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-rw-r--r--lang/algol68g/Makefile8
1 files changed, 7 insertions, 1 deletions
diff --git a/lang/algol68g/Makefile b/lang/algol68g/Makefile
index 47e7bb2253f8..aabe0404e7c9 100644
--- a/lang/algol68g/Makefile
+++ b/lang/algol68g/Makefile
@@ -56,4 +56,10 @@ DISTFILES+= ${PORTDOCS}
PORTEXAMPLES= *
.endif
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${OSVERSION} < 700000
+BROKEN= does not build on 6.X
+.endif
+
+.include <bsd.port.post.mk>