Index: clamav-0.97.3/libclamav/c++/llvm/lib/ExecutionEngine/JIT/Intercept.cpp
===================================================================
--- clamav-0.97.3.orig/libclamav/c++/llvm/lib/ExecutionEngine/JIT/Intercept.cpp
+++ clamav-0.97.3/libclamav/c++/llvm/lib/ExecutionEngine/JIT/Intercept.cpp
@@ -15,6 +15,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include <unistd.h>
 #include "JIT.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/System/DynamicLibrary.h"