src/Makefile.am

   1 # Make bison/src.
   2
   3 # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
   4 # Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 AM_CFLAGS = $(WARNING_CFLAGS) $(WERROR_CFLAGS)
  20 AM_CPPFLAGS = -I$(top_srcdir)/lib
  21 AM_YFLAGS = "-dv"
  22
  23 LDADD = ../lib/libbison.a $(LIBINTL)
  24
  25 # Use our own Bison to build the parser.  Of course, you ought to
  26 # keep a sane version of Bison nearby...
  27 YACC = ../tests/bison -y --warnings=all,error
  28
  29 bin_PROGRAMS = bison
  30 bin_SCRIPTS = $(YACC_SCRIPT)
  31 EXTRA_SCRIPTS = yacc
  32
  33 bison_SOURCES =                                   \
  34         LR0.c LR0.h                               \
  35         assoc.c assoc.h                           \
  36         closure.c closure.h                       \
  37         complain.c complain.h                     \
  38         conflicts.c conflicts.h                   \
  39         derives.c derives.h                       \
  40         files.c files.h                           \
  41         flex-scanner.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         print-xml.c print-xml.h                   \
  54         reader.c reader.h                         \
  55         reduce.c reduce.h                         \
  56         relation.c relation.h                     \
  57         scan-code.h scan-code-c.c                 \
  58         scan-gram.h scan-gram-c.c                 \
  59         scan-skel.h scan-skel-c.c                 \
  60         state.c state.h                           \
  61         symlist.c symlist.h                       \
  62         symtab.c symtab.h                         \
  63         system.h                                  \
  64         tables.h tables.c                         \
  65         uniqstr.c uniqstr.h                       \
  66         graphviz.c graphviz.h
  67
  68 EXTRA_bison_SOURCES = scan-code.l scan-skel.l scan-gram.l
  69
  70 BUILT_SOURCES =                                 \
  71 parse-gram.c parse-gram.h                       \
  72 scan-code.c                                     \
  73 scan-skel.c                                     \
  74 scan-gram.c
  75
  76 MOSTLYCLEANFILES = yacc
  77
  78 yacc:
  79         echo '#! /bin/sh' >$@
  80         echo "exec '$(bindir)/bison' -y "'"$$@"' >>$@
  81         chmod a+x $@
  82
  83 echo:
  84         echo $(bison_SOURCES) $(noinst_HEADERS)
  85
  86 # The following rule is not designed to be portable,
  87 # and relies on tools that not everyone has.
  88
  89 # Most functions in src/*.c should have static scope.
  90 # Any that don't must be marked with `extern', but `main'
  91 # and `usage' are exceptions.  They're always extern, but
  92 # don't need to be marked.
  93 #
  94 # The second nm|grep checks for file-scope variables with `extern' scope.
  95 sc_tight_scope: $(all_programs)
  96         @t=exceptions-$$$$;                                             \
  97         trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15;                  \
  98         ( printf '^main$$\n^usage$$\n';                                 \
  99           grep -h -A1 '^extern .*[^;]$$' $(SOURCES)                     \
 100             | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t; \
 101         if nm -e *.$(OBJEXT)                                            \
 102             | sed -n 's/.* T //p'                                       \
 103             | grep -Ev -f $$t; then                                     \
 104           echo 'the above functions should have static scope' 1>&2;     \
 105           exit 1;                                                       \
 106         fi;                                                             \
 107         ( printf '^program_name$$\n';                                   \
 108           sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
 109             $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t;          \
 110         if nm -e *.$(OBJEXT)                                            \
 111             | sed -n 's/.* [BD] //p'                                    \
 112             | grep -Ev -f $$t; then                                     \
 113           echo 'the above variables should have static scope' 1>&2;     \
 114           exit 1;                                                       \
 115         fi