get-version.sh revision 4028d805f3ab215e39bae405d35e001a538bc50e
#!/bin/sh
#
# extract version numbers from a header file
#
# USAGE: get-version.sh CMD VERSION_HEADER PREFIX
# where CMD is one of: all, major, libtool
# where PREFIX is the prefix to {MAJOR|MINOR|PATCH}_VERSION defines
#
# get-version.sh all returns a dotted version number
# get-version.sh major returns just the major version number
# get-version.sh libtool returns a version "libtool -version-info" format
#
if test $# != 3; then
echo "USAGE: $0 CMD INCLUDEDIR PREFIX"
echo " where CMD is one of: all, major"
exit 1
fi
major_sed="/#define.*$3_MAJORVERSION/s/^.*\([0-9][0-9]*\).*$/\1/p"
minor_sed="/#define.*$3_MINORVERSION/s/^.*\([0-9][0-9]*\).*$/\1/p"
patch_sed="/#define.*$3_PATCHLEVEL/s/^[^0-9]*\([0-9][0-9a-z-]*\).*$/\1/p"
mmn_sed="/#define.*$3_MAJOR/s/^[^0-9]*\([0-9][0-9]*\).*$/\1/p"
major="`sed -n $major_sed $2`"
minor="`sed -n $minor_sed $2`"
patch="`sed -n $patch_sed $2`"
mmn="`sed -n $mmn_sed $2`"
if test "$1" = "all"; then
echo ${major}.${minor}.${patch}
elif test "$1" = "major"; then
echo ${major}
elif test "$1" = "mmn"; then
echo ${mmn}
elif test "$1" = "libtool"; then
# Yes, ${minor}:${patch}:${minor} is correct due to libtool idiocy.
echo ${minor}:${patch}:${minor}
else
echo "ERROR: unknown version CMD ($1)"
exit 1
fi