dev-lang/ruby/files/3.0/900-musl-coroutine.patch


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Adapted for Gentoo version 3.0.2

From b570e7de87aaad8c903176d835e8124127f627b3 Mon Sep 17 00:00:00 2001
From: Andrew Aladjev <aladjev.andrew@gmail.com>
Date: Sat, 26 Sep 2020 12:58:06 +0300
Subject: [PATCH] fixed default coroutine selection for musl

---
 configure.ac             | 5 ++++-
 coroutine/copy/Context.c | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index ab5d532c103b..084f0936c006 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2364,7 +2364,10 @@
             rb_cv_coroutine=copy
         ],
         [
-            rb_cv_coroutine=ucontext
+            AC_CHECK_FUNCS([getcontext swapcontext makecontext],
+                [rb_cv_coroutine=ucontext],
+                [rb_cv_coroutine=copy; break]
+            )
         ]
     )
     AC_MSG_RESULT(${rb_cv_coroutine})