Errors when trying to use secp256k1 on Mac. 'clang: error: linker command failed with exit code 1 (use -v to see invocation)'

Question

I'm starting learning C, but I seem to have failed in installing my first library. I'm using a Mac.

I found a simple tutorial to get started: writing a program to generate cryptographic keys.

It uses the secp256k1 library.

I installed the library and copied the first couple of lines from the tutorial.

#include <secp256k1.h>
static secp256k1_context *ctx = NULL;
ctx = secp256k1_context_create(
            SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);;

But when I make my C program, I get this error:

cc     keyGen.c   -o keyGen
Undefined symbols for architecture x86_64:
  "_secp256k1_context_create", referenced from:
      _main in keyGen-50d772.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [keyGen] Error 1

Here's a breakdown of how I installed secp256k1.

$ ./autogen.sh
$ ./configure
$ make
$ make check
$ sudo make install

I get no errors with this. Only when I make the program.

I've found a threads with the same error, but I still can't seem to get it working. Perhaps it's different for Mac (they use Linux), but more likely it's because I haven't understood what it means. They speak very generally, I'm not sure I'm inputting the specific commands correctly.

The question I linked suggested to run ./configure --enable-module-recovery. I have also trying to install it using this, but it didn't work either.

The question then goes on to talk about defining paths and modifying CFLAGS and LDFLAGS, however, this for another program cgo. I can't work out what I need to modify, as this my own program it won't work in.

If anyone could give me some suggestions what I need to do that would be great.