Files:
tests/test-passfd.c
tests/macros.h

Depends-on:
sys_wait

configure.ac:
AC_CHECK_DECLS_ONCE([alarm])
AC_CHECK_FUNCS_ONCE([socketpair])

Makefile.am:
TESTS += test-passfd
check_PROGRAMS += test-passfd
test_passfd_LDADD = $(LDADD) @LIBSOCKET@