22 lines
826 B
Text
22 lines
826 B
Text
Fix build with Bison 3.7 and newer
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https://github.com/verilator/verilator/commit/aa39d020d88dd1d5beb3810cf551ff879b7f88a4
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Index: src/verilog.y
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--- src/verilog.y.orig
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+++ src/verilog.y
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@@ -207,6 +207,15 @@ static void ERRSVKWD(FileLine* fileline, const string&
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class AstSenTree;
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%}
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+// We run bison with the -d argument. This tells it to generate a
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+// header file with token names. Old versions of bison pasted the
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+// contents of that file into the generated source as well; newer
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+// versions just include it.
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+//
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+// Since we run bison through ../bisonpre, it doesn't know the correct
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+// header file name, so we need to tell it.
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+BISONPRE_VERSION(3.7,%define api.header.include {"V3ParseBison.h"})
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+
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// When writing Bison patterns we use yTOKEN instead of "token",
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// so Bison will error out on unknown "token"s.
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