Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lcrypto
Writing Makefile for OpenCA::OpenSSL
cp OpenSSL/SMIME.pm blib/lib/OpenCA/OpenSSL/SMIME.pm
cp OpenSSL.pm blib/lib/OpenCA/OpenSSL.pm
AutoSplitting blib/lib/OpenCA/OpenSSL.pm (blib/lib/auto/OpenCA/OpenSSL)
cp OpenSSL.pod blib/lib/OpenCA/OpenSSL.pod
/home/cpanrun/pa-risc1.1/build/5.8.2/bin/perl /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/xsubpp  -typemap /home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/ExtUtils/typemap -typemap typemap  OpenSSL.xs > OpenSSL.xsc && mv OpenSSL.xsc OpenSSL.c
Please specify prototyping behavior for OpenSSL.xs (see perlxs manual)
cc -c  -I. -I/include -D_POSIX_C_SOURCE=199506L -D_REENTRANT -Ae -D_HPUX_SOURCE -Wl,+vnocompatwarnings -DNO_HASH_SEED -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fast +Onolimit +Opromote_indirect_calls +DAportable +DS2.0   -DVERSION=\"0.9.91\" -DXS_VERSION=\"0.9.91\" +Z "-I/home/cpanrun/pa-risc1.1/build/5.8.2/lib/5.8.2/PA-RISC1.1-thread-multi/CORE"   OpenSSL.c
cpp: "OpenSSL.xs", line 7: error 4036: Can't open include file 'openssl/x509.h'.
cpp: "OpenSSL.xs", line 8: error 4036: Can't open include file 'openssl/x509v3.h'.
make: *** [OpenSSL.o] Error 1