I can't recall for certain but I may have run across this when the dll was compiled as 32 bit but Racket was 64 bit. Deren <div class="gmail_quote">On Jan 16, 2015 12:25 AM, "Lehi Toskin" <<a href="mailto:lehi@tosk.in">lehi@tosk.in</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Thu, 15 Jan 2015 18:55:41 -0700, Matthew Flatt wrote: > At Thu, 15 Jan 2015 22:10:35 +0000 (UTC), Lehi Toskin wrote: >> I am attempting to use this C library I've written with the Racket FFI, >> but (ffi-lib "mylib") reports "The specified module could not be >> found.; >> errno=126". This only happens on Windows. On Linux the library gets >> loaded properly and I can use it fine. What could be the problem? > > Can you say more about where "mylib.dll" is located in your Windows > installation --- and maybe also where it's located on Linux, for > comparison? > I actually have the library in the same directory as the script for both platforms. I've tried "mylib", "mylib.dll" and even permutations of "path/ to/lib/directory/mylib". ____________________ Racket Users list: <a href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a> </blockquote></div>