Note (probably harmless): No library found for '-Writing Makefile for Graphics::PLplot library found for '-lX11' cp PLplot.pm blib\lib\Graphics\PLplot.pm D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop. :\cpanrun\build\5-6-1\lib\ExtUtils\typemap -typemap typemap PLplot.xs > PLplot.xsc && D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e mv PLplot.xsc PLplot.c cl -c -I/usr/local/include -nologo -O1 -MD -Zi -DNDEBUG -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DPERL_MSVCRT_READFIX -O1 -MD -Zi -DNDEBUG -DVERSION=\"0.03\" -DXS_VERSION=\"0.03\" -ID:\cpanrun\build\5-6-1\lib\CORE PLplot.c PLplot.c PLplot.xs(33) : fatal error C1083: Cannot open include file: 'plplot/plplotP.h': No such file or directory