Use pkgconfig for cross-compiling to detect OpenAL

[lugaru.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 44ea757580021415f83f16c2ed3c1d71ce09a0a9..a1ee5c868569de05e6d6a0078e8323ecdd8c20e1 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 project(lugaru)
 
 cmake_minimum_required(VERSION 3.5)
+cmake_policy(SET CMP0004 OLD)
 
 INCLUDE(FindPkgConfig)
 
@@ -199,7 +200,11 @@ option (LUGARU_FORCE_INTERNAL_OPENAL "Force internal libOpenAL, even if there's
 if (NOT LUGARU_FORCE_INTERNAL_OPENAL)
     # FIXME: We should remove bundled libs and allow building OpenAL from source, for all platforms
     if (WIN32)
+      if(CMAKE_CROSSCOMPILING)
+       pkg_check_modules(OpenAL openal)
+      else(CMAKE_CROSSCOMPILING)
         find_package(OpenAL)
+      endif(CMAKE_CROSSCOMPILING)
     else (WIN32)
         find_package(OpenAL REQUIRED)
     endif()
@@ -233,7 +238,7 @@ if (NOT OPENAL_FOUND OR LUGARU_FORCE_INTERNAL_OPENAL)
     endif (NOT LUGARU_HAS_INTERNAL_OPENAL)
 endif (NOT OPENAL_FOUND OR LUGARU_FORCE_INTERNAL_OPENAL)
 
-PKG_SEARCH_MODULE(SDL2 REQUIRED sdl2)
+find_package(sdl2 REQUIRED)
 
 option (LUGARU_FORCE_INTERNAL_PNG "Force internal libPNG, even if there's a system version" False)
 if (NOT LUGARU_FORCE_INTERNAL_PNG)