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# This file contains some usefull common functions
# Copyright 2007 Yann E. MORIN
# Licensed under the GPL v2. See COPYING in the root of this package
CT_OnError() {
ret=$?
CT_DoLog ERROR "Build failed in step \"${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}\""
for((step=(CT_STEP_COUNT-1); step>1; step--)); do
CT_DoLog ERROR " called in step \"${CT_STEP_MESSAGE[${step}]}\""
done
CT_DoLog ERROR "Error happened in \"${BASH_SOURCE[1]}\" in function \"${FUNCNAME[1]}\" (line unknown, sorry)"
for((depth=2; ${BASH_LINENO[$((${depth}-1))]}>0; depth++)); do
CT_DoLog ERROR " called from \"${BASH_SOURCE[${depth}]}\" at line # ${BASH_LINENO[${depth}-1]} in function \"${FUNCNAME[${depth}]}\""
done
CT_DoLog ERROR "Look at \"${CT_ACTUAL_LOG_FILE}\" for more info on this error."
exit $ret
}
trap CT_OnError ERR
set -E
set -o pipefail
# This is crosstool-ng-0.0.1
CT_VERSION=ng-0.0.1
# The different log levels:
CT_LOG_LEVEL_ERROR=0
CT_LOG_LEVEL_WARN=1
CT_LOG_LEVEL_INFO=2
CT_LOG_LEVEL_EXTRA=3
CT_LOG_LEVEL_DEBUG=4
# Attributes
_A_NOR="\\033[0m"
_A_BRI="\\033[1m"
_A_DIM="\\033[2m"
_A_UND="\\033[4m"
_A_BRB="\\033[5m"
_A_REV="\\033[7m"
_A_HID="\\033[8m"
# Fore colors
_F_BLK="\\033[30m"
_F_RED="\\033[31m"
_F_GRN="\\033[32m"
_F_YEL="\\033[33m"
_F_BLU="\\033[34m"
_F_MAG="\\033[35m"
_F_CYA="\\033[36m"
_F_WHI="\\033[37m"
# A function to log what is happening
# Different log level are available:
# - ERROR: A serious, fatal error occurred
# - WARN: A non fatal, non serious error occurred, take your responsbility with the generated build
# - INFO: Informational messages
# - EXTRA: Extra informational messages
# - DEBUG: Debug messages
# Usage: CT_DoLog <level> [message]
# If message is empty, then stdin will be logged.
CT_DoLog() {
local max_level LEVEL level cur_l cur_L
local l
eval max_level="\${CT_LOG_LEVEL_${CT_LOG_LEVEL_MAX}}"
# Set the maximum log level to DEBUG if we have none
[ -z ${max_level} ] && max_level=${CT_LOG_LEVEL_DEBUG}
LEVEL="$1"; shift
eval level="\${CT_LOG_LEVEL_${LEVEL}}"
if [ $# -eq 0 ]; then
cat -
else
echo "${1}"
fi |( IFS="\n" # We want the full lines, even leading spaces
cpt=0
indent=$((2*CT_STEP_COUNT))
while read line; do
case "${CT_LOG_SEE_TOOLS_WARN},${line}" in
y,*"warning:"*) cur_L=WARN; cur_l=${CT_LOG_LEVEL_WARN};;
*"error:"*) cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
"make["?*"]:"*"Stop.") cur_L=ERROR; cur_l=${CT_LOG_LEVEL_ERROR};;
*) cur_L="${LEVEL}"; cur_l="${level}";;
esac
l="`printf \"[%-5s]%*s%s%s\" \"${cur_L}\" \"${indent}\" \" \" \"${line}\"`"
# There will always be a log file, be it /dev/null
echo -e "${l}" >>"${CT_ACTUAL_LOG_FILE}"
color="CT_${cur_L}_COLOR"
normal="CT_NORMAL_COLOR"
if [ ${cur_l} -le ${max_level} ]; then
echo -e "${!color}${l}${!normal}"
else
${CT_PROG_BAR}
fi
done
)
return 0
}
# Abort the execution with a error message
# Usage: CT_Abort <message>
CT_Abort() {
CT_DoLog ERROR "$1" >&2
exit 1
}
# Test a condition, and print a message if satisfied
# Usage: CT_Test <message> <tests>
CT_Test() {
local ret
local m="$1"
shift
test "$@" && CT_DoLog WARN "$m"
return 0
}
# Test a condition, and abort with an error message if satisfied
# Usage: CT_TestAndAbort <message> <tests>
CT_TestAndAbort() {
local m="$1"
shift
test "$@" && CT_Abort "$m"
return 0
}
# Test a condition, and abort with an error message if not satisfied
# Usage: CT_TestAndAbort <message> <tests>
CT_TestOrAbort() {
local m="$1"
shift
test "$@" || CT_Abort "$m"
return 0
}
# Test the presence of a tool, or abort if not found
# Usage: CT_HasOrAbort <tool>
CT_HasOrAbort() {
CT_TestAndAbort "\"${1}\" not found and needed for successfull toolchain build." -z "`which \"${1}\"`"
return 0
}
# Get current date with nanosecond precision
# On those system not supporting nanosecond precision, faked with rounding down
# to the highest entire second
# Usage: CT_DoDate <fmt>
CT_DoDate() {
date "$1" |sed -r -e 's/%N$/000000000/;'
}
CT_STEP_COUNT=1
CT_STEP_MESSAGE[${CT_STEP_COUNT}]="<none>"
# Memorise a step being done so that any error is caught
# Usage: CT_DoStep <loglevel> <message>
CT_DoStep() {
local start=`CT_DoDate +%s%N`
CT_DoLog "$1" "================================================================="
CT_DoLog "$1" "$2"
CT_STEP_COUNT=$((CT_STEP_COUNT+1))
CT_STEP_LEVEL[${CT_STEP_COUNT}]="$1"; shift
CT_STEP_START[${CT_STEP_COUNT}]="${start}"
CT_STEP_MESSAGE[${CT_STEP_COUNT}]="$1"
return 0
}
# End the step just being done
# Usage: CT_EndStep
CT_EndStep() {
local stop=`CT_DoDate +%s%N`
local duration=`printf "%032d" $((stop-${CT_STEP_START[${CT_STEP_COUNT}]})) |sed -r -e 's/([[:digit:]]{2})[[:digit:]]{7}$/\.\1/; s/^0+//; s/^\./0\./;'`
local level="${CT_STEP_LEVEL[${CT_STEP_COUNT}]}"
local message="${CT_STEP_MESSAGE[${CT_STEP_COUNT}]}"
CT_STEP_COUNT=$((CT_STEP_COUNT-1))
CT_DoLog "${level}" "${message}: done in ${duration}s"
return 0
}
# Pushes into a directory, and pops back
CT_Pushd() {
pushd "$1" >/dev/null 2>&1
}
CT_Popd() {
popd >/dev/null 2>&1
}
# Makes a path absolute
# Usage: CT_MakeAbsolutePath path
CT_MakeAbsolutePath() {
# Try to cd in that directory
if [ -d "$1" ]; then
CT_Pushd "$1"
pwd
CT_Popd
else
# No such directory, fail back to guessing
case "$1" in
/*) echo "$1";;
*) echo "`pwd`/$1";;
esac
fi
return 0
}
# Creates a temporary directory
# $1: variable to assign to
# Usage: CT_MktempDir foo
CT_MktempDir() {
# Some mktemp do not allow more than 6 Xs
eval "$1"="`mktemp -q -d \"${CT_BUILD_DIR}/.XXXXXX\"`"
CT_TestOrAbort "Could not make temporary directory" -n "${!1}" -a -d "${!1}"
}
# Echoes the specified string on stdout until the pipe breaks.
# Doesn't fail
# $1: string to echo
# Usage: CT_DoYes "" |make oldconfig
CT_DoYes() {
yes "$1" || true
}
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