From 3c46542630823a272001aaab4e6fc265c7e03046 Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Tue, 2 Mar 2021 06:47:43 -0800
Subject: [PATCH] posix: epicsMutexOsdShowAll check for PI support

---
 modules/libcom/src/osi/os/posix/osdMutex.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/libcom/src/osi/os/posix/osdMutex.c b/modules/libcom/src/osi/os/posix/osdMutex.c
index 83833f85c..18cd08d95 100644
--- a/modules/libcom/src/osi/os/posix/osdMutex.c
+++ b/modules/libcom/src/osi/os/posix/osdMutex.c
@@ -194,6 +194,7 @@ void epicsMutexOsdShow(struct epicsMutexOSD * pmutex, unsigned int level)
 
 void epicsMutexOsdShowAll(void)
 {
+#if defined _POSIX_THREAD_PRIO_INHERIT
     int proto = -1;
     int ret = pthread_mutexattr_getprotocol(&globalAttrRecursive, &proto);
     if(ret) {
@@ -201,4 +202,7 @@ void epicsMutexOsdShowAll(void)
     } else {
         printf("PI is%s enabled\n", proto==PTHREAD_PRIO_INHERIT ? "" : " not");
     }
+#else
+    printf("PI not supported\n");
+#endif
 }