t/yacc-bison-skeleton.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2017 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 <https://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_C_INLINE    dnl Required by some pre-C99 compilers such as MSVC.
  26 AC_PROG_YACC
  27 AC_OUTPUT
  28 END
  29
  30 cat > Makefile.am << 'END'
  31 bin_PROGRAMS = zardoz
  32 zardoz_SOURCES = zardoz.y foo.c
  33 AM_YFLAGS = -d --skeleton glr.c
  34 BUILT_SOURCES = zardoz.h
  35 END
  36
  37 # Parser.
  38 cat > zardoz.y << 'END'
  39 %{
  40 int yylex ();
  41 void yyerror (const char *s);
  42 %}
  43 %%
  44 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  45 %%
  46 int yylex () { return 0; }
  47 void yyerror (const char *s) { return; }
  48 END
  49
  50 cat > foo.c << 'END'
  51 #include "zardoz.h"
  52 int main (void)
  53 {
  54   return yyparse ();
  55 }
  56 END
  57
  58 $ACLOCAL
  59 $AUTOCONF
  60 $AUTOMAKE -a
  61
  62 # Try a VPATH build first.
  63 mkdir build
  64 cd build
  65 ../configure YACC='bison -y'
  66 $MAKE
  67 cd ..
  68
  69 # Now try an in-tree build.
  70 ./configure YACC='bison -y'
  71 $MAKE
  72
  73 # Check that distribution is self-contained, and do not require
  74 # bison to be built.
  75 yl_distcheck YACC=false DISTCHECK_CONFIGURE_FLAGS='YACC=false'
  76
  77 :