+# config.h is in build/., and system.h is in src/src/.
+INCLUDES = -I$(top_builddir) \
+ -I$(top_srcdir)/src \
+ -I$(top_srcdir)/lib
+
+liby_a_SOURCES = main.c yyerror.c
+
+# Heck, we are still using an old version of Automake which does not
+# understand inner AC_LIBOBJ (i.e., from Autoconf itself, not from
+# configure.in).
+EXTRA_DIST = malloc.c realloc.c stdbool_.h strnlen.c
+MOSTLYCLEANFILES = stdbool.h stdbool.h-t
+
+# We need the following in order to create an <stdbool.h> when the system
+# doesn't have one that works.
+$(libbison_a_OBJECTS): $(STDBOOL_H)
+stdbool.h: stdbool_.h
+ sed -e 's/@''HAVE__BOOL''@/$(HAVE__BOOL)/g' <$(srcdir)/stdbool_.h >$@-t
+ mv $@-t $@
+
+libbison_a_SOURCES = \
+ gettext.h \
+ argmatch.c argmatch.h \
+ basename.c dirname.h dirname.c \
+ get-errno.h get-errno.c \
+ getopt.h getopt.c getopt1.c \
+ hash.h hash.c \
+ mbswidth.h mbswidth.c \
+ quote.h quote.c quotearg.h quotearg.c \
+ subpipe.h subpipe.c unlocked-io.h \
+ xalloc.h xmalloc.c xstrdup.c xstrndup.c \
+ $(bitsets_sources) $(additional_bitsets_sources) $(timevars_sources)
+
+# Implementation of bitsets
+bitsets_sources = \
+ abitset.c abitset.h bbitset.h bitset.c bitset.h bitset_stats.c \
+ bitset_stats.h bitsetv.c bitsetv.h ebitset.c ebitset.h lbitset.c \
+ lbitset.h libiberty.h vbitset.c vbitset.h
+
+# Additional bitset operations.
+additional_bitsets_sources = \
+ bitsetv-print.h bitsetv-print.c