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dependencies: Don't try to find a binary by "default_path" when cross compiling

This commit is contained in:
Dylan Baker 2020-06-08 12:05:05 -07:00
parent 01e0cc6735
commit 18d8dbd3bd
1 changed files with 7 additions and 4 deletions
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11
mesonbuild/dependencies/base.py
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@ -78,7 +78,8 @@ class DependencyMethods(Enum):
def find_external_program(env: Environment, for_machine: MachineChoice, name: str,
display_name: str, default_names: T.List[str]) -> T.Generator['ExternalProgram', None, None]:
display_name: str, default_names: T.List[str],
allow_default_for_cross: bool = True) -> T.Generator['ExternalProgram', None, None]:
"""Find an external program, chcking the cross file plus any default options."""
# Lookup in cross or machine file.
potential_path = env.lookup_binary_entry(for_machine, name)
@ -90,12 +91,14 @@ def find_external_program(env: Environment, for_machine: MachineChoice, name: st
# stop returning options.
return
mlog.debug('{} binary missing from cross or native file, or env var undefined.'.format(display_name))
# Fallback on hard-coded defaults.
# TODO prefix this for the cross case instead of ignoring thing.
if env.machines.matches_build_machine(for_machine):
# Fallback on hard-coded defaults, if a default binary is allowed for use
# with cross targets, or if this is not a cross target
if allow_default_for_cross or not (for_machine is MachineChoice.HOST and env.is_cross_build(for_machine)):
for potential_path in default_names:
mlog.debug('Trying a default {} fallback at'.format(display_name), potential_path)
yield ExternalProgram(potential_path, silent=True)
else:
mlog.debug('Default target is not allowed for cross use')
class Dependency: