libpng: Use muniversal portgroup

Fixes arm64/x86_64 universal build on Apple Silicon machines. Closes: https://trac.macports.org/ticket/63008 Closes: #12575
macports · Oct 17, 2021 · 5eeb427 · 5eeb427
1 parent ae3920d
commit 5eeb427
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/graphics/libpng/Portfile b/graphics/libpng/Portfile
@@ -1,6 +1,7 @@
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem              1.0
+PortGroup               muniversal 1.0
 
 name                    libpng
 version                 1.6.37