gnuradio-qtgui: fix Qt5Qwt6.pc not found

[Tobias Nygren <tnn%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Tobias Nygren <tnn%NetBSD.org@localhost>
Pushed By:	tnn
Date:		Sun Aug 30 12:37:30 2020 +0200
Changeset:	310e7dfca6c707d9bea37bf2374981647ad4289f

Modified Files:
	gnuradio-qtgui/Makefile

Log Message:
gnuradio-qtgui: fix Qt5Qwt6.pc not found

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=310e7dfca6c707d9bea37bf2374981647ad4289f

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

diffstat:
 gnuradio-qtgui/Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diffs:
diff --git a/gnuradio-qtgui/Makefile b/gnuradio-qtgui/Makefile
index f21e1575fd..6bbf546104 100644
--- a/gnuradio-qtgui/Makefile
+++ b/gnuradio-qtgui/Makefile
@@ -14,7 +14,11 @@ CMAKE_ARGS+=	-DENABLE_GRC=ON
 
 PLIST_MINUS+=	companion
 
+pre-configure: Qt5Qwt6.pc
+.PHONY: Qt5Qwt6.pc
+Qt5Qwt6.pc:
+	ln -sf ${QWT_DIR}/lib/pkgconfig/Qt5Qwt6.pc ${BUILDLINK_DIR}/lib/pkgconfig/Qt5Qwt6.pc
+
 .include	"../../x11/py-qt5/buildlink3.mk"
 .include	"../../x11/qwt6-qt5/buildlink3.mk"
-
 .include	"../../mk/bsd.pkg.mk"