robemarq@nmsu.edu wrote:

>When I attempt to compile the a program using the -pg in order to get profile 
>information, I received the following error. 
> 
>gcc -pg -g -o performance performance.c  -I/usr/pkg/include/pgsql -pg -g  
>-I/usr/pkg/include/pgsql -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lpq 
>/usr/lib/libcrypto.so.1: undefined reference to `__setjmp14' 
>/usr/lib/libcrypto.so.1: undefined reference to `times' 
>/usr/lib/libcrypto.so.1: undefined reference to `SHA1Update' 
>/usr/lib/libcrypto.so.1: undefined reference to `__longjmp14' 
>/usr/lib/libcrypto.so.1: undefined reference to `SHA1Init' 
>/usr/lib/libcrypto.so.1: undefined reference to `setvbuf' 
>/usr/lib/libssl.so.2: undefined reference to `readdir' 
>/usr/lib/libcrypt.so.0: undefined reference to `MD5Final' 
>/usr/lib/libcrypto.so.1: undefined reference to `chmod' 
>/usr/lib/libresolv.so.1: undefined reference to `getnameinfo' 
>/usr/lib/libresolv.so.1: undefined reference to `vprintf' 
>/usr/lib/libssl.so.2: undefined reference to `opendir' 
>/usr/lib/libcrypto.so.1: undefined reference to `shutdown' 
>/usr/lib/libcrypt.so.0: undefined reference to `MD5Init' 
>/usr/lib/libcrypt.so.0: undefined reference to `MD5Update' 
>/usr/lib/libcrypto.so.1: undefined reference to `SHA1Final' 
>/usr/lib/libssl.so.2: undefined reference to `closedir' 
>/usr/lib/libcrypto.so.1: undefined reference to `tcsetattr' 
>/usr/lib/libcrypto.so.1: undefined reference to `__assert13' 
> 
>The question is do I need to link the program to a library in order to get it 
>to work. 
> 
>  
>
Maybe the libraries you want to link to need to be compiled with 
profiling information a well?

Just my guess... But ordinarily, -pg is sufficient.

Kind regards,
Benjamin