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-rw-r--r--src/s/freebsd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/s/freebsd.h b/src/s/freebsd.h
index 951d7870579..730b05fc759 100644
--- a/src/s/freebsd.h
+++ b/src/s/freebsd.h
@@ -2,6 +2,7 @@
/* Get the correct __FreeBSD_version, even if this is before that was
defined. */
+#ifndef __FreeBSD_version
#ifndef __FreeBSD__
#define __FreeBSD_version 199401
#elif __FreeBSD__ == 1
@@ -9,6 +10,7 @@
#else
#include <osreldate.h>
#endif
+#endif /* !defined __FreeBSD_version */
/* '__FreeBSD__' is defined by the preprocessor on FreeBSD-1.1 and up.
Earlier versions do not have shared libraries, so inhibit them.