gistfile1.txt

pisteuo[/tmp]% /usr/bin/clang -v -Os -w -pipe -march=native -Qunused-arguments -mmacosx-version-min=10.7 -arch i386 -arch x86_64 -isystem /usr/local/include -L/usr/local/lib -arch i386 -arch x86_64 conftest.c                                    8:32
Apple clang version 3.1 (tags/Apple/clang-318.0.58) (based on LLVM 3.1svn)
Target: x86_64-apple-darwin11.4.2
Thread model: posix
 "/usr/bin/clang" -cc1 -triple i386-apple-macosx10.7.0 -emit-obj -disable-free -disable-llvm-verifier -main-file-name conftest.c -pic-level 1 -mdisable-fp-elim -relaxed-aliasing -masm-verbose -target-cpu i686 -target-linker-version 128.2 -v -resource-dir /usr/bin/../lib/clang/3.1 -isystem /usr/local/include -fmodule-cache-path /var/folders/br/8tl1xl954m13qt180qp_csf80000gn/T/clang-module-cache -Os -w -fdebug-compilation-dir /tmp -ferror-limit 19 -fmessage-length 249 -stack-protector 1 -fblocks -fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-fragile-abi -fdiagnostics-show-option -fcolor-diagnostics -o /var/folders/br/8tl1xl954m13qt180qp_csf80000gn/T/conftest-LaOj7p.o -x c conftest.c
clang -cc1 version 3.1 based upon llvm 3.1svn default target x86_64-apple-darwin11.4.2
ignoring duplicate directory "/usr/local/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 /usr/bin/../lib/clang/3.1/include
 /usr/include
 /System/Library/Frameworks (framework directory)
 /Library/Frameworks (framework directory)
End of search list.
 "/usr/bin/ld" -demangle -dynamic -arch i386 -macosx_version_min 10.7.0 -w -o /var/folders/br/8tl1xl954m13qt180qp_csf80000gn/T/conftest-ec539U.out -lcrt1.10.6.o -L/usr/local/lib /var/folders/br/8tl1xl954m13qt180qp_csf80000gn/T/conftest-LaOj7p.o -arch_multiple -final_output a.out -lSystem /usr/bin/../lib/clang/3.1/lib/darwin/libclang_rt.eprintf.a /usr/bin/../lib/clang/3.1/lib/darwin/libclang_rt.osx.a
 "/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.7.0 -emit-obj -disable-free -disable-llvm-verifier -main-file-name conftest.c -pic-level 1 -mdisable-fp-elim -relaxed-aliasing -masm-verbose -munwind-tables -target-cpu i686 -target-linker-version 128.2 -v -resource-dir /usr/bin/../lib/clang/3.1 -isystem /usr/local/include -fmodule-cache-path /var/folders/br/8tl1xl954m13qt180qp_csf80000gn/T/clang-module-cache -Os -w -fdebug-compilation-dir /tmp -ferror-limit 19 -fmessage-length 249 -stack-protector 1 -fblocks -fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-dispatch-method=mixed -fdiagnostics-show-option -fcolor-diagnostics -o /var/folders/br/8tl1xl954m13qt180qp_csf80000gn/T/conftest-QXW2XS.o -x c conftest.c
error: unknown target CPU 'i686'