forked from OSchip/llvm-project
[Sanitizers][Darwin] Allows '-mtargetos' to used to set minimum deployment target.
Currently, m{platform}-version-min is default flag used to set min deployment target within compilter-rt and sanitizers. However, clang uses flags -target and -mtargetos for setting target triple and minimum deployment targets. -mtargetos will be the preferred flag to set min version in the future and the ${platform}-version-min flag will not be used for future platforms. This change allows darwin platforms to use either ${platform}-min-version or -mtargetos without breaking lit test flags that allows for overriding the default min value in lit tests Tests using flags: 'darwin_min_target_with_tls_support', 'min_macos_deployment_target' will no longer fail if they use mtargetos instead of version-min. rdar://81028225 Differential Revision: https://reviews.llvm.org/D130542
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@ -455,6 +455,10 @@ if config.host_os == 'Darwin':
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for vers in min_macos_deployment_target_substitutions:
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flag = config.apple_platform_min_deployment_target_flag
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major, minor = get_macos_aligned_version(vers)
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if 'mtargetos' in flag:
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sim = '-simulator' if 'sim' in config.apple_platform else ''
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config.substitutions.append( ('%%min_macos_deployment_target=%s.%s' % vers, '{}{}.{}{}'.format(flag, major, minor, sim)) )
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else:
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config.substitutions.append( ('%%min_macos_deployment_target=%s.%s' % vers, '{}={}.{}'.format(flag, major, minor)) )
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else:
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for vers in min_macos_deployment_target_substitutions:
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