icarus-verilog: depend on bison at build time
When iverilog is built with the macOS provided bison, it segfaults when outputting certain syntax errors. Closes #27943. Signed-off-by: ilovezfs <ilovezfs@icloud.com>
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@ -3,6 +3,7 @@ class IcarusVerilog < Formula
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homepage "http://iverilog.icarus.com/"
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url "ftp://icarus.com/pub/eda/verilog/v10/verilog-10.2.tar.gz"
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sha256 "96dedbddb12d375edb45a144a926a3ba1e3e138d6598b18e7d79f2ae6de9e500"
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revision 1
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bottle do
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sha256 "81e937d3d6a5f7b22271e79b73618e96db1e52ee491eaf3506671cfb5891c129" => :high_sierra
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@ -15,12 +16,15 @@ class IcarusVerilog < Formula
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depends_on "autoconf" => :build
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end
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# parser is subtly broken when processed with an old version of bison
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depends_on "bison" => :build
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def install
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system "autoconf" if build.head?
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system "./configure", "--prefix=#{prefix}"
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# https://github.com/steveicarus/iverilog/issues/85
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ENV.deparallelize
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system "make", "install"
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system "make", "install", "BISON=#{Formula["bison"].opt_bin}/bison"
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end
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test do
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@ -35,5 +39,10 @@ class IcarusVerilog < Formula
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EOS
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system bin/"iverilog", "-otest", "test.v"
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assert_equal "Boop", shell_output("./test").chomp
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# test syntax errors do not cause segfaults
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(testpath/"error.v").write "error;"
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assert_equal "-:1: error: variable declarations must be contained within a module.",
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shell_output("#{bin}/iverilog error.v 2>&1", 1).chomp
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end
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end
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