clang -O2  -Wall -Wextra -Werror=implicit-function-declaration aio/lio_listio.c -o aio/lio_listio -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE  -lm  -lintl
../out/minix/basic/aio/lio_listio.o: In function `main':
aio/lio_listio.c:(.text+0x549): undefined reference to `lio_listio'
aio/lio_listio.c:(.text+0x55d): undefined reference to `aio_error'
aio/lio_listio.c:(.text+0x58a): undefined reference to `aio_return'
aio/lio_listio.c:(.text+0x5a4): undefined reference to `aio_error'
aio/lio_listio.c:(.text+0x5bd): undefined reference to `aio_return'
clang: error: linker command failed with exit code 1 (use -v to see invocation)