Index: lib/std/debug.zig
--- lib/std/debug.zig.orig
+++ lib/std/debug.zig
@@ -170,6 +170,7 @@ pub fn relocateContext(context: *ThreadContext) void {
 }
 
 pub const have_getcontext = @hasDecl(os.system, "getcontext") and
+    (builtin.os.tag != .openbsd) and
     (builtin.os.tag != .linux or switch (builtin.cpu.arch) {
     .x86,
     .x86_64,