When building mesa egl without x11 and gles2 the headers need a
EGL_NO_X11 define to avoid including X11 headers.
EGL_NO_X11 is lost while building waffle since
CFLAGS defined by pc files are not used.
EGL_NO_X11 is defined in
Signed-off-by: Romain Naour firstname.lastname@example.org [Retrieved from: https://git.buildroot.net/buildroot/tree/package/waffle/0001-cmake-forward-cflags-from-.pc-files-to-waffle-cflags.patch] Signed-off-by: Fabrice Fontaine email@example.com