check-builtins::
./check-builtins.sh
+### Test suite coverage testing
+#
+.PHONY: coverage coverage-clean coverage-build coverage-report
+
+coverage:
+ $(MAKE) coverage-build
+ $(MAKE) coverage-report
+
+coverage-clean:
+ rm -f *.gcda *.gcno
+
+COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs
+COVERAGE_LDFLAGS = $(CFLAGS) -O0 -lgcov
+
+coverage-build: coverage-clean
+ $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all
+ $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" \
+ -j1 test
+
+coverage-report:
+ gcov -b *.c
+ grep '^function.*called 0 ' *.c.gcov \
+ | sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
+ | tee coverage-untested-functions