Adding finder for lcov.

FindLcov.cmake

@@ -0,0 +1,28 @@
+# Try to find lcov tool
+#
+# Cache Variables:
+#  LCOV_EXECUTABLE
+#  GENHTML_EXECUTABLE
+#
+# Non-cache variables you might use in your CMakeLists.txt:
+#  LCOV_FOUND
+#
+# Requires these CMake modules:
+#  FindPackageHandleStandardArgs (known included with CMake >=2.6.2)
+
+if(LCOV_EXECUTABLE AND NOT EXISTS "${LCOV_EXECUTABLE}")
+    set(LCOV_EXECUTABLE "notfound" CACHE PATH FORCE "")
+endif()
+
+if(GENHTML_EXECUTABLE AND NOT EXISTS "${GENHTML_EXECUTABLE}")
+    set(GENHTML_EXECUTABLE "notfound" CACHE PATH FORCE "")
+endif()
+
+find_program(LCOV_EXECUTABLE NAMES lcov)
+find_program(GENHTML_EXECUTABLE NAMES genhtml)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args( Lcov DEFAULT_MSG
+                                   LCOV_EXECUTABLE GENHTML_EXECUTABLE)
+
+mark_as_advanced(LCOV_EXECUTABLE GENHTML_EXECUTABLE)