Don't keep a special case for Windows as it's wrong. The problem is that

the BOOL type predefined on Windows in C does not match the C++ bool type
for the same compiler. One is an int when the other is a char.
Make sure we check for bool for all non C++ compilers.

This commit was SVN r11429.

opal/include/opal_config_bottom.h

@@ -123,17 +123,13 @@
  * constants.  OMPI_NEED_C_BOOL will be true if the compiler either
  * needs <stdbool.h> or doesn't define the bool type at all.
  */
-#if !defined(__cplusplus)
+#if !(defined(c_plusplus) || defined(__cplusplus))
 #    if OMPI_NEED_C_BOOL
 #        if OMPI_USE_STDBOOL_H
              /* If we're using <stdbool.h>, there is an implicit
                 assumption that the C++ bool is the same size and has
                 the same alignment. */
 #            include <stdbool.h>
-#        elif defined(__WINDOWS__)
-#            define bool BOOL
-#            define false FALSE
-#            define true TRUE
 #        else
              /* We need to create a bool type and ensure that it's the
                 same size / alignment as the C++ bool size /
@@ -141,7 +137,7 @@
 #            define false 0
 #            define true 1
 #            if SIZEOF_BOOL == SIZEOF_CHAR && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_CHAR
-typedef char bool;
+typedef unsigned char bool;
 #            elif SIZEOF_BOOL == SIZEOF_SHORT && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_SHORT
 typedef short bool;
 #            elif SIZEOF_BOOL == SIZEOF_INT && OMPI_ALIGNMENT_CXX_BOOL == OMPI_ALIGNMENT_INT
@@ -153,8 +149,8 @@ typedef long long bool;
 #            else
 #                error Cannot find a C type that corresponds to the size and alignment of C++ bool!
 #            endif
-#        endif
-#    endif
+#        endif  /* OMPI_USE_STDBOOL_H */
+#    endif  /* OMPI_NEED_C_BOOL */
 #endif
 
 /*