sam-fosters-computer:/usr/local/src/coreutils-6.9 sam$ ./configure --build=arm-apple-darwin --prefix=/usr/local/arm-apple-darwin
checking build system type... arm-apple-darwin
checking host system type... arm-apple-darwin
configure: autobuild project... GNU coreutils
configure: autobuild revision... 6.9
configure: autobuild hostname... sam-fosters-computer.local
configure: autobuild timestamp... 20071014-124226
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... build-aux/install-sh -c -d
checking for gawk... no
checking for mawk... no
checking for nawk... no
checking for awk... awk
checking whether make sets $(MAKE)... yes
checking for style of include used by make... GNU
checking for gcc... gcc
checking for C compiler default output file name... 
configure: error: C compiler cannot create executables
See `config.log' for more details.
sam-fosters-computer:/usr/local/src/coreutils-6.9 sam$

...

from config.log:

configure:3092: $? = 0
configure:3099: gcc -v >&5
Using built-in specs.
Target: arm-apple-darwin
Configured with: ../llvm-gcc4-2.0.source/configure --prefix=/usr/local/arm-apple-darwin --program-prefix= --enable-ll
vm=/opt/local/lib/llvm/obj/ --enable-languages=c,c++,objc,obj-c++ --with-gxx-include-dir=/usr/include/c++/4.0.0 --bui
ld=i686-apple-darwin8 --host=i686-apple-darwin8 --target=arm-apple-darwin : (reconfigured) ../llvm-gcc4-2.0.source/co
nfigure --prefix=/usr/local/arm-apple-darwin --program-prefix= --enable-llvm=/opt/local/lib/llvm/obj/ --enable-langua
ges=c,c++,objc,obj-c++ --with-gxx-include-dir=/usr/include/c++/4.0.0 --build=i686-apple-darwin8 --host=i686-apple-dar
win8 --target=arm-apple-darwin
Thread model: posix
gcc version 4.0.1 LLVM (Apple Computer, Inc. build 2.0-iphone-binutils)
configure:3103: $? = 0
configure:3110: gcc -V >&5
gcc: '-V' option must have argument
configure:3114: $? = 1
configure:3137: checking for C compiler default output file name
configure:3164: gcc    conftest.c  >&5
/usr/bin/ld: warning fat file: /usr/lib/libSystem.dylib does not contain an architecture that matches the specified -
arch flag: arm (file ignored)
/usr/bin/ld: warning fat file: /usr/lib/libSystem.B.dylib does not contain an architecture that matches the specified
 -arch flag: arm (file ignored)
/usr/bin/ld: Undefined symbols:
___keymgr_dwarf2_register_sections
__cthread_init_routine
_atexit
_errno
_exit
_mach_init_routine
collect2: ld returned 1 exit status
configure:3168: $? = 1
configure:3206: result: 
configure: failed program was:


| /* confdefs.h.  */
| #define PACKAGE_NAME "GNU coreutils"
| #define PACKAGE_TARNAME "coreutils"
| #define PACKAGE_VERSION "6.9"
| #define PACKAGE_STRING "GNU coreutils 6.9"
| #define PACKAGE_BUGREPORT "bug-coreutils@gnu.org"
| #define PACKAGE "coreutils"
| #define VERSION "6.9"
| /* end confdefs.h.  */
| 
| int
| main ()
| {
| 
|   ;
|   return 0;
| }
configure:3213: error: C compiler cannot create executables
See `config.log' for more details.