diff -u -r mutter-3.34.4.orig/cogl/cogl/meson.build mutter-3.34.4/cogl/cogl/meson.build
--- mutter-3.34.4.orig/cogl/cogl/meson.build	2020-02-24 16:26:55.550607420 +0100
+++ mutter-3.34.4/cogl/cogl/meson.build	2020-02-24 16:28:39.528632031 +0100
@@ -48,7 +48,7 @@
 built_headers += [cogl_gl_header_h]
 
 if have_egl
-  cogl_egl_includes_string = '#include <EGL/egl.h>\n#include <EGL/eglext.h>'
+  cogl_egl_includes_string = '#include <EGL/egl.h>\n#include <EGL/eglext.h>\n#include <EGL/eglmesaext.h>'
 else
   cogl_egl_includes_string = ''
 endif