Summary of my perl5 (revision 5 version 8 subversion 8) configuration: Platform: osname=solaris, osvers=2.9, archname=sun4-solaris uname='sunos elctrbz72 5.9 generic_112233-11 sun4u sparc sunw,sun-fire-v210 ' config_args='-Dprefix=/usr -Dversiononly -Dextras=Bundle::LWP Bundle::DBI DBD::Oracle' hint=recommended, useposix=true, d_sigaction=define usethreads=undef use5005threads=undef useithreads=undef usemultiplicity=undef useperlio=define d_sfio=undef uselargefiles=define usesocks=undef use64bitint=undef use64bitall=undef uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='cc', ccflags ='-I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64', optimize='-O', cppflags='-I/usr/local/include' ccversion='Sun C 5.8 2005/10/13', gccversion='', gccosandvers='' intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=4321 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16 ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8 alignbytes=8, prototype=define Linker and Libraries: ld='cc', ldflags =' -L/usr/lib -L/usr/ccs/lib -L/app/bin/SUNWspro/prod/lib/v8plus -L/app/bin/SUNWspro/prod/lib -L/lib -L/usr/local/lib ' libpth=/opt/sfw/lib /usr/lib /usr/ccs/lib /app/bin/SUNWspro/prod/lib/v8plus /app/bin/SUNWspro/prod/lib /lib /usr/local/lib libs=-lsocket -lnsl -ldb -ldl -lm -lc perllibs=-lsocket -lnsl -ldl -lm -lc libc=/lib/libc.so, so=so, useshrplib=false, libperl=libperl.a gnulibc_version='' Dynamic Linking: dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags=' ' cccdlflags='-KPIC', lddlflags='-G -L/usr/lib -L/usr/ccs/lib -L/app/bin/SUNWspro/prod/lib/v8plus -L/app/bin/SUNWspro/prod/lib -L/lib -L/usr/local/lib' Characteristics of this binary (from libperl): Compile-time options: PERL_MALLOC_WRAP USE_LARGE_FILES USE_PERLIO Built under solaris Compiled at Jan 22 2007 11:37:14 %ENV: PERL5LIB="/webfiles/localmods" @INC: lib /webfiles/localmods /usr/lib/perl5/5.8.8/sun4-solaris /usr/lib/perl5/5.8.8 /usr/lib/perl5/site_perl/5.8.8/sun4-solaris /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /webfiles/localmods .