t/yacc-bison-skeleton.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2012 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # Test to make sure bison + bison's skeleton works.
  18 # For Automake bug#7648 and PR automake/491.
  19
  20 required='cc bison'
  21 . test-init.sh
  22
  23 cat >> configure.ac << 'END'
  24 AC_PROG_CC
  25 AC_PROG_YACC
  26 AC_OUTPUT
  27 END
  28
  29 cat > Makefile.am << 'END'
  30 bin_PROGRAMS = zardoz
  31 zardoz_SOURCES = zardoz.y foo.c
  32 AM_YFLAGS = -d --skeleton glr.c
  33 BUILT_SOURCES = zardoz.h
  34 END
  35
  36 # Parser.
  37 cat > zardoz.y << 'END'
  38 %{
  39 int yylex ();
  40 void yyerror (const char *s);
  41 %}
  42 %%
  43 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  44 %%
  45 int yylex () { return 0; }
  46 void yyerror (const char *s) { return; }
  47 END
  48
  49 cat > foo.c << 'END'
  50 #include "zardoz.h"
  51 int main (void)
  52 {
  53   return yyparse ();
  54 }
  55 END
  56
  57 $ACLOCAL
  58 $AUTOCONF
  59 $AUTOMAKE -a
  60
  61 # Try a VPATH build first.
  62 mkdir build
  63 cd build
  64 ../configure YACC='bison -y'
  65 $MAKE
  66 cd ..
  67
  68 # Now try an in-tree build.
  69 ./configure YACC='bison -y'
  70 $MAKE
  71
  72 # Check that distribution is self-contained, and do not require
  73 # bison to be built.
  74 yl_distcheck YACC=false DISTCHECK_CONFIGURE_FLAGS='YACC=false'
  75
  76 :