From c7ddafbe6dbcc805a9758c4313f2d6b902983343 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Fri, 21 Feb 2014 09:29:40 +0100 Subject: Always default to disabled floating point exceptions on Linux This since there exist unresolved stability issues in the implementation for Linux. --- HOWTO/INSTALL.md | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'HOWTO/INSTALL.md') diff --git a/HOWTO/INSTALL.md b/HOWTO/INSTALL.md index 533960ef99..fd0108f1de 100644 --- a/HOWTO/INSTALL.md +++ b/HOWTO/INSTALL.md @@ -268,6 +268,11 @@ 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 @@ -288,7 +293,7 @@ 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 - . + . * `--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 -- cgit v1.2.3