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-rw-r--r--auto/os/freebsd3
1 files changed, 3 insertions, 0 deletions
diff --git a/auto/os/freebsd b/auto/os/freebsd
index 0835b745c..b8c524ae3 100644
--- a/auto/os/freebsd
+++ b/auto/os/freebsd
@@ -4,6 +4,9 @@ CORE_DEPS="$UNIX_DEPS $FREEBSD_DEPS"
CORE_SRCS="$UNIX_SRCS $FREEBSD_SRCS"
+# __FreeBSD_version is the best way to learn when
+# some capability appeared or became safe to use
+
version=`grep "#define __FreeBSD_version" /usr/include/osreldate.h \
| sed -e 's/^.* \(.*\)$/\1/'`