[TS-4307] Check for existence of alloca.h consistently

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.1.2, 6.2.0
• Component/s: Build, Core
• Backport to Version: 5.3.3
• Assignee: Leif Hedstrom
• Reporter: Leif Hedstrom
• Created: 26/Mar/16 23:38
• Updated: 19/Jul/16 20:16
• Resolved: 26/Mar/16 23:47

Description

On FreeBSD 10.2, the alloca.h file no longer seems to exist. The fix is trivial, e.g.

diff --git a/iocore/eventsystem/UnixEventProcessor.cc b/iocore/eventsystem/UnixEventProcessor.cc
index 7711965..70e5934 100644
--- a/iocore/eventsystem/UnixEventProcessor.cc
+++ b/iocore/eventsystem/UnixEventProcessor.cc
@@ -24,7 +24,9 @@
 #include "P_EventSystem.h" /* MAGIC_EDITING_TAG */
 #include <sched.h>
 #if TS_USE_HWLOC
+#if HAVE_ALLOCA_H
 #include <alloca.h>
+#endif
 #include <hwloc.h>
 #endif
 #include "ts/ink_defs.h"