Makefile: explicitly pass $(SRC_PATH) to gcovr

In an out-of-tree build gcovr can get quite confused about what is
going on otherwise.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

diff --git a/Makefile b/Makefile
index 6ccb863..7202ac7 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -964,7 +964,7 @@ $(filter %.1 %.7 %.8,$(DOCS)): scripts/texi2pod.pl
 %/coverage-report.html:
        @mkdir -p $*
        $(call quiet-command,\
-               gcovr -p --html --html-details -o $@, \
+               gcovr -r $(SRC_PATH) -p --html --html-details -o $@, \
                "GEN", "coverage-report.html")
 
 .PHONY: coverage-report