Can't compile in Linux with curl - undefined reference
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Answer just to close this ask.
For resumate, you had to place the -lcurl option at the end of your compilation command line.
Author by
Dhiogo Brustolin
Updated on June 08, 2022Comments
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Dhiogo Brustolin almost 2 years
I'm trying to compile a c++ sample in Linux(ubuntu) using curl lib but I'm getting undefined reference to 'curl_easy_init'
Compile command:
gcc -L/usr/local/lib -lcurl -I/usr/local/include -o request request.cpp
result:
/tmp/ccZwDiCf.o: In function 'main':<br> request.cpp:(.text+0xa): undefined reference to 'curl_easy_init'<br> request.cpp:(.text+0x31): undefined reference to 'curl_easy_setopt'<br> request.cpp:(.text+0x3d): undefined reference to 'curl_easy_perform'<br> request.cpp:(.text+0x54): undefined reference to 'curl_easy_strerror'<br> request.cpp:(.text+0x7b): undefined reference to 'curl_easy_cleanup'<br> collect2: ld returned 1 exit status
Code:
#include <curl/curl.h> #include <stdio.h> int main(int argc, char* argv[]){ CURL *curl; CURLcode res; curl = curl_easy_init(); if(curl) { curl_easy_setopt(curl, CURLOPT_URL, "http://google.com"); res = curl_easy_perform(curl); if(res!=CURLE_OK) fprintf(stderr, "curl_easy_perform() failed: %s\n",curl_easy_strerror(res)); curl_easy_cleanup(curl); } return 0; }