make sure to follow symlinks on OSX arch checks, in case default is otherwise

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@40224 15284696-431f-4ddb-bdfa-cd5b030d7da7

configure

@@ -14129,7 +14129,7 @@ fi
   # check for available OSX archs in Python, assume framework
   if test -n "$MACOSX_ARCHS" ; then
     pylib=`"$PY_CONFIG" --prefix`/Python
-    pylibinfo=`file "$pylib"`
+    pylibinfo=`file -L "$pylib"`
     for a in i386 ppc x86_64 ppc64
     do
       # add only if in MACOSX_ARCHS

configure.in

@@ -1791,7 +1791,7 @@ else
   # check for available OSX archs in Python, assume framework
   if test -n "$MACOSX_ARCHS" ; then
     pylib=`"$PY_CONFIG" --prefix`/Python
-    pylibinfo=`file "$pylib"`
+    pylibinfo=`file -L "$pylib"`
     for a in i386 ppc x86_64 ppc64
     do
       # add only if in MACOSX_ARCHS