+## ----------- ##
+## Man Pages. ##
+## ----------- ##
+
+dist_man_MANS = $(srcdir)/bison.1
+
+EXTRA_DIST += $(dist_man_MANS:.1=.x) common.x
+MAINTAINERCLEANFILES += $(dist_man_MANS)
+
+# Depend on configure to get version number changes.
+common_dep = $(top_srcdir)/configure $(srcdir)/common.x
+srcsrcdir = $(top_srcdir)/bin
+$(srcdir)/bison.1: $(common_dep) $(top_srcdir)/src/getargs.c
+
+# Differences to ignore when comparing the man page (the date).
+remove_time_stamp = \
+ sed 's/^\(\.TH[^"]*"[^"]*"[^"]*\)"[^"]*"/\1/'
+
+MOSTLYCLEANFILES = $(srcdir)/*.t
+
+SUFFIXES = .x .1
+
+PREPATH = $(top_builddir)/src
+.x.1:
+ @program=`expr "/$*" : '.*/\(.*\)'` && \
+ save_IFS=$IFS; \
+ IFS=$(PATH_SEPARATOR); \
+ for dir in $(PREPATH); do \
+ IFS=$save_IFS; \
+ echo cd $$dir '&&' $(MAKE) $(AM_MAKEFLAGS) $$program && \
+ (cd $$dir && $(MAKE) $(AM_MAKEFLAGS) $$program) || exit; \
+ done
+ @echo "Updating man page $@"
+ PATH="$(PREPATH)$(PATH_SEPARATOR)$$PATH"; \
+ export PATH; \
+ $(HELP2MAN) \
+ --include=$*.x \
+ --include=$(srcdir)/common.x \
+ --output=$@.t `echo '$*' | sed 's,.*/,,'`
+ if $(remove_time_stamp) $@ >$@a.t 2>/dev/null && \
+ $(remove_time_stamp) $@.t | cmp $@a.t - >/dev/null 2>&1; then \
+ touch $@; \
+ else \
+ mv $@.t $@; \
+ fi
+ rm -f $@*.t
+
+nodist_man_MANS = yacc.1