ObjFW  Diff

	*-*-mingw*)
		have_processes="yes"
		;;
	*-*-msdosdjgpp*)
		have_processes="no"
		;;
	*)
		AC_CHECK_FUNCS(kill)

		AC_CHECK_FUNC(posix_spawn, [
			AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
				have_processes="yes"

				AC_CHECK_HEADERS(spawn.h)
			])
		], [
		AC_CHECK_FUNCS([vfork dup2 execvp kill _exit], [
			AS_IF([test x"$ac_cv_func_vfork" = x"yes" \
			    -a x"$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"], [
				have_processes="yes"
			])
		], [
			break
		])
			AC_CHECK_FUNCS([vfork dup2 execvp _exit], [
				AS_IF([test x"$ac_cv_func_vfork" = x"yes" \
				    -a x"$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"], [
					have_processes="yes"
				])
			], [
				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])
])