This is c language only port. Specifying this fixes lib-depends-check
on sparc64 showing Extra: estdc++.19

okay?

Index: Makefile
===================================================================
RCS file: /cvs/ports/graphics/pqiv/Makefile,v
retrieving revision 1.25
diff -u -p -u -r1.25 Makefile
--- Makefile	4 Nov 2024 15:00:49 -0000	1.25
+++ Makefile	21 Dec 2024 19:12:11 -0000
@@ -4,6 +4,8 @@ GH_ACCOUNT=		phillipberndt
 GH_PROJECT=		pqiv
 GH_TAGNAME=		2.13.2
 
+REVISION=		0
+
 MAINTAINER=		Jeremie Courreges-Anglas <jca@wxcvbn.org>
 
 CATEGORIES=		graphics
@@ -17,6 +19,7 @@ WANTLIB += X11 atk-1.0 c cairo cairo-gob
 WANTLIB += glib-2.0 gobject-2.0 gtk-3 harfbuzz intl m pango-1.0 pangocairo-1.0
 
 COMPILER=		base-clang ports-clang ports-gcc
+COMPILER_LANGS=		c
 
 LIB_DEPENDS=		x11/gtk+3