Problem developing Asterisk module with libcurl


I’ve created an Asterisk module following this tutorial–> Russel Bryant blog: How to write an asterisk module
Following this part and parts 2 and 3 I have developed an asterisk module with a CLI command.

Now I want to use another c code in the module. This code uses libcurl.
What I’ve done is:
In my module res_module.c I include the header for the other code.

#include "othercode.h"
I put all the files in the same folder and compiling with:

gcc -o res_module.o -c res_module.c -MD -MT res_module.o -MF .res_module.o.d -MP -pthread -I/home/myuser/asterisk/asterisk-   -I/usr/include/libxml2 -pipe -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -g3 -march=i686  -O6  -fPIC -DAST_MODULE=\"res_module\" 

gcc -o othercode.o -c othercode.c -lcurl -lcrypto -lssl -ld

gcc  -o -pthread  -shared  res_module.o other.o -lcurl

install -m 755 /usr/lib/asterisk/modules

The problems are:
If I don’t include the option -lcurl in the 3rd gcc command I can not load the module because of an error: undefined symbol: curl_easy_perform
If I include the option -lcurl asterisk crashes and exits when I try to load the module.

Any help?

Thanks in advance.

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