cracklib: add python support back

It had been disabled because of installed-vs-shipped:
    WARNING:   /usr/lib/python2.7
    WARNING:   /usr/lib/python2.7/site-packages

Now we fix it and add cracklib-python back.

(From OE-Core rev: fafa6b8f4444da3c0fc911d3a11eef2cd6ed825c)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/cracklib/cracklib_2.9.2.bb

@@ -4,10 +4,12 @@ HOMEPAGE = "http://sourceforge.net/projects/cracklib"
 LICENSE = "LGPLv2.1+"
 LIC_FILES_CHKSUM = "file://COPYING.LIB;md5=e3eda01d9815f8d24aae2dbd89b68b06"
 
-DEPENDS = "cracklib-native zlib"
-DEPENDS_class-native = "zlib-native"
+DEPENDS = "cracklib-native zlib python"
+RDEPEND_${PN}-python += "python"
 
-EXTRA_OECONF = "--without-python --libdir=${base_libdir}"
+PACKAGES += "${PN}-python"
+
+EXTRA_OECONF = "--with-python --libdir=${base_libdir}"
 
 SRC_URI = "${SOURCEFORGE_MIRROR}/cracklib/cracklib-${PV}.tar.gz \
            file://0001-packlib.c-support-dictionary-byte-order-dependent.patch \
@@ -18,10 +20,28 @@ SRC_URI[sha256sum] = "c1c899291d443e99d1aecfbc879e4ac9c0cbc265574f47b487842da11e
 
 PR = "r1"
 
-inherit autotools gettext
+inherit autotools gettext pythonnative python-dir
 
 do_install_append_class-target() {
 	create-cracklib-dict -o ${D}${datadir}/cracklib/pw_dict ${D}${datadir}/cracklib/cracklib-small
 }
 
+do_install_append() {
+	src_dir="${D}${base_libdir}/${PYTHON_DIR}/site-packages"
+	rm -f $src_dir/*.pyo
+	rm -f $src_dir/test_cracklib.py
+	# Move python files from ${base_libdir} to ${libdir} since used --libdir=${base_libdir}
+	install -d -m 0755 ${D}${PYTHON_SITEPACKAGES_DIR}/
+	mv $src_dir/* ${D}${PYTHON_SITEPACKAGES_DIR}
+	rm -fr ${D}${base_libdir}/${PYTHON_DIR}
+}
+
 BBCLASSEXTEND = "native nativesdk"
+
+FILES_${PN}-python = "${PYTHON_SITEPACKAGES_DIR}/cracklib.py \
+	${PYTHON_SITEPACKAGES_DIR}/_cracklib.so \
+    "
+FILES_${PN}-dbg += "${PYTHON_SITEPACKAGES_DIR}/.debug/_cracklib.so"
+FILES_${PN}-staticdev += "${PYTHON_SITEPACKAGES_DIR}/_cracklib.a \
+	${PYTHON_SITEPACKAGES_DIR}/_cracklib.la \
+    "