gcc -c -g -Wall -ggdb  -o enzyme.o enzyme.c
enzyme.c: In function ‘sleeper_func’:
enzyme.c:127:9: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
  sleep( (int) p);
         ^
gcc -g -lpthread -o enzyme enzyme.o smp2_tests.o testrunner.o
/usr/bin/ld: enzyme.o: in function `run_enzyme':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/enzyme.c:29: undefined reference to `pthread_cancel'
/usr/bin/ld: enzyme.o: in function `make_enzyme_threads':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/enzyme.c:67: undefined reference to `pthread_create'
/usr/bin/ld: enzyme.o: in function `join_on_enzymes':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/enzyme.c:88: undefined reference to `pthread_join'
/usr/bin/ld: enzyme.o: in function `smp2_main':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/enzyme.c:153: undefined reference to `pthread_create'
/usr/bin/ld: smp2_tests.o: in function `test_make_enzyme_threads':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:91: undefined reference to `pthread_join'
/usr/bin/ld: smp2_tests.o: in function `test_swap_count_workperformed3':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:130: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:135: undefined reference to `pthread_join'
/usr/bin/ld: smp2_tests.o: in function `test_swap_count_workperformed1':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:148: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:153: undefined reference to `pthread_join'
/usr/bin/ld: smp2_tests.o: in function `test_swap_count_workperformed2':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:165: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:170: undefined reference to `pthread_join'
/usr/bin/ld: smp2_tests.o: in function `test_cancelenzyme':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:181: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:186: undefined reference to `pthread_join'
/usr/bin/ld: smp2_tests.o: in function `test_run_enzyme':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:201: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:202: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:203: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:212: undefined reference to `pthread_join'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:213: undefined reference to `pthread_join'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:214: undefined reference to `pthread_join'
/usr/bin/ld: smp2_tests.o: in function `test_join':
/home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:235: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:236: undefined reference to `pthread_create'
/usr/bin/ld: /home/cole/Documents/SFU/2019 - Fall/CMPT 300/Assignments/assign2/assign2/assign2_part1/smp2_tests.c:237: undefined reference to `pthread_create'
collect2: error: ld returned 1 exit status
make: *** [Makefile:8: enzyme] Error 1