+# If we don't have the X11 platform, set this define so we don't try to include
+# the X11 headers.
+if ! echo "$egl_platforms" | grep -q 'x11'; then
+ DEFINES="$DEFINES -DMESA_EGL_NO_X11_HEADERS"
+ GL_PC_CFLAGS="$GL_PC_CFLAGS -DMESA_EGL_NO_X11_HEADERS"
+fi
+