diff --git a/Sources/Core/ConcurrentDispatch.cpp b/Sources/Core/ConcurrentDispatch.cpp
index 8ae28db0..6be66bb5 100644
--- a/Sources/Core/ConcurrentDispatch.cpp
+++ b/Sources/Core/ConcurrentDispatch.cpp
@@ -38,6 +38,9 @@
 #ifndef _MSC_VER
 #include <unistd.h>
 #endif
+#if defined(__GNUC__)
+#include <sys/sysinfo.h>
+#endif
 #include "ThreadLocalStorage.h"
 
 SPADES_SETTING(core_numDispatchQueueThreads, "auto");
@@ -61,6 +64,8 @@ static int GetNumCores() {
         if(count < 1) { count = 1; }
     }
     return count;
+#elif defined(__GNUC__)
+    return get_nprocs();
 #else
     return sysconf(_SC_NPROCESSORS_ONLN);
 #endif
diff --git a/Sources/Draw/GLLensDustFilter.h b/Sources/Draw/GLLensDustFilter.h
index 8eb0409f..3db0aadb 100644
--- a/Sources/Draw/GLLensDustFilter.h
+++ b/Sources/Draw/GLLensDustFilter.h
@@ -24,6 +24,7 @@
 #include "IGLDevice.h"
 #include <stdint.h>
 #include <vector>
+#include <stdint.h>
 
 namespace spades {
 	namespace draw {