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+SUMMARY = "A C library for selecting an OpenGL API and window system at runtime"
+DESCRIPTION = "A cross-platform C library that allows one to defer selection \
+of an OpenGL API and window system until runtime. For example, on Linux, Waffle \
+enables an application to select X11/EGL with an OpenGL 3.3 core profile, \
+Wayland with OpenGL ES2, and other window system / API combinations."
+HOMEPAGE = "https://gitlab.freedesktop.org/mesa/waffle"
+BUGTRACKER = "https://gitlab.freedesktop.org/mesa/waffle"
+LICENSE = "BSD-2-Clause"
+LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=4c5154407c2490750dd461c50ad94797 \
+                    file://include/waffle-1/waffle.h;endline=24;md5=61dbf8697f61c78645e75a93c585b1bf"
+
+SRC_URI = "git://gitlab.freedesktop.org/mesa/waffle.git;protocol=https;branch=master \
+           file://0001-waffle-do-not-make-core-protocol-into-the-library.patch \
+           file://0001-meson.build-request-native-wayland-scanner.patch \
+           "
+SRCREV = "905c6c10f2483adf0cbfa024e2d3c2ed541fb300"
+S = "${WORKDIR}/git"
+
+inherit meson features_check lib_package bash-completion pkgconfig
+
+DEPENDS:append = " python3 cmake-native"
+
+# This should be overridden per-machine to reflect the capabilities of the GL
+# stack.
+PACKAGECONFIG ??= "${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'glx x11-egl', '', d)} \
+                   ${@bb.utils.contains('DISTRO_FEATURES', 'wayland', 'wayland', '', d)} \
+                   ${@bb.utils.contains('DISTRO_FEATURES', 'opengl', 'gbm surfaceless-egl', '', d)} \
+"
+
+# virtual/libgl requires opengl in DISTRO_FEATURES.
+REQUIRED_DISTRO_FEATURES += "${@bb.utils.contains('DEPENDS', 'virtual/${MLPREFIX}libgl', 'opengl', '', d)}"
+
+# I say virtual/libgl, actually wants gl.pc
+PACKAGECONFIG[glx] = "-Dglx=enabled,-Dglx=disabled,virtual/${MLPREFIX}libgl libx11"
+
+# wants wayland-egl.pc, egl.pc, and the wayland
+# DISTRO_FEATURE.
+PACKAGECONFIG[wayland] = "-Dwayland=enabled,-Dwayland=disabled,virtual/${MLPREFIX}egl wayland wayland-native wayland-protocols"
+
+# wants gbm.pc egl.pc
+PACKAGECONFIG[gbm] = "-Dgbm=enabled,-Dgbm=disabled,virtual/${MLPREFIX}egl virtual/${MLPREFIX}libgbm udev"
+
+# wants egl.pc
+PACKAGECONFIG[x11-egl] = "-Dx11_egl=enabled,-Dx11_egl=disabled,virtual/${MLPREFIX}egl libxcb"
+PACKAGECONFIG[surfaceless-egl] = "-Dsurfaceless_egl=enabled,-Dsurfaceless_egl=disabled,virtual/${MLPREFIX}egl"
+
+# TODO: optionally build manpages and examples
+
+do_install:append() {
+    sed -i -e "s,${WORKDIR},,g" ${D}/${libdir}/cmake/Waffle/WaffleConfig.cmake
+}