From: Michael Jeanson <mjeanson@efficios.com>
Date: Tue, 13 Oct 2020 20:41:00 +0000 (-0400)
Subject: port: Silence macro redefinition warnings on FreeBSD
X-Git-Url: http://git.efficios.com/?p=deliverable%2Flttng-ust.git;a=commitdiff_plain;h=d63241543f82756a2fcdaeb05db54f77e688024c

port: Silence macro redefinition warnings on FreeBSD

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I32473a65116fd9e4120a852a8cbc5c145e9609f7
---

diff --git a/include/lttng/align.h b/include/lttng/align.h
index ebf03e8d..8f227eb9 100644
--- a/include/lttng/align.h
+++ b/include/lttng/align.h
@@ -33,9 +33,13 @@
 #define PAGE_SIZE		sysconf(_SC_PAGE_SIZE)
 #endif
 
+#ifndef PAGE_MASK	/* FreeBSD and macOS defines their own PAGE_MASK. */
 #define PAGE_MASK		(~(PAGE_SIZE - 1))
+#endif
 #define __ALIGN_MASK(v, mask)	(((v) + (mask)) & ~(mask))
+#ifndef ALIGN		/* FreeBSD and macOS defines their own ALIGN. */
 #define ALIGN(v, align)		__ALIGN_MASK(v, (__typeof__(v)) (align) - 1)
+#endif
 #define PAGE_ALIGN(addr)	ALIGN(addr, PAGE_SIZE)
 
 /**