[Xorp-users] problems with openssl

Loreno Oliveira lorenooliveira at gmail.com
Mon Oct 16 14:45:33 PDT 2006

Hi there Bruno!

I had this same problem attempting to install XORP on an Ubuntu box. Well,
not so much to say about the cause of the problem, but I solve it by
downloading and compiling an up-to-date version of OpenSSL. Say you did the
same and OpenSSL was compiled into /usr/lib/OpenSSL. In this case it's
enough to try ./configure again, but now with the --with-openssl parameter.
The command line should be:

$ ./configure --with-openssl=/usr/lib/OpenSSL



On 10/16/06, Bruno Alexandre D. da Costa / Grad. DSC <becoxta at gmail.com>
> Hi all
> I'm trying to install XORP in a slackware but I get the follow message
> when run ./configure script
> ...
> checking for inttypes.h... no
> checking for stdint.h... no
> checking for unistd.h... no
> checking openssl/md5.h usability... no
> checking openssl/md5.h presence... yes
> configure: WARNING: openssl/md5.h: present but cannot be compiled
> configure: WARNING: openssl/md5.h: check for missing prerequisite headers?
> configure: WARNING: openssl/md5.h: proceeding with the preprocessor's
> result
> checking for openssl/md5.h... yes
> checking for MD5_Init in -lcrypto... no
> Could not find part of OpenSSL or one it's components in /usr
> Use --with-openssl=DIR to specify OpenSSL installation root.
> I guess openssl is installed because md5.h and libcrypto exists...
> Thanks
> Bruno Costa
> _______________________________________________
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> Xorp-users at xorp.org
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