[OE-core] [PATCH] wayland: Add PACKAGECONFIG for dtd-validation

[Joshua Watt]

Adds the option to disable DTD validation when building wayland-scanner,
which makes libxml2 optional.

Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
---
 meta/recipes-graphics/wayland/wayland_1.17.0.bb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-graphics/wayland/wayland_1.17.0.bb b/meta/recipes-graphics/wayland/wayland_1.17.0.bb
index 2b5a8f94540..12916a0c40f 100644
--- a/meta/recipes-graphics/wayland/wayland_1.17.0.bb
+++ b/meta/recipes-graphics/wayland/wayland_1.17.0.bb
@@ -10,7 +10,7 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b31d8f53b6aaf2b4985d7dd7810a70d1 \
                     file://src/wayland-server.c;endline=24;md5=b8e046164a766bb1ede8ba38e9dcd7ce"
 
-DEPENDS = "expat libxml2 libffi wayland-native"
+DEPENDS = "expat libffi wayland-native"
 
 SRC_URI = "https://wayland.freedesktop.org/releases/${BPN}-${PV}.tar.xz \
 	   file://fixpathinpcfiles.patch \
@@ -24,6 +24,9 @@ UPSTREAM_CHECK_URI = "https://wayland.freedesktop.org/releases.html"
 
 inherit autotools pkgconfig
 
+PACKAGECONFIG ??= "dtd-validation"
+PACKAGECONFIG[dtd-validation] = "--enable-dtd-validation,--disable-dtd-validation,libxml2,,"
+
 EXTRA_OECONF = "--disable-documentation --with-host-scanner"
 EXTRA_OECONF_class-native = "--disable-documentation --disable-libraries"
 
-- 
2.23.0