From: Tomohiro Kusumi <tkusumi@xxxxxxxxxx>
This warning has nothing to do with what the code is trying to test.
This test code should keep it volatile, so cast to void* to silence
a warning on discarding volatile.
--
# uname
Linux
# grep memset config.log -A2 | head -3
/tmp/fio-conf-15226-60011-1419.c:6:10: warning: passing argument 1 of 'memset' discards 'volatile' qualifier from pointer target type [-Wdiscarded-qualifiers]
memset(&cid, 0, sizeof(cid));
^
Signed-off-by: Tomohiro Kusumi <tkusumi@xxxxxxxxxx>
---
configure | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure b/configure
index 0aaa3f8..d434815 100755
--- a/configure
+++ b/configure
@@ -938,7 +938,7 @@ cat > $TMPC << EOF
int main(int argc, char **argv)
{
volatile clockid_t cid;
- memset(&cid, 0, sizeof(cid));
+ memset((void*)&cid, 0, sizeof(cid));
return 0;
}
EOF
--
2.9.3
--
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