The attached change fixes these fortran tests on hppa-hpux.  We need to 
explicitly link against libatomic.
Committed to trunk.

Dave
--
John David Anglin       dave.ang...@bell.net


2017-01-28  John David Anglin  <dang...@gcc.gnu.org>

        * gfortran.dg/coarray_41.f90: Add "-latomic" option if
        libatomic_available.
        * gfortran.dg/coarray_42.f90: Likewise.
        * gfortran.dg/coarray_alloc_comp_3.f08: Likewise.
        * gfortran.dg/coarray_alloc_comp_4.f08: Likewise.
        * gfortran.dg/coarray_lib_alloc_4.f90: Likewise.

Index: gfortran.dg/coarray_41.f90
===================================================================
--- gfortran.dg/coarray_41.f90  (revision 244960)
+++ gfortran.dg/coarray_41.f90  (working copy)
@@ -1,5 +1,6 @@
 ! { dg-do run }
 ! { dg-options "-fcoarray=lib -lcaf_single" }
+! { dg-additional-options "-latomic" { target libatomic_available } }
 
 program coarray_41
 
Index: gfortran.dg/coarray_42.f90
===================================================================
--- gfortran.dg/coarray_42.f90  (revision 244960)
+++ gfortran.dg/coarray_42.f90  (working copy)
@@ -1,5 +1,6 @@
 ! { dg-do run }
 ! { dg-options "-fdump-tree-original -fcoarray=lib -lcaf_single" }
+! { dg-additional-options "-latomic" { target libatomic_available } }
 
 program Jac
   type Domain
Index: gfortran.dg/coarray_alloc_comp_3.f08
===================================================================
--- gfortran.dg/coarray_alloc_comp_3.f08        (revision 244960)
+++ gfortran.dg/coarray_alloc_comp_3.f08        (working copy)
@@ -1,5 +1,6 @@
 ! { dg-do run }
 ! { dg-options "-fcoarray=lib -lcaf_single" }
+! { dg-additional-options "-latomic" { target libatomic_available } }
 !
 ! Contributed by Andre Vehreschild
 ! Check that manually freeing components does not lead to a runtime crash,
Index: gfortran.dg/coarray_alloc_comp_4.f08
===================================================================
--- gfortran.dg/coarray_alloc_comp_4.f08        (revision 244960)
+++ gfortran.dg/coarray_alloc_comp_4.f08        (working copy)
@@ -1,5 +1,6 @@
 ! { dg-do compile }
 ! { dg-options "-fcoarray=lib -fdump-tree-original" }
+! { dg-additional-options "-latomic" { target libatomic_available } }
 !
 ! Contributed by Andre Vehreschild
 ! Check that sub-components are caf_deregistered and not freed.
Index: gfortran.dg/coarray_lib_alloc_4.f90
===================================================================
--- gfortran.dg/coarray_lib_alloc_4.f90 (revision 244960)
+++ gfortran.dg/coarray_lib_alloc_4.f90 (working copy)
@@ -1,5 +1,6 @@
 ! { dg-do run }
 ! { dg-options "-fcoarray=lib -lcaf_single -fdump-tree-original" }
+! { dg-additional-options "-latomic" { target libatomic_available } }
 !
 ! Allocate/deallocate with libcaf.
 !

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