go-xerrors: add buildlink3.mk

diff --git a/go-xerrors/buildlink3.mk b/go-xerrors/buildlink3.mk
new file mode 100644 (file)
index 0000000..9723bd4
--- /dev/null
+++ b/go-xerrors/buildlink3.mk
@@ -0,0 +1,15 @@
+# $NetBSD$
+
+BUILDLINK_TREE+=       go-xerrors
+
+.if !defined(GO_XERRORS_BUILDLINK3_MK)
+GO_XERRORS_BUILDLINK3_MK:=
+
+BUILDLINK_CONTENTS_FILTER.go-xerrors=  ${EGREP} gopkg/
+BUILDLINK_DEPMETHOD.go-xerrors?=               build
+
+BUILDLINK_API_DEPENDS.go-xerrors+=     go-xerrors>=20190719
+BUILDLINK_PKGSRCDIR.go-xerrors?=       ../../wip/go-xerrors
+.endif # GO_XERRORS_BUILDLINK3_MK
+
+BUILDLINK_TREE+=       -go-xerrors