https://git.ruby-lang.org/ruby.git/commit/?id=88bf8ad6e9

From 88bf8ad6e99fa36c7b4a0b5cbb6fc99777360855 Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@j...>
Date: Thu, 22 Sep 2022 09:35:51 -0700
Subject: Allow --enable-yjit on OpenBSD

yjit uses _Unwind_* functions from libunwind.  These functions
are available in libc++abi (which requires libpthread), so
add those to LDFLAGS if enabling yjit on OpenBSD.
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.ac b/configure.ac
index 9823198960..a3566358bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3767,6 +3767,10 @@ AS_CASE(["${YJIT_SUPPORT}"], https://github.com/ruby/ruby/blob/trunk/configure.ac#L3767
              ]))
 
     YJIT_LIBS="yjit/target/${rb_rust_target_subdir}/libyjit.a"
+    AS_CASE(["$target_os"],[openbsd*],[
+        # Link libc++abi (which requires libpthread) for _Unwind_* functions needed by yjit
+        LDFLAGS="$LDFLAGS -lpthread -lc++abi"
+    ])
     YJIT_OBJ='yjit.$(OBJEXT)'
     AC_DEFINE(USE_YJIT, 1)
 ], [AC_DEFINE(USE_YJIT, 0)])
-- 
cgit v1.2.1


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