Summary of my perl5 (revision 5 version 24 subversion 0) configuration: Platform: osname=linux, osvers=4.14.40, archname=i686-linux uname='linux funtoo 4.14.40 #1 smp wed may 30 13:58:38 edt 2018 i686 intel(r) core(tm)2 duo cpu e4500 @ 2.20ghz genuineintel gnulinux ' config_args='-des -Dinstallprefix=/usr -Dinstallusrbinperl=n -Di_ndbm -Di_gdbm -Di_db -DDEBUGGING=none -Dnoextensions=ODBM_File -Duseshrplib -Darchname=i686-linux -Dcc=i686-pc-linux-gnu-gcc -Doptimize=-march=native -O2 -fomit-frame-pointer -pipe -Dldflags=-Wl,-O1 -Wl,--sort-common -Wl,--as-needed -Dprefix=/usr -Dsiteprefix=/usr/local -Dvendorprefix=/usr -Dscriptdir=/usr/bin -Dprivlib=/usr/lib/perl5/5.24.0 -Darchlib=/usr/lib/perl5/5.24.0/i686-linux -Dsitelib=/usr/local/lib/perl5/5.24.0 -Dsitearch=/usr/local/lib/perl5/5.24.0/i686-linux -Dvendorlib=/usr/lib/perl5/vendor_perl/5.24.0 -Dvendorarch=/usr/lib/perl5/vendor_perl/5.24.0/i686-linux -Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3 -Dsiteman1dir=/usr/local/man/man1 -Dsiteman3dir=/usr/local/man/man3 -Dvendorman1dir=/usr/share/man/man1 -Dvendorman3dir=/usr/share/man/man3 -Dman1ext=1 -Dman3ext=3pm -Dlibperl=libperl.so.5.24.0 -Dlocincpth=/usr/include -Dglibpth=/lib /usr/lib -Duselargefiles -Dd_semctl_semun -Dcf_by=Gentoo -Dmyhostname=localhost -Dperladmin=root@localhost -Ud_csh -Dsh=/bin/sh -Dtargetsh=/bin/sh -Uusenm -Di_ndbm -Di_gdbm -Di_db -DDEBUGGING=none -Dnoextensions=ODBM_File' hint=recommended, useposix=true, d_sigaction=define useithreads=undef, usemultiplicity=undef use64bitint=undef, use64bitall=undef, uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='i686-pc-linux-gnu-gcc', ccflags ='-fwrapv -fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64', optimize='-march=native -O2 -fomit-frame-pointer -pipe', cppflags='-fwrapv -fno-strict-aliasing -pipe' ccversion='', gccversion='7.3.1 20181104', gccosandvers='' intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234, doublekind=3 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12, longdblkind=3 ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8 alignbytes=4, prototype=define Linker and Libraries: ld='i686-pc-linux-gnu-gcc', ldflags ='-Wl,-O1 -Wl,--sort-common -Wl,--as-needed' libpth=/usr/lib/gcc/i686-pc-linux-gnu/7.3.1/include-fixed /usr/lib /lib libs=-lpthread -lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc libc=libc-2.26.so, so=so, useshrplib=true, libperl=libperl.so.5.24.0 gnulibc_version='2.26' Dynamic Linking: dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E' cccdlflags='-fPIC', lddlflags='-shared -march=native -O2 -fomit-frame-pointer -pipe -Wl,-O1 -Wl,--sort-common -Wl,--as-needed' Characteristics of this binary (from libperl): Compile-time options: HAS_TIMES PERLIO_LAYERS PERL_COPY_ON_WRITE PERL_DONT_CREATE_GVSV PERL_HASH_FUNC_ONE_AT_A_TIME_HARD PERL_MALLOC_WRAP PERL_PRESERVE_IVUV USE_LARGE_FILES USE_LOCALE USE_LOCALE_COLLATE USE_LOCALE_CTYPE USE_LOCALE_NUMERIC USE_LOCALE_TIME USE_PERLIO USE_PERL_ATOF Locally applied patches: gentoo/hints_hpux - Fix hpux hints gentoo/aix_soname - aix gcc detection and shared library soname support gentoo/EUMM-RUNPATH - https://bugs.gentoo.org/105054 cpan/ExtUtils-MakeMaker: drop $PORTAGE_TMPDIR from LD_RUN_PATH gentoo/config_over - Remove -rpath and append LDFLAGS to lddlflags gentoo/opensolaris_headers - [PATCH] Add headers for opensolaris gentoo/patchlevel - List packaged patches for perl-5.24.0-r4(#2) in patchlevel.h gentoo/cpanplus_definstalldirs - Configure CPANPLUS to use the site directories by default. gentoo/cleanup-paths - [PATCH] Cleanup PATH and shrpenv gentoo/enc2xs - Tweak enc2xs to follow symlinks and ignore missing @INC directories. gentoo/darwin-cc-ld - https://bugs.gentoo.org/297751 [PATCH] darwin: Use $CC to link gentoo/cpan_definstalldirs - Provide a sensible INSTALLDIRS default for modules installed from CPAN. gentoo/interix - [PATCH] Fix interix hints gentoo/create_libperl_soname - https://bugs.gentoo.org/286840 [PATCH] Set libperl soname gentoo/mod_paths - Add /etc/perl to @INC gentoo/EUMM_perllocalpod - gentoo/drop_fstack_protector - https://bugs.gentoo.org/348557 [PATCH] Don't force -fstack-protector on everyone gentoo/usr_local - gentoo/D-SHA-CFLAGS - https://bugs.gentoo.org/506818 [PATCH] [PATCH] Do not set custom CFLAGS in cpan/Digest-SHA gentoo/io_socket_ip_tests - gentoo/cygwin-libperl - [PATCH] Cygwin: avoid libperl.dll.dll.a gentoo/tests - Minimal changes to test framework so everything passes with Gentoo patchset debian/cpan-missing-site-dirs - Fix CPAN::FirstTime defaults with nonexisting site dirs if a parent is writable debian/makemaker-pasthru - Pass LD settings through to subdirectories fixes/memoize_storable_nstore - [rt.cpan.org #77790] Memoize::Storable: respect 'nstore' option not respected fixes/podman-pipe - Better errors for man pages from standard input fixes/respect_umask - Respect umask during installation fixes/net_smtp_docs - [rt.cpan.org #36038] Document the Net::SMTP 'Port' option fixes/document_makemaker_ccflags - [rt.cpan.org #68613] Document that CCFLAGS should include $Config{ccflags} Built under linux Compiled at Nov 28 2018 13:55:45 @INC: /etc/perl /usr/local/lib/perl5/5.24.0/i686-linux /usr/local/lib/perl5/5.24.0 /usr/lib/perl5/vendor_perl/5.24.0/i686-linux /usr/lib/perl5/vendor_perl/5.24.0 /usr/lib/perl5/5.24.0/i686-linux /usr/lib/perl5/5.24.0 .