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-rw-r--r--graphics/xv/Makefile7
1 files changed, 7 insertions, 0 deletions
diff --git a/graphics/xv/Makefile b/graphics/xv/Makefile
index 1ada7d3aad68..dcc646e89fd5 100644
--- a/graphics/xv/Makefile
+++ b/graphics/xv/Makefile
@@ -65,4 +65,11 @@ post-install:
@${INSTALL_DATA} ${WRKSRC}/docs/gif* ${DOCSDIR}
.endif
+
+.if defined(CC) && ${CC} == "clang"
+# Optimizer crashes with
+# Assertion failed: (isPtrIV == IndVar->getType()->isPointerTy() && "IndVar type must match IVInit type")
+CFLAGS:= ${CFLAGS:S/-O2//g}
+.endif
+
.include <bsd.port.mk>