cpan[1]> look XML::Parser
debian:~/.cpan/build/XML-Parser-2.41-eA1hds# export LDFLAGS="-R$ORIGIN/../lib"
debian:~/.cpan/build/XML-Parser-2.41-QQ3gvQ# export LD_LIBRARY_PATH=/root/perl5/lib
debian:~/.cpan/build/XML-Parser-2.41-eA1hds# perl Makefile.PL EXPATLIBPATH=/root/perl5/lib EXPATINCPATH=/root/perl5/include
Checking if your kit is complete...
Looks good
Writing Makefile for XML::Parser::Expat
Writing MYMETA.yml and MYMETA.json
Writing Makefile for XML::Parser
Writing MYMETA.yml and MYMETA.json
debian:~/.cpan/build/XML-Parser-2.41-QQ3gvQ# make && make install
debian:~/.cpan/build/XML-Parser-2.41-QQ3gvQ# readelf -d ./blib/arch/auto/XML/Parser/Expat/Expat.so | grep RPATH
 0x0000000f (RPATH)      Library rpath: [/root/perl5/lib]