Find dpkg and rpmbuild in usual Fink and MacPort paths

Source/CPack/cmCPackDebGenerator.h

@@ -35,7 +35,10 @@ public:
     {
 #ifdef __APPLE__
     // on MacOS enable CPackDeb iff dpkg is found
-    return cmSystemTools::FindProgram("dpkg") != "" ? true : false;
+    std::vector<std::string> locations;
+    locations.push_back("/sw"); // Fink
+    locations.push_back("/opt/local"); //MacPort
+    return cmSystemTools::FindProgram("dpkg",locations) != "" ? true : false;
 #else
     // legacy behavior on other systems
     return true;

Source/CPack/cmCPackRPMGenerator.h

@@ -39,6 +39,9 @@ public:
     {
 #ifdef __APPLE__
     // on MacOS enable CPackRPM iff rpmbuild is found
+    std::vector<std::string> locations;
+    locations.push_back("/sw"); // Fink
+    locations.push_back("/opt/local"); //MacPort
     return cmSystemTools::FindProgram("rpmbuild") != "" ? true : false;
 #else
     // legacy behavior on other systems