environment variables to build the target
|
|
# tuple. It is needed both by the normal build sequence, as well as the
|
|
# sample saving sequence.
|
|
CT_DoBuildTargetTuple() {
|
|
# Set the endianness suffix, and the default endianness gcc option
|
|
case "${CT_ARCH_BE},${CT_ARCH_LE}" in
|
|
y,) target_endian_eb=eb
|
|
target_endian_el=
|
|
CT_ARCH_ENDIAN_CFLAG="-mbig-endian"
|
|
;;
|
|
,y) target_endian_eb=
|
|
target_endian_el=el
|
|
CT_ARCH_ENDIAN_CFLAG="-mlittle-endian"
|
|
;;
|
|
esac
|
|
|
|
# Set defaults for the system part of the tuple. Can be overriden
|
|
# by architecture-specific values.
|
|
case "${CT_LIBC}" in
|
|
glibc) CT_TARGET_SYS=gnu;;
|
|
uClibc) CT_TARGET_SYS=uclibc;;
|
|
esac
|
|
|
|
# Transform the ARCH into a kernel-understandable ARCH
|
|
CT_KERNEL_ARCH="${CT_ARCH}"
|
|
|
|
# Set the default values for ARCH, ABI, CPU, TUNE, FPU and FLOAT
|
|
unset CT_ARCH_ARCH_CFLAG CT_ARCH_ABI_CFLAG CT_ARCH_CPU_CFLAG CT_ARCH_TUNE_CFLAG CT_ARCH_FPU_CFLAG
|
|
unset CT_ARCH_WITH_ARCH CT_ARCH_WITH_ABI CT_ARCH_WITH_CPU CT_ARCH_WITH_TUNE CT_ARCH_WITH_FPU
|
|
[ "${CT_ARCH_ARCH}" ] && { CT_ARCH_ARCH_CFLAG="-march=${CT_ARCH_ARCH}"; CT_ARCH_WITH_ARCH="--with-arch=${CT_ARCH_ARCH}"; }
|
|
[ "${CT_ARCH_ABI}" ] && { CT_ARCH_ABI_CFLAG="-mabi=${CT_ARCH_ABI}"; CT_ARCH_WITH_ABI="--with-abi=${CT_ARCH_ABI}"; }
|
|
[ "${CT_ARCH_CPU}" ] && { CT_ARCH_CPU_CFLAG="-mcpu=${CT_ARCH_CPU}"; CT_ARCH_WITH_CPU="--with-cpu=${CT_ARCH_CPU}"; }
|
|
[ "${CT_ARCH_TUNE}" ] && { CT_ARCH_TUNE_CFLAG="-march=${CT_ARCH_TUNE}"; CT_ARCH_WITH_TUNE="--with-tune=${CT_ARCH_TUNE}"; }
|
|
[ "${CT_ARCH_FPU}" ] && { CT_ARCH_FPU_CFLAG="-mfpu=${CT_ARCH_FPU}"; CT_ARCH_WITH_FPU="--with-fpu=${CT_ARCH_FPU}"; }
|
|
[ "${CT_ARCH_FLOAT_SW}" ] && { CT_ARCH_FPU_CFLAG="-msoft-float"; CT_ARCH_WITH_FLOAT="--with-float=soft"; }
|
|
|
|
# Call the architecture specific settings
|
|
CT_DoArchValues
|
|
|
|
# Finish the target tuple construction
|
|
case "${CT_KERNEL}" in
|
|
linux*) CT_TARGET_KERNEL=linux;;
|
|
esac
|
|
CT_TARGET=`CT_DoConfigSub "${CT_TARGET_ARCH}-${CT_TARGET_VENDOR:-unknown}-${CT_TARGET_KERNEL}-${CT_TARGET_SYS}"`
|
|
|
|
# Prepare the target CFLAGS
|
|
CT_TARGET_CFLAGS="${CT_TARGET_CFLAGS} ${CT_ARCH_ARCH_CFLAGS}"
|
|
CT_TARGET_CFLAGS="${CT_TARGET_CFLAGS} ${CT_ARCH_ABI_CFLAGS}"
|
|
CT_TARGET_CFLAGS="${CT_TARGET_CFLAGS} ${CT_ARCH_CPU_CFLAGS}"
|
|
CT_TARGET_CFLAGS="${CT_TARGET_CFLAGS} ${CT_ARCH_TUNE_CFLAGS}"
|
|
CT_TARGET_CFLAGS="${CT_TARGET_CFLAGS} ${CT_ARCH_FPU_CFLAGS}"
|
|
CT_TARGET_CFLAGS="${CT_TARGET_CFLAGS} ${CT_ARCH_FLOAT_CFLAGS}"
|
|
}
|
|
|
|
# This function does pause the build until the user strikes "Return"
|
|
# Usage: CT_DoPause [optional_message]
|
|
CT_DoPause() {
|
|
local foo
|
|
local message="${1:-Pausing for your pleasure}"
|
|
CT_DoLog INFO "${message}"
|
|
read -p "Press \"Enter\" to continue, or Ctrl-C to stop..." foo >&6
|
|
return 0
|
|
}
|
|
|
|
# This function saves the state of the toolchain to be able to restart
|
|
# at any one point
|
|
# Usage: CT_DoSaveState <next_step_name>
|
|
CT_DoSaveState() {
|
|
[ "${CT_DEBUG_CT_SAVE_STEPS}" = "y" ] || return 0
|
|
local state_name="$1"
|
|
local state_dir="${CT_STATE_DIR}/${state_name}"
|
|
|
|
CT_DoLog DEBUG "Saving state to restart at step \"${state_name}\"..."
|
|
rm -rf "${state_dir}"
|
|
mkdir -p "${state_dir}"
|
|
|
|
case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
|
|
y) tar_opt=z; tar_ext=.gz;;
|
|
*) tar_opt=; tar_ext=;;
|
|
esac
|
|
|
|
CT_DoLog DEBUG " Saving environment and aliases"
|
|
# We must omit shell functions
|
|
set |awk '
|
|
BEGIN { _p = 1; }
|
|
$0~/^[^ ]+ \(\)/ { _p = 0; }
|
|
_p == 1
|
|
$0 == "}" { _p = 1; }
|
|
' >"${state_dir}/env.sh"
|
|
|
|
CT_DoLog DEBUG " Saving CT_CC_CORE_STATIC_PREFIX_DIR=\"${CT_CC_CORE_STATIC_PREFIX_DIR}\""
|
|
CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
|
|
tar cv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}" . |CT_DoLog DEBUG
|
|
CT_Popd
|
|
|
|
CT_DoLog DEBUG " Saving CT_CC_CORE_SHARED_PREFIX_DIR=\"${CT_CC_CORE_SHARED_PREFIX_DIR}\""
|
|
CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
|
|
tar cv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}" . |CT_DoLog DEBUG
|
|
CT_Popd
|
|
|
|
CT_DoLog DEBUG " Saving CT_PREFIX_DIR=\"${CT_PREFIX_DIR}\""
|
|
CT_Pushd "${CT_PREFIX_DIR}"
|
|
tar cv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}" --exclude '*.log' . |CT_DoLog DEBUG
|
|
CT_Popd
|
|
|
|
if [ "${CT_LOG_TO_FILE}" = "y" ]; then
|
|
CT_DoLog DEBUG " Saving log file"
|
|
exec >/dev/null
|
|
case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
|
|
y) gzip -3 -c "${CT_LOG_FILE}" >"${state_dir}/log.gz";;
|
|
*) cat "${CT_LOG_FILE}" >"${state_dir}/log";;
|
|
esac
|
|
exec >>"${CT_LOG_FILE}"
|
|
fi
|
|
}
|
|
|
|
# This function restores a previously saved state
|
|
# Usage: CT_DoLoadState <state_name>
|
|
CT_DoLoadState(){
|
|
local state_name="$1"
|
|
local state_dir="${CT_STATE_DIR}/${state_name}"
|
|
local old_RESTART="${CT_RESTART}"
|
|
local old_STOP="${CT_STOP}"
|
|
|
|
CT_TestOrAbort "The previous build did not reach the point where it could be restarted at \"${CT_RESTART}\"" -d "${state_dir}"
|
|
|
|
# We need to do something special with the log file!
|
|
if [ "${CT_LOG_TO_FILE}" = "y" ]; then
|
|
exec >"${state_dir}/tail.log"
|
|
fi
|
|
CT_DoLog INFO "Restoring state at step \"${state_name}\", as requested."
|
|
|
|
case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
|
|
y) tar_opt=z; tar_ext=.gz;;
|
|
*) tar_opt=; tar_ext=;;
|
|
esac
|
|
|
|
CT_DoLog DEBUG " Removing previous build directories"
|
|
chmod -R u+rwX "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
|
|
rm -rf "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
|
|
mkdir -p "${CT_PREFIX_DIR}" "${CT_CC_CORE_SHARED_PREFIX_DIR}" "${CT_CC_CORE_STATIC_PREFIX_DIR}"
|
|
|
|
CT_DoLog DEBUG " Restoring CT_PREFIX_DIR=\"${CT_PREFIX_DIR}\""
|
|
CT_Pushd "${CT_PREFIX_DIR}"
|
|
tar xv${tar_opt}f "${state_dir}/prefix_dir.tar${tar_ext}" |CT_DoLog DEBUG
|
|
CT_Popd
|
|
|
|
CT_DoLog DEBUG " Restoring CT_CC_CORE_SHARED_PREFIX_DIR=\"${CT_CC_CORE_SHARED_PREFIX_DIR}\""
|
|
CT_Pushd "${CT_CC_CORE_SHARED_PREFIX_DIR}"
|
|
tar xv${tar_opt}f "${state_dir}/cc_core_shared_prefix_dir.tar${tar_ext}" |CT_DoLog DEBUG
|
|
CT_Popd
|
|
|
|
CT_DoLog DEBUG " Restoring CT_CC_CORE_STATIC_PREFIX_DIR=\"${CT_CC_CORE_STATIC_PREFIX_DIR}\""
|
|
CT_Pushd "${CT_CC_CORE_STATIC_PREFIX_DIR}"
|
|
tar xv${tar_opt}f "${state_dir}/cc_core_static_prefix_dir.tar${tar_ext}" |CT_DoLog DEBUG
|
|
CT_Popd
|
|
|
|
# Restore the environment, discarding any error message
|
|
# (for example, read-only bash internals)
|
|
CT_DoLog DEBUG " Restoring environment"
|
|
. "${state_dir}/env.sh" >/dev/null 2>&1 || true
|
|
|
|
# Restore the new RESTART and STOP steps
|
|
CT_RESTART="${old_RESTART}"
|
|
CT_STOP="${old_STOP}"
|
|
unset old_stop old_restart
|
|
|
|
if [ "${CT_LOG_TO_FILE}" = "y" ]; then
|
|
CT_DoLog DEBUG " Restoring log file"
|
|
exec >/dev/null
|
|
case "${CT_DEBUG_CT_SAVE_STEPS_GZIP}" in
|
|
y) zcat "${state_dir}/log.gz" >"${CT_LOG_FILE}";;
|
|
*) cat "${state_dir}/log" >"${CT_LOG_FILE}";;
|
|
esac
|
|
cat "${state_dir}/tail.log" >>"${CT_LOG_FILE}"
|
|
exec >>"${CT_LOG_FILE}"
|
|
rm -f "${state_dir}/tail.log"
|
|
fi
|
|
}
|