multimedia/mpv Disable EGL only when opengl disabled

[Mike Qin <mikeandmore%gmail.com@localhost>]

Hi

I notice that multimedia/mpv will always disable EGL. This patch only 
disables EGL when opengl option disabled.

It also disables opengl by default to avoid unusable EGL.

Thanks
Mike Qin

? multimedia/mpv/work
Index: multimedia/mpv/Makefile
===================================================================
RCS file: /cvsroot/pkgsrc/multimedia/mpv/Makefile,v
retrieving revision 1.124
diff -u -r1.124 Makefile
--- multimedia/mpv/Makefile	21 Apr 2021 11:42:21 -0000	1.124
+++ multimedia/mpv/Makefile	25 Apr 2021 02:09:40 -0000
@@ -21,7 +21,6 @@
 WAF_REPLACE_EXECUTABLE=	yes
 WAF_CONFIGURE_ARGS+=	--bindir=${PREFIX}/bin
 WAF_CONFIGURE_ARGS+=	--enable-dvdnav
-WAF_CONFIGURE_ARGS+=	--disable-egl-x11
 WAF_CONFIGURE_ARGS+=	--enable-libmpv-shared
 
 PYTHON_FOR_BUILD_ONLY=	yes
Index: multimedia/mpv/options.mk
===================================================================
RCS file: /cvsroot/pkgsrc/multimedia/mpv/options.mk,v
retrieving revision 1.27
diff -u -r1.27 options.mk
--- multimedia/mpv/options.mk	19 Dec 2020 12:17:29 -0000	1.27
+++ multimedia/mpv/options.mk	25 Apr 2021 02:09:40 -0000
@@ -21,7 +21,7 @@
 .include "../../mk/bsd.fast.prefs.mk"
 
 .if ${OPSYS} != "Darwin"
-PKG_SUGGESTED_OPTIONS+=		opengl libdrm x11
+PKG_SUGGESTED_OPTIONS+=		libdrm x11
 .endif
 
 .include "../../multimedia/libva/available.mk"
@@ -170,6 +170,8 @@
 SUBST_MESSAGE.vc=	Fixing path to VideoCore libraries.
 SUBST_FILES.vc=		waftools/checks/custom.py
 SUBST_SED.vc+=		-e 's;opt/vc;${PREFIX};g'
+.else
+WAF_CONFIGURE_ARGS+=	--disable-egl-x11
 .endif
 
 ###