python3: add ldconfig rdepends for python3-ctypes

The ctypes module needs to use "ldconfig -p" to find the
library path and it simply has below logic if no ldconfig
installed.
  except OSError:
      pass

Before the patch:
  >>> from ctypes.util import find_library
  >>> lib_path = find_library('archive')
  >>> print(lib_path)
  None

After the patch:
  >>> from ctypes.util import find_library
  >>> lib_path = find_library('archive')
  >>> print(lib_path)
  libarchive.so.13

Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-devtools/python/python3_3.8.3.bb b/meta/recipes-devtools/python/python3_3.8.3.bb
index 2eb2a422e615857dced37b9462a8192a84310b83..a7cfbad5cdf139992479c28e0e90fea4dd241fff 100644 (file)
--- a/meta/recipes-devtools/python/python3_3.8.3.bb
+++ b/meta/recipes-devtools/python/python3_3.8.3.bb
@@ -350,6 +350,7 @@ FILES_${PN}-man = "${datadir}/man"
 
 # See https://bugs.python.org/issue18748 and https://bugs.python.org/issue37395
 RDEPENDS_libpython3_append_libc-glibc = " libgcc"
+RDEPENDS_${PN}-ctypes_append_libc-glibc = " ${MLPREFIX}ldconfig"
 RDEPENDS_${PN}-ptest = "${PN}-modules ${PN}-tests unzip bzip2 libgcc tzdata-europe coreutils sed"
 RDEPENDS_${PN}-ptest_append_libc-glibc = " locale-base-tr-tr.iso-8859-9"
 RDEPENDS_${PN}-tkinter += "${@bb.utils.contains('PACKAGECONFIG', 'tk', 'tk tk-lib', '', d)}"