BOOST_INCLUDES = -I$(top_srcdir)/boost
INCLUDES = -I${srcdir}/../ $(BOOST_INCLUDES)
-EXTRA_DIST = lyxstring.C lyxstring.h regex.c lyxregex.h
+EXTRA_DIST = lyxstring.C lyxstring.h regex.c lyxregex.h \
+ os_unix.C os_win32.C os_os2.C
if USE_LYXSTRING
LYXSTRING = lyxstring.C lyxstring.h