ObjFW  Diff

		have_processes="yes"
		;;
	*-*-msdosdjgpp*)
		have_processes="no"
		;;
	*)
		AC_CHECK_FUNCS([fork dup2 execvp kill _exit], [
			if test x"$ac_cv_func_fork" = x"yes" \
			AS_IF([test x"$ac_cv_func_fork" = x"yes" \
			    -a x"$ac_cv_func_pipe" = x"yes" \
			    -a x"$ac_cv_func_dup2" = x"yes" \
			    -a x"$ac_cv_func_execvp" = x"yes" \
			    -a x"$ac_cv_func_kill" = x"yes" \
			    -a x"$ac_cv_func__exit" = x"yes"; then
			    -a x"$ac_cv_func__exit" = x"yes"], [
				have_processes="yes"
			fi
			])
		], [
			break
		])

		AC_CHECK_FUNCS(posix_spawnp)

		AS_IF([test x"$ac_cv_func_posix_spawnp" = x"yes" \
		    -a x"$ac_cv_func_kill" = x"yes"], [
			have_processes="yes"

			AC_CHECK_HEADERS(spawn.h)
		])
		;;
esac
AS_IF([test x"$have_processes" = x"yes"], [
	AC_SUBST(OFPROCESS_M, "OFProcess.m")
	AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes])
])