python3-lxml: check the return value

Check the return value in subprocess to guarantee the subprocess
execute successfully or not as after [1] introduced to limit the
netowork, there some difference during do_compile phase as below.
Before the change
 # python
 Python 3.8.10 (default, Nov 26 2021, 20:14:08)
 [GCC 9.3.0] on linux
 Type "help", "copyright", "credits" or "license" for more information.
 >>> import subprocess
 >>> cmd = "pkg-config --modversion libxml-2.0"
 >>> p = subprocess.Popen(cmd, shell=True,stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 >>> stdout_data, errors = p.communicate()
 >>> print(stdout_data)
 b'2.9.12\n'
 >>> print(errors)
 b''
 >>>

After the change
 # python
 Python 3.8.10 (default, Nov 26 2021, 20:14:08)
 [GCC 9.3.0] on linux
 Type "help", "copyright", "credits" or "license" for more information.
 >>> import subprocess
 >>> cmd = "pkg-config --modversion libxml-2.0"
 >>> p = subprocess.Popen(cmd, shell=True,stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 >>> stdout_data, errors = p.communicate()
 >>> print(stdout_data)
 b'2.9.12\n'
 >>> print(errors)
 b'do_ypcall: clnt_call: RPC: Unable to send; errno = Network is unreachable\n'
 >>>

[1] https://git.openembedded.org/bitbake/commit/?id=0746b6a2a32fec4c18bf1a52b1454ca4c04bf543

Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta-python/recipes-devtools/python/python3-lxml_4.7.1.bb b/meta-python/recipes-devtools/python/python3-lxml_4.7.1.bb
index cb33fcc3c7..43f071281d 100644
--- a/meta-python/recipes-devtools/python/python3-lxml_4.7.1.bb
+++ b/meta-python/recipes-devtools/python/python3-lxml_4.7.1.bb
@@ -20,6 +20,9 @@ DEPENDS += "libxml2 libxslt"
 
 SRC_URI[sha256sum] = "a1613838aa6b89af4ba10a0f3a972836128801ed008078f8c1244e65958f1b24"
 
+SRC_URI += " \
+           file://0001-setupinfo.py-check-the-return-value.patch \
+"
 inherit pkgconfig pypi setuptools3
 
 # {standard input}: Assembler messages: