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-rw-r--r--src/join.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/join.c b/src/join.c
index b17a2a75c..c0d098b5f 100644
--- a/src/join.c
+++ b/src/join.c
@@ -36,6 +36,9 @@ char *xmalloc ();
char *xrealloc ();
static void usage ();
+/* Undefine, to avoid warning about redefinition on some systems. */
+#undef min
+#undef max
#define min(A, B) ((A) < (B) ? (A) : (B))
#define max(A, B) ((A) > (B) ? (A) : (B))