1## Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
2
3## This program is free software; you can redistribute it and/or modify
4## it under the terms of the GNU General Public License as published by
5## the Free Software Foundation; either version 2 of the License, or
6## (at your option) any later version.
7
8## This program is distributed in the hope that it will be useful,
9## but WITHOUT ANY WARRANTY; without even the implied warranty of
10## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11## GNU General Public License for more details.
12
13## You should have received a copy of the GNU General Public License
14## along with this program; if not, write to the Free Software
15## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
16## 02110-1301  USA
17
18DEFS += -DPKGDATADIR=\"$(pkgdatadir)\" -DLOCALEDIR=\"$(datadir)/locale\"
19
20AM_CFLAGS = $(WARNING_CFLAGS) $(WERROR_CFLAGS)
21AM_CPPFLAGS = -I$(top_srcdir)/lib -I../lib
22AM_YFLAGS = "-dv"
23
24LDADD = ../lib/libbison.a $(LIBINTL)
25
26# Use our own Bison to build the parser.  Of course, you ought to
27# keep a sane version of Bison nearby...
28YACC = ../tests/bison -y
29
30bin_PROGRAMS = bison
31bin_SCRIPTS = $(YACC_SCRIPT)
32EXTRA_SCRIPTS = yacc
33
34bison_SOURCES =					  \
35	LR0.c LR0.h				  \
36	assoc.c assoc.h				  \
37	closure.c closure.h			  \
38	complain.c complain.h			  \
39	conflicts.c conflicts.h			  \
40	derives.c derives.h			  \
41	files.c files.h				  \
42	getargs.c getargs.h			  \
43	gram.c gram.h				  \
44	lalr.h lalr.c				  \
45	location.c location.h			  \
46	main.c					  \
47	muscle_tab.c muscle_tab.h		  \
48	nullable.c nullable.h			  \
49	output.c output.h			  \
50	parse-gram.h parse-gram.y		  \
51	print.c print.h				  \
52	print_graph.c print_graph.h		  \
53	reader.c reader.h			  \
54	reduce.c reduce.h			  \
55	relation.c relation.h			  \
56	scan-gram-c.c				  \
57	scan-skel-c.c scan-skel.h		  \
58	state.c state.h				  \
59	symlist.c symlist.h			  \
60	symtab.c symtab.h			  \
61	system.h				  \
62	tables.h tables.c			  \
63	uniqstr.c uniqstr.h			  \
64	vcg.c vcg.h				  \
65	vcg_defaults.h
66
67EXTRA_bison_SOURCES = scan-skel.l scan-gram.l
68
69BUILT_SOURCES = scan-skel.c scan-gram.c parse-gram.c parse-gram.h
70
71MOSTLYCLEANFILES = yacc
72
73yacc:
74	echo '#! /bin/sh' >$@
75	echo 'exec $(bindir)/bison -y "$$@"' >>$@
76	chmod a+x $@
77
78echo:
79	echo $(bison_SOURCES) $(noinst_HEADERS)
80
81# The following rule is not designed to be portable,
82# and relies on tools that not everyone has.
83
84# Most functions in src/*.c should have static scope.
85# Any that don't must be marked with `extern', but `main'
86# and `usage' are exceptions.  They're always extern, but
87# don't need to be marked.
88#
89# The second nm|grep checks for file-scope variables with `extern' scope.
90sc_tight_scope: $(all_programs)
91	@t=exceptions-$$$$;						\
92	trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15;			\
93	( printf '^main$$\n^usage$$\n';					\
94	  grep -h -A1 '^extern .*[^;]$$' $(SOURCES)			\
95	    | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t;	\
96	if nm -e *.$(OBJEXT)						\
97	    | sed -n 's/.* T //p'					\
98	    | grep -Ev -f $$t; then					\
99	  echo 'the above functions should have static scope' 1>&2;	\
100	  exit 1;							\
101	fi;								\
102	( printf '^program_name$$\n';					\
103	  sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
104	    $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t;		\
105	if nm -e *.$(OBJEXT)						\
106	    | sed -n 's/.* [BD] //p'					\
107	    | grep -Ev -f $$t; then					\
108	  echo 'the above variables should have static scope' 1>&2;	\
109	  exit 1;							\
110	fi
111