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set -e
# Adds a new version to one of the toolchain component
# Parse the tools' paths configuration
# It is expected that this script is only to be run from the
# source directory of crosstool-NG, so it is trivial to find
# (we can't use ".", as POSIX states that
# $PATH should be searched for, and $PATH most probably doe
# not include "."), hence the "./".
. "./"
doHelp() {
cat <<-EOF
Usage: ${myname} <--tool> <[options] version [...]> ...
'tool' in one of:
gcc, binutils, glibc, uClibc, newlib, linux, gdb, dmalloc,
duma, strace, ltrace, libelf, gmp, mpfr, ppl, cloog, mpc
Valid options for all tools:
--stable, -s, +x (default)
mark the version as being stable (as opposed to experimental, below)
--experimental, -x, +s
mark the version as being experimental (as opposed to stable, above)
--current, -c, +o (default)
mark the version as being cuurent (as opposed to obsolete, below)
--obsolete, -o, +c
mark the version as being obsolete (as opposed to current, above)
Note: setting a new tool resets to the defaults: 'stable' and 'current'.
'version' is a valid version for the specified tool.
add stable current version to linux kernel:
${myname} --linux
add experimental obsolete version 2.3.5 and stable current versions 2.6.1
and 2.6.2 to glibc, add stable obsolete version 3.3.3 to gcc:
${myname} --glibc -x -o 2.3.5 -s -c 2.6.1 2.6.2 --gcc -o 3.3.3
# Extract field $3 from version $1 with separator $2
getVersionField() {
local version="$1"
local sep="$2"
local field="$3"
echo "${version}${sep}${sep}${sep}${sep}" |cut -d ${sep} -f ${field}
# Effectively add a version to the specified tool
# $cat : tool category
# $tool : tool name
# $tool_prefix : tool directory prefix
# $EXP : set to non empty if experimental, to empty otherwise
# #OBS : set to non empty if obsolete, to empty otherwise
# $1 : version string to add
addToolVersion() {
local version="$1"
local file="$2"
local config_ver_option
local exp_obs_prompt
local deps v ver_M ver_m ver_p
local SedExpr1 SedExpr2
[ -f "${file}" ] || return 0
v=$(echo "${version}" |"${sed}" -r -e 's/-/_/g; s/\./_/g;')
# Check for existing version: it can be legitimitate for an end-user
# to try adding a new version if the one he/she wants is not listed.
# But it can be the case where the version is hidden behind either one
# of EXPERIMENTAL or OBSOLETE, so warn if the version is already listed.
if ${grep} -E "^config ${config_ver_option}$" "${file}" >/dev/null 2>&1; then
echo "'${tool}': version '${version}' already present:"
${grep} -A1 -B0 -n \
-E "^(config ${config_ver_option}| {4}prompt \"${version}\")$" \
"${file}" /dev/null
return 0
SedExpr1="${SedExpr1}config ${config_ver_option}\n"
SedExpr1="${SedExpr1} bool\n"
SedExpr1="${SedExpr1} prompt \"${version}"
case "${EXP},${OBS}" in
,) ;;
,*) exp_obs_prompt=" (OBSOLETE)"
deps=" depends on OBSOLETE"
*,) exp_obs_prompt=" (EXPERIMENTAL)"
deps=" depends on EXPERIMENTAL"
*) exp_obs_prompt=" (EXPERIMENTAL, OBSOLETE)"
deps=" depends on EXPERIMENTAL \\&\\& OBSOLETE"
[ -n "${exp_obs_prompt}" ] && SedExpr1="${SedExpr1}${exp_obs_prompt}"
[ -n "${deps}" ] && SedExpr1="${SedExpr1}\n${deps}"
case "${tool}" in
# Extract 'M'ajor and 'm'inor from version string
ver_M=$(getVersionField "${version}" . 1)
ver_m=$(getVersionField "${version}" . 2)
if [ ${ver_M} -ge 4 ] && [ ${ver_m} -ge 2 ]; then
SedExpr1="${SedExpr1}\n select CC_GCC_${ver_M}_${ver_m}"
# Extract 'M'ajor and 'm'inor from version string
ver_M=$(getVersionField "${version}" . 1)
ver_m=$(getVersionField "${version}" . 2)
if [ \( ${ver_M} -eq 2 -a ${ver_m} -eq 22 \) ]; then
SedExpr1="${SedExpr1}\n select BINUTILS_2_22_or_later"
elif [ \( ${ver_M} -eq 2 -a ${ver_m} -eq 21 \) ]; then
SedExpr1="${SedExpr1}\n select BINUTILS_2_21_or_later"
elif [ \( ${ver_M} -eq 2 -a ${ver_m} -eq 20 \) ]; then
SedExpr1="${SedExpr1}\n select BINUTILS_2_20_or_later"
elif [ \( ${ver_M} -eq 2 -a ${ver_m} -eq 19 \) ]; then
SedExpr1="${SedExpr1}\n select BINUTILS_2_19_or_later"
elif [ \( ${ver_M} -eq 2 -a ${ver_m} -eq 18 \) ]; then
SedExpr1="${SedExpr1}\n select BINUTILS_2_18_or_later"
# uClibc-0.9.30 and above need some love
ver_M=$(getVersionField "${version}" . 1)
ver_m=$(getVersionField "${version}" . 2)
ver_p=$(getVersionField "${version}" . 3)
if [ ${ver_M} -eq 0 -a ${ver_m} -eq 9 -a ${ver_p} -eq 30 \
-o ${ver_M} -eq 0 -a ${ver_m} -eq 9 -a ${ver_p} -eq 31 ]; then
SedExpr1="${SedExpr1}\n select LIBC_UCLIBC_0_9_30_or_later"
elif [ ${ver_M} -eq 0 -a ${ver_m} -eq 9 -a ${ver_p} -eq 32 ]; then
SedExpr1="${SedExpr1}\n select LIBC_UCLIBC_0_9_32_or_later"
# gdb-7.0 and above have special handling
ver_M=$(getVersionField "${version}" . 1)
if [ ${ver_M} -ge 7 ]; then
if [ ${ver_m} -ge 2 ]; then
SedExpr1="${SedExpr1}\n select GDB_7_2_or_later"
SedExpr1="${SedExpr1}\n select GDB_7_0_or_later"
SedExpr2=" default \"${version}\" if ${config_ver_option}"
"${sed}" -r -i -e 's/^(# CT_INSERT_VERSION_BELOW)$/\1\n\n'"${SedExpr1}"'/;' "${file}"
"${sed}" -r -i -e 's/^(# CT_INSERT_VERSION_STRING_BELOW)$/\1\n'"${SedExpr2}"'/;' "${file}"
if [ $# -eq 0 ]; then
exit 1
while [ $# -gt 0 ]; do
case "$1" in
# Tools:
--gcc) EXP=; OBS=; cat=CC_GCC; tool=gcc; tool_prefix=cc; dot2suffix=;;
--binutils) EXP=; OBS=; cat=BINUTILS; tool=binutils; tool_prefix=binutils; dot2suffix=;;
--glibc) EXP=; OBS=; cat=LIBC_GLIBC; tool=glibc; tool_prefix=libc; dot2suffix=;;
--uClibc) EXP=; OBS=; cat=LIBC_UCLIBC; tool=uClibc; tool_prefix=libc; dot2suffix=;;
--newlib) EXP=; OBS=; cat=LIBC_NEWLIB; tool=newlib; tool_prefix=libc; dot2suffix=;;
--linux) EXP=; OBS=; cat=KERNEL; tool=linux; tool_prefix=kernel; dot2suffix=;;
--gdb) EXP=; OBS=; cat=GDB; tool=gdb; tool_prefix=debug; dot2suffix=;;
--dmalloc) EXP=; OBS=; cat=DMALLOC; tool=dmalloc; tool_prefix=debug; dot2suffix=;;
--duma) EXP=; OBS=; cat=DUMA; tool=duma; tool_prefix=debug; dot2suffix=;;
--strace) EXP=; OBS=; cat=STRACE; tool=strace; tool_prefix=debug; dot2suffix=;;
--ltrace) EXP=; OBS=; cat=LTRACE; tool=ltrace; tool_prefix=debug; dot2suffix=;;
--gmp) EXP=; OBS=; cat=GMP; tool=gmp; tool_prefix=companion_libs; dot2suffix=;;
--mpfr) EXP=; OBS=; cat=MPFR; tool=mpfr; tool_prefix=companion_libs; dot2suffix=;;
--ppl) EXP=; OBS=; cat=PPL; tool=ppl; tool_prefix=companion_libs; dot2suffix=;;
--cloog) EXP=; OBS=; cat=CLOOG; tool=cloog; tool_prefix=companion_libs; dot2suffix=;;
--mpc) EXP=; OBS=; cat=MPC; tool=mpc; tool_prefix=companion_libs; dot2suffix=;;
--libelf) EXP=; OBS=; cat=LIBELF; tool=libelf; tool_prefix=companion_libs; dot2suffix=;;
# Tools options:
-x|--experimental|+s) EXP=1;;
-s|--stable|+x) EXP=;;
-o|--obsolete|+c) OBS=1;;
-c|--current|+o) OBS=;;
# Misc:
-h|--help) doHelp; exit 0;;
-*) echo "Unknown option: '$1' (use -h/--help for help)."; exit 1;;
# Version string:
*) [ -n "${tool}" ] || { doHelp; exit 1; }
addToolVersion "$1" "${file_base}${dot2suffix}"