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 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