SIL: support non-clang compilers again #40298
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The toolchain has traditionally been buildable with clang, cl (MSVC), and gcc. `__has_feature` is a clang-specific directive, ensure that we are portable to other compilers by providing a definition of the macro incase it is not available (which also includes older clang releases).
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CC: @eeckstein |
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@swift-ci please test |
eeckstein
approved these changes
Nov 26, 2021
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The toolchain has traditionally been buildable with clang, cl (MSVC),
and gcc.
__has_featureis a clang-specific directive, ensure that weare portable to other compilers by providing a definition of the macro
incase it is not available (which also includes older clang releases).
Replace this paragraph with a description of your changes and rationale. Provide links to external references/discussions if appropriate.
Resolves SR-NNNN.