Checking if your kit is complete... Looks good Writing Makefile for Devel::FastProf cp lib/Devel/FastProf.pm blib/lib/Devel/FastProf.pm cp lib/Devel/FastProf/Reader.pm blib/lib/Devel/FastProf/Reader.pm /home/cpanrun/ia64-lp64/build/5.8.2/bin/perl /home/cpanrun/ia64-lp64/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp -typemap /home/cpanrun/ia64-lp64/build/5.8.2/lib/5.8.2/ExtUtils/typemap FastProf.xs > FastProf.xsc && mv FastProf.xsc FastProf.c cc -c -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings +DD64 -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +DSitanium2 +Ofltacc=strict -DVERSION=\"0.08\" -DXS_VERSION=\"0.08\" +Z "-I/home/cpanrun/ia64-lp64/build/5.8.2/lib/5.8.2/IA64.ARCHREV_0-thread-multi-LP64/CORE" -DHAS_GETTIMEOD FastProf.c Error 172: "FastProf.xs", line 277 # Undeclared variable 'LOCK_EX'. flock(fileno(out), LOCK_EX); ^^^^^^^ Error 172: "FastProf.xs", line 288 # Undeclared variable 'LOCK_EX'. flock(fileno(out), LOCK_EX); ^^^^^^^ Error 172: "FastProf.xs", line 356 # Undeclared variable 'LOCK_UN'. flock(fileno(out), LOCK_UN); ^^^^^^^ Error 172: "FastProf.xs", line 379 # Undeclared variable 'LOCK_UN'. flock(fileno(out), LOCK_UN); ^^^^^^^ make: *** [FastProf.o] Error 2