From 4cef2c8d6b61cc517191da781f777306823a05cb Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 3 Aug 2018 05:11:20 +0000
Subject: thread_pthread.c: add a macro guard for PTHREAD_CANCEL_ENABLE

It seems to be unavailable on some platforms including my Android phone.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64166 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread_pthread.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/thread_pthread.c b/thread_pthread.c
index b095c2ef1c..39b8e79f49 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -1551,9 +1551,11 @@ mjit_worker(void *arg)
 {
     void (*worker_func)(void) = (void(*)(void))arg;
 
+#ifdef PTHREAD_CANCEL_ENABLE
     if (pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0) {
         fprintf(stderr, "Cannot enable cancellation in MJIT worker\n");
     }
+#endif
 #ifdef SET_CURRENT_THREAD_NAME
     SET_CURRENT_THREAD_NAME("ruby-mjitworker"); /* 16 byte including NUL */
 #endif
-- 
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