prepare (1/3): 
finished

make (2/3): 
make: Entering directory '/out/build/driver'
clang -std=gnu11 -O2 -o driver driver.c
driver successfully constructed
make: Leaving directory '/out/build/driver'
make: Entering directory '/out/build/mumsh'
clang -std=gnu11 -O2 -Wall  -o mumsh main.c
main.c:47:17: warning: implicit declaration of function 'waitpid' is invalid in C99 [-Wimplicit-function-declaration]
            if (waitpid(background[i], NULL, WNOHANG)!=0) {
                ^
main.c:425:32: warning: implicit declaration of function 'wait' is invalid in C99 [-Wimplicit-function-declaration]
            while ( (finishPid=wait(NULL))!=-1){
                               ^
main.c:447:13: warning: implicit declaration of function 'waitpid' is invalid in C99 [-Wimplicit-function-declaration]
            waitpid(sonPid, NULL, WUNTRACED);
            ^
3 warnings generated.
clang -std=gnu11 -O2 -Wall  -fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fsanitize=integer -o mumsh_memory_check main.c
main.c:47:17: warning: implicit declaration of function 'waitpid' is invalid in C99 [-Wimplicit-function-declaration]
            if (waitpid(background[i], NULL, WNOHANG)!=0) {
                ^
main.c:425:32: warning: implicit declaration of function 'wait' is invalid in C99 [-Wimplicit-function-declaration]
            while ( (finishPid=wait(NULL))!=-1){
                               ^
main.c:447:13: warning: implicit declaration of function 'waitpid' is invalid in C99 [-Wimplicit-function-declaration]
            waitpid(sonPid, NULL, WUNTRACED);
            ^
3 warnings generated.
mumsh successfully constructed
make: Leaving directory '/out/build/mumsh'
finished

clean (3/3): 
finished

all tasks finished, build successfully