From: Matthias Maier <tamiko@43-1.org>
Date: Thu, 26 Jan 2023 15:07:35 +0000 (-0600)
Subject: CMake: do use VERSION for interface targets for older CMake versions
X-Git-Tag: v9.5.0-rc1~598^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c1f4ca7ce7c708cfee910ea8b8225169ae81e7ba;p=dealii.git

CMake: do use VERSION for interface targets for older CMake versions
---

diff --git a/cmake/macros/macro_define_interface_target.cmake b/cmake/macros/macro_define_interface_target.cmake
index 396b1cc753..b63ab41534 100644
--- a/cmake/macros/macro_define_interface_target.cmake
+++ b/cmake/macros/macro_define_interface_target.cmake
@@ -78,9 +78,13 @@ function(define_interface_target _feature)
 
     if(DEFINED ${_feature}_VERSION)
       message(STATUS "    VERSION:             ${${_feature}_VERSION}")
-      set_target_properties(${_interface_target}
-        PROPERTIES VERSION "${${_feature_}_VERSION}"
-        )
+      # CMake versions prior to 3.19 have a significantly more restrictive
+      # set of allowed interface target properties.
+      if(NOT CMAKE_VERSION VERSION_LESS 3.19)
+        set_target_properties(${_interface_target}
+          PROPERTIES VERSION "${${_feature_}_VERSION}"
+          )
+      endif()
     endif()
 
     set(_libraries)