A beginning is a very delicate time

klee.nix

@@ -0,0 +1,39 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, cmake
+, llvmPackages_9
+, clang_9
+, z3
+, stp
+, cryptominisat
+, gperftools
+, sqlite
+, gtest
+, lit
+, debug ? false
+}:
+
+stdenv.mkDerivation rec {
+  pname = "klee";
+  version = "2.2";
+  src = fetchFromGitHub {
+    owner = "klee";
+    repo = "klee";
+    rev = "v${version}";
+    sha256 = "Ar3BKfADjJvvP0dI9+x/l3RDs8ncx4jmO7ol4MgOr4M=";
+  };
+  buildInputs = [ llvmPackages_9.llvm clang_9 z3 stp cryptominisat gperftools sqlite ];
+  nativeBuildInputs = [ cmake gtest lit ];
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=${if debug then "Debug" else "Release"}"
+    "-DKLEE_RUNTIME_BUILD_TYPE=${if debug then "Debug" else "Release"}"
+    "-DENABLE_UNIT_TESTS=ON"
+    "-DGTEST_SRC_DIR=${gtest.src}"
+    "-DGTEST_INCLUDE_DIR=${gtest.src}/googletest/include"
+    "-DENABLE_POSIX_RUNTIME=ON"
+  ];
+  /*testPhase = ''
+    make systemtests unittests
+  '';*/
+}