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 18 AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS) 19 AM_CPPFLAGS = -I$(top_srcdir)/lib 20 BISON = ../tests/bison 21 # Use our own Bison to build the parser. Of course, you ought to 22 # keep a sane version of Bison nearby... 23 YACC = $(BISON) -y 24 AM_YFLAGS = -d -v --warnings=all,error --report=all 25 26 LDADD = ../lib/libbison.a $(LIBINTL) 27 28 bin_PROGRAMS = bison 29 bin_SCRIPTS = $(YACC_SCRIPT) 30 EXTRA_SCRIPTS = yacc 31 32 bison_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 72 EXTRA_bison_SOURCES = scan-code.l scan-skel.l scan-gram.l 73 74 BUILT_SOURCES = \ 75 parse-gram.c parse-gram.h \ 76 scan-code.c \ 77 scan-skel.c \ 78 scan-gram.c 79 80 MOSTLYCLEANFILES = yacc 81 82 yacc: 83 $(AM_V_GEN)echo '#! /bin/sh' >$@ 84 $(AM_V_at)echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@ 85 $(AM_V_at)chmod a+x $@ 86 87 88 # The following rule is not designed to be portable, 89 # and relies on tools that not everyone has. 90 91 # Most functions in src/*.c should have static scope. 92 # Any that don't must be marked with `extern', but `main' 93 # and `usage' are exceptions. They're always extern, but 94 # don't need to be marked. 95 # 96 # The second nm|grep checks for file-scope variables with `extern' scope. 97 sc_tight_scope: $(all_programs) 98 @t=exceptions-$$$$; \ 99 trap 's=$$?; 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
