Checking if your kit is complete... Looks good Writing Makefile for Win32::Hardlink cp Hardlink.pm blib/lib/Win32/Hardlink.pm /export/home/cpanrun/build/5.6.1/bin/perl -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi -I/export/home/cpanrun/build/5.6.1/lib/5.6.1 /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /export/home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap -typemap typemap Hardlink.xs > Hardlink.xsc && mv Hardlink.xsc Hardlink.c Please specify prototyping behavior for Hardlink.xs (see perlxs manual) gcc -c -DUSE_REENTRANT_API -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"0.02\" -DXS_VERSION=\"0.02\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE Hardlink.c gcc -c -DUSE_REENTRANT_API -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"0.02\" -DXS_VERSION=\"0.02\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE lnw.cpp lnw.cpp:20: windows.h: No such file or directory lnw.cpp:22: tchar.h: No such file or directory make: *** [lnw.o] Error 1