From 70ebf76f1cef4a6de6be3ea96b36fb81fe245921 Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang-solutions.com>
Date: Mon, 28 Oct 2013 18:26:40 +0100
Subject: erts: Add max alignment posix_memalign configure check
On some OSs posix_memalign exists, but it does not allow for alignment
greater than the current page size. So we have to do a runtime check for
alignment size and also add cross compile options.
---
HOWTO/INSTALL-CROSS.md | 5 +++++
1 file changed, 5 insertions(+)
(limited to 'HOWTO')
diff --git a/HOWTO/INSTALL-CROSS.md b/HOWTO/INSTALL-CROSS.md
index a5cf775583..03ea4c6e76 100644
--- a/HOWTO/INSTALL-CROSS.md
+++ b/HOWTO/INSTALL-CROSS.md
@@ -515,6 +515,11 @@ When a variable has been set, no warning will be issued.
* `erl_xcomp_reliable_fpe` - `yes|no`. Defaults to `no`. If `yes`, the target
system must have reliable floating point exceptions.
+* `erl_xcomp_posix_memalign` - `yes|no`. Defaults to `yes` if `posix_memalign`
+ system call exists; otherwise `no`. If `yes`, the target system must have a
+ `posix_memalign` implementation that accepts larger than page size
+ alignment.
+
Copyright and License
---------------------
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