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-rw-r--r--configure.in3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 9d42330a2a..ebdb0fd498 100644
--- a/configure.in
+++ b/configure.in
@@ -270,7 +270,8 @@ check(tm, y, m, d, h, s)
struct tm *tm;
int y, m, d, h, s;
{
- if (tm->tm_year != y ||
+ if (!tm ||
+ tm->tm_year != y ||
tm->tm_mon != m-1 ||
tm->tm_mday != d ||
tm->tm_hour != h ||