Writing Makefile for PLDelphi cc -c -Wall -Wno-comments -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE +DA1.1 +DS2.0a +z -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Ae -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi/CORE PLDelphi.c cc: warning 422: Unknown option "-Wno-comments" ignored. cpp: "PLDelphi.c", line 21: error 4036: Can't open include file 'windows.h'. make: *** [PLDelphi.o] Error 1