From 8eee6f3e0c337bffd9967ac5f84a54d32e3cfdf7 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Thu, 28 Feb 2019 14:26:02 +0100
Subject: [PATCH] Allow to have different SOVERSION for each CGAL libraries

In CGAL-4.14, I would like to have `libCGAL.so.13` (to keep
compatibility), but `libCGAL_Image.so.14` (to break compatibility).
---
 Installation/CMakeLists.txt     | 9 ++++++---
 Installation/src/CMakeLists.txt | 6 +++++-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/Installation/CMakeLists.txt b/Installation/CMakeLists.txt
index f40f327b608..0a1e33d64ab 100644
--- a/Installation/CMakeLists.txt
+++ b/Installation/CMakeLists.txt
@@ -366,11 +366,14 @@ endif()
 #   CGAL-4.10  : 13.0.0 (Change the API/ABI in CGAL_ImageIO.)
 #   CGAL-4.11  : 13.0.1 (Nothing different in CGAL compiled libraries.)
 #   CGAL-4.12  : 13.0.2 (Nothing different in CGAL compiled libraries.)
-#   CGAL-4.14  : 14.0.0 (ABI broken in CGAL::Image_3.)
+#   CGAL-4.14  : 14.0.0 , but only for CGAL_ImageIO (ABI broken in CGAL::Image_3.)
+#   CGAL-4.14  :   13.0.3 , for other libraries
 # ¹) According to http://upstream-tracker.org/versions/cgal.html
 
-set( CGAL_SONAME_VERSION "14" )
-set( CGAL_SOVERSION      "14.0.0" )
+set( CGAL_SONAME_VERSION         "13"     )
+set( CGAL_SOVERSION              "13.0.3" )
+set( CGAL_ImageIO_SONAME_VERSION "14"     )
+set( CGAL_ImageIO_SOVERSION      "14.0.0" )
 
 message( STATUS "CGAL_SONAME_VERSION=${CGAL_SONAME_VERSION}" )
 message( STATUS "CGAL_SOVERSION     =${CGAL_SOVERSION}" )
diff --git a/Installation/src/CMakeLists.txt b/Installation/src/CMakeLists.txt
index caf995799b3..09db484fd6e 100644
--- a/Installation/src/CMakeLists.txt
+++ b/Installation/src/CMakeLists.txt
@@ -50,7 +50,11 @@ function (collect_cgal_library LIBRARY_NAME ADDITIONAL_FILES)
       ${rc_file}
       ${ADDITIONAL_FILES})
     #  add_library (${LIBRARY_NAME} ${CGAL_LIBRARY_SOURCE_FILES} ${rc_file} ${ADDITIONAL_FILES}) # builing not creating temporary all_files.cpp
-    if(CGAL_SOVERSION AND CGAL_SONAME_VERSION)
+    if(${LIBRARY_NAME}_SOVERSION AND ${LIBRARY_NAME}_SONAME_VERSION)
+      set_target_properties(${LIBRARY_NAME} PROPERTIES
+        VERSION "${${LIBRARY_NAME}_SOVERSION}"
+        SOVERSION "${${LIBRARY_NAME}_SONAME_VERSION}")
+    elseif(CGAL_SOVERSION AND CGAL_SONAME_VERSION)
       set_target_properties(${LIBRARY_NAME} PROPERTIES
         VERSION "${CGAL_SOVERSION}"
         SOVERSION "${CGAL_SONAME_VERSION}")