libretro-mednafen-supergrafx: extract using bsdtar to fix build on NetBSD.

[Thomas Klausner <wiz%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Thomas Klausner <wiz%NetBSD.org@localhost>
Pushed By:	wiz
Date:		Sun Jul 16 16:31:51 2017 +0200
Changeset:	a79a04f14f3dddbea6236bccb8b2cead73f5a160

Modified Files:
	libretro-mednafen-supergrafx/Makefile

Log Message:
libretro-mednafen-supergrafx: extract using bsdtar to fix build on NetBSD.

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=a79a04f14f3dddbea6236bccb8b2cead73f5a160

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

diffstat:
 libretro-mednafen-supergrafx/Makefile | 1 +
 1 file changed, 1 insertion(+)

diffs:
diff --git a/libretro-mednafen-supergrafx/Makefile b/libretro-mednafen-supergrafx/Makefile
index 41b748fb65..6da6cd02c4 100644
--- a/libretro-mednafen-supergrafx/Makefile
+++ b/libretro-mednafen-supergrafx/Makefile
@@ -12,6 +12,7 @@ GITHUB_PROJECT=	beetle-supergrafx-libretro
 GITHUB_TAG=	951421d39e6e713395b397c8b2e694aa9eae997d
 
 USE_TOOLS=	gmake
+EXTRACT_USING+=	bsdtar
 
 USE_LANGUAGES=	c c++