alpha amd64 arm arm64 hppa ia64 m68k mips ppc ppc64 riscv s390 sh sparc x86 # Prefix keywords ppc-aix amd64-linux arm-linux arm64-linux ppc64-linux x86-linux ppc-macos x86-macos x64-macos m68k-mint sparc-solaris sparc64-solaris x64-solaris x86-solaris x86-winnt x64-cygwin x86-cygwin