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-rw-r--r--m4/guix.m429
1 files changed, 29 insertions, 0 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4
index 29f928f653..9b5184ff55 100644
--- a/m4/guix.m4
+++ b/m4/guix.m4
@@ -33,3 +33,32 @@ AC_DEFUN([GUIX_ASSERT_LIBGCRYPT_USABLE],
if test "x$guix_cv_libgcrypt_usable_p" != "xyes"; then
AC_MSG_ERROR([GNU libgcrypt does not appear to be usable; see `--with-libgcrypt-prefix' and `README'.])
fi])
+
+dnl GUIX_SYSTEM_TYPE
+dnl
+dnl Determine the Guix host system type, and store it in the
+dnl `guix_system' variable.
+AC_DEFUN([GUIX_SYSTEM_TYPE], [
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_ARG_WITH(system, AC_HELP_STRING([--with-system=SYSTEM],
+ [Platform identifier (e.g., `i686-linux').]),
+ [guix_system="$withval"],
+ [case "$host_cpu" in
+ i*86)
+ machine_name="i686";;
+ amd64)
+ machine_name="x86_64";;
+ *)
+ machine_name="$host_cpu";;
+ esac
+
+ case "$host_os" in
+ linux-gnu*)
+ # For backward compatibility, strip the `-gnu' part.
+ guix_system="$machine_name-linux";;
+ *)
+ # Strip the version number from names such as `gnu0.3',
+ # `darwin10.2.0', etc.
+ guix_system="$machine_name-`echo $host_os | "$SED" -e's/@<:@0-9.@:>@*$//g'`";;
+ esac])
+])