libtevent: add new recipe

libtevent is required by samba4

Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com>

meta-oe/recipes-support/libtevent/libtevent/do-not-check-xsltproc-manpages.patch

@@ -0,0 +1,16 @@
+Don't check manpages for xsltproc.
+
+Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com>
+
+diff -Nurp tevent-0.9.21.orig/lib/talloc/wscript tevent-0.9.21/lib/talloc/wscript
+--- tevent-0.9.21.orig/lib/talloc/wscript	2013-09-08 21:24:14.000000000 +0900
++++ tevent-0.9.21/lib/talloc/wscript	2015-04-24 16:28:04.085000230 +0900
+@@ -55,7 +55,7 @@ def configure(conf):
+     if conf.env.standalone_talloc:
+         conf.env.TALLOC_COMPAT1 = Options.options.TALLOC_COMPAT1
+ 
+-    conf.CHECK_XSLTPROC_MANPAGES()
++    conf.find_program('xsltproc', var='XSLTPROC')
+ 
+     if not conf.env.disable_python:
+         # also disable if we don't have the python libs installed

meta-oe/recipes-support/libtevent/libtevent_0.9.21.bb

@@ -0,0 +1,30 @@
+SUMMARY = "Hierarchical, reference counted memory pool system with destructors"
+HOMEPAGE = "http://tevent.samba.org"
+SECTION = "libs"
+LICENSE = "LGPLv3+"
+
+DEPENDS += "talloc"
+RDEPENDS_${PN} += "libtalloc"
+RDEPENDS_python-tevent = "python"
+
+SRC_URI = "http://samba.org/ftp/tevent/tevent-${PV}.tar.gz"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/LGPL-3.0;md5=bfccfe952269fff2b407dd11f2f3083b"
+
+SRC_URI[md5sum] = "3d5a76c0a1b5f724842d785fd055633f"
+SRC_URI[sha256sum] = "f2be7463573dab2d8210cb57fe7e7e2aeb323274cbdc865a6e29ddcfb977f0f4"
+
+inherit waf-samba
+
+S = "${WORKDIR}/tevent-${PV}"
+
+EXTRA_OECONF += "--disable-rpath \
+                 --bundled-libraries=NONE \
+                 --builtin-libraries=replace \
+                 --with-libiconv=${STAGING_DIR_HOST}${prefix}\
+                 --without-gettext \
+                "
+
+PACKAGES += "python-tevent python-tevent-dbg"
+
+FILES_python-tevent = "${libdir}/python${PYTHON_BASEVERSION}/site-packages/*"
+FILES_python-tevent-dbg = "${libdir}/python${PYTHON_BASEVERSION}/site-packages/.debug"