Summary of my perl5 (revision 5 version 10 subversion 0) configuration: Platform: osname=solaris, osvers=2.8, archname=sun4-solaris uname='sunos solbox.domain.com 5.8 generic_117350-43 sun4u sparc sunw,sun-fire-480r ' config_args='-de -Dprefix=/home/user/perl -Dcc=gcc -Duserelocatableinc' hint=recommended, useposix=true, d_sigaction=define 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='gcc', ccflags ='-fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64', optimize='-O', cppflags='-fno-strict-aliasing -pipe' ccversion='', gccversion='3.3.2', gccosandvers='solaris2.8' 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='gcc', ldflags =' -L/usr/local/lib ' libpth=/usr/local/lib /usr/lib /usr/ccs/lib libs=-lsocket -lnsl -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='-fPIC', lddlflags='-G -L/usr/local/lib' Characteristics of this binary (from libperl): Compile-time options: PERL_DONT_CREATE_GVSV PERL_MALLOC_WRAP USE_LARGE_FILES USE_PERLIO Built under solaris Compiled at May 15 2008 13:00:27 @INC: ./../lib/5.10.0/sun4-solaris ./../lib/5.10.0 ./../lib/site_perl/5.10.0/sun4-solaris ./../lib/site_perl/5.10.0 .