Exception is not only for Linux, also for MinGW; refs #10

src/mrw/checkcxx11.hxx

@@ -12,30 +12,26 @@
 // otherwise there is a fallback wich makes everything much more compliacted
 #  ifndef MRW__OLD_PRE11_COMPILER
 #    if __cplusplus < 201103L
-       /// Code is compiled with an old non C++11 standard compliant compiler
+#      if __cplusplus==1
-       /** There are workarounds for old non C++11 compatible
+         // __cplusplus==1 is a known bug in gcc 4.6.3
-           compilers. These workarounds are deprecated, but will remain until
+#        warning your compiler has a know bug, please upgrade to gcc >= 4.7
-            most compilers fully support C++11. So this workaround will be
+#        warning see __cplusplus in http://gcc.gnu.org/gcc-4.7/changes.html
-            removed in future releases, when support for C++11 is more
+#      else
-            common. Only rely on this workaround, if you really have to. */
+         /// Code is compiled with an old non C++11 standard compliant compiler
-#      define MRW__OLD_PRE11_COMPILER
+         /** There are workarounds for old non C++11 compatible
-#      warning you need a C++11 compliant compiler, on gcc use option -std=c++11
+             compilers. These workarounds are deprecated, but will remain until
-#      warning emulating C++11 - this changes the way you use the library
+             most compilers fully support C++11. So this workaround will be
-#      warning this is deprecated and will be removed in future releases
+             removed in future releases, when support for C++11 is more
-#      warning refere to the library documentation for more details
+             common. Only rely on this workaround, if you really have to. */
+#        define MRW__OLD_PRE11_COMPILER
+#        warning you need a C++11 compliant compiler, on gcc: add -std=c++11
+#        warning emulating C++11 - this changes the way you use the library
+#        warning this is deprecated and will be removed in future releases
+#        warning refere to the library documentation for more details
+#      endif
 #    endif
 #  endif
 
-#  if __cplusplus==1
-// __cplusplus==1 is a known bug in gcc 4.6.3
-#    warning your compiler has a know bug, please upgrade to gcc >= 4.7
-#    warning see __cplusplus in http://gcc.gnu.org/gcc-4.7/changes.html
-#    ifdef __linux__
-#      undef MRW__OLD_PRE11_COMPILER
-#    endif
-#  endif
-
-
 #  ifdef MRW__OLD_PRE11_COMPILER
 #    if __cplusplus<200300L
 #      include <boost/shared_ptr.hpp>