impalajit-llvm: add new package (#28826)

Co-authored-by: ravil <ravil.dorozhinskii@tum.de>

var/spack/repos/builtin/packages/impalajit-llvm/package.py

@@ -0,0 +1,32 @@
+# Copyright 2013-2021 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 import *
+
+
+class ImpalajitLlvm(CMakePackage):
+    """Impala is a calculator-like language. This is a fork of
+    the original ImpalaJIT project and was enhanced with LLVM JIT.
+    Impala acts as a backend for `easi` project.
+    """
+
+    homepage = "https://github.com/ravil-mobile/ImpalaJIT"
+    git = "https://github.com/ravil-mobile/ImpalaJIT"
+
+    maintainers = ['ravil-mobile']
+
+    version('develop', branch='master')
+    version('1.0.0', tag='v1.0.0')
+
+    variant('shared', default=True, description='build as a shared library')
+
+    depends_on('llvm@10.0.0:11.1.0')
+    depends_on('z3')
+
+    def cmake_args(self):
+        args = []
+        args.append(self.define_from_variant('SHARED_LIB', 'shared'))
+        return args