Checking if your kit is complete... Looks good Writing Makefile for Win32::Symlink cp Symlink.pm blib/lib/Win32/Symlink.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 Symlink.xs > Symlink.xsc && mv Symlink.xsc Symlink.c Please specify prototyping behavior for Symlink.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=\"0.03\" -DXS_VERSION=\"0.03\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE Symlink.c In file included from Symlink.xs:11: pgsymlink.c:5: windows.h: No such file or directory pgsymlink.c:6: winioctl.h: No such file or directory make: *** [Symlink.o] Error 1