···5454 if system == "armv7l-linux" then stdenvLinux else
5555 if system == "mips64el-linux" then stdenvLinux else
5656 if system == "powerpc-linux" then /* stdenvLinux */ stdenvNative else
5757- if system == "x86_64-darwin" then stdenvDarwin else
5757+ if system == "x86_64-darwin" then stdenvDarwinPure else
5858 if system == "x86_64-solaris" then stdenvNix else
5959 if system == "i686-cygwin" then stdenvNative else
6060 if system == "x86_64-cygwin" then stdenvNative else