From 635dd9a3065ed88e1741e6b963044b80e913f96a Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Tue, 24 Mar 2020 08:01:01 +0100
Subject: [PATCH] distribute getlib.sh

---
 config/getlib.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 config/getlib.sh

diff --git a/config/getlib.sh b/config/getlib.sh
new file mode 100755
index 0000000..4835cf6
--- /dev/null
+++ b/config/getlib.sh
@@ -0,0 +1,42 @@
+#!/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
-- 
2.25.1

