automake: tweak SUBDIR reorder and comment it
It should ease people with all the interaction and platforms and how
they interact (at least from a build POV) with each other.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
diff --git a/src/Makefile.am b/src/Makefile.am
index 29d4ea9..6ce5791 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -38,14 +38,21 @@
SUBDIRS += glx
endif
+## Optionally required by GBM and EGL
if HAVE_PLATFORM_WAYLAND
-SUBDIRS += egl/wayland/wayland-egl egl/wayland/wayland-drm
+SUBDIRS += egl/wayland/wayland-drm
endif
+## Optionally required by EGL (aka PLATFORM_GBM)
if HAVE_GBM
SUBDIRS += gbm
endif
+## Optionally required by EGL
+if HAVE_PLATFORM_WAYLAND
+SUBDIRS += egl/wayland/wayland-egl
+endif
+
if HAVE_EGL
SUBDIRS += egl
endif