src/Makefile.am

   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 AM_YFLAGS = "-dv"
  21
  22 LDADD = ../lib/libbison.a $(LIBINTL)
  23
  24 # Use our own Bison to build the parser.  Of course, you ought to
  25 # keep a sane version of Bison nearby...
  26 YACC = ../tests/bison -y --warnings=all,error --report=all
  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.h 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 "'"$$@"' >>$@
  85         $(AM_V_at)chmod a+x $@
  86
  87 echo:
  88         echo $(bison_SOURCES) $(noinst_HEADERS)
  89
  90 # The following rule is not designed to be portable,
  91 # and relies on tools that not everyone has.
  92
  93 # Most functions in src/*.c should have static scope.
  94 # Any that don't must be marked with `extern', but `main'
  95 # and `usage' are exceptions.  They're always extern, but
  96 # don't need to be marked.
  97 #
  98 # The second nm|grep checks for file-scope variables with `extern' scope.
  99 sc_tight_scope: $(all_programs)
 100         @t=exceptions-$$$$;                                             \
 101         trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15;                  \
 102         ( printf '^main$$\n^usage$$\n';                                 \
 103           grep -h -A1 '^extern .*[^;]$$' $(SOURCES)                     \
 104             | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t; \
 105         if nm -e *.$(OBJEXT)                                            \
 106             | sed -n 's/.* T //p'                                       \
 107             | grep -Ev -f $$t; then                                     \
 108           echo 'the above functions should have static scope' 1>&2;     \
 109           exit 1;                                                       \
 110         fi;                                                             \
 111         ( printf '^program_name$$\n';                                   \
 112           sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
 113             $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t;          \
 114         if nm -e *.$(OBJEXT)                                            \
 115             | sed -n 's/.* [BD] //p'                                    \
 116             | grep -Ev -f $$t; then                                     \
 117           echo 'the above variables should have static scope' 1>&2;     \
 118           exit 1;                                                       \
 119         fi