[flang-commits] [flang] [flang] Fix flang tests on MacOS (PR #70811)

[Leandro Lupori via flang-commits]

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@@ -5,6 +5,9 @@ a C compiler.
 
 REQUIRES: c-compiler
 
+MacOS doesn't have a separate libm.
+UNSUPPORTED: system-darwin
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luporl wrote:

This test will fail on MacOS only, if `CMAKE_OSX_SYSROOT` is not set.
But CMake tries to set it automatically, if it isn't explicitly set and CMake can find MacOSX.sdk in standard locations.
Actually, even the llvm build uses it when compiling and linking C++ sources.

https://github.com/llvm/llvm-project/pull/70811