[libgnome-keyring] Add option for building with code coverage

[Stefan Walter <stefw src gnome org>]

commit 200ae6effde7d0be7181b4946f945c5cb6a32beb
Author: Stef Walter <stefw gnome org>
Date:   Sat Apr 27 21:53:13 2013 +0200

    Add option for building with code coverage

 .gitignore                |    2 ++
 configure.ac              |   29 +++++++++++++++++++++++++++++
 egg/Makefile.am           |    3 +++
 egg/tests/Makefile.am     |    3 +++
 library/Makefile.am       |    3 ++-
 library/tests/Makefile.am |    3 +++
 6 files changed, 42 insertions(+), 1 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 106a11a..176330b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,8 @@ run-auto-test.h
 *.stamp
 *~
 *.bak
+*.gcda
+*.gcno
 *.tmp
 *.prj
 *.pws
diff --git a/configure.ac b/configure.ac
index d58485c..f0a35f2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -228,6 +228,34 @@ AC_MSG_RESULT($strict_status)
 AC_SUBST(INTROSPECTION_FLAGS)
 AC_SUBST(TEST_MODE)
 
+AC_MSG_CHECKING([whether to build with gcov testing])
+AC_ARG_ENABLE([coverage],
+               [AS_HELP_STRING([--enable-coverage], [Whether to enable coverage testing ])],
+               [],
+               [enable_coverage=no])
+
+AC_MSG_RESULT([$enable_coverage])
+
+AC_MSG_CHECKING([code coverage])
+
+if test "$enable_coverage" = "yes"; then
+       if test "$GCC" != "yes"; then
+               AC_MSG_ERROR(Coverage testing requires GCC)
+       fi
+
+       AC_PATH_PROG(GCOV, gcov, no)
+       if test "$GCOV" = "no" ; then
+               AC_MSG_ERROR(gcov tool is not available)
+       fi
+
+       CFLAGS="$CFLAGS -O0 -g --coverage"
+       LDFLAGS="$LDFLAGS --coverage"
+fi
+
+AM_CONDITIONAL([WITH_COVERAGE], [test "$enable_coverage" = "yes"])
+
+AC_MSG_RESULT($enable_coverage)
+
 # ----------------------------------------------------------------------
 # Status
 
@@ -260,4 +288,5 @@ echo "  Introspection:        $found_introspection"
 echo "  Vala:                 $enable_vala"
 echo "  Debug Build:          $debug_status"
 echo "  Strict Build:         $strict_status"
+echo "  Code Coverage:        $enable_coverage"
 echo
diff --git a/egg/Makefile.am b/egg/Makefile.am
index dedb37c..8bf97ec 100644
--- a/egg/Makefile.am
+++ b/egg/Makefile.am
@@ -20,6 +20,9 @@ libegg_la_SOURCES = \
        egg-secure-memory.c egg-secure-memory.h \
        egg-testing.c egg-testing.h
 
+CLEANFILES = \
+       *.gcda *.gcno
+
 # -------------------------------------------------------------------
 
 SUBDIRS = . tests
diff --git a/egg/tests/Makefile.am b/egg/tests/Makefile.am
index 010cfd4..cf1a883 100644
--- a/egg/tests/Makefile.am
+++ b/egg/tests/Makefile.am
@@ -15,6 +15,9 @@ TEST_PROGS = \
 
 check_PROGRAMS = $(TEST_PROGS)
 
+CLEANFILES = \
+       *.gcda *.gcno
+
 test: ${TEST_PROGS}
        gtester -k --verbose ${TEST_PROGS}
 
diff --git a/library/Makefile.am b/library/Makefile.am
index f4b1578..273844a 100644
--- a/library/Makefile.am
+++ b/library/Makefile.am
@@ -59,7 +59,8 @@ EXTRA_DIST = \
        GnomeKeyring-1.0.metadata \
        GnomeKeyring-1.0-custom.vala
 
-CLEANFILES=
+CLEANFILES = \
+       *.gcda *.gcno
 
 # build introspection typelib
 -include $(INTROSPECTION_MAKEFILE)
diff --git a/library/tests/Makefile.am b/library/tests/Makefile.am
index f992569..14ed08f 100644
--- a/library/tests/Makefile.am
+++ b/library/tests/Makefile.am
@@ -47,6 +47,9 @@ EXTRA_DIST = \
        mock-service-normal.py \
        mock-service-cancel.py
 
+CLEANFILES = \
+       *.gcda *.gcno
+
 test: $(TEST_PROGS)
        gtester -k --verbose $(TEST_PROGS)