#!/bin/sh

GETVER="${0%/*}/getver.pl"

GDLIB_MAJOR=$("${GETVER}" MAJOR)

GDLIB_MINOR=$("${GETVER}" MINOR)

GDLIB_REVISION=$("${GETVER}" RELEASE)

# Dynamic library version information

# See http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info

GDLIB_LT_CURRENT=3

# This is the version where the soname (current above) changes.  We use it

# to reset the revision base back to zero.  It's a bit of a pain, but some

# systems restrict the revision range below to [0..255] (like OS X).

GDLIB_PREV_MAJOR=2

GDLIB_PREV_MINOR=2

# This isn't 100% correct, but it tends to be a close enough approximation

# for how we manage the codebase.  It's rare to do a release that doesn't

# modify the library since this project is centered around the library.

GDLIB_LT_REVISION=$(( ((GDLIB_MAJOR - GDLIB_PREV_MAJOR) << 6) | ((GDLIB_MINOR - GDLIB_PREV_MINOR) << 3) | GDLIB_REVISION ))

GDLIB_LT_AGE=0

# The first three fields we feed into libtool and the OS target determines how

# they get used.  The last two fields we feed into cmake.  We use the same rules

# as Linux SONAME versioning in libtool, but cmake should handle it for us.

case $1 in

CURRENT)

	printf '%s' "${GDLIB_LT_CURRENT}"

	;;

REVISION)

	printf '%s' "${GDLIB_LT_REVISION}"

	;;

AGE)

	printf '%s' "${GDLIB_LT_AGE}"

	;;

VERSION)

	printf '%s' "$(( GDLIB_LT_CURRENT - GDLIB_LT_AGE )).${GDLIB_LT_AGE}.${GDLIB_LT_REVISION}"

	;;

SONAME)

	printf '%s' "$(( GDLIB_LT_CURRENT - GDLIB_LT_AGE ))"

	;;

esac