build: fix gcov failure on ubuntu 24.04

Type: make

Change-Id: Ieee6562de4b9f68d701c27a3c3018431b28eb3b0
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d5c7fd1..1fbb624 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -164,7 +164,7 @@
   add_compile_options(-O0)
   add_compile_definitions(__COVERITY__)
 elseif (${CMAKE_BUILD_TYPE_LC} MATCHES "gcov")
-  add_compile_options(-O0 -fprofile-arcs -ftest-coverage)
+  add_compile_options(-O0 -fprofile-arcs -ftest-coverage -fprofile-update=prefer-atomic)
   add_compile_definitions(CLIB_DEBUG CLIB_GCOV)
   link_libraries(gcov)
 endif()
diff --git a/test/Makefile b/test/Makefile
index bc5bc0c..79feba9 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -393,14 +393,14 @@
 
 .PHONY: cov-post
 cov-post: wipe-cov $(BUILD_COV_DIR)
-	@lcov --capture \
+	@lcov --ignore-errors --capture \
 		--directory $(VPP_BUILD_DIR) \
 		--output-file $(BUILD_COV_DIR)/coverage$(HS_TEST).info
 	@test -z "$(EXTERN_COV_DIR)" || \
-		lcov --capture \
+		lcov --ignore-errors --capture \
 		--directory $(EXTERN_COV_DIR) \
 		--output-file $(BUILD_COV_DIR)/extern-coverage$(HS_TEST).info
-	@lcov --remove $(BUILD_COV_DIR)/coverage$(HS_TEST).info \
+	@lcov --ignore-errors --remove $(BUILD_COV_DIR)/coverage$(HS_TEST).info \
 		$(COV_REM_NOT_CODE) \
 		$(COV_REM_DRIVERS)  \
 		$(COV_REM_TODO_NO_TEST) \