Allow to pass extra flags to lcov and geninfo

Author: Morwenn

cmake/FindLcov.cmake

@@ -15,7 +15,10 @@ set(LCOV_DATA_PATH_INIT "${LCOV_DATA_PATH}/init")
 set(LCOV_DATA_PATH_CAPTURE "${LCOV_DATA_PATH}/capture")
 set(LCOV_HTML_PATH "${CMAKE_BINARY_DIR}/lcov/html")
 
-
+set(GENINFO_EXTRA_FLAGS "" CACHE STRING "Additional flags to pass to geninfo.")
+string(REPLACE " " ";" GENINFO_EXTRA_FLAGS "${GENINFO_EXTRA_FLAGS}")
+set(LCOV_EXTRA_FLAGS "" CACHE STRING "Additional flags to pass to lcov.")
+string(REPLACE " " ";" LCOV_EXTRA_FLAGS "${LCOV_EXTRA_FLAGS}")
 
 
 # Search for Gcov which is used by Lcov.
@@ -172,14 +175,15 @@ function (lcov_capture_initial_tgt TNAME)
 				--quiet --base-directory ${PROJECT_SOURCE_DIR} --initial
 				--gcov-tool ${GCOV_BIN} --output-filename ${OUTFILE}
 				${GENINFO_EXTERN_FLAG} ${TDIR}/${FILE}.gcno
+				${GENINFO_EXTRA_FLAGS}
 			DEPENDS ${TNAME}
 			COMMENT "Capturing initial coverage data for ${FILE}"
 		)
 	endforeach()
 
 	# Concatenate all files generated by geninfo to a single file per target.
 	set(OUTFILE "${LCOV_DATA_PATH_INIT}/${TNAME}.info")
-	set(LCOV_EXTRA_FLAGS "--initial")
+	list(APPEND LCOV_EXTRA_FLAGS "--initial")
 	lcov_merge_files("${OUTFILE}" ${GENINFO_FILES})
 	add_custom_target(${TNAME}-capture-init ALL DEPENDS ${OUTFILE})
 
@@ -272,7 +276,7 @@ function (lcov_capture_tgt TNAME)
 				&& ${GCOV_ENV} ${GENINFO_BIN} --quiet --base-directory
 					${PROJECT_SOURCE_DIR} --gcov-tool ${GCOV_BIN}
 					--output-filename ${OUTFILE} ${GENINFO_EXTERN_FLAG}
-					${TDIR}/${FILE}.gcda
+					${TDIR}/${FILE}.gcda ${GENINFO_EXTRA_FLAGS}
 				|| cp ${OUTFILE}.init ${OUTFILE}
 			DEPENDS ${TNAME} ${TNAME}-capture-init "${TDIR}/${FILE}.gcda"
 			COMMENT "Capturing coverage data for ${FILE}"