Okay, I tried to ignore the error and went on with "make install" (after "./configure" and "make"). However, again an error message appears (see above), and there is no .exe output. What can I do about this now? Christian C:\test-hmake\hmake-2.02>make install cd src/hmake; make HC=ghc install make[1]: Entering directory `/test-hmake/hmake-2.02/src/hmake' make[1]: Nothing to be done for `install'. make[1]: Leaving directory `/test-hmake/hmake-2.02/src/hmake' cd src/interpreter; make HC=ghc install make[1]: Entering directory `/test-hmake/hmake-2.02/src/interpreter' /test-hmake/hmake-2.02/script/hmake -ghc HInteractive -d/test-hmake/hmake-2.02/t argets/ix86-CYGWIN_NT-4.0/obj/interpreter Fail: Can't find module Posix in . Or in standard libraries at /ghc/ghc-4.08.2/lib/imports/std /ghc/ghc-4.08.2/lib/imports/data /ghc/ghc-4.08.2/lib/imports/lang /ghc/ghc-4.08.2/lib/imports/posix /ghc/ghc-4.08.2/lib/imports/net /ghc/ghc-4.08.2/lib/imports/num /ghc/ghc-4.08.2/lib/imports/text /ghc/ghc-4.08.2/lib/imports/util /ghc/ghc-4.08.2/lib/imports/win32 /ghc/ghc-4.08.2/lib/imports/concurrent Asked for by: HmakeConfig.hs [Check settings of -I or -P flags?] Stop - hmake dependency error. make[1]: *** [/test-hmake/hmake-2.02/lib/ix86-CYGWIN_NT-4.0/HInteractive.exe] Er ror 1 make[1]: Leaving directory `/test-hmake/hmake-2.02/src/interpreter' make: *** [targets/ix86-CYGWIN_NT-4.0/hmake_g] Error 2