[gary@TehachapiMtn Util]$ perl -V Summary of my perl5 (revision 5 version 36 subversion 0) configuration: Platform: osname=linux osvers=5.12.15-arch1-1 archname=x86_64-linux-thread-multi uname='archlinux' config_args='-des -Dusethreads -Duseshrplib -Doptimize=-march=x86-64 -mtune=generic -O2 -pipe -fno-plt -fexceptions -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security -fstack-clash-protection -fcf-protection -flto -Dprefix=/usr -Dvendorprefix=/usr -Dprivlib=/usr/share/perl5/core_perl -Darchlib=/usr/lib/perl5/5.36/core_perl -Dsitelib=/usr/share/perl5/site_perl -Dsitearch=/usr/lib/perl5/5.36/site_perl -Dvendorlib=/usr/share/perl5/vendor_perl -Dvendorarch=/usr/lib/perl5/5.36/vendor_perl -Dscriptdir=/usr/bin/core_perl -Dsitescript=/usr/bin/site_perl -Dvendorscript=/usr/bin/vendor_perl -Dinc_version_list=none -Dman1ext=1perl -Dman3ext=3perl -Dcccdlflags='-fPIC' -Dlddlflags=-shared -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -flto -Dldflags=-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -flto' 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='cc' ccflags ='-D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64' optimize='-march=x86-64 -mtune=generic -O2 -pipe -fno-plt -fexceptions -Wp,-D_FORTIFY_SOURCE=2 -Wformat -Werror=format-security -fstack-clash-protection -fcf-protection -flto' cppflags='-D_REENTRANT -D_GNU_SOURCE -fwrapv -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include' ccversion='' gccversion='12.1.0' 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='cc' ldflags ='-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -flto -fstack-protector-strong -L/usr/local/lib' libpth=/usr/local/lib /usr/lib libs=-lpthread -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat perllibs=-lpthread -ldl -lm -lcrypt -lutil -lc libc=/lib/../lib/libc.so.6 so=so useshrplib=true libperl=libperl.so gnulibc_version='2.35' Dynamic Linking: dlsrc=dl_dlopen.xs dlext=so d_dlsymun=undef ccdlflags='-Wl,-E -Wl,-rpath,/usr/lib/perl5/5.36/core_perl/CORE' cccdlflags='-fPIC' lddlflags='-shared -Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now -flto -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_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 May 29 2022 08:49:34 %ENV: PERL5LIB="/home/gary/perl5/lib/perl5" PERL_LOCAL_LIB_ROOT="/home/gary/perl5" PERL_MB_OPT="--install_base "/home/gary/perl5"" PERL_MM_OPT="INSTALL_BASE=/home/gary/perl5" @INC: /home/gary/perl5/lib/perl5/x86_64-linux-thread-multi /home/gary/perl5/lib/perl5 /usr/lib/perl5/5.36/site_perl /usr/share/perl5/site_perl /usr/lib/perl5/5.36/vendor_perl /usr/share/perl5/vendor_perl /usr/lib/perl5/5.36/core_perl /usr/share/perl5/core_perl [gary@TehachapiMtn Util]$