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Cygwin & libltdl

From: Bob Friesenhahn
Subject: Cygwin & libltdl
Date: Mon, 4 Jun 2007 21:43:51 -0500 (CDT)

GraphicsMagick has been tracking CVS libtool pretty closely. I have not tried building under Windows in quite a while. I notice that the Cygwin build fails when building loadable modules and lists all of the externals that the loadable module needs from the main library. I used nm on magick/.libs/libGraphicsMagick.dll.a (the main library the module links against) and notice that all of the symbols listed there are from libltdl. For some reason, none of the normal symbols which should be in the library are there. Using nm on magick/.libs/cygGraphicsMagick-2.dll shows the expected symbols so it seems that the link library came up short.

The Cygwin version is fairly old (but used to work). This is what uname reports:

CYGWIN_NT-5.1 velma 1.5.12(0.116/4/2) 2004-11-10 08:34 i686 unknown unknown 

Meanwhile I have a MinGW/MSYS build which successfully completed in a similar build configuration.


Bob Friesenhahn
GraphicsMagick Maintainer,

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