[Patch, Fortran] PR42517: Bogus runtime error with -fopenmp -fcheck=recursion

[H.J. Lu]

On Wed, Dec 30, 2009 at 8:57 AM, Janus Weil <janus@gcc.gnu.org> wrote:
> 2009/12/30 H.J. Lu <hjl.tools@gmail.com>:
>> On Wed, Dec 30, 2009 at 6:33 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>> On Wed, Dec 30, 2009 at 1:42 AM, Janus Weil <janus@gcc.gnu.org> wrote:
>>>>> I have seen those on Linux/ia32:
>>>>>
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O0  (test for excess errors)
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O1  (test for excess errors)
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O2  (test for excess errors)
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -fomit-frame-pointer  (test
>>>>> for excess errors)
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -fomit-frame-pointer
>>>>> -funroll-all-loops -finline-functions  (test for excess errors)
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -fomit-frame-pointer
>>>>> -funroll-loops  (test for excess errors)
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O3 -g  (test for excess errors)
>>>>> FAIL: gfortran.dg/gomp/recursion1.f90  -Os  (test for excess errors)
>>>>
>>>> Can you tell me what these excess errors are? I don't see them on
>>>> x86_64-unknown-linux-gnu.
>>>>
>>>
>>> I don't have gcc 4.5 installed. I got
>>>
>>> Executing on host:
>>> /export/build/gnu/gcc/build-x86_64-linux/gcc/testsuite/gfortran/../../gfortran
>>> -B/export/build/gnu/gcc/build-x86_64-linux/gcc/testsuite/gfortran/../../
>>> /net/gnu-6/export/gnu/import/git/gcc/gcc/testsuite/gfortran.dg/gomp/recursion1.f90
>>>  -O0  -fopenmp -fcheck=recursion
>>> -B/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libgfortran/.libs
>>> -L/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libgfortran/.libs
>>> -L/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libgfortran/.libs
>>> -L/export/build/gnu/gcc/build-x86_64-linux/x86_64-unknown-linux-gnu/32/libiberty
>>>  -lm   -m32 -o ./recursion1.exe    (timeout = 300)
>>> gfortran: libgomp.spec: No such file or directory^M
>>> compiler exited with status 1
>>> output is:
>>> gfortran: libgomp.spec: No such file or directory^M
>>>
>>> FAIL: gfortran.dg/gomp/recursion1.f90  -O0  (test for excess errors)
>>> Excess errors:
>>> gfortran: libgomp.spec: No such file or directory
>>>
>>>
>>
>> recursion1.f90 is the only run-time test in gfortran.dg/gomp, which
>> isn't set up to find the just built libgomp.spec.
>
> Hm, ok. Is there a way to make the gfortran testsuite find libgomp, or
> should I rather move my run-time test to
> libgomp/testsuite/libgomp.fortran?
>

It is easier to put OpenMP run-time tests in libgomp/testsuite/libgomp.fortran.

-- 
H.J.