[Bug bootstrap/77593] [7 Regression] Bootstrap failure with configure-target-libgfortran " cygwin64 Windows 10 anniversary
jvdelisle at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Sun Sep 25 19:04:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77593
--- Comment #9 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
(In reply to tprince from comment #8)
> I show my configure parameters in my test results posts. At some time in
> the past, each of them has been important. I don't know if the parameters
> quoted by cygwin release pertain to cross compiling. As the parameters I
> use have been successful again last week on win8.1 I don't see how they
> might pertain to the f951 bootstrap failure on win10. When I get back to
> the win10 box I will compare with disable bootstrap.
Tim, using your parameters I was able to build. I proceeded to do a regression
hunt and confirmed that it was at the DTIO patch on 8/31/2016.
In this patch we added two new functions to libgfortran and set the symbol
versioning. I modified the library by inserting a printf("ping\n") in the code
path for a simple program.
print *, "hello"
end
The ping does not show which means the wrong library is being used at run time.
I am trying various config and bath settings to see if I can sort it out. No
luck so far.
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