Summary of my perl5 (revision 5 version 10 subversion 0) configuration:
  Platform:
    osname=os2, osvers=2.45, archname=os2
    uname='os2 dev.smedley.inf 1 2.45 i386 i386 authenticamd os2  '
    config_args='-Dprefix=Q:/PROGRAMS/PERL'
    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=y, bincompat5005=undef
  Compiler:
    cc='gcc', ccflags ='-DDOSISH -DOS2=2 -DEMBED -I. -fno-strict-aliasing -pipe -I/usr/local/include',
    optimize='-O2 -fomit-frame-pointer -falign-loops=2 -falign-jumps=2 -falign-functions=2 -s',
    cppflags='-DDOSISH -DOS2=2 -DEMBED -I. -fno-strict-aliasing -pipe -I/usr/local/include'
    ccversion='', gccversion='3.3.5 (Bird Build 2007-06-10 14:30)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='gcc', ldflags ='-Zomf -Zhigh-mem -Zstack 32000 '
    libpth=/usr/lib /usr/lib/gcc-lib/i386-pc-os2-emx/3.3.5 /extras/lib /dev/qt/trunk/lib /openldap/lib /cups/lib Q:/os2tk45/lib  q:/usr/local/OPENSL/lib Q:/os2tk45/lib  q:/usr/local/OPENSSL/lib
    libs=-lsocket
    perllibs=-lsocket
    libc=/usr/lib/libc_dll.a, so=dll, useshrplib=true, libperl=libperl.a
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' '
    cccdlflags='-Zdll', lddlflags='-Zdll -Zomf '


Characteristics of this binary (from libperl): 
  Compile-time options: MYMALLOC PERL_DONT_CREATE_GVSV PERL_USES_PL_PIDSTATUS
                        USE_LARGE_FILES USE_PERLIO
  Built under os2
  Compiled at Dec 26 2007 13:37:17
  %ENV:
    PERLDIR="Q:\PROGRAMS\PERL"
    PERLLIB="Q:\PROGRAMS\PERL\lib"
    PERLLIB_PREFIX="u:/perl5/lib;Q:/PROGRAMS/PERL/lib"
    PERLLOC=" Q:\PROGRAMS\PERL"
    PERLLOC2="U:/PERL"
    PERL_SH_DIR="Q:/PROGRAMS/PERL/bin"
  @INC:
    Q:\PROGRAMS\PERL\lib
    /perl5/lib/5.10.0/os2
    /perl5/lib/5.10.0
    /perl5/lib/site_perl/5.10.0/os2
    /perl5/lib/site_perl/5.10.0
    .