[CMake] How to Switch to Static Runtime on Command Line?

[Eric Doenges]

By default, CMake will use /EHsc when compiling for the Windows 
platform, with no option to change this that I am aware of. If a project 
wants different settings, it needs to handle this itself. And in fact, 
LLVM 3.4.2 conditionally modifies /EHsc to /EHs-c- in 
cmake/modules/LLVMProcessSources.cmake, so I wouldn't be surprised if 
LLVM 10.0.0 does something similar (I don't have a more recent version 
of LLVM lying about, so I can't check).


To figure out what option(s) you need to set or what files you need to 
modify, you either need to ask the LLVM developers, or dig through the 
LLVM cmake project to figure out what it is doing with the /EHsc option.


Am 28.10.19 um 13:33 schrieb Osman Zakir:
> Alright, thanks.  What about enabling C++ exceptions?  I tried setting 
> LLVM_ENABLE_EH to On, but it didn't help.  Setting CMAKE_CXX_FLAGS to 
> /EHsc doesn't help either.
-- 

*Dr. Eric Dönges*
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