Dropping byacc support; bison now required.

src/CMakeLists.txt

@@ -54,7 +54,7 @@ flex_target(REScanner re-scan.l ${CMAKE_CURRENT_BINARY_DIR}/re-scan.cc
             COMPILE_FLAGS "-Pre_")
 add_flex_bison_dependency(REScanner REParser)
 
-bison_target(Parser parse.bison.y
+bison_target(Parser parse.y
              ${CMAKE_CURRENT_BINARY_DIR}/p.cc
              HEADER ${CMAKE_CURRENT_BINARY_DIR}/broparse.h
              COMPILE_FLAGS "-t")

src/make_parser.pl

@@ -1,44 +0,0 @@
-#
-# Generate the yacc/bison grammar file parse.y from parse.in
-#
-# Importantly, it will eliminate the dependence on the internal location stack
-# if it is not supported.
-#
-
-use strict;
-
-
-# figure out which yacc-like thing is used
-# ### Kind of a hack since it uses the Makefile
-
-my $srcdir = $ARGV[0];
-my $builddir = $ARGV[1];
-my $yacc = $ARGV[2];
-
-my $is_bison = ($yacc =~ /bison/);
-
-if ($is_bison)
-  {
-    system ("cp $srcdir/parse.in $builddir/parse.y") == 0 or die "Could not make parse.y: $!\n";
-  }
-else
-  {
-    make_parser();
-  }
-
-
-sub make_parser
-{
-  open PARSE_OUT, ">$builddir/parse.y" or die "Could not open $builddir/parse.y: $!";
-  open PARSE_IN, "$srcdir/parse.in" or die "Could not open $srcdir/parse.in: $!";
-
-  while (<PARSE_IN>)
-    {
-      $_ =~ s/\@\d+/GetCurrentLocation\(\)/g;
-      print PARSE_OUT $_;
-    }
-
-  # yylloc needs to be non-extern for non-bison systems, so stick it here
-  print PARSE_OUT "\n/* Non-extern yylloc needed for non-bison system */\n",
-    "YYLTYPE yylloc;\n"
-}