Coverage

- Add `--enable-gcov` and `gcov` make target for Code coverage

configure.ac

@@ -35,6 +35,15 @@ AC_ARG_WITH([extra-ldflags], [AS_HELP_STRING([--with-extra-ldflags=CFLAGS], [Add
 AH_TEMPLATE([TINYFRAME_TRACE], [Defined if trace of Frame Streams is enabled])
 AC_ARG_ENABLE([trace], [AS_HELP_STRING([--enable-trace], [Enable trace output of Frame Streams])], [AC_DEFINE([TINYFRAME_TRACE])])
 
+# Check --enable-gcov
+AC_ARG_ENABLE([gcov], [AS_HELP_STRING([--enable-gcov], [Enable coverage testing])], [
+  coverage_cflags="--coverage -g -O0 -fno-inline -fno-inline-small-functions -fno-default-inline"
+  AC_MSG_NOTICE([enabling coverage testing... $coverage_cflags])
+  AS_VAR_APPEND(CFLAGS, [" $coverage_cflags"])
+])
+AM_CONDITIONAL([ENABLE_GCOV], [test "x$enable_gcov" != "xno"])
+AM_EXTRA_RECURSIVE_TARGETS([gcov])
+
 # pkg-config
 PKG_INSTALLDIR
 

src/Makefile.am

@@ -1,4 +1,6 @@
 MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
+CLEANFILES = *.gcda *.gcno *.gcov
+
 EXTRA_DIST =
 
 SUBDIRS = test
@@ -10,3 +12,10 @@ nobase_include_HEADERS = tinyframe/tinyframe.h
 nobase_nodist_include_HEADERS = tinyframe/version.h
 libtinyframe_la_LDFLAGS = -version-info $(TINYFRAME_LIBRARY_VERSION)
 EXTRA_DIST += tinyframe/version.h.in
+
+if ENABLE_GCOV
+gcov-local:
+	for src in $(libtinyframe_la_SOURCES); do \
+	  gcov -l -r -s "$(srcdir)" "$$src"; \
+	done
+endif

src/test/Makefile.am

@@ -1,6 +1,6 @@
 MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
 
-CLEANFILES = test*.log test*.trs test2.fstrm
+CLEANFILES = test*.log test*.trs test2.fstrm *.gcda *.gcno *.gcov
 
 AM_CFLAGS = -I$(top_srcdir)/src
 
@@ -16,3 +16,10 @@ EXTRA_DIST += test.fstrm
 test2_SOURCES = test2.c
 test2_LDADD = ../libtinyframe.la
 test2_LDFLAGS = -static
+
+if ENABLE_GCOV
+gcov-local:
+	for src in $(test1_SOURCES) $(test2_SOURCES); do \
+	  gcov -l -r -s "$(srcdir)" "$$src"; \
+	done
+endif