diff -ur udev-150/extras/ata_id/ata_id.c udev-150-uclibc/extras/ata_id/ata_id.c
--- udev-150/extras/ata_id/ata_id.c	2009-12-08 18:43:09.000000000 +0100
+++ udev-150-uclibc/extras/ata_id/ata_id.c	2010-01-19 17:10:19.000000000 +0100
@@ -168,7 +168,11 @@
 	uint16_t *p;
 
 	p = (uint16_t *) identify;
+#ifdef __UCLIBC__
+	p[offset_words] = __le16_to_cpu (p[offset_words]);
+#else
 	p[offset_words] = le16toh (p[offset_words]);
+#endif
 }
 
 /**
diff -ur udev-150/udev/udevadm-info.c udev-150-uclibc/udev/udevadm-info.c
--- udev-150/udev/udevadm-info.c	2009-12-24 20:40:34.000000000 +0100
+++ udev-150-uclibc/udev/udevadm-info.c	2010-01-19 17:47:00.000000000 +0100
@@ -200,8 +200,14 @@
 	return 0;
 }
 
+#ifdef __UCLIBC__
+static void cleanup_dir(DIR *dir, char *dirname, mode_t mask, int depth)
+{
+	char filename[UTIL_PATH_SIZE];
+#else
 static void cleanup_dir(DIR *dir, mode_t mask, int depth)
 {
+#endif
 	struct dirent *dent;
 
 	if (depth <= 0)
@@ -212,7 +215,12 @@
 
 		if (dent->d_name[0] == '.')
 			continue;
+#ifdef __UCLIBC__
+		util_strscpyl(filename, sizeof(filename), dirname, "/", dent->d_name, NULL);
+		if (lstat(filename, &stats) != 0)
+#else
 		if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0)
+#endif
 			continue;
 		if ((stats.st_mode & mask) != 0)
 			continue;
@@ -229,7 +232,11 @@
 
 			dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC));
 			if (dir2 != NULL) {
+#ifdef __UCLIBC__
+				cleanup_dir(dir2, filename, mask, depth-1);
+#else
 				cleanup_dir(dir2, mask, depth-1);
+#endif
 				closedir(dir2);
 			}
 			unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR);
@@ -250,35 +257,55 @@
 	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
 	dir = opendir(filename);
 	if (dir != NULL) {
+#ifdef __UCLIBC__
+		cleanup_dir(dir, filename, S_ISVTX, 1);
+#else
 		cleanup_dir(dir, S_ISVTX, 1);
+#endif
 		closedir(dir);
 	}
 
 	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL);
 	dir = opendir(filename);
 	if (dir != NULL) {
+#ifdef __UCLIBC__
+		cleanup_dir(dir, filename, 0, 2);
+#else
 		cleanup_dir(dir, 0, 2);
+#endif
 		closedir(dir);
 	}
 
 	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL);
 	dir = opendir(filename);
 	if (dir != NULL) {
+#ifdef __UCLIBC__
+		cleanup_dir(dir, filename, 0, 2);
+#else
 		cleanup_dir(dir, 0, 2);
+#endif
 		closedir(dir);
 	}
 
 	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
 	dir = opendir(filename);
 	if (dir != NULL) {
+#ifdef __UCLIBC__
+		cleanup_dir(dir, filename, 0, 1);
+#else
 		cleanup_dir(dir, 0, 1);
+#endif
 		closedir(dir);
 	}
 
 	util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL);
 	dir = opendir(filename);
 	if (dir != NULL) {
+#ifdef __UCLIBC__
+		cleanup_dir(dir, filename, 0, 1);
+#else
 		cleanup_dir(dir, 0, 1);
+#endif
 		closedir(dir);
 	}
 }
--- udev-168/udev/udev-event.c.orig	2011-04-21 14:05:13.000000000 +0200
+++ udev-168/udev/udev-event.c	2011-04-26 01:09:16.813273489 +0200
@@ -508,12 +508,19 @@
 	if (fd_stdout < 0 && fd_stderr < 0)
 		return 0;
 
+#ifdef __UCLIBC__
+	fd_ep = epoll_create(1);
+#else
 	fd_ep = epoll_create1(EPOLL_CLOEXEC);
+#endif
 	if (fd_ep < 0) {
 		err = -errno;
 		err(udev, "error creating epoll fd: %m\n");
 		goto out;
 	}
+#ifdef __UCLIBC__
+	fcntl(fd_ep, F_SETFD, FD_CLOEXEC);
+#endif
 
 	if (fd_stdout >= 0) {
 		memset(&ep_outpipe, 0, sizeof(struct epoll_event));
@@ -698,9 +698,11 @@
 				} else if (WIFSTOPPED(status)) {
 					err(udev, "'%s' [%u] stopped\n", cmd, pid);
 					err = -1;
+#ifdef WIFCONTINUED
 				} else if (WIFCONTINUED(status)) {
 					err(udev, "'%s' [%u] continued\n", cmd, pid);
 					err = -1;
+#endif
 				} else {
 					err(udev, "'%s' [%u] exit with status 0x%04x\n", cmd, pid, status);
 					err = -1;
@@ -759,18 +759,34 @@
 
 	/* pipes from child to parent */
 	if (result != NULL || udev_get_log_priority(udev) >= LOG_INFO) {
+#ifdef __UCLIBC__
+		if (pipe(outpipe) != 0) {
+#else
 		if (pipe2(outpipe, O_NONBLOCK) != 0) {
+#endif
 			err = -errno;
 			err(udev, "pipe failed: %m\n");
 			goto out;
 		}
+#ifdef __UCLIBC__
+		fcntl(outpipe[0], F_SETFL, O_NONBLOCK);
+		fcntl(outpipe[1], F_SETFL, O_NONBLOCK);
+#endif
 	}
 	if (udev_get_log_priority(udev) >= LOG_INFO) {
+#ifdef __UCLIBC__
+		if (pipe(errpipe) != 0) {
+#else
 		if (pipe2(errpipe, O_NONBLOCK) != 0) {
+#endif
 			err = -errno;
 			err(udev, "pipe failed: %m\n");
 			goto out;
 		}
+#ifdef __UCLIBC__
+		fcntl(errpipe[0], F_SETFL, O_NONBLOCK);
+		fcntl(errpipe[1], F_SETFL, O_NONBLOCK);
+#endif
 	}
 
 	/* allow programs in /lib/udev/ to be called without the path */
--- udev-168/udev/udevd.c.orig	2011-04-21 14:05:13.000000000 +0200
+++ udev-168/udev/udevd.c	2011-04-26 01:13:39.984103209 +0200
@@ -256,12 +256,19 @@
 			goto out;
 		}
 
+#ifdef __UCLIBC__
+		fd_ep = epoll_create(1);
+#else
 		fd_ep = epoll_create1(EPOLL_CLOEXEC);
+#endif
 		if (fd_ep < 0) {
 			err(udev, "error creating epoll fd: %m\n");
 			rc = 3;
 			goto out;
 		}
+#ifdef __UCLIBC__
+		fcntl(fd_ep, F_SETFD, FD_CLOEXEC);
+#endif
 
 		memset(&ep_signal, 0, sizeof(struct epoll_event));
 		ep_signal.events = EPOLLIN;
@@ -826,8 +826,10 @@
 					    pid, WTERMSIG(status), strsignal(WTERMSIG(status)));
 				} else if (WIFSTOPPED(status)) {
 					err(udev, "worker [%u] stopped\n", pid);
+#ifdef WIFCONTINUED
 				} else if (WIFCONTINUED(status)) {
 					err(udev, "worker [%u] continued\n", pid);
+#endif
 				} else {
 					err(udev, "worker [%u] exit with status 0x%04x\n", pid, status);
 				}
@@ -1547,11 +1554,18 @@
 	ep_worker.events = EPOLLIN;
 	ep_worker.data.fd = fd_worker;
 
+#ifdef __UCLIBC__
+	fd_ep = epoll_create(1);
+#else
 	fd_ep = epoll_create1(EPOLL_CLOEXEC);
+#endif
 	if (fd_ep < 0) {
 		err(udev, "error creating epoll fd: %m\n");
 		goto exit;
 	}
+#ifdef __UCLIBC__
+	fcntl(fd_ep, F_SETFD, FD_CLOEXEC);
+#endif
 	if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_ctrl, &ep_ctrl) < 0 ||
 	    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_inotify, &ep_inotify) < 0 ||
 	    epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_signal, &ep_signal) < 0 ||
--- udev-172/udev/udev-ctrl.c.orig	2011-04-26 01:20:36.150103207 +0200
+++ udev-172/udev/udev-ctrl.c	2011-04-26 01:21:48.940103224 +0200
@@ -15,6 +15,7 @@
 #include <stddef.h>
 #include <string.h>
 #include <unistd.h>
+#include <fcntl.h>
 #include <sys/types.h>
 #include <sys/poll.h>
 #include <sys/socket.h>
@@ -187,13 +187,22 @@
 	conn->refcount = 1;
 	conn->uctrl = uctrl;
 
+#ifdef __UCLIBC__
+	conn->sock = accept(uctrl->sock, NULL, NULL);
+#else
 	conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
+#endif
 	if (conn->sock < 0) {
 		if (errno != EINTR)
 			err(uctrl->udev, "unable to receive ctrl connection: %m\n");
 		goto err;
 	}
 
+#ifdef __UCLIBC__
+	fcntl(conn->sock, F_SETFD, FD_CLOEXEC);
+	fcntl(conn->sock, F_SETFL, O_NONBLOCK);
+#endif
+
 	/* check peer credential of connection */
 	slen = sizeof(ucred);
 	if (getsockopt(conn->sock, SOL_SOCKET, SO_PEERCRED, &ucred, &slen) < 0) {
--- udev-168/udev/udevadm-monitor.c.orig	2011-04-26 01:53:44.361103209 +0200
+++ udev-168/udev/udevadm-monitor.c	2011-04-26 01:54:41.946103207 +0200
@@ -157,11 +157,18 @@
 	sigaddset(&mask, SIGTERM);
 	sigprocmask(SIG_UNBLOCK, &mask, NULL);
 
+#ifdef __UCLIBC__
+	fd_ep = epoll_create(1);
+#else
 	fd_ep = epoll_create1(EPOLL_CLOEXEC);
+#endif
 	if (fd_ep < 0) {
 		err(udev, "error creating epoll fd: %m\n");
 		goto out;
 	}
+#ifdef __UCLIBC__
+	fcntl(fd_ep, F_SETFD, FD_CLOEXEC);
+#endif
 
 	printf("monitor will print the received events for:\n");
 	if (print_udev) {