lionのツールチェイン

ファイル	正体
/usr/bin/ld	llvm version 3.0svn, from Apple Clang 2.1 (build 163.7.1)
/usr/bin/as	Apple Inc version cctools-806~3, GNU assembler version 1.38
/usr/bin/gcc	symbolic link to llvm-gcc-4.2
/usr/bin/llvm-gcc	symbolic link to ../llvm-gcc-4.2/bin/llvm-gcc-4.2
/usr/bin/llvm-gcc-4.2	symbolic link to ../llvm-gcc-4.2/bin/llbm-gcc-4.2
/usr/bin/gcc-4.2	gcc version 4.2.1 (Appli Inc. build 5666) (dot 3)
/usr/bin/llvm-g++	symbolic link to ../llvm-gcc-4.2/bin/llvm-g++-4.2
/usr/bin/llvm-g++-4.2	symbolic link to ../llvm-gcc-4.2/bin/llvm-g++-4.2
/usr/bin/llvm-cpp-4.2	symbolic link to ../llvm-gcc-4.2/bin/llvm-cpp-4.2
/usr/bin/g++	symbolic link to llvm-g++-4.2
/usr/bin/g++-4.2	i686-apple-darwin11-g++-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)