go-xerrors: add buildlink3.mk

[Benny Siegert <bsiegert%gmail.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Benny Siegert <bsiegert%gmail.com@localhost>
Pushed By:	bsiegert
Date:		Sun Dec 22 17:04:18 2019 +0100
Changeset:	97fbf9d608a53c8a8f61d446658abf02973aa676

Added Files:
	go-xerrors/buildlink3.mk

Log Message:
go-xerrors: add buildlink3.mk

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=97fbf9d608a53c8a8f61d446658abf02973aa676

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 go-xerrors/buildlink3.mk | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diffs:
diff --git a/go-xerrors/buildlink3.mk b/go-xerrors/buildlink3.mk
new file mode 100644
index 0000000000..9723bd435b
--- /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