--- support/configure.pl	2011-11-09 22:43:08.000000000 +0100
+++ support/configure.pl	2011-12-28 12:59:17.000000000 +0100
@@ -50,7 +50,7 @@
                  GCCversion ICCversion CCache
                  LDflags LDsharedFlags LDcallableFlags Libs
                  LIBXML2_CFLAGS LIBXML2_LIBS
-                 Arch FinkBase WithFink
+                 Arch FinkBase WithFink NeedsArchFlag
                  JavaBuild JavaViewPath NativeArchFlags ANT );
    @export=qw( PERL InstallTop InstallArch InstallBin InstallInc InstallLib InstallDoc DirMask ARCHFLAGS JAVACMD JNI_HEADERS );
 }
@@ -107,7 +107,7 @@
    if ($^O eq "darwin") {
       print STDERR <<'.';
   --with-fink=PATH|yes|no    ( /sw ) fink installation directory
-  --with-readline=     where to find the gnu readline library (the version included in OSX does not suffice)
+  --with-readline=PATH       where to find the gnu readline library (the version included in OSX does not suffice)
 .
    }
    print STDERR <<".";
@@ -306,6 +306,9 @@
    if (v_cmp($GCCversion,"4.0")<0) {
       die "C++ compiler $CXX says its version is $GCCversion, which is rather out-of-date.\n";
    }
+  if ($^O eq "darwin") {  # decide whether we use a the gcc provided by apple, in that case we need the -arch flags, otherwise we probably don't
+    $NeedsArchFlag=`$CXX --version` =~ m/apple/;
+  }
 }
 
 $PERL     =$vars{PERL}     || $^X;
@@ -365,7 +368,11 @@
             die "Fink package mpfr-shlibs seems to be missing.  Further configuration is not possible.\n",
             "Please install the packages mpfr and mpfr-shlibs and repeat the configure run.\n";            
         }
-        $ARCHFLAGS="-arch $Platform";
+        if ( $NeedsArchFlag ) {
+          $ARCHFLAGS="-arch $Platform";
+        } else {
+          $ARCHFLAGS="";
+        }
         $Arch="darwin.$Platform";
         $GMP ||= $FinkBase;
     }  else { # end $WithFink
@@ -382,7 +389,11 @@
                 $Platform="x86_64";
             }
         }
-        $ARCHFLAGS="-arch $Platform";
+        if ( $NeedsArchFlag ) {
+          $ARCHFLAGS="-arch $Platform";
+        } else {
+          $ARCHFLAGS="";
+        }
         $Arch="darwin.$Platform";
     }
 } else {
@@ -425,7 +436,7 @@
    if (v_cmp($GCCversion, "4.3")<0) {
       $CXXflags .= " -Wno-uninitialized";
    }
-   if ($ARCHFLAGS) {
+   if ($^O eq "darwin") {
       # MacOS magic again
       my $allarch=qr/ -arch \s+ \S+ (?: \s+ -arch \s+ \S+)* /x;
       $Cflags =~ s/$allarch//o;
@@ -719,7 +730,11 @@
 .
          if ($^O eq "darwin") {
             ( $NativeArchFlags=`lipo -info $JAVACMD` ) =~ s/.* are: (.*)$/$1/m;
-            $NativeArchFlags =~ s/(\S+)/-arch $1/g;
+            if ( $NeedsArchFlag ) {
+              $NativeArchFlags =~ s/(\S+)/-arch $1/g;
+            } else {
+                $NativeArchFlags = "";
+            }
          }
       }