Robert P. J. DAY says:
According to Mike Frysinger, this patch was removed from Gentoo in the
2.3.x series and didn't seem to cause any adverse effects. So toss it
from the patch directories for glibc 2.5 and up.
1 # Compute x86-specific values
3 # This one really need a little love! :-(
6 # The architecture part of the tuple:
8 [ -z "${arch}" ] && arch="${CT_ARCH_TUNE}"
10 nocona|athlon*64|k8|athlon-fx|opteron)
11 CT_DoError "Architecture is x86 (32-bit) but selected processor is \"${arch}\" (64-bit)";;
12 "") CT_TARGET_ARCH=i386;;
13 i386|i486|i586|i686) CT_TARGET_ARCH="${arch}";;
14 winchip*) CT_TARGET_ARCH=i486;;
15 pentium|pentium-mmx|c3*) CT_TARGET_ARCH=i586;;
16 pentiumpro|pentium*|athlon*) CT_TARGET_ARCH=i686;;
17 *) CT_TARGET_ARCH=i586;;