diff -up OpenGTL-0.9.15.2/OpenCTL/tests/library/TestCompileThreading.h.gcc47 OpenGTL-0.9.15.2/OpenCTL/tests/library/TestCompileThreading.h --- OpenGTL-0.9.15.2/OpenCTL/tests/library/TestCompileThreading.h.gcc47 2012-01-10 11:17:50.904275650 -0500 +++ OpenGTL-0.9.15.2/OpenCTL/tests/library/TestCompileThreading.h 2012-01-10 11:17:57.860216380 -0500 @@ -19,6 +19,8 @@ #include "GTLTest/Thread.h" +#include <unistd.h> + #ifdef GTLTEST_HAVE_THREAD class MyThreadTCTLCT : public GTLTest::Thread diff -up OpenGTL-0.9.15.2/OpenCTL/tests/library/TestRuntimeThreading.h.gcc47 OpenGTL-0.9.15.2/OpenCTL/tests/library/TestRuntimeThreading.h --- OpenGTL-0.9.15.2/OpenCTL/tests/library/TestRuntimeThreading.h.gcc47 2012-01-10 11:18:19.128035026 -0500 +++ OpenGTL-0.9.15.2/OpenCTL/tests/library/TestRuntimeThreading.h 2012-01-10 11:18:28.365717117 -0500 @@ -19,6 +19,8 @@ #include "GTLTest/Thread.h" +#include <unistd.h> + #ifdef GTLTEST_HAVE_THREAD class MyThreadTCTLRT : public GTLTest::Thread diff -up OpenGTL-0.9.15.2/OpenGTL/GTLCore/tests/TestMemoryManagerThread.h.gcc47 OpenGTL-0.9.15.2/OpenGTL/GTLCore/tests/TestMemoryManagerThread.h --- OpenGTL-0.9.15.2/OpenGTL/GTLCore/tests/TestMemoryManagerThread.h.gcc47 2011-10-30 10:32:09.000000000 -0400 +++ OpenGTL-0.9.15.2/OpenGTL/GTLCore/tests/TestMemoryManagerThread.h 2012-01-10 11:16:41.936863656 -0500 @@ -18,6 +18,7 @@ */ #include "GTLTest/Thread.h" +#include <unistd.h> #ifdef GTLTEST_HAVE_THREAD diff -up OpenGTL-0.9.15.2/OpenShiva/tests/library/TestKernelThreading.h.gcc47 OpenGTL-0.9.15.2/OpenShiva/tests/library/TestKernelThreading.h --- OpenGTL-0.9.15.2/OpenShiva/tests/library/TestKernelThreading.h.gcc47 2012-01-10 11:18:50.154530703 -0500 +++ OpenGTL-0.9.15.2/OpenShiva/tests/library/TestKernelThreading.h 2012-01-10 11:18:59.409451568 -0500 @@ -21,6 +21,8 @@ #include "GTLCore/Image.h" #include "GTLCore/Type.h" +#include <unistd.h> + #ifdef GTLTEST_HAVE_THREAD class MyThreadTCTLKT : public GTLTest::Thread