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Ensure base_prefix is set in a cross-venv. #279

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Merged
merged 1 commit into from
May 1, 2025
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Ensure base_prefix is set in a cross-venv. #279

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6 changes: 6 additions & 0 deletions patch/Python/_cross_target.py.tmpl
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@ import sysconfig
sys.cross_compiling = True
sys.platform = "{{platform}}"
sys.implementation._multiarch = "{{arch}}-{{sdk}}"
sys.base_prefix = sysconfig.get_config_var("prefix")
sys.base_exec_prefix = sysconfig.get_config_var("prefix")

###########################################################################
# subprocess module patches
Expand Down Expand Up @@ -67,5 +69,9 @@ def cross_get_sysconfigdata_name():
sysconfig.get_platform = cross_get_platform
sysconfig._get_sysconfigdata_name = cross_get_sysconfigdata_name

# Ensure module-level values cached at time of import are updated.
sysconfig._BASE_PREFIX = sys.prefix
sysconfig._BASE_EXEC_PREFIX = sys.base_exec_prefix

# Force sysconfig data to be loaded (and cached).
sysconfig._init_config_vars()