pigeon:/tmp/usr/lib/debootstrap# export LD_LIBRARY_PATH=/mnt/binutils/usr/lib pigeon:/tmp/usr/lib/debootstrap# /mnt/binutils/usr/bin/ar Usage: /mnt/binutils/usr/bin/ar [emulation options] [-]{dmpqrstx}[abcfilNoPsSuvV]    [member-name] [count] archive-file file...          /mnt/binutils/usr/bin/ar -M [<mri-script]    commands:       d - delete file(s) from the archive （中略） /mnt/binutils/usr/bin/ar: supported targets: elf32-i386 a.out-i386-linux efi-app-ia32    elf32-little elf32-big elf64-x86-64 elf64-little elf64-big srec symbolsrec tekhex    binary ihex trad-core pigeon:/tmp/usr/lib/debootstrap#