Apply target visibility on cmake < 3.18 only (#1729)

Co-authored-by: Gleb Mazovetskiy <glex.spb@gmail.com>
5 years ago · d0d0719e2d
1 changed files with 4 additions and 1 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -215,7 +215,10 @@ else()
  elseif(TARGET SDL2::SDL2-static)
    # On some distros, such as vitasdk, only the SDL2::SDL2-static target is available.
    # Alias to SDL2::SDL2 because some finder scripts may refer to SDL2::SDL2.
-    set_target_properties(SDL2::SDL2-static PROPERTIES IMPORTED_GLOBAL TRUE)
+    if(CMAKE_VERSION VERSION_LESS "3.18")
+      # Aliasing local targets is not supported on CMake < 3.18, so make it global.
+      set_target_properties(SDL2::SDL2-static PROPERTIES IMPORTED_GLOBAL TRUE)
+    endif()
    add_library(SDL2::SDL2 ALIAS SDL2::SDL2-static)
    set(SDL2_MAIN SDL2::SDL2main)
  else()