diff --git a/poky/meta/recipes-devtools/m4/m4/0001-test-getopt-posix-fix.patch b/poky/meta/recipes-devtools/m4/m4/0001-test-getopt-posix-fix.patch
new file mode 100644
index 0000000..11508ee
--- /dev/null
+++ b/poky/meta/recipes-devtools/m4/m4/0001-test-getopt-posix-fix.patch
@@ -0,0 +1,41 @@
+From 75bea7c72a919859674f493548653de88f96c798 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Mon, 22 Apr 2019 10:36:13 +0800
+Subject: [PATCH] test-getopt-posix fix
+
+fix below problem:
+test-getopt.h:754: assertion 'strcmp (argv[1], "donald") == 0' failed
+
+get this patch from  
+https://github.com/habitat-sh/core-plans/blob/master/m4/fix-test-getopt-posix-with-glibc-2.26.patch
+
+Upstream-Status: Pending
+
+have report this bug to m4-discuss@gnu.org
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ tests/test-getopt-posix.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/tests/test-getopt-posix.c b/tests/test-getopt-posix.c
+index 5532271..2a3d511 100644
+--- a/tests/test-getopt-posix.c
++++ b/tests/test-getopt-posix.c
+@@ -22,6 +22,13 @@
+    ftell link warning if we are not using the gnulib ftell module.  */
+ #define _GL_NO_LARGE_FILES
+ 
++/*
++ * Glibc 2.26 does hard include bits/getopt_posix.h which causes the system
++ * to use glibc's getopt but the tests expect gnulib behavior. Until a better
++ * fix is available this avoids that mis-resolution.
++ */
++#include <getopt.h>
++
+ /* POSIX and glibc provide the getopt() function in <unistd.h>, see
+    http://pubs.opengroup.org/onlinepubs/9699919799/functions/getopt.html
+    https://www.gnu.org/software/libc/manual/html_node/Using-Getopt.html
+-- 
+2.7.4
+
diff --git a/poky/meta/recipes-devtools/m4/m4/m4-1.4.18-glibc-change-work-around.patch b/poky/meta/recipes-devtools/m4/m4/m4-1.4.18-glibc-change-work-around.patch
index 72e7ae2..c10bcbf 100644
--- a/poky/meta/recipes-devtools/m4/m4/m4-1.4.18-glibc-change-work-around.patch
+++ b/poky/meta/recipes-devtools/m4/m4/m4-1.4.18-glibc-change-work-around.patch
@@ -3,8 +3,9 @@
 see
 https://src.fedoraproject.org/rpms/m4/c/814d592134fad36df757f9a61422d164ea2c6c9b?branch=master
 
-Upstream-Status: Pending
+Upstream-Status: Backport [https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=4af4a4a718]
 Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
 Index: m4-1.4.18/lib/fflush.c
 ===================================================================
 --- m4-1.4.18.orig/lib/fflush.c
diff --git a/poky/meta/recipes-devtools/m4/m4/run-ptest b/poky/meta/recipes-devtools/m4/m4/run-ptest
new file mode 100644
index 0000000..5c0fe93
--- /dev/null
+++ b/poky/meta/recipes-devtools/m4/m4/run-ptest
@@ -0,0 +1,5 @@
+#!/bin/sh
+#
+#This script is used to run m4 test suites
+cd tests 
+make -k runtest-TESTS top_srcdir=.. srcdir=.
diff --git a/poky/meta/recipes-devtools/m4/m4/serial-tests-config.patch b/poky/meta/recipes-devtools/m4/m4/serial-tests-config.patch
new file mode 100644
index 0000000..34e6ad8
--- /dev/null
+++ b/poky/meta/recipes-devtools/m4/m4/serial-tests-config.patch
@@ -0,0 +1,30 @@
+From ab8491111b4578db5b735c6466187775e1855f18 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Tue, 23 Apr 2019 15:35:00 +0800
+Subject: [PATCH] add a patch to use serial-tests config needed by ptest
+
+Add serial-tests support, ptest need it.
+
+Upstream-Status: Inappropriate [oe specific]
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ configure.ac | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure.ac b/configure.ac
+index 78b8788..931fa6f 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -22,7 +22,7 @@ AC_INIT([GNU M4], m4_esyscmd([build-aux/git-version-gen .tarball-version]),
+   [bug-m4@gnu.org])
+ AC_CONFIG_AUX_DIR([build-aux])
+ 
+-AM_INIT_AUTOMAKE([1.11.6 dist-bzip2 dist-xz color-tests parallel-tests
++AM_INIT_AUTOMAKE([1.11.6 dist-bzip2 dist-xz color-tests serial-tests
+ silent-rules subdir-objects gnu])
+ AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
+ 
+-- 
+2.7.4
+