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c2aa5b6d74
This reverts commit d9e9c7b5a7. The latter added ".dll" to the
blessed_executable_suffixes array because on 32-bit Windows, the
GetBinaryType function would report that a 64-bit DLL is an
executable, contrary to the documentation of that function.
That anomaly does not exist on 64-bit Windows, so we can remove ".dll"
from the list. Reverting the commit does, however, change the
behavior of the rename(2) syscall in the following unlikely situation:
Suppose we have an executable foo.exe and we make the call
rename ("foo", "bar.dll");
Previously, foo.exe would be renamed to bar.dll. So bar.dll would
then be an executable without the .exe extension. The new behavior is
that foo.exe will be renamed to bar.dll.exe. [Exception: If there
already existed an executable (not a DLL!) with the name bar.dll, then
.exe will not be appended.]
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cygwin documentation is available on the net at https://cygwin.com You might especially be interested in https://cygwin.com/faq/faq.html#faq.programming.building-cygwin