I haven't had time to test the patch. I don't see off hand anything wrong the patch. But, as you've seen in bugzilla recent IO work has caused some problem for a few archs. You'll probably need to keep an eye open for new issues.
-- steve On Thu, Oct 20, 2016 at 12:32:38PM -0700, Jerry DeLisle wrote: > Ping (shall I proceed) > > On 10/18/2016 04:48 PM, Jerry DeLisle wrote: > > Hi Folks, > > > > The attached patch does some minor cleanup and bumps the libgfortran version > > number. I have wanted to reorder the dtp structure for many years now. Not > > strictly needed but it has bugged me forever. > > > > The bump is needed because of the significant changes from implementation > > of DTIO. > > > > I also took care of the stream I/O TODO and added a new test case for the > > error > > message. > > > > On my system, I have LD_LIBRARY_PATH set to point to the new library version > > first and then the version 3 are found elsewhere. With the patch we now see > > the > > following behavior. (Test case in the PR) > > > > Compile with version 6. Finds libgfortran3 on execution: > > $gfc6 pr77828.f90 > > $ ./a.out > > Greetings from i 42 of 43 > > > > Greetings from i 42 of 43 > > > > Compile with version 7. Finds libgfortran4 on execution: > > $ gfc pr77828.f90 > > [jerry@amda8 pr77828]$ ./a.out > > Greetings from i 42 of 43 > > > > Greetings from i 42 of 43 > > > > Change LD_LIBRARY_PATH to not find libgfortran4: > > $ export LD_LIBRARY_PATH=/home/jerry/dev/usr6/lib64 > > $ gfc pr77828.f90 > > $ ./a.out > > ./a.out: error while loading shared libraries: libgfortran.so.4: cannot open > > shared object file: No such file or directory > > > > Word of caution. When this patch is applied rebuild from a clean/empty build > > directory. You must delete any libgfortran3 remnants that may have been > > built > > and installed previously with gcc version 7 trunk, Otherwise the > > linker/loader > > may find those rather than a libgfortran3 built for gcc 6 or previous. (When > > compiling with a previous version of gcc) > > > > New test case provided for the streamio error check. > > > > Regression tested on x86-64-linux. > > > > OK for trunk? > > > > Regards, > > > > Jerry > > > > 2016-10-18 Jerry DeLisle <jvdeli...@gcc.gnu.org> > > > > PR fortran/77828 > > * io/io.h (st_parameter_dt): Reorder for readability and sanity. > > * io/transfer.c (data_transfer_init): Remove TODO and enable the > > runtime error message, rec= specifier not allowed in STREAM > > access. > > * libtool-version: Bump major version of libgfortran to 4. > > > > 2016-10-18 Jerry DeLisle <jvdeli...@gcc.gnu.org> > > > > PR fortran/77828 > > * ioparm.def: Reorder dt parameters to match libgfortran. > > > > > > -- Steve