Ensure to compile the test as a Fortran program. Thanks to Eugene for

pointing out the issue.

This commit was SVN r26309.

ompi/config/ompi_setup_fc.m4

@@ -177,6 +177,7 @@ EOF
            AS_IF([test "$OMPI_CXX_EXCEPTIONS_CXXFLAGS" = ""],
                  [AC_MSG_RESULT([skipped (no C++ exceptions flags)])],
                  [FCFLAGS="$FFLAGS $OMPI_CXX_EXCEPTIONS_CXXFLAGS"
+                  AC_LANG_PUSH([Fortran])
                   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[ 
 INTEGER I
 I = 3]])],
@@ -184,6 +185,7 @@ I = 3]])],
                       [AC_MSG_RESULT([no])
                        AC_MSG_WARN([C++ exception flags are different between the C and Fortran compilers; this configure script cannot currently handle this scenario.  Either disable C++ exception support or send mail to the Open MPI users list.])
                        AC_MSG_ERROR([*** Cannot continue])])
+                  AC_LANG_POP
                  ])
           ])