Add a Makefile recipe for lcov

diff --git a/Makefile.am b/Makefile.am
index 48f0e76..8ea26de 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,3 +18,10 @@ EXTRA_DIST = dists tools
 
 valgrind:
        cd test; make valgrind
+
+lcov: check
+       @rm -rf lcov-report
+       @lcov -c --directory src/ --output-file lcov.output
+       @genhtml lcov.output --output-directory lcov-report
+       @rm lcov.output
+       @echo "Coverage report is in file://$(abs_srcdir)/lcov-report/index.html"