1# Make bison/src.
2
3# Copyright (C) 2001-2012 Free Software Foundation, Inc.
4
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 3 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
18AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
19AM_CPPFLAGS = -I$(top_srcdir)/lib
20BISON = ../tests/bison
21# Use our own Bison to build the parser.  Of course, you ought to
22# keep a sane version of Bison nearby...
23YACC = $(BISON) -y
24AM_YFLAGS = -d -v --warnings=all,error --report=all
25
26LDADD = ../lib/libbison.a $(LIBINTL)
27
28bin_PROGRAMS = bison
29bin_SCRIPTS = $(YACC_SCRIPT)
30EXTRA_SCRIPTS = yacc
31
32bison_SOURCES =                                 \
33  AnnotationList.c AnnotationList.h             \
34  InadequacyList.c InadequacyList.h             \
35  LR0.c LR0.h                                   \
36  Sbitset.c Sbitset.h                           \
37  assoc.c assoc.h                               \
38  closure.c closure.h                           \
39  complain.c complain.h                         \
40  conflicts.c conflicts.h                       \
41  derives.c derives.h                           \
42  files.c files.h                               \
43  flex-scanner.h                                \
44  getargs.c getargs.h                           \
45  gram.c gram.h                                 \
46  lalr.h lalr.c                                 \
47  ielr.h ielr.c                                 \
48  location.c location.h                         \
49  main.c                                        \
50  muscle-tab.c muscle-tab.h                     \
51  named-ref.c named-ref.h                       \
52  nullable.c nullable.h                         \
53  output.c output.h                             \
54  parse-gram.y                                  \
55  print.c print.h                               \
56  print_graph.c print_graph.h                   \
57  print-xml.c print-xml.h                       \
58  reader.c reader.h                             \
59  reduce.c reduce.h                             \
60  relation.c relation.h                         \
61  scan-code.h scan-code-c.c                     \
62  scan-gram.h scan-gram-c.c                     \
63  scan-skel.h scan-skel-c.c                     \
64  state.c state.h                               \
65  symlist.c symlist.h                           \
66  symtab.c symtab.h                             \
67  system.h                                      \
68  tables.h tables.c                             \
69  uniqstr.c uniqstr.h                           \
70  graphviz.c graphviz.h
71
72EXTRA_bison_SOURCES = scan-code.l scan-skel.l scan-gram.l
73
74BUILT_SOURCES =                                 \
75  parse-gram.c parse-gram.h                     \
76  scan-code.c                                   \
77  scan-skel.c                                   \
78  scan-gram.c
79
80MOSTLYCLEANFILES = yacc
81
82yacc:
83	$(AM_V_GEN)echo '#! /bin/sh' >$@
84	$(AM_V_at)echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
85	$(AM_V_at)chmod a+x $@
86
87
88# The following rule is not designed to be portable,
89# and relies on tools that not everyone has.
90
91# Most functions in src/*.c should have static scope.
92# Any that don't must be marked with `extern', but `main'
93# and `usage' are exceptions.  They're always extern, but
94# don't need to be marked.
95#
96# The second nm|grep checks for file-scope variables with `extern' scope.
97sc_tight_scope: $(all_programs)
98	@t=exceptions-$$$$;						\
99	trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15;			\
100	( printf '^main$$\n^usage$$\n';					\
101	  grep -h -A1 '^extern .*[^;]$$' $(SOURCES)			\
102	    | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t;	\
103	if nm -e *.$(OBJEXT)						\
104	    | sed -n 's/.* T //p'					\
105	    | grep -Ev -f $$t; then					\
106	  echo 'the above functions should have static scope' 1>&2;	\
107	  exit 1;							\
108	fi;								\
109	( printf '^program_name$$\n';					\
110	  sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
111	    $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t;		\
112	if nm -e *.$(OBJEXT)						\
113	    | sed -n 's/.* [BD] //p'					\
114	    | grep -Ev -f $$t; then					\
115	  echo 'the above variables should have static scope' 1>&2;	\
116	  exit 1;							\
117	fi
118