Summary of my perl5 (revision 5 version 30 subversion 3) configuration:
   
  Platform:
    osname=linux
    osvers=5.6.10-947.native
    archname=x86_64-linux-thread-multi
    uname='linux 9fd3f91c93fa48a5a538a62bf194212b 5.6.10-947.native #1 smp sat may 2 11:03:57 pdt 2020 x86_64 gnulinux '
    config_args='--build=x86_64-generic-linux-gnu --host=x86_64-generic-linux-gnu --target=x86_64-clr-linux-gnu --program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/bin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --disable-static -d -e -r -Dprefix=/usr -Dsiteprefix=/usr/local -Dvendorprefix=/usr -Dinstallman1dir=/usr/share/man/man1 -Dinstallman3dir=/usr/share/man/man3 -Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3 -Dusethreads -Duseshrplib -Adefine:d_procselfexe -Adefine:procselfexe="/proc/self/exe" -Adefine:optimize=-O3 -ffunction-sections -fno-semantic-interposition -fopt-info-vec -ffat-lto-objects -flto=4 -fprofile-dir=/var/tmp/pgo  -Aappend:optimize=-fprofile-use -fprofile-correction -Adefine:ccflags=-O2 -g -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -Wformat -Wformat-security -Wl,-z,now,-z,relro,-z,max-page-size=0x1000,-z,separate-code -Wno-error -ftree-vectorize -ftree-slp-vectorize -Wl,--enable-new-dtags -fcf-protection=return -Wl,--build-id=sha1 -Wa,-mbranches-within-32B-boundaries -m64 -march=westmere -mtune=haswell -fasynchronous-unwind-tables -fno-omit-frame-pointer -Wp,-D_REENTRANT -O3 -ffat-lto-objects -flto=4  -fprofile-use -fprofile-dir=/var/tmp/pgo -fprofile-correction  -fPIC -Adefine:ldflags= -fprofile-use -fprofile-dir=/var/tmp/pgo -fprofile-correction  -Wl,--build-id=sha1 -Adefine:lddflags= -fprofile-use -fprofile-dir=/var/tmp/pgo -fprofile-correction  -Wl,--build-id=sha1 -U d_off64_t -Dinc_version_list=5.30.2/x86_64-linux-thread-multi 5.30.2'
    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='cc'
    ccflags ='-D_REENTRANT -D_GNU_SOURCE -O2 -g -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -Wformat -Wformat-security -Wl,-z,now,-z,relro,-z,max-page-size=0x1000,-z,separate-code -Wno-error -ftree-vectorize -ftree-slp-vectorize -Wl,--enable-new-dtags -fcf-protection=return -Wl,--build-id=sha1 -Wa,-mbranches-within-32B-boundaries -m64 -march=westmere -mtune=haswell -fasynchronous-unwind-tables -fno-omit-frame-pointer -Wp,-D_REENTRANT -O3 -ffat-lto-objects -flto=4 -fprofile-use -fprofile-dir=/var/tmp/pgo -fprofile-correction -fPIC -fwrapv -fno-strict-aliasing -fstack-protector-strong -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64'
    optimize='-O3 -ffunction-sections -fno-semantic-interposition -fopt-info-vec -ffat-lto-objects -flto=4 -fprofile-dir=/var/tmp/pgo -fprofile-use -fprofile-correction'
    cppflags='-D_REENTRANT -D_GNU_SOURCE -O2 -g -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -Wformat -Wformat-security -Wl,-z,now,-z,relro,-z,max-page-size=0x1000,-z,separate-code -Wno-error -ftree-vectorize -ftree-slp-vectorize -Wl,--enable-new-dtags -fcf-protection=return -Wl,--build-id=sha1 -Wa,-mbranches-within-32B-boundaries -m64 -march=westmere -mtune=haswell -fasynchronous-unwind-tables -fno-omit-frame-pointer -Wp,-D_REENTRANT -O3 -ffat-lto-objects -flto=4 -fprofile-use -fprofile-dir=/var/tmp/pgo -fprofile-correction -fPIC -fwrapv -fno-strict-aliasing -fstack-protector-strong'
    ccversion=''
    gccversion='10.1.1 20200604 releases/gcc-10.1.0-120-g5006eb931b'
    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='cc'
    ldflags =' -fprofile-use -fprofile-dir=/var/tmp/pgo -fprofile-correction -Wl,--build-id=sha1 -fstack-protector-strong'
    libpth=/usr/lib64/gcc/x86_64-generic-linux/10/include-fixed /usr/lib /lib/../lib64 /usr/lib/../lib64 /lib /lib64 /usr/lib64
    libs=-lpthread -lnsl -lgdbm -ldl -lm -lcrypt -lutil -lc
    perllibs=-lpthread -lnsl -ldl -lm -lcrypt -lutil -lc
    libc=libc-2.31.so
    so=so
    useshrplib=true
    libperl=libperl.so
    gnulibc_version='2.31'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs
    dlext=so
    d_dlsymun=undef
    ccdlflags='-Wl,-E -Wl,-rpath,/usr/lib/perl5/5.30.3/x86_64-linux-thread-multi/CORE'
    cccdlflags='-fPIC'
    lddlflags='-shared -O3 -ffunction-sections -fno-semantic-interposition -fopt-info-vec -ffat-lto-objects -flto=4 -fprofile-dir=/var/tmp/pgo -fprofile-use -fprofile-correction -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_THREAD_SAFE_LOCALE
  Built under linux
  Compiled at Jun  5 2020 16:45:09
  @INC:
    /usr/local/lib/perl5/site_perl/5.30.3/x86_64-linux-thread-multi
    /usr/local/lib/perl5/site_perl/5.30.3
    /usr/lib/perl5/vendor_perl/5.30.3/x86_64-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.30.3
    /usr/lib/perl5/5.30.3/x86_64-linux-thread-multi
    /usr/lib/perl5/5.30.3
    /usr/local/lib/perl5/site_perl/5.30.2/x86_64-linux-thread-multi
    /usr/local/lib/perl5/site_perl/5.30.2
    /usr/local/lib/perl5/site_perl
    /usr/lib/perl5/vendor_perl/5.30.2/x86_64-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.30.2
    /usr/lib/perl5/vendor_perl