[OE-core] [PATCHv2 4/6] systemd: for valgrind, define VALGRIND=1

[Christopher Larson]

From: Christopher Larson <chris_larson at mentor.com>

Per the systemd README, this should be defined to run systemd under valgrind,
otherwise false positives will be triggered.

Signed-off-by: Christopher Larson <chris_larson at mentor.com>
---
 meta/recipes-core/systemd/systemd_225.bb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meta/recipes-core/systemd/systemd_225.bb b/meta/recipes-core/systemd/systemd_225.bb
index 18c2448..74304be 100644
--- a/meta/recipes-core/systemd/systemd_225.bb
+++ b/meta/recipes-core/systemd/systemd_225.bb
@@ -127,6 +127,9 @@ EXTRA_OECONF = " --with-rootprefix=${rootprefix} \
 # uclibc does not have NSS
 EXTRA_OECONF_append_libc-uclibc = " --disable-myhostname "
 
+# per the systemd README, define VALGRIND=1 to run under valgrind
+CFLAGS .= "${@bb.utils.contains('PACKAGECONFIG', 'valgrind', ' -DVALGRIND=1', '', d)}"
+
 # disable problematic GCC 5.2 optimizations [YOCTO #8291]
 FULL_OPTIMIZATION_append_arm = " -fno-schedule-insns -fno-schedule-insns2"
 
-- 
2.2.1