diff options
| -rw-r--r-- | configure.ac | 43 |
1 files changed, 13 insertions, 30 deletions
diff --git a/configure.ac b/configure.ac index 6a1a0e913dee..6840120a4803 100644 --- a/configure.ac +++ b/configure.ac @@ -5,42 +5,25 @@ AM_INIT_AUTOMAKE([dist-bzip2 foreign]) AC_DEFINE_UNQUOTED(NIX_VERSION, ["$VERSION"], [Nix version.]) -AC_CANONICAL_HOST - +AC_PROG_SED # Construct a Nix system name (like "i686-linux"). +AC_CANONICAL_HOST AC_MSG_CHECKING([for the canonical Nix system name]) -cpu_name=$(uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ ' 'abcdefghijklmnopqrstuvwxyz_') -machine_name=$(uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ ' 'abcdefghijklmnopqrstuvwxyz_') - -case $machine_name in - i*86) - machine_name=i686 - ;; - x86_64) - machine_name=x86_64 - ;; - ppc) - machine_name=powerpc - ;; - *) - if test "$cpu_name" != "unknown"; then - machine_name=$cpu_name - fi - ;; -esac - -sys_name=$(uname -s | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ ' 'abcdefghijklmnopqrstuvwxyz_') - -case $sys_name in - cygwin*) - sys_name=cygwin - ;; -esac AC_ARG_WITH(system, AC_HELP_STRING([--with-system=SYSTEM], [Platform identifier (e.g., `i686-linux').]), - system=$withval, system="${machine_name}-${sys_name}") + [system=$withval], + [case "$host_os" in + linux-gnu*) + # For backward compatibility, strip the `-gnu' part. + system="$host_cpu-linux";; + *) + # Strip the version number from names such as `gnu0.3', + # `darwin10.2.0', etc. + system="$host_cpu-`echo $host_os | "$SED" -e's/[0-9.]\+$//g'`";; + esac]) + AC_MSG_RESULT($system) AC_SUBST(system) AC_DEFINE_UNQUOTED(SYSTEM, ["$system"], [platform identifier (`cpu-os')]) |