Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration: Platform: osname=hpux, osvers=11.11, archname=PA-RISC2.0-LP64-stdio uname='hp-ux ux15 b.11.11 u 9000800 136901557 unlimited-user license ' config_args='' hint=recommended, useposix=true, d_sigaction=define usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef useperlio=undef d_sfio=undef uselargefiles=define usesocks=undef use64bitint=define use64bitall=undef uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='cc', ccflags =' -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 ', optimize='+O2 +Onolimit', cppflags='-Aa -D__STDC_EXT__ -D_HPUX_SOURCE -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings -I/usr/local/include' ccversion='B.11.11.04', gccversion='', gccosandvers='' intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=87654321 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16 ivtype='long long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8 alignbytes=8, prototype=define Linker and Libraries: ld='/usr/bin/ld', ldflags =' -L/usr/local/lib' libpth=/usr/local/lib /lib /usr/lib /usr/ccs/lib libs=-lcl -lpthread -lnsl -lnm -lndbm -lmalloc -ldld -lm -lc -lndir -lcrypt -lsec perllibs=-lcl -lpthread -lnsl -lnm -lmalloc -ldld -lm -lc -lndir -lcrypt -lsec libc=/lib/libc.sl, so=sl, useshrplib=false, libperl=libperl.a gnulibc_version='' Dynamic Linking: dlsrc=dl_hpux.xs, dlext=sl, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-B,deferred ' cccdlflags='+Z', lddlflags='-b +vnocompatwarnings -L/usr/local/lib' Characteristics of this binary (from libperl): Compile-time options: USE_64_BIT_INT USE_LARGE_FILES Built under hpux Compiled at Apr 8 2003 10:44:22 @INC: /opt/perl5/lib/5.8.0/PA-RISC2.0-LP64-stdio /opt/perl5/lib/5.8.0 /opt/perl5/lib/site_perl/5.8.0/PA-RISC2.0-LP64-stdio /opt/perl5/lib/site_perl/5.8.0 /opt/perl5/lib/site_perl