X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=CMakeLists.txt;h=4b3c0e10d326536e777ed4775c9cb6a208b32100;hb=4abcf3215f6322c467718c69d0968e123231f9fa;hp=7bf7503970134c8e7baaf653690d82db2caf1444;hpb=4bf4091ef79e53e41c7b0463f58d8fc4c9777f22;p=simgear.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7bf75039..4b3c0e10 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,7 +115,6 @@ find_package(Threads REQUIRED)
 
 if(SIMGEAR_HEADLESS)
     message(STATUS "headless mode")
-    set(NO_OPENSCENEGRAPH_INTERFACE 1)
 else()
     find_package(OpenGL REQUIRED)
     find_package(OpenAL REQUIRED)
@@ -202,6 +201,10 @@ endif(CMAKE_COMPILER_IS_GNUCXX)
 
 if(WIN32)
 
+    if(MINGW)
+        add_definitions(-D_WIN32_WINNT=0x501)
+    endif()
+
     if(MSVC)
         # turn off various warnings
         # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
@@ -218,7 +221,7 @@ if(WIN32)
     set( RT_LIBRARY "winmm" )
 endif(WIN32)    
 
-if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang") 
+if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") 
    set (WARNING_FLAGS "-Wall -Wno-overloaded-virtual")
 endif()