This system uses HPUX 11.11 and the cc compiler also. I've been trying
to compile curl 7.15.5 (the latest released version). I don't have
access to CVS to try a later build.

Looking farther up the configure output I've got a bunch of these:

configure: WARNING: openssl/x509.h: present but cannot be compiled
configure: WARNING: openssl/x509.h: check for missing prerequisite
headers?
configure: WARNING: openssl/x509.h: see the Autoconf documentation
configure: WARNING: openssl/x509.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/x509.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/x509.h: in the future, the compiler will
take precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##
checking for openssl/x509.h... yes
checking openssl/rsa.h usability... no
checking openssl/rsa.h presence... yes
configure: WARNING: openssl/rsa.h: present but cannot be compiled
configure: WARNING: openssl/rsa.h: check for missing prerequisite
headers?
configure: WARNING: openssl/rsa.h: see the Autoconf documentation
configure: WARNING: openssl/rsa.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/rsa.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/rsa.h: in the future, the compiler will take
precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##
checking for openssl/rsa.h... yes
checking openssl/crypto.h usability... no
checking openssl/crypto.h presence... yes
configure: WARNING: openssl/crypto.h: present but cannot be compiled
configure: WARNING: openssl/crypto.h: check for missing prerequisite
headers?
configure: WARNING: openssl/crypto.h: see the Autoconf documentation
configure: WARNING: openssl/crypto.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/crypto.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/crypto.h: in the future, the compiler will
take precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##
checking for openssl/crypto.h... yes
checking openssl/pem.h usability... no
checking openssl/pem.h presence... yes
configure: WARNING: openssl/pem.h: present but cannot be compiled
configure: WARNING: openssl/pem.h: check for missing prerequisite
headers?
configure: WARNING: openssl/pem.h: see the Autoconf documentation
configure: WARNING: openssl/pem.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/pem.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/pem.h: in the future, the compiler will take
precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##
checking for openssl/pem.h... yes
checking openssl/ssl.h usability... no
checking openssl/ssl.h presence... yes
configure: WARNING: openssl/ssl.h: present but cannot be compiled
configure: WARNING: openssl/ssl.h: check for missing prerequisite
headers?
configure: WARNING: openssl/ssl.h: see the Autoconf documentation
configure: WARNING: openssl/ssl.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/ssl.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/ssl.h: in the future, the compiler will take
precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##
checking for openssl/ssl.h... yes
checking openssl/err.h usability... no
checking openssl/err.h presence... yes
configure: WARNING: openssl/err.h: present but cannot be compiled
configure: WARNING: openssl/err.h: check for missing prerequisite
headers?
configure: WARNING: openssl/err.h: see the Autoconf documentation
configure: WARNING: openssl/err.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/err.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/err.h: in the future, the compiler will take
precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##
checking for openssl/err.h... yes
checking openssl/pkcs12.h usability... no
checking openssl/pkcs12.h presence... yes
configure: WARNING: openssl/pkcs12.h: present but cannot be compiled
configure: WARNING: openssl/pkcs12.h: check for missing prerequisite
headers?
configure: WARNING: openssl/pkcs12.h: see the Autoconf documentation
configure: WARNING: openssl/pkcs12.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/pkcs12.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/pkcs12.h: in the future, the compiler will
take precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##
checking for openssl/pkcs12.h... yes
checking for ENGINE_init... yes
checking openssl/engine.h usability... no
checking openssl/engine.h presence... yes
configure: WARNING: openssl/engine.h: present but cannot be compiled
configure: WARNING: openssl/engine.h: check for missing prerequisite
headers?
configure: WARNING: openssl/engine.h: see the Autoconf documentation
configure: WARNING: openssl/engine.h: section "Present But Cannot Be
Compiled"
configure: WARNING: openssl/engine.h: proceeding with the preprocessor's
result
configure: WARNING: openssl/engine.h: in the future, the compiler will
take precedence
configure: WARNING: ##
------------------------------------------------------------------------
##
configure: WARNING: ## Report this to a suitable curl mailing list
=> http://curl.haxx.se/mail/ ##
configure: WARNING: ##
------------------------------------------------------------------------
##

Could this be related? When I looked this up in Autoconf it appears
these warnings occur when the pre-processor and compiler disagree. I
don't know if this is relevant or not.

Thanks.

--
Gary Blackburn
-----Original Message-----
From: curl-users-bounces_at_cool.haxx.se
[mailto:curl-users-bounces_at_cool.haxx.se] On Behalf Of Daniel Stenberg
Sent: Monday, September 04, 2006 4:51 AM
To: the curl tool
Subject: Re: Problem linking to recv on HP-UX
On Mon, 4 Sep 2006, Daniel Stenberg wrote:
>> I've verified that recv is installed, and configure can find it, too,
but 
>> for some reason it can't detect the arguments and return types.
>
> What compiler are you using?
I tried CVS HEAD this morning on a HPUX 11.11 using the native HP-UX cc 
compiler and it worked like a charm:
% ./src/curl -V
curl 7.15.6-CVS (hppa2.0w-hp-hpux11.11) libcurl/7.15.6-CVS
-- 
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