--- a/AbstractOperatingSystem.st	Tue Apr 07 12:21:30 2015 +0200
+++ b/AbstractOperatingSystem.st	Tue Apr 07 12:21:55 2015 +0200
@@ -2778,9 +2778,9 @@
 
      The info object returned is OS-specific, however it responds to at
      least
-        #isFor32BitArchitecture
-        #isFor64BitArchitecture ... returns true, if the given object is for
-                                     32bit, 64bit architecture respectively
+	#isFor32BitArchitecture
+	#isFor64BitArchitecture ... returns true, if the given object is for
+				     32bit, 64bit architecture respectively
     "
     ^ self subclassResponsibility
 
@@ -3592,11 +3592,15 @@
 #    endif
 #   endif
 #  endif
-# else
-#  ifdef __GNUC__
-#   define CC_DEFINE     "__GNUC__"
+# else /* not WIN32 */
+#  ifdef __clang__
+#   define CC_DEFINE     "__clang__"
 #  else
-#   define CC_DEFINE     "__CC__"
+#   ifdef __GNUC__
+#    define CC_DEFINE     "__GNUC__"
+#   else
+#    define CC_DEFINE     "__CC__"
+#   endif
 #  endif
 # endif
 #endif
@@ -7720,11 +7724,11 @@
 !AbstractOperatingSystem class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.295 2015-03-26 11:24:48 vrany Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.296 2015-04-07 10:21:55 cg Exp $'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.295 2015-03-26 11:24:48 vrany Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/AbstractOperatingSystem.st,v 1.296 2015-04-07 10:21:55 cg Exp $'
 ! !