libldb: add new recipe

libldb is required by samba4

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

meta-oe/recipes-support/libldb/libldb/do-not-import-target-module-while-cross-compile.patch

@@ -0,0 +1,57 @@
+Some modules such as dynamic library maybe cann't be imported while cross compile,
+we just check whether does the module exist.
+
+Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com>
+
+--- ldb-1.1.17.orig/buildtools/wafsamba/samba_bundled.py	2015-07-16 16:42:12.265127110 +0800
++++ ldb-1.1.17/buildtools/wafsamba/samba_bundled.py	2015-07-16 16:45:25.717119550 +0800
+@@ -1,7 +1,7 @@
+ # functions to support bundled libraries
+ 
+ from Configure import conf
+-import sys, Logs
++import sys, Logs, imp
+ from samba_utils import *
+ 
+ def PRIVATE_NAME(bld, name, private_extension, private_library):
+@@ -218,17 +218,32 @@ def CHECK_BUNDLED_SYSTEM_PYTHON(conf, li
+     # versions
+     minversion = minimum_library_version(conf, libname, minversion)
+ 
+-    try:
+-        m = __import__(modulename)
+-    except ImportError:
+-        found = False
+-    else:
++    # Find module in PYTHONPATH
++    stuff = imp.find_module(modulename, [os.environ["PYTHONPATH"]])
++    if stuff:
+         try:
+-            version = m.__version__
+-        except AttributeError:
++            m = imp.load_module(modulename, stuff[0], stuff[1], stuff[2])
++        except ImportError:
+             found = False
++
++            if conf.env.CROSS_COMPILE:
++                # Some modules such as dynamic library maybe cann't be imported
++                # while cross compile, we just check whether the module exist
++                Logs.warn('Cross module[%s] has been found, but can not be loaded.' % (stuff[1]))
++                found = True
+         else:
+-            found = tuplize_version(version) >= tuplize_version(minversion)
++            try:
++                version = m.__version__
++            except AttributeError:
++                found = False
++            else:
++                found = tuplize_version(version) >= tuplize_version(minversion)
++        finally:
++            if stuff[0]:
++                stuff[0].close()
++    else:
++        found = False
++
+     if not found and not conf.LIB_MAY_BE_BUNDLED(libname):
+         Logs.error('ERROR: Python module %s of version %s not found, and bundling disabled' % (libname, minversion))
+         sys.exit(1)

meta-oe/recipes-support/libldb/libldb_1.1.17.bb

@@ -0,0 +1,46 @@
+SUMMARY = "Hierarchical, reference counted memory pool system with destructors"
+HOMEPAGE = "http://ldb.samba.org"
+SECTION = "libs"
+LICENSE = "LGPL-3.0+ & LGPL-2.1+ & GPL-3.0+"
+
+DEPENDS += "libtdb talloc libtevent popt"
+RDEPENDS_${PN} += "libtevent popt libtalloc openldap"
+RDEPENDS_pyldb += "python libtdb libtalloc"
+
+SRC_URI = "http://samba.org/ftp/ldb/ldb-${PV}.tar.gz \
+           file://do-not-import-target-module-while-cross-compile.patch \
+          "
+
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/LGPL-3.0;md5=bfccfe952269fff2b407dd11f2f3083b \
+                    file://${COREBASE}/meta/files/common-licenses/LGPL-2.1;md5=1a6d268fd218675ffea8be556788b780 \
+                    file://${COREBASE}/meta/files/common-licenses/GPL-3.0;md5=c79ff39f19dfec6d293b95dea7b07891"
+
+SRC_URI[md5sum] = "7c2ab4e3f2a4186493aa06eabbc61cc0"
+SRC_URI[sha256sum] = "b9a312aad19e9463716d257d8f2529fd7fc1a5ef24f6dcdc0c4a1930d7bdb6e6"
+
+inherit waf-samba
+
+S = "${WORKDIR}/ldb-${PV}"
+
+EXTRA_OECONF += "--disable-rpath \
+                 --disable-rpath-install \
+                 --bundled-libraries=NONE \
+                 --builtin-libraries=replace \
+                 --with-modulesdir=${libdir}/ldb/modules \
+                 --with-privatelibdir=${libdir}/ldb \
+                 --with-libiconv=${STAGING_DIR_HOST}${prefix}\
+                "
+
+PACKAGES += "pyldb pyldb-dbg pyldb-dev"
+
+FILES_${PN} += "${libdir}/ldb/*"
+FILES_${PN}-dbg += "${libdir}/ldb/.debug/* \
+                    ${libdir}/ldb/modules/ldb/.debug/*"
+
+FILES_pyldb = "${libdir}/python${PYTHON_BASEVERSION}/site-packages/* \
+               ${libdir}/libpyldb-util.so.1 \
+               ${libdir}/libpyldb-util.so.1.1.17 \
+              "
+FILES_pyldb-dbg = "${libdir}/python${PYTHON_BASEVERSION}/site-packages/.debug \
+                   ${libdir}/.debug/libpyldb-util.so.1.1.17"
+FILES_pyldb-dev = "${libdir}/libpyldb-util.so"