[Haskell-cafe] SOE/GLFW compilation problems

Joel Stanley intractable at gmail.com
Sun Oct 7 12:29:57 EDT 2007


Hi folks,

I've recently been able to get the SOE/GLFW code up and running from

    http://haskell.org/soe/software1.htm

and things are working well under GHCi under Mac OS X.

However, when attempting to compile a simple graphics script using ghc, I'm
getting some unexpected link errors:

$ ghc -o mygfx mygfx.hs -iSOE/src
compilation IS NOT required
/usr/bin/ld: Undefined symbols:
_SOE_Blue_closure
_SOE_Red_closure
_SOE_closeWindow_closure
_SOE_drawInWindow_closure
_SOE_ellipse_closure
_SOE_getKey_closure
_SOE_openWindow_closure
_SOE_polyline_closure
_SOE_runGraphics_closure
_SOE_withColor_closure
collect2: ld returned 1 exit status

I'm quite new to Haskell, so I'm not sure if there was something special I
had to do in order to get the code for the closures generated by ghc.

Any ideas? Thanks in advance.

Joel
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