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| author | Lukas Larsson <[email protected]> | 2013-10-28 18:26:40 +0100 |
|---|---|---|
| committer | Lukas Larsson <[email protected]> | 2013-11-01 10:39:29 +0100 |
| commit | 70ebf76f1cef4a6de6be3ea96b36fb81fe245921 (patch) | |
| tree | cd8ae5d1663cdd40acec0a05cf4ad1d08f05351c /HOWTO | |
| parent | 207a13a549052e014a82362032995e347ffb68ff (diff) | |
| download | otp-70ebf76f1cef4a6de6be3ea96b36fb81fe245921.tar.gz otp-70ebf76f1cef4a6de6be3ea96b36fb81fe245921.tar.bz2 otp-70ebf76f1cef4a6de6be3ea96b36fb81fe245921.zip | |
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.
Diffstat (limited to 'HOWTO')
| -rw-r--r-- | HOWTO/INSTALL-CROSS.md | 5 |
1 files changed, 5 insertions, 0 deletions
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 --------------------- |