xarcan: fix build

The package won't build if glamor is enabled because of a conflicting
declaration of GC thus disable glamor for now.

srcpkgs/xarcan/template

@@ -1,7 +1,7 @@
 # Template file for 'xarcan'
 pkgname=xarcan
 version=0.5.4
-revision=6
+revision=7
 build_style=gnu-configure
 short_desc="Patched Xserver that bridges connections to Arcan"
 maintainer="Piraty <piraty1@inbox.ru>"
@@ -11,18 +11,21 @@ distfiles="https://github.com/letoram/xarcan/archive/${version}.tar.gz"
 checksum=ea37709c56b4c649ea2263531a02d511ff44dcd842833be5f8db41641045d5a1
 
 configure_args="--enable-kdrive --enable-xarcan --disable-xorg
- --disable-xwayland --disable-xnest --disable-xvfb --enable-glamor --enable-glx
+ --disable-xwayland --disable-xnest --disable-xvfb --disable-glamor --enable-glx
  --disable-int10-module --with-xkb-path=/usr/share/X11/xkb
  --with-xkb-output=/var/lib/xkb  --enable-ipv6 --enable-record
  --with-fontrootdir=/usr/share/fonts/X11 --with-shared-memory-dir=/dev/shm
  --without-systemd-daemon --without-systemd-daemon --enable-xcsecurity --disable-static"
 
-hostmakedepends="pkg-config autoconf automake libtool xorg-util-macros font-util xtrans"
-makedepends="
- pixman-devel libdrm-devel libX11-devel MesaLib-devel libressl-devel
- libXfont2-devel libxkbfile-devel libepoxy-devel arcan-devel xorgproto"
+hostmakedepends="automake libtool pkg-config xorg-util-macros font-util xtrans"
+makedepends="pixman-devel libdrm-devel libX11-devel
+ MesaLib-devel libressl-devel libXfont2-devel libxkbfile-devel
+ libepoxy-devel arcan-devel xorgproto"
 
 pre_configure() {
+	vsed -i configure.ac \
+		-e "s;gl >= 7.1.0;gl >= 1.2;" \
+		-e "s;gl >= 9.2.0;gl >= 1.2;"
 	NOCONFIGURE=1 ./autogen.sh
 }