Hi,
cygcheck also searches the `basename <arg1>` for
dependent DLLs while dlopen requires PATH to be set to
open the DLL. One of them should be corrected to make
life consistent. example is as follows:
$ cygcheck /usr/lib/gstreamer-0.8/cyggstossaudio.dll
C:/cygwin/lib/gstreamer-0.8/cyggstossaudio.dll
C:/cygwin/lib/gstreamer-0.8\cyggstaudio.dll
C:\cygwin\bin\cygwin1.dll
C:\WINDOWS\System32\ADVAPI32.DLL
C:\WINDOWS\System32\ntdll.dll
C:\WINDOWS\System32\KERNEL32.dll
C:\WINDOWS\System32\RPCRT4.dll
C:\cygwin\bin\cygglib-2.0-0.dll
C:\cygwin\bin\cygiconv-2.dll
C:\cygwin\bin\cygintl-3.dll
C:\cygwin\bin\cyggobject-2.0-0.dll
C:\cygwin\bin\cyggstreamer-0.8-1.dll
C:\cygwin\bin\cyggmodule-2.0-0.dll
C:\cygwin\bin\cyggthread-2.0-0.dll
C:\cygwin\bin\cygpopt-0.dll
C:\cygwin\bin\cygxml2-2.dll
C:\cygwin\bin\cygz.dll
C:\cygwin\bin\cyggstinterfaces-0.8-0.dll
dlopen on /usr/lib/gstreamer-0.8/cyggstossaudio.dll
fails(with win32 error 126) if /usr/lib/gstreamer-0.8
is not in PATH, probably because cyggstaudio.dll is in
there.
if I run the program with
PATH=/usr/lib/gstreamer-0.8:$PATH <prog>, it dlopen()s
the DLL fine.
I think either cygcheck is misleading in this case or
dlopen should check for basename of its argument to
open the dependent DLLs as well. I am speculating that
its the former.
Thanks,
Sunil
PS: One more thing, errno is set to 13 (permission
denied) after dlopen fails (although dlerror() pointed
to 126). Is that right?
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