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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( |