Move the AC_DEFINE for LAM_ARCH to be after AC_CANONICAL_HOST

This commit was SVN r495.

config/lam_functions.m4

@@ -25,7 +25,6 @@ lam_show_subtitle() {
 *** ${1}
 EOF
 }
-
 #
 # Save some stats about this build
 #
@@ -33,6 +32,7 @@ EOF
 LAM_CONFIGURE_USER="`whoami`"
 LAM_CONFIGURE_HOST="`hostname | head -n 1`"
 LAM_CONFIGURE_DATE="`date`"
+
 #
 # Save these details so that they can be used in laminfo later
 #
@@ -40,9 +40,6 @@ AC_SUBST(LAM_CONFIGURE_USER)
 AC_SUBST(LAM_CONFIGURE_HOST)
 AC_SUBST(LAM_CONFIGURE_DATE)
 
-AC_DEFINE_UNQUOTED(LAM_ARCH, "$host", [LAM architecture string])
-    
-
 #
 # Make automake clean emacs ~ files for "make clean"
 #
@@ -71,10 +68,11 @@ CLEANFILES="*~"
 AC_SUBST(CLEANFILES)
 
 #
-# This is useful later
+# This is useful later (laminfo, and therefore mpiexec)
 #
 
 AC_CANONICAL_HOST
+AC_DEFINE_UNQUOTED(LAM_ARCH, "$host", [LAM architecture string])
 
 #
 # See if we can find an old installation of LAM to overwrite