fortran: Remove the gfortran-4.9-disabling configry

The bug in #4157 has now been fixed, so remove the configure test that
disabled mpi_f08 functionality for gfortran 4.9.

Fixes trac:4157

cmr=v1.8.1:ticket=trac:4512

This commit was SVN r31373.

The following Trac tickets were found above:
  Ticket 4157 --> https://svn.open-mpi.org/trac/ompi/ticket/4157
  Ticket 4512 --> https://svn.open-mpi.org/trac/ompi/ticket/4512

config/ompi_fortran_check_ticket_4157.m4

@@ -1,103 +0,0 @@
-dnl -*- shell-script -*-
-dnl
-dnl Copyright (c) 2014 Cisco Systems, Inc.  All rights reserved.
-dnl $COPYRIGHT$
-dnl 
-dnl Additional copyrights may follow
-dnl 
-dnl $HEADER$
-dnl
-
-# Special check for ticket 4157.  This test will eventually disappear.
-# See https://svn.open-mpi.org/trac/ompi/ticket/4157.
-#
-# OMPI_FORTRAN_CHECK_TICKET_4157([action if happy], [action if not happy])
-# ----------------------------------------------------
-AC_DEFUN([OMPI_FORTRAN_CHECK_TICKET_4157],[
-    AS_VAR_PUSHDEF([ticket_4157_var], [ompi_cv_fortran_ticket_4157])
-
-    AC_CACHE_CHECK([for ticket 4157 issues], ticket_4157_var,
-       [AC_LANG_PUSH([Fortran])
-        rm -rf conftest.$$.d
-        mkdir conftest.$$.d
-        cd conftest.$$.d
-        AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
-MODULE MY_ABSTRACT_MODULE
-  ABSTRACT INTERFACE
-     SUBROUTINE ABSTRACT_INTERFACE(A, B)
-       IMPLICIT NONE
-       INTEGER :: A
-       LOGICAL :: B
-     END SUBROUTINE ABSTRACT_INTERFACE
-  END INTERFACE
-END MODULE MY_ABSTRACT_MODULE  
-
-!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-MODULE MY_CONCRETE_MODULE
-  INTERFACE
-     SUBROUTINE MY_CONCRETE_SUB(A, B)
-       IMPLICIT NONE
-       INTEGER :: A
-       LOGICAL :: B
-     END SUBROUTINE MY_CONCRETE_SUB
-  END INTERFACE
-END MODULE MY_CONCRETE_MODULE
-
-SUBROUTINE MY_CONCRETE_SUB(A, B)
-  IMPLICIT NONE
-  INTEGER :: A
-  LOGICAL :: B
-
-  PRINT *, "I'm in MY_CONCRETE_SUB", A, B
-END SUBROUTINE MY_CONCRETE_SUB
-
-!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-MODULE MY_MODULE
-  INTERFACE
-     SUBROUTINE MY_SUB(A, B) BIND(C, NAME="FOO")
-       USE MY_ABSTRACT_MODULE
-       IMPLICIT NONE
-       INTEGER, INTENT(IN) :: A
-       PROCEDURE(ABSTRACT_INTERFACE) :: B
-     END SUBROUTINE MY_SUB
-  END INTERFACE
-END MODULE MY_MODULE
-
-SUBROUTINE MY_SUB(A, B) BIND(C, NAME="FOO")
-  USE MY_ABSTRACT_MODULE
-  IMPLICIT NONE
-  INTEGER, INTENT(IN) :: A
-  PROCEDURE(ABSTRACT_INTERFACE) :: B
-
-  LOGICAL :: C
-
-  C = .TRUE.
-  PRINT *, "I'm in MY_SUB", A, C
-  CALL B(A, C)
-END SUBROUTINE MY_SUB
-
-!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
-PROGRAM TEST_ABSTRACT_PROCEDURE
-  USE MY_ABSTRACT_MODULE
-  USE MY_CONCRETE_MODULE
-  USE MY_MODULE
-  IMPLICIT NONE
-  INTEGER :: FOO
-
-  FOO = 3
-  CALL MY_SUB(FOO, MY_CONCRETE_SUB)
-END PROGRAM TEST_ABSTRACT_PROCEDURE
-]])],
-             [AS_VAR_SET(ticket_4157_var, happy)],
-             [AS_VAR_SET(ticket_4157_var, unhappy)])
-        AC_LANG_POP([Fortran])
-        cd ..
-        rm -rf contest.$$.d
-       ])
-
-    AS_VAR_IF(ticket_4157_var, [happy], [$1], [$2])
-    AS_VAR_POPDEF([ticket_4157_var])
-])

config/ompi_setup_mpi_fortran.m4

@@ -409,22 +409,6 @@ AC_DEFUN([OMPI_SETUP_MPI_FORTRAN],[
                [OMPI_FORTRAN_HAVE_PROCEDURE=1],
                [OMPI_FORTRAN_HAVE_PROCEDURE=0])])
 
-    # Per https://svn.open-mpi.org/trac/ompi/ticket/4157, temporarily
-    # disqualify the fortran compiler if it exhibits the behavior
-    # described in that ticket.  Short version: OMPI does something
-    # non-Fortran that we don't have time to fix 1.7.4.  So we just
-    # disqualify Fortran compilers who actually enforce this issue,
-    # and we'll fix OMPI to be Fortran-compliant after 1.7.4
-    AS_IF([test $OMPI_WANT_FORTRAN_USEMPIF08_BINDINGS -eq 1 && \
-           test $OMPI_BUILD_FORTRAN_USEMPIF08_BINDINGS -eq 1 && \
-           test $OMPI_FORTRAN_HAVE_PROCEDURE -eq 1 && \
-           test $OMPI_FORTRAN_HAVE_ABSTRACT -eq 1],
-          [ # Check for ticket 4157
-           OMPI_FORTRAN_CHECK_TICKET_4157(
-               [],
-               [ # If we don't have this, don't build the mpi_f08 module
-                OMPI_BUILD_FORTRAN_USEMPIF08_BINDINGS=0])])
-
     OMPI_FORTRAN_F08_HANDLE_SIZE=4
     AS_IF([test $OMPI_WANT_FORTRAN_USEMPIF08_BINDINGS -eq 1 -a \
            $OMPI_BUILD_FORTRAN_USEMPIF08_BINDINGS -eq 1],