It's a lot easier to add and remove entries from the Makefile
this way.
lib_LTLIBRARIES = libplybootsplash.la
libplybootsplashdir = $(includedir)/plymouth-1/plybootsplash
-libplybootsplash_HEADERS = ply-entry.h ply-image.h ply-progress-bar.h ply-text-progress-bar.h ply-throbber.h ply-animation.h ply-progress-animation.h ply-window.h ply-label.h ply-boot-splash-plugin.h ply-label-plugin.h ply-boot-splash.h
+libplybootsplash_HEADERS = \
+ ply-animation.h \
+ ply-boot-splash.h \
+ ply-boot-splash-plugin.h \
+ ply-entry.h \
+ ply-image.h \
+ ply-label.h \
+ ply-label-plugin.h \
+ ply-progress-animation.h \
+ ply-progress-bar.h \
+ ply-text-progress-bar.h \
+ ply-throbber.h \
+ ply-window.h
libplybootsplash_la_CFLAGS = $(PLYMOUTH_CFLAGS) \
$(IMAGE_CFLAGS) \