[Xymon] Problems compiling ssl on RHEL7

Jairo Manso Melero jairo.manso at selae.es
Wed Oct 23 14:57:47 CEST 2019


I'm trying to update our xymon server to RHEL7 but I'm having problems to compile with SSL.


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
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.

Continuing with SSL support disabled.

# rpm -qa | grep openssl
openssl-devel-1.0.2k-16.el7.x86_64
xmlsec1-openssl-1.2.20-7.el7_4.x86_64
openssl-devel-1.0.2k-16.el7.i686
openssl-libs-1.0.2k-16.el7.i686
openssl-1.0.2k-16.el7.x86_64
openssl-libs-1.0.2k-16.el7.x86_64

Best regards.


Jairo Manso Melero
Analista de Sistemas
Tecnologías de la Información
Tel.:   +34 913 489 241
Fax:   +34 913 489 113
jairo.manso at selae.es<mailto:jairo.manso at selae.es>

SOCIEDAD ESTATAL LOTERÍAS Y APUESTAS DEL ESTADO, S.M.E, S.A.
Calle Manuel Tovar 13
28034 MADRID
[lae policromativo horizontal]



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