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build/tools/bison.jam
Vladimir Prus d841b76c27 Fix up bison's handling of yy sources. Bison produces hpp file when input
has yy extension. Up till now, V2 though it produces h file, which means
that if any source includes hpp file, V2 could try to compile it before
generating the hpp. The compilation fails.

* new/builtin.jam
  Make HPP a separate type.

* tools/bison.jam
  Note that YY is converted to HPP, not H.


[SVN r19847]
2003-08-29 07:01:13 +00:00

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# Copyright (C) Vladimir Prus 2002. Permission to copy, use, modify, sell and
# distribute this software is granted provided this copyright notice appears in
# all copies. This software is provided "as is" without express or implied
# warranty, and with no claim as to its suitability for any purpose.
import generators ;
import feature ;
import type ;
import property ;
feature.feature bison.prefix : : free ;
type.register Y : y ;
type.register YY : yy ;
generators.register-standard bison.bison : Y : C H ;
generators.register-standard bison.bison : YY : CPP HPP ;
rule init ( )
{
}
rule bison ( dst dst_header : src : properties * )
{
local r = [ property.select bison.prefix : $(properties) ] ;
if $(r)
{
PREFIX_OPT on $(<) = -p $(r:G=) ;
}
}
actions bison
{
bison $(PREFIX_OPT) -d -o $(<[1]) $(>)
}