Moved configuration to root CMakeLists so it is near to option() calls.

CMakeLists.txt

@@ -39,6 +39,17 @@ else()
     find_package(OpenGLES2 REQUIRED)
 endif()
 
+# Configuration variables (saved later to corradeConfigure.h)
+if(TARGET_GLES)
+    set(MAGNUM_TARGET_GLES 1)
+endif()
+if(TARGET_GLES2)
+    set(MAGNUM_TARGET_GLES2 1)
+endif()
+if(GCC46_COMPATIBILITY)
+    set(MAGNUM_GCC46_COMPATIBILITY 1)
+endif()
+
 # Installation paths
 set(MAGNUM_LIBRARY_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX})
 set(MAGNUM_CMAKE_MODULE_INSTALL_DIR ${CMAKE_ROOT}/Modules)

src/CMakeLists.txt

@@ -4,18 +4,6 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wdouble-promotion")
 endif()
 
-# If targeting GLES, save it into configuration header
-if(TARGET_GLES)
-    set(MAGNUM_TARGET_GLES 1)
-endif()
-if(TARGET_GLES2)
-    set(MAGNUM_TARGET_GLES2 1)
-endif()
-
-if(GCC46_COMPATIBILITY)
-    set(MAGNUM_GCC46_COMPATIBILITY 1)
-endif()
-
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/magnumConfigure.h.cmake
                ${CMAKE_CURRENT_BINARY_DIR}/magnumConfigure.h)