I received the following mail and I've got Chris permission to post it here.
I'm afraid my HP experience is very limited why I can't do much good to
help...

-- 
      Daniel Stenberg - http://daniel.haxx.se - +46-705-44 31 77
   ech`echo xiun|tr nu oc|sed 'sx\([sx]\)\([xoi]\)xo un\2\1 is xg'`ol
---------- Forwarded message ----------
Date: Fri, 1 Sep 2000 11:33:16 -0700
From: Chris.Buckley_at_sce.com
To: daniel_at_haxx.se
Subject: Need help making on HP-UX 10.20
Any ideas?  Thanks in advance for any suggestions.
Making all in src
        cc -DHAVE_CONFIG_H -I. -I. -I.. -I. -I../include
-I/opt/openssl/include/ -Ae  -I/opt/openssl/include/ -Ae -c main.c
        rm -f hugehelp.c
        /usr/bin/nroff -man ../docs/curl.1 | /usr/bin/perl ../src/mkhelp.pl
../docs/README.curl > hugehelp.c
        cc -DHAVE_CONFIG_H -I. -I. -I.. -I. -I../include
-I/opt/openssl/include/ -Ae  -I/opt/openssl/include/ -Ae -c hugehelp.c
        cc -DHAVE_CONFIG_H -I. -I. -I.. -I. -I../include
-I/opt/openssl/include/ -Ae  -I/opt/openssl/include/ -Ae -c urlglob.c
        /bin/sh ../libtool --mode=link cc  -I/opt/openssl/include/ -Ae
-L/opt/openssl/lib -o curl  main.o hugehelp.o urlglob.o ../lib/libcurl.la
-lssl -lcrypto
mkdir .libs
libtool: link: warning: this platform does not like uninstalled shared
libraries
libtool: link: `curl' will be relinked during installation
cc -I/opt/openssl/include/ -Ae -L/opt/openssl/lib -o .libs/curl main.o
hugehelp.o urlglob.o
/usr/hal7/cdas/src/com/curl/curl-7.2/lib/.libs/libcurl.sl -lssl -lcrypto
-lssl -lcrypto -Wl,+b
-Wl,/usr/hal7/cdas/src/com/curl/curl-7.2/lib/.libs:/opt/lib
/usr/ccs/bin/ld: (Warning) At least one PA 2.0 object file (main.o) was
detected. The linked output may not run on a PA 1.x system.
/usr/ccs/bin/ld: Unsatisfied symbols:
   __umoddi3 (code)
   __udivdi3 (code)
*** Error exit code 1
Stop.
*** Error exit code 1
Stop.
*** Error exit code 1
Stop.