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Description: Use system Z3
Dafny by default looks for its vendored Z3. Modify it to look for the system
Z3 installation instead.
Forwarded: not-needed
Author: Benjamin Barenblat <bbaren@mit.edu>
--- a/Source/Dafny/DafnyOptions.cs
+++ b/Source/Dafny/DafnyOptions.cs
@@ -283,29 +283,7 @@ namespace Microsoft.Dafny
/// so we vendor a Windows version.
/// </summary>
private void SetZ3ExecutableName() {
- var platform = (int)System.Environment.OSVersion.Platform;
-
- // http://www.mono-project.com/docs/faq/technical/
- var isUnix = platform == 4 || platform == 128;
-
- var z3binName = isUnix ? "z3" : "z3.exe";
- var dafnyBinDir = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
- var z3BinDir = System.IO.Path.Combine(dafnyBinDir, "z3", "bin");
- var z3BinPath = System.IO.Path.Combine(z3BinDir, z3binName);
-
- if (!System.IO.File.Exists(z3BinPath) && !isUnix) {
- // This is most likely a Windows user running from source without downloading z3
- // separately; this is ok, since we vendor z3.exe.
- z3BinPath = System.IO.Path.Combine(dafnyBinDir, z3binName);
- }
-
- if (!System.IO.File.Exists(z3BinPath) && errorReporter != null) {
- var tok = new Bpl.Token(1, 1) { filename = "*** " };
- errorReporter.Warning(MessageSource.Other, tok, "Could not find '{0}' in '{1}'.{2}Downloading and extracting a Z3 distribution to Dafny's 'Binaries' folder would solve this issue; for now, we'll rely on Boogie to find Z3.",
- z3binName, z3BinDir, System.Environment.NewLine);
- } else {
- Z3ExecutablePath = z3BinPath;
- }
+ Z3ExecutablePath = "/usr/bin/z3";
}
public override void Usage() {
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