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* [Buildroot] [PATCH] package/python3: use pure python UUID backend for host variant
@ 2023-02-07 15:36 Quentin Schulz
  2023-02-07 15:49 ` Yann E. MORIN
  0 siblings, 1 reply; 2+ messages in thread
From: Quentin Schulz @ 2023-02-07 15:36 UTC (permalink / raw)
  To: buildroot, Quentin Schulz; +Cc: Quentin Schulz, Asaf Kahlon, Thomas Petazzoni

From: Quentin Schulz <quentin.schulz@theobroma-systems.com>

host-python3 currently does not build if util-linux-uuid option is not
enabled, failing with the following error messages:
"""
/usr/lib64/ccache/gcc -fPIC -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -O2 -I/home/qschulz/work/upstream/buildroot/output/host/include -std=c11 -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration -fvisibility=hidden -I./Include/internal -I./Include -I. -I/home/qschulz/work/upstream/buildroot/output/host/include -I/usr/local/include -I/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Include -I/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1 -c /home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Modules/_uuidmodule.c -o build/temp.linux-x86_64-3.11/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Modules/_uuidmodule.o
/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Modules/_uuidmodule.c: In function ‘py_uuid_generate_time_safe’:
/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Modules/_uuidmodule.c:27:12: error: storage size of ‘uui ’ isn’t known
   27 |     uuid_t uuid;
      |            ^~~~
/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Modules/_uuidmodule.c:31:11: error: implicit declaration of function ‘uuid_generate_time_safe’; did you mean ‘py_uuid_generate_time_safe’? [-Werror=implicit-function-declaration]
   31 |     res = uuid_generate_time_safe(uuid);
      |           ^~~~~~~~~~~~~~~~~~~~~~~
      |           py_uuid_generate_time_safe
/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Modules/_uuidmodule.c:27:12: warning: unused variable ‘uuid’ [-Wunused-variable]
   27 |     uuid_t uuid;
      |            ^~~~
/home/qschulz/work/upstream/buildroot/output/build/host-python3-3.11.1/Modules/_uuidmodule.c:47:1: warning: control reaches end of non-void function [-Wreturn-type]
   47 | }
      | ^
cc1: some warnings being treated as errors

The necessary bits to build these optional modules were not found:
_dbm                 _gdbm                _tkinter
nis                  readline
To find the necessary bits, look in setup.py in detect_modules() for the module's name.

The following modules found by detect_modules() in setup.py have not
been built, they are *disabled* by configure:
_ctypes_test         _sqlite3             _testbuffer
_testcapi            _testimportmultiple   _testinternalcapi
_testmultiphase      _xxtestfuzz

Failed to build these modules:
_uuid
"""

Therefore, let's disable building the _uuid extension the same way it's
done for the target package since commit 0b68713aae28 ("python3: use
pure python UUID backend").

Cc: Quentin Schulz <foss+buildroot@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
---
Only build tested with make host-python3 with raspberrypi4_defconfig configuration.
---
 package/python3/python3.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/python3/python3.mk b/package/python3/python3.mk
index 219d135b3f..fb6dbf2e64 100644
--- a/package/python3/python3.mk
+++ b/package/python3/python3.mk
@@ -31,6 +31,7 @@ HOST_PYTHON3_CONF_OPTS += \
 	--enable-unicodedata \
 	--disable-test-modules \
 	--disable-idle3 \
+	--disable-uuid \
 	--disable-ossaudiodev
 
 # Make sure that LD_LIBRARY_PATH overrides -rpath.

---
base-commit: 26dd70e954a7c9142b078837ab1bbfad54d0e5cb
change-id: 20230207-host-python-libuuid-d600d32f70ae

Best regards,
-- 
Quentin Schulz <quentin.schulz@theobroma-systems.com>
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2023-02-07 15:36 [Buildroot] [PATCH] package/python3: use pure python UUID backend for host variant Quentin Schulz
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