Note (probably harmless): No library found for -lwinmm Checking if your kit is complete... Looks good Writing Makefile for Win32::MIDI::API cp API.pm blib/lib/Win32/MIDI/API.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 API.xs > API.xsc && mv API.xsc API.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=\"0.03\" -DXS_VERSION=\"0.03\" -fPIC -I/export/home/cpanrun/build/5.6.1/lib/5.6.1/sun4-solaris-thread-multi/CORE API.c API.xs:31: windows.h: No such file or directory API.xs:32: mmsystem.h: No such file or directory make: *** [API.o] Error 1