prepare (1/3): 
finished

make (2/3): 
clang -std=gnu11 -O2 -Wall -Wextra -Werror -pedantic -Wno-unused-result -Wconversion -Wvla -o l5 *.c
clang -std=gnu11 -O2 -Wall -Wextra -Werror -pedantic -Wno-unused-result -Wconversion -Wvla -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fsanitize=integer -o l5_memory_check *.c
api_test.c:53:3: error: ISO C requires a translation unit to contain at least one declaration [-Werror,-Wempty-translation-unit]
*/
  ^
1 error generated.
api_test.c:53:3: error: ISO C requires a translation unit to contain at least one declaration [-Werror,-Wempty-translation-unit]
*/
  ^
1 error generated.
Makefile:13: recipe for target 'l5' failed
make: *** [l5] Error 1
make: *** Waiting for unfinished jobs....
Makefile:16: recipe for target 'l5_memory_check' failed
make: *** [l5_memory_check] Error 1

build failed