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-rwxr-xr-xsrc/binutils-config46
1 files changed, 39 insertions, 7 deletions
diff --git a/src/binutils-config b/src/binutils-config
index 625c1b8..6604a14 100755
--- a/src/binutils-config
+++ b/src/binutils-config
@@ -31,6 +31,10 @@ esyslog() { :; }
die() { eerror "${argv0}: $*"; exit 1; }
umask 022
+# *BSD SED does not work as-is, use GNU SED. TODO: find details.
+SED=$(type -P gsed)
+: ${SED:=$(type -P sed)}
+
usage() {
cat << USAGE_END
Usage: ${HILITE}binutils-config${NORMAL} ${GOOD}[options]${NORMAL} ${BRACKET}[binutils profile]${NORMAL}
@@ -47,7 +51,8 @@ ${HILITE}General Options:${NORMAL}
${GOOD}-L, --get-lib-path${NORMAL} Print path where libraries of the given/current
profile are located.
-Profile names are of the form: ${BRACKET}<CTARGET>-<binutils version>${NORMAL}
+Profile names are of the form: ${BRACKET}<CTARGET>-<binutils version>${NORMAL}, ${BRACKET}latest${NORMAL},
+ ${BRACKET}<CTARGET>-latest${NORMAL}, ${BRACKET}latest${NORMAL}.
For example: ${BRACKET}i686-pc-linux-gnu-2.15.92.0.2${NORMAL}
For more info, please see ${HILITE}binutils-config${NORMAL}(8).
@@ -56,6 +61,26 @@ USAGE_END
exit ${1:-1}
}
+# Usage: version_sorted_paths <CHOST>
+# Returns paths ordered by version from olders to newest.
+# We use the following hack: assume the input containst digits only in places of versions
+# Normalizer:
+# echo "hello-world-1.2.3.444.56778" | ${SED} -e 's/[0-9]\+/0000&/g' | ${SED} -e 's/0*\([0-9]\{4\}\)/\1/g'
+# hello-world-0001.0002.0003.0444.56778
+# That way we can have 9.0 < 10.0 order.
+# TODO: explore how portable 'sort -V' is and try using that instead.
+version_sorted_paths() {
+ local p mangled_v
+ for p in "$@"; do
+ # TODO: avoid -r
+ mangled_v=$(printf "%s" "${p}" |
+ ${SED} -e 's/[0-9]\+/0000&/g' |
+ ${SED} -e 's/0*\([0-9]\{4\}\)/\1/g'
+ )
+ printf "%s %s\n" "${mangled_v}" "${p}"
+ done | LANG=C sort | $SED -e 's/^.* //g'
+}
+
mv_if_diff() {
if cmp -s "$1" "$2" ; then
rm -f "$1"
@@ -454,7 +479,7 @@ switch_profile)
x=${UARG:-$(TARGET=${HOST} set_current_profile)}
PROFILE=""
if [[ -z $(echo ${x} | tr -d '[:digit:]') ]] ; then
- # User gave us a # representing the profile
+ # User gave us a profile index number from '--list-profiles'
i=1
for y in "${ENV_D}"/* ; do
[[ ${y/config-} != ${y} ]] && continue
@@ -468,15 +493,22 @@ switch_profile)
fi
if [[ -z ${PROFILE} ]] ; then
- # User gave us a full HOST-ver
+ # User gave us "latest" or "<CTARGET>-latest".
+ if [[ ${x} == latest ]]; then
+ x=$(version_sorted_paths "${ENV_D}"/${HOST}-* | tail -1)
+ elif [[ ${x} == *-latest ]]; then
+ x=$(version_sorted_paths "${ENV_D}"/${x%-latest}-* | tail -1)
+ fi
+
+ # User gave us a full <CTARGET-version>, <CTARGET> or <version>
x=${x##*/}
if [[ -f ${ENV_D}/${x} ]] ; then
- # Valid HOST-ver yeah!
+ # Valid <CTARGET-version>
PROFILE=${x}
else
- # Not a valid HOST-ver ...
+ # Not a valid <CTARGET-version>
if [[ ! -f ${ENV_D}/config-${x} ]] ; then
- # Maybe they just gave us a ver ...
+ # Maybe they just gave us a <version>. Infer <CTARGET>.
if [[ -f ${ENV_D}/${HOST}-${x} ]] ; then
x=${HOST}-${x}
else
@@ -484,7 +516,7 @@ switch_profile)
fi
PROFILE=${x}
else
- # Maybe they just gave us a target ... pick active profile
+ # Maybe they just gave us a <CTARGET>. Pick active profile
PROFILE=$(TARGET=${x} set_current_profile)
fi
fi