I've identified the reason why DLL don't show up: in the startup code
(winsup/cygwin/dcrt0.cc), in dll_crt0_0(), Win32's SetErrorMode() is
called to suppress all OS error dialogs. It's there since 1998 according
to the changelog, so it must not bother many people... I guess it would
be ugly to add error messages for missing DLLs all the way up from the
low-level spawn/exec/etc.
And in it's usual nice design practice, SetErrorMode() is a global
setting affecting all threads in the process, so changing it temporarily
in the spawn()/exec() function could be bad.
--
Pierre Baillargeon
Innobec
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