[Bug fortran/77593] New: configure-target-libgfortran " cygwin64 Windows 10 anniversary

[tprince at computer dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77593

            Bug ID: 77593
           Summary: configure-target-libgfortran " cygwin64 Windows 10
                    anniversary
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tprince at computer dot org
  Target Milestone: ---

Created attachment 39621
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39621&action=edit
Log file as specified in "please report a bug"

This failure appears to be Windows version dependent, but it provokes "please
report a bug."
It's possible to cd into libgfortran and configure and build, but the gfortran
build is faulty as the script reports.  Attaching config.log as requested.