Hmmm... 2.4 runs clean, but it did take some time to come up with a Perl environment that didn't barf... Mostly, I had to use a really old Perl. Here it is:
/opt/perl5/bin/perl -V Summary of my perl5 (revision 5 version 20 subversion 3) configuration: Platform: osname=darwin, osvers=16.6.0, archname=darwin-2level-multi uname='darwin jimsys.local 16.6.0 darwin kernel version 16.6.0: fri apr 14 16:21:16 pdt 2017; root:xnu-3789.60.24~6release_x86_64 x86_64 ' config_args='-des -Dprefix=/opt/perl5 config.sh' hint=previous, useposix=true, d_sigaction=define useithreads=undef, usemultiplicity=define use64bitint=define, use64bitall=define, uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='cc', ccflags ='-fno-common -DPERL_DARWIN -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -I/opt/local/include', optimize='-O3', cppflags='-fno-common -DPERL_DARWIN -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -I/opt/local/include -fno-common -DPERL_DARWIN -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -I/opt/local/include' ccversion='', gccversion='4.2.1 Compatible Apple LLVM 8.1.0 (clang-802.0.42)', gccosandvers='' intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678 d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16 ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8 alignbytes=8, prototype=define Linker and Libraries: ld='cc', ldflags =' -fstack-protector -L/usr/local/lib -L/opt/local/lib' libpth=/usr/local/lib /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.1.0/lib /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib /usr/lib /opt/local/lib /usr/local/lib /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.1.0/lib /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib /usr/lib libs=-lpthread -lgdbm -ldbm -ldl -lm -lutil -lc perllibs=-lpthread -ldl -lm -lutil -lc libc=, so=dylib, useshrplib=false, libperl=libperl.a gnulibc_version='' Dynamic Linking: dlsrc=dl_dlopen.xs, dlext=bundle, d_dlsymun=undef, ccdlflags=' ' cccdlflags=' ', lddlflags=' -bundle -undefined dynamic_lookup -L/usr/local/lib -L/opt/local/lib -fstack-protector' Characteristics of this binary (from libperl): Compile-time options: HAS_TIMES MULTIPLICITY PERLIO_LAYERS PERL_DONT_CREATE_GVSV PERL_HASH_FUNC_ONE_AT_A_TIME_HARD PERL_IMPLICIT_CONTEXT PERL_MALLOC_WRAP PERL_NEW_COPY_ON_WRITE PERL_PRESERVE_IVUV USE_64_BIT_ALL USE_64_BIT_INT USE_LARGE_FILES USE_LOCALE USE_LOCALE_COLLATE USE_LOCALE_CTYPE USE_LOCALE_NUMERIC USE_PERLIO USE_PERL_ATOF Built under darwin Compiled at Jul 6 2017 13:25:29 %ENV: PERL5LIB="/Users/jim/perl5/lib/perl5" PERL_LOCAL_LIB_ROOT="/Users/jim/perl5" PERL_MB_OPT="--install_base "/Users/jim/perl5"" PERL_MM_OPT="INSTALL_BASE=/Users/jim/perl5" @INC: /Users/jim/perl5/lib/perl5/darwin-2level-multi /Users/jim/perl5/lib/perl5 /opt/perl5/lib/site_perl/5.20.3/darwin-2level /opt/perl5/lib/site_perl/5.20.3 /opt/perl5/lib/5.20.3/darwin-2level /opt/perl5/lib/5.20.3 .