From b522d8f610e5cf74c949693f816ef4487ddfc2cb Mon Sep 17 00:00:00 2001
From: Dave Keeshan <96727608+davekeeshan@users.noreply.github.com>
Date: Wed, 6 Dec 2023 17:47:58 +0000
Subject: yosys: add new package (#41416)

* Add EDA tools, yosys to Spack
* Add maintainers
* Move from format to f-strings
---
 var/spack/repos/builtin/packages/yosys/package.py | 46 +++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 var/spack/repos/builtin/packages/yosys/package.py

diff --git a/var/spack/repos/builtin/packages/yosys/package.py b/var/spack/repos/builtin/packages/yosys/package.py
new file mode 100644
index 0000000000..29b36aff94
--- /dev/null
+++ b/var/spack/repos/builtin/packages/yosys/package.py
@@ -0,0 +1,46 @@
+# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class Yosys(MakefilePackage):
+    """Yosys is a framework for RTL synthesis tools. It currently has extensive
+    Verilog-2005 support and provides a basic set of synthesis algorithms for
+    various application domains.
+
+    Yosys can be adapted to perform any synthesis job by combining the existing
+    passes (algorithms) using synthesis scripts and adding additional passes
+    as needed by extending the yosys C++ code base.
+
+    Yosys is free software licensed under the ISC license (a GPL compatible
+    license that is similar in terms to the MIT license or the 2-clause BSD license).
+    """
+
+    homepage = "https://yosyshq.net/yosys"
+    url = "https://github.com/YosysHQ/yosys/archive/refs/tags/yosys-0.35.tar.gz"
+    git = "https://github.com/YosysHQ/yosys.git"
+
+    maintainers("davekeeshan")
+
+    version("master", branch="master")
+
+    version("0.35", sha256="a00643cf4cf83701bfa2b358066eb9d360393d30e8f5a8e65f619ab1fd10474a")
+    version("0.34", sha256="57897bc3fe5fdc940e9f3f3ae03b84f5f8e9149b6f26d3699f7ecb9f31a41ae0")
+
+    depends_on("automake", type="build")
+    depends_on("readline")
+    depends_on("pkg-config")
+    depends_on("tcl")
+    depends_on("zlib")
+    depends_on("llvm")
+
+    def setup_build_environment(self, env):
+        env.set("PREFIX", self.prefix)
+        env.set("CXXFLAGS", f'-I{self.spec["readline"].prefix.include}')
+        env.set(
+            "LDFLAGS", f'-L{self.spec["readline"].prefix.lib} -L{self.spec["zlib"].prefix.lib}'
+        )
+        env.set("ABC_READLINE_INCLUDES", f'-I{self.spec["readline"].prefix.include}')
-- 
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