[Xymon] Cannot link with SSL Library

[Scott Pfister]

Check out this old post.
http://lists.xymon.com/archive/2007-June/013621.html ...

It seems that your openssl libraries do not automatically pull in the
libdl library when you link with it.

As a workaround, you can change build/Makefile.test-ssl: The "test-link"
command reads
   @$(CC) $(CFLAGS) $(OSSLLIB) -o test-ssl test-ssl.o -lssl -lcrypto $(NETLIBS)
Add a "-ldl" after the "$(NETLIBS)".

That should allow the configure script to complete. After that, you must
change the top-level Makefile: It has a line with
   SSLLIBS = -L/usr/lib -lssl -lcrypto
Change that to
   SSLLIBS = -L/usr/lib -lssl -lcrypto -ldl


Regards,
Henrik



On Mon, Aug 10, 2015 at 12:10 PM, Robles, Chris <CROBLE at milwaukee.gov>
wrote:

> New installation of Xymon 4.3.21 on OpenSUSE 13.2.  Xymon won’t compile
> with SSL support even though I have OpenSSL and libopenssl-devel
> installed.  When I run “openssl version” it says OpenSSL 1.0.1k-fips.
>
> Here is what I see when I run ./configure:  (note: I also tried running
> configure.server with –sslinclude and –ssllib).   When I run “openssl
> verions –a” I don’t see gcc listed under compiler.  I see “-I. –I..
> –I../incluse –fPIC” etc.  I may have installed gcc after openssl, but gcc
> is installed.
>
>
>
> Checking for OpenSSL ...
>
> Compiling with SSL library works OK
>
> /usr/local/ssl/lib/libcrypto.a(dso_dlfcn.o): In function
> `dlfcn_globallookup':
>
> dso_dlfcn.c:(.text+0x11): undefined reference to `dlopen'
>
> dso_dlfcn.c:(.text+0x24): undefined reference to `dlsym'
>
> dso_dlfcn.c:(.text+0x2f): undefined reference to `dlclose'
>
> /usr/local/ssl/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_func':
>
> dso_dlfcn.c:(.text+0x344): undefined reference to `dlsym'
>
> dso_dlfcn.c:(.text+0x3eb): undefined reference to `dlerror'
>
> /usr/local/ssl/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_var':
>
> dso_dlfcn.c:(.text+0x464): undefined reference to `dlsym'
>
> dso_dlfcn.c:(.text+0x50b): undefined reference to `dlerror'
>
> /usr/local/ssl/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_load':
>
> dso_dlfcn.c:(.text+0x579): undefined reference to `dlopen'
>
> dso_dlfcn.c:(.text+0x5db): undefined reference to `dlclose'
>
> dso_dlfcn.c:(.text+0x613): undefined reference to `dlerror'
>
> /usr/local/ssl/lib/libcrypto.a(dso_dlfcn.o): In function
> `dlfcn_pathbyaddr':
>
> dso_dlfcn.c:(.text+0x69f): undefined reference to `dladdr'
>
> dso_dlfcn.c:(.text+0x701): undefined reference to `dlerror'
>
> /usr/local/ssl/lib/libcrypto.a(dso_dlfcn.o): In function `dlfcn_unload':
>
> dso_dlfcn.c:(.text+0x752): undefined reference to `dlclose'
>
> collect2: error: ld returned 1 exit status
>
> Makefile.test-ssl:7: recipe for target 'test-link' failed
>
> make: *** [test-link] Error 1
>
> Warning: Cannot link with SSL library
>
> OpenSSL include- or library-files not found.
>
> Although you can use Xymon without OpenSSL, you will not
>
> be able to run network tests of SSL-enabled services, e.g. https.
>
> So installing OpenSSL is recommended.
>
> OpenSSL can be found at http://www.openssl.org/
>
>
>
> If you have OpenSSL installed, use the "--sslinclude DIR" and "--ssllib
> DIR"
>
> options to configure to specify where they are.
>
>
>
> Chris Robles   |   *City of Milwaukee*   |  Information Technology &
> Management Division  | Ph: 414.286.8096  |   Chris.Robles at milwaukee.gov
>
>
>
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