tree d145a2f32c2c35483cc45023925b17102f69515a
parent 1a1c778f8e0b7ecdf3af9e59a6f33eb4d7d3900e
author Wan-Teh Chang <wtc@google.com> 1721169406 -0700
committer GitHub <noreply@github.com> 1721169406 -0700
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Support compiling with clang-cl

Instead of testing
    CMAKE_C_COMPILER_ID MATCHES "MSVC"
test the cmake variable MSVC.

Exclude /source-charset:utf-8 /execution-charset:us-ascii from clang-cl
because clang-cl does not support /execution-charset:us-ascii and
/source-charset:utf-8 is the only /source-charset option clang-cl
supports.

Define _CRT_NONSTDC_NO_WARNINGS and _CRT_SECURE_NO_WARNINGS to disable
deprecation warnings about POSIX function names and less secure
functions in Microsoft CRT. I don't know why genuine MSVC doesn't warn
about these functions.