Windows: enable nimRawSetjmp by default

See nim-lang#19197. The default setjmp can randomly segfault on windows
Menduist · Jun 13, 2022 · 2cc6526 · 2cc6526
1 parent a4fdaa8
commit 2cc6526
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/config/config.nims b/config/config.nims
@@ -20,5 +20,10 @@ when defined(nimStrictMode):
     switch("hintAsError", "ConvFromXtoItselfNotNeeded")
     # future work: XDeclaredButNotUsed
 
+when defined(windows) and (NimMajor, NimMinor) > (1, 0):
+  # Avoid some rare stack corruption while using exceptions with a SEH-enabled
+  # toolchain: https://github.com/nim-lang/Nim/pull/19197
+  switch("define", "nimRawSetjmp")
+
 switch("define", "nimVersion:" & NimVersion)
 switch("define", "nimPreviewDotLikeOps")