Fix for check_cpu to work correctly on MacOSX/Intel.

BUILD/check-cpu

@@ -93,6 +93,10 @@ case "$cpu_family--$model_name" in
   *Opteron*)
     cpu_arg="opteron";
     ;;
+  # MacOSX / Intel  
+  *i386*i486*)
+    cpu_arg="pentium-m";
+    ;;
 
   # Intel ia64
   *Itanium*)
@@ -131,7 +135,7 @@ else
 fi
 
 cc_ver=`$cc --version | sed 1q`
-cc_verno=`echo $cc_ver | sed -e 's/[^0-9. ]//g;	 s/^ *//g; s/ .*//g'`
+cc_verno=`echo $cc_ver | sed -e 's/^.*gcc/gcc/g; s/[^0-9. ]//g;	 s/^ *//g; s/ .*//g'`
 
 case "$cc_ver--$cc_verno" in
   *GCC*)