diff options
| -rwxr-xr-x | configure | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -1767,10 +1767,10 @@ EOF _optimizing="$proc" fi else # if test "$_runtime_cpudetection" = no - # i686 is probably the most common CPU - optimize for it - _mcpu="$cpuopt=i686" + _mcpu="$cpuopt=generic" # at least i486 required, for bswap instruction _march="-march=i486" + cc_check $_mcpu || _mcpu="$cpuopt=i686" cc_check $_mcpu || _mcpu="" cc_check $_march $_mcpu || _march="" fi @@ -1889,7 +1889,8 @@ EOF else # if test "$_runtime_cpudetection" = no # x86-64 is an undocumented option, an intersection of k8 and nocona. _march="-march=x86-64" - _mcpu="$cpuopt=x86-64" + _mcpu="$cpuopt=generic" + cc_check $_mcpu || _mcpu="x86-64" cc_check $_mcpu || _mcpu="" cc_check $_march $_mcpu || _march="" fi |