Summary of my perl5 (revision 5.0 version 8 subversion 2) configuration: Platform: osname=aix, osvers=5.2.0.0, archname=aix-thread-multi uname='aix animals 2 5 000709cf4c00 ' config_args='' hint=previous, useposix=true, d_sigaction=define usethreads=define use5005threads=undef useithreads=define usemultiplicity=define useperlio=define d_sfio=undef uselargefiles=define usesocks=undef use64bitint=undef use64bitall=undef uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='cc_r', ccflags ='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARG E_FILES -qlonglong', optimize='-O', cppflags='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -D_ALL_SOURCE -D_ANSI_C _SOURCE -D_POSIX_SOURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES -qlonglong -D_ALL_SOURCE -D_ANSI_C_SOURC E -D_POSIX_SOURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES -qlonglong -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_P OSIX_SOURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES -qlonglong -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_S OURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES -qlonglong -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxmem=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES -qlonglong -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -qmaxm em=16384 -qnoansialias -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -q32 -D_LARGE_FILES -qlonglong' ccversion='5.0.2.0', gccversion='', gccosandvers='' intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=4321 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=8 ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8 alignbytes=8, prototype=define Linker and Libraries: ld='ld', ldflags =' -brtl -b32 -bmaxdata:0x80000000' libpth=/lib /usr/lib /usr/ccs/lib libs=-lbind -lnsl -ldbm -ldl -lld -lm -lpthreads -lc_r -lcrypt -lbsd -lPW perllibs=-lbind -lnsl -ldl -lld -lm -lpthreads -lc_r -lcrypt -lbsd -lPW libc=/lib/libc.a, so=a, useshrplib=true, libperl=libperl.a gnulibc_version='' Dynamic Linking: dlsrc=dl_aix.xs, dlext=so, d_dlsymun=undef, ccdlflags='-bE:/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/perl.exp -bE:/usr/opt/perl5/lib/5.8.2/aix-t hread-multi/CORE/perl.exp -bE:/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/perl.exp -bE:/usr/opt/perl5/lib/5.8.2/aix-thread-multi/CORE/perl.exp' cccdlflags=' ', lddlflags='-bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -bnoentry -lpthreads -lc_r' Characteristics of this binary (from libperl): Compile-time options: MULTIPLICITY USE_ITHREADS USE_LARGE_FILES PERL_IMPLICIT_CONTEXT Locally applied patches: SUIDPERLIO1 - fix PERLIO_DEBUG buffer overflow (CAN-2005-0156) SPRINTF0 - fixes for sprintf formatting issues - CVE-2005-3962 REGCOMP0 - buffer overflow in regexp engine for UTF8 (CVE-2007-5116) Built under aix Compiled at Dec 5 2007 16:08:49 @INC: /usr/opt/perl5/lib/5.8.2/aix-thread-multi /usr/opt/perl5/lib/5.8.2 /usr/opt/perl5/lib/site_perl/5.8.2/aix-thread-multi /usr/opt/perl5/lib/site_perl/5.8.2 /usr/opt/perl5/lib/site_perl