About the GCC 4.2 update

[Randy Bush]

> So, if you track -CURRENT and want to upgrade to beyond the GCC 4.2
> import, make sure you keep backups or you'll be sorry...

hmmm.  is this why i am having problems with sept snapshot iso?

# gcc --version
gcc (GCC) 4.2.1 20070719  [FreeBSD]

cc -c -O2 -fno-strict-aliasing -pipe -march=itanium2 -DIN_GCC
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -DHAVE_GTHR_DEFAULT
-I/usr/src/gnu/lib/libgcc/../../../contrib/gcclibs/include
-I/usr/src/gnu/lib/libgcc/../../../contrib/gcc/config
-I/usr/src/gnu/lib/libgcc/../../../contrib/gcc -I.
-I/usr/src/gnu/lib/libgcc/../../usr.bin/cc/cc_tools  -fvisibility=hidden
-DHIDE_EXPORTS -fPIC -fexceptions -D__GLIBC__=3 -DElfW=__ElfN -o
unwind-dw2.o /usr/src/gnu/lib/libgcc/../../../contrib/gcc/unwind-dw2.c
/usr/src/gnu/lib/libgcc/../../../contrib/gcc/unwind-dw2.c:1: error: bad
value (itanium2) for -march= switch
/usr/src/gnu/lib/libgcc/../../../contrib/gcc/unwind-dw2.c:1: error: bad
value (itanium2) for -mtune= switch
*** Error code 1

is there a page or wiki or ... for those of us new to 64?

randy