libESMTP compiled without openssl support, disabling it in Net::ESMTP at Makefile.PL line 20.
Checking if your kit is complete...
Looks good
Writing Makefile for Net::ESMTP
cp ESMTP.pm blib/lib/Net/ESMTP.pm
AutoSplitting blib/lib/Net/ESMTP.pm (blib/lib/auto/Net/ESMTP)
cp ESMTP.pod blib/lib/Net/ESMTP.pod
/home/cpanrun/parisc2.0-lp64/build/5.8.2/bin/perl /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp  -typemap /home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/ExtUtils/typemap -typemap typemap  ESMTP.xs > ESMTP.xsc && mv ESMTP.xsc ESMTP.c
cc -c   -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings +DD64 -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls   -DVERSION=\"0.2.1\" -DXS_VERSION=\"0.2.1\" +Z "-I/home/cpanrun/parisc2.0-lp64/build/5.8.2/lib/5.8.2/PA-RISC2.0-thread-multi-LP64/CORE"  -DUSE_SMTPAUTH ESMTP.c
cpp: "ESMTP.xs", line 9: error 4036: Can't open include file 'auth-client.h'.
cpp: "ESMTP.xs", line 11: error 4036: Can't open include file 'libesmtp.h'.
make: *** [ESMTP.o] Error 1