Hello, I have installed GHC and cygwin on windows XP and I am trying to build the unix package (required to install HApps) ** When I use .../ghc/gcc as c compiler I receive the following error during the configure* D:\temp\haskell\unix-2.3.0.0>runhaskell Setup configure --ghc --prefix=D:\apps\h-lib Configuring unix-2.3.0.0... checking for gcc... gcc checking for C compiler default output file name... *configure: error: C compiler cannot create executables* See `config.log' for more details. and config.log says that : * ld: crt2.o: No such file: No such file or directory* ** When I use the gcc in cygwin : /usr/bin/gcc, the configure phase is ok but the build stop on the following error:* D:\temp\haskell\unix-2.3.0.0>runhaskell Setup build Preprocessing library unix-2.3.0.0... *In file included from System\Posix\DynamicLinker\Module.hsc:57:0: include/HsUnix.h:32:23: sys/times.h: No such file or directory* include/HsUnix.h:38:26: sys/resource.h: No such file or directory include/HsUnix.h:41:22: sys/wait.h: No such file or directory include/HsUnix.h:62:21: termios.h: No such file or directory include/HsUnix.h:65:25: sys/utsname.h: No such file or directory include/HsUnix.h:68:17: pwd.h: No such file or directory include/HsUnix.h:71:17: grp.h: No such file or directory include/HsUnix.h:81:17: pty.h: No such file or directory include/HsUnix.h:84:18: utmp.h: No such file or directory include/HsUnix.h:87:19: dlfcn.h: No such file or directory In file included from System\Posix\DynamicLinker\Module.hsc:57:0: include/HsUnix.h: In function `__hsunix_wifexited': include/HsUnix.h:103:0: warning: implicit declaration of function `WIFEXITED' include/HsUnix.h: In function `__hsunix_wexitstatus': include/HsUnix.h:104:0: warning: implicit declaration of function `WEXITSTATUS' include/HsUnix.h: In function `__hsunix_wifsignaled': include/HsUnix.h:105:0: warning: implicit declaration of function `WIFSIGNALED' include/HsUnix.h: In function `__hsunix_wtermsig': include/HsUnix.h:106:0: warning: implicit declaration of function `WTERMSIG' include/HsUnix.h: In function `__hsunix_wifstopped': include/HsUnix.h:107:0: warning: implicit declaration of function `WIFSTOPPED' include/HsUnix.h: In function `__hsunix_wstopsig': include/HsUnix.h:108:0: warning: implicit declaration of function `WSTOPSIG' include/HsUnix.h: In function `__hsunix_rtldDefault': include/HsUnix.h:115:0: error: `RTLD_DEFAULT' undeclared (first use in this function) include/HsUnix.h:115:0: error: (Each undeclared identifier is reported only once include/HsUnix.h:115:0: error: for each function it appears in.) include/HsUnix.h: In function `__hsunix_lstat': include/HsUnix.h:134:0: warning: implicit declaration of function `lstat' include/HsUnix.h: In function `__hsunix_mknod': include/HsUnix.h:140:0: warning: implicit declaration of function `mknod' compiling dist\build\System\Posix\DynamicLinker\Module_hsc_make.c failed *command was: d:\apps\ghc\bin\ghc.exe -c -package base-3.0.2.0 -package directory-1.0.0.1 -Iinclude dist\build\System\Pos ix\DynamicLinker\Module_hsc_make.c -o dist\build\System\Posix\DynamicLinker\Module_hsc_make.o* Could someone help me. Thank you J-C