Summary of my perl5 (revision 5 version 28 subversion 2) configuration:
   
  Platform:
    osname=linux
    osvers=4.20.13-200.fc29.x86_64
    archname=x86_64-linux-thread-multi
    uname='linux buildhw-06.phx2.fedoraproject.org 4.20.13-200.fc29.x86_64 #1 smp wed feb 27 19:42:55 utc 2019 x86_64 x86_64 x86_64 gnulinux '
    config_args='-des -Doptimize=none -Dccflags=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -Dldflags=-Wl,-z,relro   -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Dccdlflags=-Wl,--enable-new-dtags -Wl,-z,relro   -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Dlddlflags=-shared -Wl,-z,relro   -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Dshrpdir=/usr/lib64 -DDEBUGGING=-g -Dversion=5.28.2 -Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_by=Red Hat, Inc. -Dprefix=/usr -Dvendorprefix=/usr -Dsiteprefix=/usr/local -Dsitelib=/usr/local/share/perl5 -Dsitearch=/usr/local/lib64/perl5 -Dprivlib=/usr/share/perl5 -Dvendorlib=/usr/share/perl5/vendor_perl -Darchlib=/usr/lib64/perl5 -Dvendorarch=/usr/lib64/perl5/vendor_perl -Darchname=x86_64-linux-thread-multi -Dlibpth=/usr/local/lib64 /lib64 /usr/lib64 -Duseshrplib -Dusethreads -Duseithreads -Dusedtrace=/usr/bin/dtrace -Duselargefiles -Dd_semctl_semun -Di_db -Ui_ndbm -Di_gdbm -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio -Dinstallusrbinperl=n -Ubincompat5005 -Uversiononly -Dpager=/usr/bin/less -isr -Dd_gethostent_r_proto -Ud_endhostent_r_proto -Ud_sethostent_r_proto -Ud_endprotoent_r_proto -Ud_setprotoent_r_proto -Ud_endservent_r_proto -Ud_setservent_r_proto -Dscriptdir=/usr/bin -Dusesitecustomize -Duse64bitint'
    hint=recommended
    useposix=true
    d_sigaction=define
    useithreads=define
    usemultiplicity=define
    use64bitint=define
    use64bitall=define
    uselongdouble=undef
    usemymalloc=n
    default_inc_excludes_dot=define
    bincompat5005=undef
  Compiler:
    cc='gcc'
    ccflags ='-D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -fno-strict-aliasing -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64'
    optimize='  -g'
    cppflags='-D_REENTRANT -D_GNU_SOURCE -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fwrapv -fno-strict-aliasing -I/usr/local/include'
    ccversion=''
    gccversion='8.3.1 20190223 (Red Hat 8.3.1-2)'
    gccosandvers=''
    intsize=4
    longsize=8
    ptrsize=8
    doublesize=8
    byteorder=12345678
    doublekind=3
    d_longlong=define
    longlongsize=8
    d_longdbl=define
    longdblsize=16
    longdblkind=3
    ivtype='long'
    ivsize=8
    nvtype='double'
    nvsize=8
    Off_t='off_t'
    lseeksize=8
    alignbytes=8
    prototype=define
  Linker and Libraries:
    ld='gcc'
    ldflags ='-Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -fstack-protector-strong -L/usr/local/lib'
    libpth=/usr/local/lib64 /lib64 /usr/lib64 /usr/local/lib /usr/lib /lib/../lib64 /usr/lib/../lib64 /lib
    libs=-lpthread -lresolv -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
    perllibs=-lpthread -lresolv -ldl -lm -lcrypt -lutil -lc
    libc=libc-2.28.so
    so=so
    useshrplib=true
    libperl=libperl.so
    gnulibc_version='2.28'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs
    dlext=so
    d_dlsymun=undef
    ccdlflags='-Wl,--enable-new-dtags -Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld'
    cccdlflags='-fPIC'
    lddlflags='-lpthread -shared -Wl,-z,relro -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -L/usr/local/lib -fstack-protector-strong'


Characteristics of this binary (from libperl): 
  Compile-time options:
    HAS_TIMES
    MULTIPLICITY
    PERLIO_LAYERS
    PERL_COPY_ON_WRITE
    PERL_DONT_CREATE_GVSV
    PERL_IMPLICIT_CONTEXT
    PERL_MALLOC_WRAP
    PERL_OP_PARENT
    PERL_PRESERVE_IVUV
    USE_64_BIT_ALL
    USE_64_BIT_INT
    USE_ITHREADS
    USE_LARGE_FILES
    USE_LOCALE
    USE_LOCALE_COLLATE
    USE_LOCALE_CTYPE
    USE_LOCALE_NUMERIC
    USE_LOCALE_TIME
    USE_PERLIO
    USE_PERL_ATOF
    USE_REENTRANT_API
    USE_SITECUSTOMIZE
  Locally applied patches:
    Fedora Patch1: Removes date check, Fedora/RHEL specific
    Fedora Patch2: support for libdir64
    Fedora Patch3: use libresolv instead of libbind
    Fedora Patch4: USE_MM_LD_RUN_PATH
    Fedora Patch5: Provide MM::maybe_command independently (bug #1129443)
    Fedora Patch6: Dont run one io test due to random builder failures
    Fedora Patch8: Define SONAME for libperl.so
    Fedora Patch9: Install libperl.so to -Dshrpdir value
    Fedora Patch10: Document Math::BigInt::CalcEmu requires Math::BigInt (CPAN RT#85015)
    Fedora Patch11: Make *DBM_File desctructors thread-safe (RT#61912)
    Fedora Patch12: Replace EU::MakeMaker dependency with EU::MM::Utils in IPC::Cmd (bug #1129443)
    Fedora Patch13: Fix executing arybase::_tie_it() in Safe compartement (RT#131588)
    Fedora Patch14: Link XS modules to pthread library to fix linking with -z defs
    Fedora Patch17: Fix printing a warning about a wide character when matching a regular expression while ISO-8859-1 locale is in effect
    Fedora Patch18: Fix invoking a check for wide characters while ISO-8859-1 locale is in effect
    Fedora Patch20: Fix build conditions in locale.c
    Fedora Patch21: Fix a file descriptor leak in in-place edits (RT#133314)
    Fedora Patch23: Fix a buffer overrun in deprecated S_is_utf8_common()
    Fedora Patch24: Fix a time race in Time-HiRes/t/itimer.t test
    Fedora Patch26: Fix Time::Piece to handle objects in overloaded methods correctly
    Fedora Patch27: Fix an assignment to a lexical variable in multiconcatenation expressions (RT#133441)
    Fedora Patch28: Fix a spurious warning about uninitialized value in warn (RT#132683)
    Fedora Patch30: Pass the correct CFLAGS to dtrace
    Fedora Patch33: Fix PathTools tests to cope with ESTALE error (RT#133534)
    Fedora Patch34: Fix an undefined behaviour in S_hv_delete_common()
    Fedora Patch38: Fix compiling regular expressions that contain both compile- and run-time compiled code blocks (RT#133687)
    Fedora Patch39: Adjust tests to gdbm-1.15 (RT#133295)
    Fedora Patch44: Fix reporting a line number for non-terminated prototypes (RT#133524)
    Fedora Patch45: Fix first eof() return value (RT#133721)
    Fedora Patch49: Prevent long jumps from clobbering local variables (RT#133575)
    Fedora Patch50: Fix a mismatch with a case-insesitive regular expression on a text with ligatures (RT#133756)
    Fedora Patch53: Fix setting magic when changing $^R (RT#133782)
    Fedora Patch54: Fix a race when loading XS modules
    Fedora Patch56: Fix a leak when compiling a typed hash dereference
    Fedora Patch58: Fix a buffer overread when handling a scope error in qr/\(?{/ (RT#133879)
    Fedora Patch59: Fix a buffer overread when parsing a regular expression with an unknown character name (RT#133880)
    Fedora Patch60: Fix mbstate_t initialization in POSIX::mblen (RT#133928)
    Fedora Patch61: Fix a memory leak when cloning a regular expression
    Fedora Patch62: Fix a memory leak when spawning threads in a BEGIN phase
    Fedora Patch63: Fix a memory leak when assigning a regular expression to a non-copy-on-write string
    Fedora Patch64: Fix a memory leak when assignig to a localized ${^WARNING_BITS}
    Fedora Patch65: Fix a memory leak when parsing misindented here-documents
    Fedora Patch66: Fix a memory leak in package name lookup (RT#133977)
    Fedora Patch68: Fix a memory leak when deletion in a tied hash dies
    Fedora Patch69: Fix a crash when matching case insensitively (RT#133892)
    Fedora Patch70: Fix a memory leak when warning about malformed UTF-8 string
    Fedora Patch200: Link XS modules to libperl.so with EU::CBuilder on Linux
    Fedora Patch201: Link XS modules to libperl.so with EU::MM on Linux
  Built under linux
  Compiled at Apr 23 2019 08:44:49
  %ENV:
    PERL5LIB="/home/john/perl5/lib/perl5:/home/john/perl5/lib/perl5"
    PERL_LOCAL_LIB_ROOT="/home/john/perl5:/home/john/perl5"
    PERL_MB_OPT="--install_base "/home/john/perl5""
    PERL_MM_OPT="INSTALL_BASE=/home/john/perl5"
  @INC:
    /home/john/perl5/lib/perl5/x86_64-linux-thread-multi
    /home/john/perl5/lib/perl5
    /home/john/perl5/lib/perl5/x86_64-linux-thread-multi
    /home/john/perl5/lib/perl5
    /usr/local/lib64/perl5
    /usr/local/share/perl5
    /usr/lib64/perl5/vendor_perl
    /usr/share/perl5/vendor_perl
    /usr/lib64/perl5
    /usr/share/perl5