daemontools-0.76 install 시 에러 메시지...

아래와 같은 에러메세지가 듭니다.
가르쳐 주시면 감사하겠습니다.

Compiling everything in ./compile...
./load envdir unix.a byte.a
envdir.o(.text+0xca): In function `main':
: undefined reference to `errno'
envdir.o(.text+0x1ea): In function `main':
: undefined reference to `errno'
unix.a(openreadclose.o)(.text+0x3b): In function `openreadclose':
: undefined reference to `errno'
unix.a(pathexec_run.o)(.text+0xf6): In function `pathexec_run':
: undefined reference to `errno'
unix.a(pathexec_run.o)(.text+0x13a): In function `pathexec_run':
: undefined reference to `errno'
unix.a(readclose.o)(.text+0x42): more undefined references to `errno' follow
collect2: ld returned 1 exit status
make: *** [envdir] Error 1
Copying commands into ./command...
cp: cannot stat `compile/svscan': No such file or directory

여기 위에서 envdir 이라는 것에 감을 못잡겠습니다.