CHOST & CFLAGS

Mobile Pentium 4-M (Northwood)

vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Mobile Intel(R) Pentium(R) 4 - M CPU X.XXGHz

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=pentium4 -O2 -pipe -fomit-frame-pointer"
CXXFLAGS="${CFLAGS}"

Pentium 4

vendor_id : GenuineIntel
cpu family : 15
model : 0 or 1 or 2
model name : Intel(R) Pentium(R) 4 CPU XXXXMHz

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=pentium4 -O2 -pipe -fomit-frame-pointer"
CXXFLAGS="${CFLAGS}"

Pentium D 8xx / 9xx

vendor_id : GenuineIntel
cpu family : 15
model : 4, 6
model name : Intel(R) Pentium(R) D CPU x.xxGHz

32-bit profile (x86):

CHOST="i686-pc-linux-gnu"
CFLAGS="-march=prescott -O2 -pipe -fomit-frame-pointer"
CXXFLAGS="${CFLAGS}"

64-bit profile (amd64):

CHOST="x86_64-pc-linux-gnu"
CFLAGS="-march=nocona -O2 -pipe"
CXXFLAGS="${CFLAGS}"