From 09ec3af3371020278d5c41ca19e170468dc2fc02 Mon Sep 17 00:00:00 2001
From: Ralph Lange <ralph.lange@gmx.de>
Date: Fri, 6 Dec 2019 10:52:38 +0100
Subject: [PATCH] libcom: fix colliding isnan/isinf between C99 and C++0x for
 gcc-4

This fix can be removed once support for gcc-4 is dropped in 2038
---
 src/libCom/osi/os/posix/epicsMath.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libCom/osi/os/posix/epicsMath.h b/src/libCom/osi/os/posix/epicsMath.h
index 13f25e520..1ef96d76f 100644
--- a/src/libCom/osi/os/posix/epicsMath.h
+++ b/src/libCom/osi/os/posix/epicsMath.h
@@ -18,8 +18,10 @@
 #include <cmath>
 
 using std::isfinite;
+#ifndef __GXX_EXPERIMENTAL_CXX0X__
 using std::isinf;
 using std::isnan;
+#endif
 using std::isnormal;
 
 extern "C" {