Checking if your kit is complete... Looks good Writing Makefile for Sys::Mmap cp Mmap.pm blib/lib/Sys/Mmap.pm /home/cpanrun/ia64/build/5.6.1/bin/perl -I/home/cpanrun/ia64/build/5.6.1/lib/5.6.1/IA64.ARCHREV_0-thread-multi -I/home/cpanrun/ia64/build/5.6.1/lib/5.6.1 /home/cpanrun/ia64/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /home/cpanrun/ia64/build/5.6.1/lib/5.6.1/ExtUtils/typemap -typemap typemap Mmap.xs > Mmap.xsc && mv Mmap.xsc Mmap.c gcc -c -DUSE_REENTRANT_API -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE -L/lib/hpux32 -DUINT32_MAX_BROKEN -fPIC -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O -DVERSION=\"0.13\" -DXS_VERSION=\"0.13\" -fPIC -I/home/cpanrun/ia64/build/5.6.1/lib/5.6.1/IA64.ARCHREV_0-thread-multi/CORE Mmap.c Mmap.xs:14:1: warning: "_POSIX_C_SOURCE" redefined :5:1: warning: this is the location of the previous definition Mmap.xs: In function `XS_Sys__Mmap_mmap': Mmap.xs:157: error: `MAP_ANON' undeclared (first use in this function) Mmap.xs:157: error: (Each undeclared identifier is reported only once Mmap.xs:157: error: for each function it appears in.) make: *** [Mmap.o] Error 1