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meson: Improve/fix Python version selection

When we look for the Python installation using the meson python
module, we should make it use the python program previously determined
by the 'PYTHON' option.  Otherwise, it will just use its own search
and the 'PYTHON' option won't affect it.  We need this to be able to
select the Python installation to build PL/Python against.

Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/3f5427e8-cef6-474d-ae88-13db1bfdc1a7%40eisentraut.org
This commit is contained in:
Peter Eisentraut 2023-11-30 07:22:51 +01:00
parent e255b646a1
commit 489ca33081

View File

@ -1063,7 +1063,7 @@ pyopt = get_option('plpython')
python3_dep = not_found_dep python3_dep = not_found_dep
if not pyopt.disabled() if not pyopt.disabled()
pm = import('python') pm = import('python')
python3_inst = pm.find_installation(required: pyopt) python3_inst = pm.find_installation(python.path(), required: pyopt)
if python3_inst.found() if python3_inst.found()
python3_dep = python3_inst.dependency(embed: true, required: pyopt) python3_dep = python3_inst.dependency(embed: true, required: pyopt)
# Remove this check after we depend on Meson >= 1.1.0 # Remove this check after we depend on Meson >= 1.1.0