libcurl在64位centos下访问https错误

Question

c程序，用libcurl访问一个https rest url, 同样的程序在32位centos测试没问题，但在64位centos下出错：
gdb：
2296 CURLcode cr = curl_easy_perform(curl);
(gdb) n
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff37921c0 in pthread_mutex_lock () from /lib64/libpthread.so.0

大家给点思路吧

Answer 1

Considering 64-bit compilation issues, do you need the following similar definitions when compiling class libraries
-D UNIX64