[Openmp-commits] [flang] [llvm] [openmp] Fix Debug Build Using GCC 15 (PR #152223)

[Michael Kruse via Openmp-commits]

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@@ -183,6 +183,10 @@ endif ()
 
 
 if (NOT WIN32)
+  add_definitions(-U_GLIBCXX_ASSERTIONS -D_GLIBCXX_NO_ASSERTIONS)
+  add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions>)
+  add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-O2>)
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Meinersbur wrote:

1. `-U_GLIBCXX_ASSERTIONS` and `fno-exceptions` are already added in AddFlangRT.cmake. `_GLIBCXX_NO_ASSERTIONS` should not be necessary, but could be an alternative to  `-U_GLIBCXX_ASSERTIONS`
2. We prefer [modern CMake](https://hsf-training.github.io/hsf-training-cmake-webpage/04-targets/index.html) style
3. Adding `-O2` overrides the choice of `CMAKE_BUILD_TYPE`. What optimization level to use should be left to the user.

https://github.com/llvm/llvm-project/pull/152223