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authorRickard Green <[email protected]>2010-08-10 13:42:42 +0200
committerRickard Green <[email protected]>2010-08-10 13:42:42 +0200
commit59ee2a593090e7d53c97ceba63cbd300d1b9657e (patch)
treeb60c1078eebb64955bba181cfc118ee2f3b845d4 /INSTALL.md
parent0d553b45b5c3ae8287340887f271bc70f1f1370c (diff)
parent300b419486c1ca88e33938f182d5d5a8b90fb73f (diff)
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Merge branch 'rickard/ethread-rewrite/OTP-8544' into dev
* rickard/ethread-rewrite/OTP-8544: Rewrite ethread library
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diff --git a/INSTALL.md b/INSTALL.md
index b26c0ce018..2567b791e5 100644
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+++ b/INSTALL.md
@@ -273,6 +273,16 @@ Some of the available `configure` options are:
* `--with-ssl=PATH` - Specify location of OpenSSL include and lib
* `--{with,without}-ssl` - OpenSSL (without implies that the `crypto`,
`ssh`, and `ssl` won't be built)
+* `--enable-ethread-pre-pentium4-compatibility` - Enable compatibility with
+ x86 processors before pentium 4 (back to 486) in the ethread library. If
+ not passed the ethread library (part of the runtime system) will use
+ instructions that first appeared on the pentium 4 processor when building
+ for x86.
+* `--with-libatomic_ops=PATH` - Use the `libatomic_ops` library for atomic
+ memory accesses. If `configure` should inform you about no native atomic
+ implementation available, you typically want to try using the
+ `libatomic_ops` library. It can be downloaded from
+ <http://www.hpl.hp.com/research/linux/atomic_ops/>.
If you or your system has special requirements please read the `Makefile` for
additional configuration information.