Hello! When I try to install HOpenGl with win2000 and GHC ghc-5.04.3 with green card 2.05 and cygwin I get this error message (on the last rows in the next paragraph): Magnus_Lindberg@leomaheo /cygdrive/f/Unex_progs/Haskell/HOpenGL-1.04 $ make install ---------------------------------------------------------------------- Recursively making `install' in lib examples ... PWD = /cygdrive/f/Unex_progs/Haskell/HOpenGL-1.04 ---------------------------------------------------------------------- ---------------------------------------------------------------------- make install - --unix; in /cygdrive/f/Unex_progs/Haskell/HOpenGL-1.04/lib ---------------------------------------------------------------------- rm -f GL_Marshal.o ; if [ ! -d GL_Marshal_split ]; then mkdir GL_Marshal_split; else find GL_Marshal_split -name '*.o' -print | xargs -s 8000 rm -f __rm_food ; fi ; "C:/Program/Haskell/ghc/ghc-5.04.3/bin/ghc.exe" -package lang -package-name HOpenGL -i../GLUT -I../GLUT/include -cpp -DCALLCONV=stdcall -split-objs -odir GL_Marshal_split -fglasgow-exts "-#include < GL/glut.h>" -O -c GL_Marshal.hs -o GL_Marshal.o c:\DOCUME~1\MAGNUS~1\LOKALA~1\Temp\ghc1480.hc:4: GL/glut.h: No such file or directory make[1]: *** [GL_Marshal.o] Error 1 make: *** [install] Error 1 I have installed the missing "include" directiory from the "OpenGL-includes.zip" into the catalog where the HOpenGL makefile is. I also get another strange message: $make depend ... cut: /cygdrive/c/Program/Haskell/ghc/ghc-5.04.3/bin/ghc: No such file or directory ... (there is a file named "ghc.exe" in the above mentioned catalog but no "ghc" file) I guess not, but perhaps this could have something to do with the failure of "make install" ? Thanks for any answers Best regards, Magnus