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Date: Sun, 07 Aug 2005 05:54:00 -0000
From: "pault at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20050807055405.23270.pault@gcc.gnu.org>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug fortran/23270] New: Undefined reference to module blank common variable 
X-Bugzilla-Reason: CC
X-SW-Source: 2005-08/txt/msg00715.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

! ld error - undefined reference to `__test_equiv_a'
! OK with ifc
!
module test_equiv
  common a
  real    a
end module test_equiv
program module_equiv
  use test_equiv
  a = 999.0_4
end program module_equiv

[prt@localhost mytests]# /gcc-4.1/bin/gfortran  -std=f95 module_equivalence_pr.f90
/tmp/cc0RTDPI.o(.text+0x9): In function `MAIN__':
: undefined reference to `__test_equiv__a'
collect2: ld returned 1 exit status

-- 
           Summary: Undefined reference to module blank common variable
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pault at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23270