Note (probably harmless): No library found for -lcrypto Checking if your kit is complete... Looks good Writing Makefile for Crypt::OpenSSL::Bignum cp Bignum.pm blib/lib/Crypt/OpenSSL/Bignum.pm cp Bignum/CTX.pm blib/lib/Crypt/OpenSSL/Bignum/CTX.pm /home/cpanrun/pa-risc1.1/build/5.6.1/bin/perl -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1 /home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/ExtUtils/typemap -typemap typemap Bignum.xs > Bignum.xsc && mv Bignum.xsc Bignum.c cc -c -D_POSIX_C_SOURCE=199506L -D_HPUX_SOURCE +DA1.1 +DS2.0a +z -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Ae -O +Onolimit -DVERSION=\"0.04\" -DXS_VERSION=\"0.04\" +z -I/home/cpanrun/pa-risc1.1/build/5.6.1/lib/5.6.1/PA-RISC1.1-thread-multi/CORE -DPERL5 -DOPENSSL_NO_KRB5 Bignum.c cpp: "Bignum.xs", line 5: error 4036: Can't open include file 'openssl/ssl.h'. cpp: "Bignum.xs", line 6: error 4036: Can't open include file 'openssl/bn.h'. make: *** [Bignum.o] Error 1