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| author | Peter Palfrader <peter@palfrader.org> | 2005-09-10 20:44:05 +0000 |
|---|---|---|
| committer | Peter Palfrader <peter@palfrader.org> | 2005-09-10 20:44:05 +0000 |
| commit | 0ceab199b09ad9a13f4d6a0b79f96d6d6308cfd1 (patch) | |
| tree | 3cfa16c5dd29e70568c65ffcdd1c7eaa0b246dc6 /configure.in | |
| parent | b0a5ba424881c8e1025bbe0d6a928e7b05aa17ae (diff) | |
| download | tor-0ceab199b09ad9a13f4d6a0b79f96d6d6308cfd1.tar.gz tor-0ceab199b09ad9a13f4d6a0b79f96d6d6308cfd1.zip | |
Do not use unaligned access on some more archs
svn:r4992
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/configure.in b/configure.in index f34e3213ea..f3843f8e6a 100644 --- a/configure.in +++ b/configure.in @@ -368,6 +368,14 @@ case $host in ia64-*-* | arm-*-* | sparc-*-* ) tor_cv_unaligned_ok=no ;; + # On the following architectures unaligned access works, but is not done in + # hardware. This means that when you try to do unaligned access the kernel + # gets to sort out an exception and then work around to somehow make your + # reqest work, which is quite expensive. Therefore it's probably better to + # not even do it. + alpha-*-* | mips-*-* | mipsel-*-* ) + tor_cv_unaligned_ok=no + ;; *) AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok, [AC_RUN_IFELSE([AC_LANG_SOURCE( |