Build function overwrite only on Windows and Mac.

From: xhaakon

It is not used on GNU/Linux. This patch allows one to build GammaRay
also for other architectures than i386 and amd64.

core/CMakeLists.txt

@@ -54,11 +54,6 @@ set(gammaray_srcs
   propertyeditor/propertypaletteeditor.cpp
   propertyeditor/palettedialog.cpp
 
-  hooking/abstractfunctionoverwriter.cpp
-  hooking/functionoverwriterfactory.cpp
-  hooking/winfunctionoverwriter.cpp
-  hooking/unixfunctionoverwriter.cpp
-
   tools/modelinspector/modeltester.cpp
   tools/modelinspector/modelmodel.cpp
   tools/modelinspector/modelcellmodel.cpp
@@ -107,6 +102,16 @@ set(gammaray_srcs
   tools/styleinspector/dynamicproxystyle.cpp
 )
 
+if(WIN32 OR APPLE)
+  set(gammaray_srcs
+    ${gammaray_srcs}
+    hooking/abstractfunctionoverwriter.cpp
+    hooking/functionoverwriterfactory.cpp
+    hooking/winfunctionoverwriter.cpp
+    hooking/unixfunctionoverwriter.cpp
+  )
+endif()
+
 if(HAVE_PRIVATE_QT_HEADERS)
   set(gammaray_srcs
     ${gammaray_srcs}

core/hooking/unixfunctionoverwriter.h

@@ -55,6 +55,6 @@ class UnixFunctionOverwriter : public AbstractFunctionOverwriter
 
 }
 
-#endif // Q_OS_WIN
+#endif // !Q_OS_WIN
 
 #endif // UNIXFUNCTIONOVERWRITER_H

core/probe.cpp

@@ -720,6 +720,7 @@ Q_DECL_EXPORT const char *myFlagLocation(const char *method)
 }
 #endif
 
+#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
 void overwriteQtFunctions()
 {
   functionsOverwritten = true;
@@ -748,6 +749,7 @@ void overwriteQtFunctions()
 #endif
 #endif
 }
+#endif
 
 #ifdef Q_OS_WIN
 extern "C" Q_DECL_EXPORT void gammaray_probe_inject();