src/Makefile.am

   1 # Make bison/src.
   2
   3 # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 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 2, or (at your option)
   9 # 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, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 # 02110-1301, USA.
  20
  21 AM_CFLAGS = $(WARNING_CFLAGS) $(WERROR_CFLAGS)
  22 AM_CPPFLAGS = -I$(top_srcdir)/lib
  23 AM_YFLAGS = "-dv"
  24
  25 LDADD = ../lib/libbison.a $(LIBINTL)
  26
  27 # Use our own Bison to build the parser.  Of course, you ought to
  28 # keep a sane version of Bison nearby...
  29 YACC = ../tests/bison -y --warnings=all,error
  30
  31 bin_PROGRAMS = bison
  32 bin_SCRIPTS = $(YACC_SCRIPT)
  33 EXTRA_SCRIPTS = yacc
  34
  35 bison_SOURCES =                                   \
  36         LR0.c LR0.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         location.c location.h                     \
  48         main.c                                    \
  49         muscle_tab.c muscle_tab.h                 \
  50         nullable.c nullable.h                     \
  51         output.c output.h                         \
  52         parse-gram.h parse-gram.y                 \
  53         print.c print.h                           \
  54         print_graph.c print_graph.h               \
  55         reader.c reader.h                         \
  56         reduce.c reduce.h                         \
  57         revision.c revision.h                     \
  58         relation.c relation.h                     \
  59         scan-code.h scan-code-c.c                 \
  60         scan-gram.h scan-gram-c.c                 \
  61         scan-skel.h scan-skel-c.c                 \
  62         state.c state.h                           \
  63         symlist.c symlist.h                       \
  64         symtab.c symtab.h                         \
  65         system.h                                  \
  66         tables.h tables.c                         \
  67         uniqstr.c uniqstr.h                       \
  68         graphviz.c graphviz.h
  69
  70 EXTRA_bison_SOURCES = scan-code.l scan-skel.l scan-gram.l
  71
  72 BUILT_SOURCES =                                 \
  73 parse-gram.c parse-gram.h                       \
  74 revision.c                                      \
  75 scan-code.c                                     \
  76 scan-skel.c                                     \
  77 scan-gram.c
  78
  79 MOSTLYCLEANFILES = yacc
  80
  81 yacc:
  82         echo '#! /bin/sh' >$@
  83         echo "exec '$(bindir)/bison' -y \"$$@\"" >>$@
  84         chmod a+x $@
  85
  86 echo:
  87         echo $(bison_SOURCES) $(noinst_HEADERS)
  88
  89 revision.c: $(top_srcdir)/configure $(top_srcdir)/ChangeLog
  90         case "$(VERSION)" in \
  91           *+*) sed -n \
  92             's/^\$$\(Id.*\)\$$$$/const char *revision = "\1\\n";/p' \
  93             $(top_srcdir)/ChangeLog \
  94             ;; \
  95           *) echo 'const char *revision = "";' \
  96             ;; \
  97         esac >$@
  98
  99 # The following rule is not designed to be portable,
 100 # and relies on tools that not everyone has.
 101
 102 # Most functions in src/*.c should have static scope.
 103 # Any that don't must be marked with `extern', but `main'
 104 # and `usage' are exceptions.  They're always extern, but
 105 # don't need to be marked.
 106 #
 107 # The second nm|grep checks for file-scope variables with `extern' scope.
 108 sc_tight_scope: $(all_programs)
 109         @t=exceptions-$$$$;                                             \
 110         trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15;                  \
 111         ( printf '^main$$\n^usage$$\n';                                 \
 112           grep -h -A1 '^extern .*[^;]$$' $(SOURCES)                     \
 113             | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t; \
 114         if nm -e *.$(OBJEXT)                                            \
 115             | sed -n 's/.* T //p'                                       \
 116             | grep -Ev -f $$t; then                                     \
 117           echo 'the above functions should have static scope' 1>&2;     \
 118           exit 1;                                                       \
 119         fi;                                                             \
 120         ( printf '^program_name$$\n';                                   \
 121           sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \
 122             $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t;          \
 123         if nm -e *.$(OBJEXT)                                            \
 124             | sed -n 's/.* [BD] //p'                                    \
 125             | grep -Ev -f $$t; then                                     \
 126           echo 'the above variables should have static scope' 1>&2;     \
 127           exit 1;                                                       \
 128         fi