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add LEXSUFFIX, YACCSUFFIX construction variables - close #31

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This commit is contained in:
Josh Holtrop 2017-05-29 11:03:01 -04:00
parent 6f242a1c64
commit d31b4725d2
1 changed files with 4 additions and 2 deletions
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6
lib/rscons/builders/cfile.rb
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@ -18,9 +18,11 @@ module Rscons
"YACC" => "bison",
"YACC_FLAGS" => ["-d"],
"YACC_CMD" => ["${YACC}", "${YACC_FLAGS}", "-o", "${_TARGET}", "${_SOURCES}"],
"YACCSUFFIX" => [".y", ".yy"],
"LEX" => "flex",
"LEX_FLAGS" => [],
"LEX_CMD" => ["${LEX}", "${LEX_FLAGS}", "-o", "${_TARGET}", "${_SOURCES}"],
"LEXSUFFIX" => [".l", ".ll"],
}
end
@ -41,9 +43,9 @@ module Rscons
})
cmd =
case
when sources.first.end_with?(".l", ".ll")
when sources.first.end_with?(*env.expand_varref("${LEXSUFFIX}"))
"LEX"
when sources.first.end_with?(".y", ".yy")
when sources.first.end_with?(*env.expand_varref("${YACCSUFFIX}"))
"YACC"
else
raise "Unknown source file #{sources.first.inspect} for CFile builder"