config.substitutions.insert(0,
('%clang_cc1',
"""*** Do not use 'clang -cc1' in Driver tests. ***""") )
+
+# Remove harmful environmental variables for clang Driver tests.
+# Some might be useful for other tests so they are only removed here.
+driver_overwrite_env_vars = ['MACOSX_DEPLOYMENT_TARGET',
+ 'IPHONEOS_DEPLOYMENT_TARGET',
+ 'SDKROOT', 'CCC_OVERRIDE_OPTIONS',
+ 'CC_PRINT_OPTIONS', 'CC_PRINT_HEADERS',
+ 'CC_LOG_DIAGNOSTICS']
+
+for name in driver_overwrite_env_vars:
+ if name in config.environment:
+ del config.environment[name]