diff --git a/meta/classes/oelint.bbclass b/meta/classes/oelint.bbclass
new file mode 100644
index 0000000..1b051ca
--- /dev/null
+++ b/meta/classes/oelint.bbclass
@@ -0,0 +1,84 @@
+addtask lint before do_build
+do_lint[nostamp] = "1"
+python do_lint() {
+    pkgname = d.getVar("PN", True)
+
+    ##############################
+    # Test that DESCRIPTION exists
+    #
+    description = d.getVar("DESCRIPTION", False)
+    if description[1:10] == '{SUMMARY}':
+        bb.warn("%s: DESCRIPTION is not set" % pkgname)
+
+
+    ##############################
+    # Test that HOMEPAGE exists
+    #
+    homepage = d.getVar("HOMEPAGE", False)
+    if homepage == '':
+        bb.warn("%s: HOMEPAGE is not set" % pkgname)
+    elif not homepage.startswith("http://") and not homepage.startswith("https://"):
+        bb.warn("%s: HOMEPAGE doesn't start with http:// or https://" % pkgname)
+
+
+    ##############################
+    # Test for valid SECTION
+    #
+    section = d.getVar("SECTION", False)
+    if section == '':
+        bb.warn("%s: SECTION is not set" % pkgname)
+    elif not section.islower():
+        bb.warn("%s: SECTION should only use lower case" % pkgname)
+
+
+    ##############################
+    # Check that all patches have Signed-off-by and Upstream-Status
+    #
+    srcuri = d.getVar("SRC_URI", False).split()
+    fpaths = (d.getVar('FILESPATH', True) or '').split(':')
+
+    def findPatch(patchname):
+        for dir in fpaths:
+            patchpath = dir + patchname
+            if os.path.exists(patchpath):
+                 return patchpath
+
+    def findKey(path, key):
+        ret = True
+        f = file('%s' % path, mode = 'r')
+        line = f.readline()
+        while line:
+            if line.find(key) != -1:
+                ret = False
+            line = f.readline()
+        f.close()
+        return ret
+
+    def checkPN(pkgname, varname, str):
+        if str.find("{PN}") != -1:
+            bb.warn("%s: should use BPN instead of PN in %s" % (pkgname, varname))
+        if str.find("{P}") != -1:
+            bb.warn("%s: should use BP instead of P in %s" % (pkgname, varname))
+
+    length = len("file://")
+    for item in srcuri:
+        if item.startswith("file://"):
+            item = item[length:]
+            if item.endswith(".patch") or item.endswith(".diff"):
+                path = findPatch(item)
+                if findKey(path, "Signed-off-by"):
+                    bb.warn("%s: %s doesn't have Signed-off-by" % (pkgname, item))
+                if findKey(path, "Upstream-Status"):
+                    bb.warn("%s: %s doesn't have Upstream-Status" % (pkgname, item))
+
+
+    ##############################
+    # Check for ${PN} or ${P} usage in SRC_URI or S
+    # Should use ${BPN} or ${BP} instead to avoid breaking multilib
+    #
+    for s in srcuri:
+        if not s.startswith("file://"):
+            checkPN(pkgname, 'SRC_URI', s)
+
+    checkPN(pkgname, 'S', d.getVar('S', False))
+}