Rob asked for the output of perl -v.

$ perl -v

This is perl 5, version 40, subversion 0 (v5.40.0) built for x86_64-cy
+gwin-threads-multi
(with 3 registered patches, see perl -V for more detail)
[download]

I am going to show output of perl -V also (which may be what Rob meant anyhow).

Summary of my perl5 (revision 5 version 40 subversion 0) configuration
+:
   
  Platform:
    osname=cygwin
    osvers=3.5.3-1.x86_64
    archname=x86_64-cygwin-threads-multi
    uname='cygwin_nt-10.0-22631 walter 3.5.3-1.x86_64 2024-04-03 17:25
+ utc x86_64 cygwin '
    config_args='-des -Dprefix=/usr -Dmksymlinks -Darchname=x86_64-cyg
+win-threads -Dlibperl=cygperl5_40.dll -Dcc=gcc -Dld=g++ -Accflags=-gg
+db -O2 -pipe -Wall -Werror=format-security -D_FORTIFY_SOURCE=3 -fstac
+k-protector-strong --param=ssp-buffer-size=4 -ffile-prefix-map=/mnt/s
+hare/cygpkgs/perl/perl.x86_64/build=/usr/src/debug/perl-5.40.0-1 -ffi
+le-prefix-map=/mnt/share/cygpkgs/perl/perl.x86_64/src/perl-5.40.0=/us
+r/src/debug/perl-5.40.0-1 -fwrapv'
    hint=recommended
    useposix=true
    d_sigaction=define
    useithreads=define
    usemultiplicity=define
    use64bitint=define
    use64bitall=define
    uselongdouble=undef
    usemymalloc=n
    default_inc_excludes_dot=define
  Compiler:
    cc='gcc'
    ccflags ='-U__STRICT_ANSI__ -D_GNU_SOURCE -ggdb -O2 -pipe -Wall -W
+error=format-security -D_FORTIFY_SOURCE=3 -fstack-protector-strong --
+param=ssp-buffer-size=4 -ffile-prefix-map=/mnt/share/cygpkgs/perl/per
+l.x86_64/build=/usr/src/debug/perl-5.40.0-1 -ffile-prefix-map=/mnt/sh
+are/cygpkgs/perl/perl.x86_64/src/perl-5.40.0=/usr/src/debug/perl-5.40
+.0-1 -fwrapv -fno-strict-aliasing'
    optimize='-O3'
    cppflags='-U__STRICT_ANSI__ -D_GNU_SOURCE -ggdb -O2 -pipe -Wall -W
+error=format-security -D_FORTIFY_SOURCE=3 -fstack-protector-strong --
+param=ssp-buffer-size=4 -ffile-prefix-map=/mnt/share/cygpkgs/perl/per
+l.x86_64/build=/usr/src/debug/perl-5.40.0-1 -ffile-prefix-map=/mnt/sh
+are/cygpkgs/perl/perl.x86_64/src/perl-5.40.0=/usr/src/debug/perl-5.40
+.0-1 -fwrapv -fno-strict-aliasing'
    ccversion=''
    gccversion='12.4.0'
    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='g++'
    ldflags =' -Wl,--enable-auto-import -Wl,--export-all-symbols -Wl,-
+-enable-auto-image-base -fstack-protector-strong'
    libpth=/usr/lib
    libs=-lpthread -lgdbm -ldb -ldl -lcrypt -lgdbm_compat
    perllibs=-lpthread -ldl -lcrypt
    libc=/usr/lib/libcygwin.a
    so=dll
    useshrplib=true
    libperl=cygperl5_40.dll
    gnulibc_version=''
  Dynamic Linking:
    dlsrc=dl_dlopen.xs
    dlext=dll
    d_dlsymun=undef
    ccdlflags=' '
    cccdlflags=' '
    lddlflags=' --shared  -Wl,--enable-auto-import -Wl,--export-all-sy
+mbols -Wl,--enable-auto-image-base -fstack-protector-strong'


Characteristics of this binary (from libperl): 
  Compile-time options:
    HAS_LONG_DOUBLE
    HAS_STRTOLD
    HAS_TIMES
    MULTIPLICITY
    PERLIO_LAYERS
    PERL_COPY_ON_WRITE
    PERL_DONT_CREATE_GVSV
    PERL_HASH_FUNC_SIPHASH13
    PERL_HASH_USE_SBOX32
    PERL_OP_PARENT
    PERL_PRESERVE_IVUV
    PERL_USE_SAFE_PUTENV
    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
  Locally applied patches:
    Cygwin: README
    Cygwin: modify hints
    Cygwin: Win32 correct UTF8 handling for tests
  Built under cygwin
  Compiled at Aug 17 2024 18:10:01
  %ENV:
    PERL5_CPANPLUS_HOME="C:/Users/somia/AppData/Local/.cpanp"
  @INC:
    /usr/local/lib/perl5/site_perl/5.40/x86_64-cygwin-threads
    /usr/local/share/perl5/site_perl/5.40
    /usr/lib/perl5/vendor_perl/5.40/x86_64-cygwin-threads
    /usr/share/perl5/vendor_perl/5.40
    /usr/lib/perl5/5.40/x86_64-cygwin-threads
    /usr/share/perl5/5.40
[download]

Thanks for your interest in my dilemma Rob. Cheers.

- Intrepid