Hi Immanuel, Are you using Windows or Linux or OSX? Under Windows, I was able to install it (no need to compile, since the libraries are bundled). I could also run some examples from the SOE book, however IMO the GLFW Haskell wrapper seems to contain some bugs (at least on Windows) that prevented some demos from working. I locally fixed the GLFW.hs file so that all seems to work. But you don't seem to get to that step yet... I had the error you described once when installing another package that had an incomplete cabal file, but that can't be the case here I guess... If you just want to try SOE, you can also try GTK2HS http://haskell.org/gtk2hs http://haskell.org/gtk2hs/ (note you'll have to replace each "import SOE" line with "import Graphics.SOE.Gtk) Cheers, Peter Immanuel Normann wrote:

Hello,

I have just read the thread about "installation of GLUT package" started at 9/3/2007 by Ronald Guida. Installation of the GLFW package is very much related to that. However, I haven't found the solution for installing the GLFW successsfully.

I have downloaded

http://www.cs.yale.edu/homes/hl293/download/GLFW-20070804.zip

and followed the compile and installation instructions from the README.txt file. Actually I haven't noticed any error messages.

Then I tried SimpleGraphics from SOE (downloaded from http://www.cs.yale.edu/homes/hl293/download/SOE-20070830.zip) with ghci-6.6. Again loading the file did not raise any error.

But when I tried to start

main = runGraphics ( do w <- openWindow "My First Graphics Program" (300,300) drawInWindow w (text (100,200) "Hello Graphics World") k <- getKey w closeWindow w )

I got this error message:

"During interactive linking, GHCi couldn't find the following symbol: GLFWzm0zi1_GraphicsziUIziGLFW_initializze_closure This may be due to you not asking GHCi to load extra object files, archives or DLLs needed by your current session. Restart GHCi, specifying the missing library using the -L/path/to/object/dir and -lmissinglibname flags, or simply by naming the relevant files on the GHCi command line. Alternatively, this link failure might indicate a bug in GHCi."

Here I am lost. What is the missing library?

Regards, Immanuel

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