aboutsummaryrefslogtreecommitdiffstats
path: root/HOWTO/INSTALL.md
diff options
context:
space:
mode:
Diffstat (limited to 'HOWTO/INSTALL.md')
-rw-r--r--HOWTO/INSTALL.md12
1 files changed, 11 insertions, 1 deletions
diff --git a/HOWTO/INSTALL.md b/HOWTO/INSTALL.md
index c9f4062b83..bbde5bc08c 100644
--- a/HOWTO/INSTALL.md
+++ b/HOWTO/INSTALL.md
@@ -268,12 +268,22 @@ Some of the available `configure` options are:
default if possible)
* `--{enable,disable}-hipe` - HiPE support (enabled by default on supported
platforms)
+* `--{enable,disable}-fp-exceptions` - Floating point exceptions (an
+ optimization for floating point operations). The default differs
+ depending on operating system and hardware platform. Note that by
+ enabling this you might get a seemingly working system that sometimes
+ fail on floating point operations.
* `--enable-darwin-universal` - Build universal binaries on darwin i386.
* `--enable-darwin-64bit` - Build 64-bit binaries on darwin
* `--enable-m64-build` - Build 64-bit binaries using the `-m64` flag to
`(g)cc`
* `--enable-m32-build` - Build 32-bit binaries using the `-m32` flag to
`(g)cc`
+* `--with-assumed-cache-line-size=SIZE` - Set assumed cache-line size in
+ bytes. Default is 64. Valid values are powers of two between and
+ including 16 and 8192. The runtime system use this value in order to
+ try to avoid false sharing. A too large value wastes memory. A to
+ small value will increase the amount of false sharing.
* `--{with,without}-termcap` - termcap (without implies that only the old
Erlang shell can be used)
* `--with-javac=JAVAC` - Specify Java compiler to use
@@ -288,7 +298,7 @@ Some of the available `configure` options are:
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/>.
+ <https://github.com/ivmai/libatomic_ops/>.
* `--disable-smp-require-native-atomics` - By default `configure` will
fail if an SMP runtime system is about to be built, and no implementation
for native atomic memory accesses can be found. If this happens, you are