X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=CMakeLists.txt;h=7bf7503970134c8e7baaf653690d82db2caf1444;hb=a563cfd0f2a5e68ad0eab1a371b141fab4ddd59e;hp=037ede6a1af72772aee088f585005a8a1a75466a;hpb=f97ced2240b1d0299a288d700f1bafdf5a8ca286;p=simgear.git

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 037ede6a..7bf75039 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -167,18 +167,15 @@ if(HAVE_UNISTD_H)
 
         int main() { return 0; }
         "
-        HAVE_CLOCK_GETTIME)    
+        HAVE_CLOCK_GETTIME)
 endif(HAVE_UNISTD_H)
 
 set(RT_LIBRARY "")
 if(HAVE_CLOCK_GETTIME)
-    check_function_exists(clock_gettime CLOCK_GETTIME_IN_LIBC)
-    if(NOT CLOCK_GETTIME_IN_LIBC)
-        check_library_exists(rt clock_gettime "" HAVE_RT)
-        if(HAVE_RT)
-            set(RT_LIBRARY rt)
-        endif(HAVE_RT)
-        endif(NOT CLOCK_GETTIME_IN_LIBC)
+    check_library_exists(rt clock_gettime "" HAVE_RT)
+    if(HAVE_RT)
+        set(RT_LIBRARY rt)
+    endif(HAVE_RT)
 endif(HAVE_CLOCK_GETTIME)
 
 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
@@ -221,6 +218,10 @@ if(WIN32)
     set( RT_LIBRARY "winmm" )
 endif(WIN32)    
 
+if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang") 
+   set (WARNING_FLAGS "-Wall -Wno-overloaded-virtual")
+endif() 
+
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")