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From 25e12cf5918884f232cebc34c92bd548fe40c2b3 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <anonymous.maarten@gmail.com>
Date: Fri, 9 Dec 2022 19:13:09 +0100
Subject: [PATCH] cmake: extract libtool from configure.ac and convert to
SOVERSION
Upstream-Status: Backport [https://github.com/dbry/WavPack/commit/25e12cf5918884f232cebc34c92bd548fe40c2b3]
Signed-off-by: alperak <alperyasinak1@gmail.com>
---
CMakeLists.txt | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index adc73b09..7ae5043f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,18 @@ cmake_minimum_required(VERSION 3.2)
project(WavPack VERSION 5.6.0)
+file(READ "${CMAKE_CURRENT_SOURCE_DIR}/configure.ac" CONFIGURE_AC)
+string(REGEX MATCH "LT_CURRENT=([0-9]+)" LT_CURRENT "${CONFIGURE_AC}")
+set(LT_CURRENT "${CMAKE_MATCH_1}")
+string(REGEX MATCH "LT_REVISION=([0-9]+)" LT_REVISION "${CONFIGURE_AC}")
+set(LT_REVISION "${CMAKE_MATCH_1}")
+string(REGEX MATCH "LT_AGE=([0-9]+)" LT_AGE "${CONFIGURE_AC}")
+set(LT_AGE "${CMAKE_MATCH_1}")
+
+math(EXPR SOVERSION_MAJOR "${LT_CURRENT}-${LT_AGE}")
+math(EXPR SOVERSION_MINOR "${LT_AGE}")
+math(EXPR SOVERSION_MICRO "${LT_REVISION}")
+
# Languages
include(CheckLanguage)
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