The typo that broke the build.
@ -186,7 +186,7 @@ weston_screensaver_SOURCES = \
glmatrix.c \
matrix3.xpm
weston_screensaver_LDADD = $(toolkit_libs) $(GLU_LIBS)
weston_screensaver_CFLAGS = $(toolkit_libs) $(GLU_CFLAGS)
weston_screensaver_CFLAGS = $(GLU_CFLAGS)
endif