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https://github.com/crosstool-ng/crosstool-ng.git
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221 lines
6.2 KiB
Plaintext
221 lines
6.2 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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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_DoLog ERROR "Look at \"${CT_ACTUAL_LOG_FILE}\" for more info on this error."
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exit $ret
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}
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trap CT_OnError ERR
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set -E
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set -o pipefail
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# This is crosstool-ng-0.0.1
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CT_VERSION=ng-0.0.1
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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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# Attributes
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_A_NOR="\\033[0m"
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_A_BRI="\\033[1m"
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_A_DIM="\\033[2m"
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_A_UND="\\033[4m"
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_A_BRB="\\033[5m"
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_A_REV="\\033[7m"
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_A_HID="\\033[8m"
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# Fore colors
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_F_BLK="\\033[30m"
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_F_RED="\\033[31m"
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_F_GRN="\\033[32m"
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_F_YEL="\\033[33m"
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_F_BLU="\\033[34m"
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_F_MAG="\\033[35m"
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_F_CYA="\\033[36m"
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_F_WHI="\\033[37m"
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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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# 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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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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*"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}" >>"${CT_ACTUAL_LOG_FILE}"
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color="CT_${cur_L}_COLOR"
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normal="CT_NORMAL_COLOR"
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if [ ${cur_l} -le ${max_level} ]; then
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echo -e "${!color}${l}${!normal}"
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else
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${CT_PROG_BAR}
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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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# Abort the execution with a error message
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# Usage: CT_Abort <message>
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CT_Abort() {
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CT_DoLog ERROR "$1" >&2
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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 "`which \"${1}\"`"
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return 0
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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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