Update gcov build for modern GCC

Author: benwebber

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Coverage
         if: runner.os == 'Linux'
-        run: gcov src/uuid.c
+        run: gcov -o dist src/uuid.c
 
       - name: Upload coverage
         if: runner.os == 'Linux'

.gitignore

@@ -1,7 +1,3 @@
-*.pyc
-.cache
+*.gcov
 .pytest_cache/
-.tox/
-__pycache__
-build/
 dist/

Makefile

@@ -32,21 +32,25 @@ CFLAGS += -DUSE_DEFAULT_ENTRY_POINT
 endif
 
 ifneq ($(DEBUG),)
-CFLAGS += --coverage
+CFLAGS  += --coverage
+LDFLAGS += --coverage
 endif
 
 all: $(LIB)
 
 clean:
 	$(RM) -r $(DIST_DIR)
-	$(RM) *.gcda *.gcno *.gcov
+	$(RM) *.gcov
 
 print-%:
 	@echo '$*=$($*)'
 
 test: $(LIB)
 	uv run --group test pytest --verbose --extension=$(LIB)
 
-$(LIB): $(SOURCES)
+$(LIB): $(DIST_DIR)/uuid.o
+	$(CC) $< $(LDFLAGS) -o $@
+
+$(DIST_DIR)/uuid.o: $(SOURCES)
 	mkdir -p $(DIST_DIR)
-	$(CC) $< $(CFLAGS) $(LDFLAGS) -o $@
+	$(CC) -c $(CFLAGS) $< -o $@