36 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
| # This CMake module is responsible for setting the standard library to libc++
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| # if the user has requested it.
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| 
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| include(DetermineGCCCompatible)
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| 
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| if(NOT DEFINED LLVM_STDLIB_HANDLED)
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|   set(LLVM_STDLIB_HANDLED ON)
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| 
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|   function(append value)
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|     foreach(variable ${ARGN})
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|       set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
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|     endforeach(variable)
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|   endfunction()
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| 
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|   include(CheckCXXCompilerFlag)
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|   if(LLVM_ENABLE_LIBCXX)
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|     if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
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|       check_cxx_compiler_flag("-stdlib=libc++" CXX_SUPPORTS_STDLIB)
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|       if(CXX_SUPPORTS_STDLIB)
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|         append("-stdlib=libc++"
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|           CMAKE_CXX_FLAGS CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS
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|           CMAKE_MODULE_LINKER_FLAGS)
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|         if(LLVM_ENABLE_LIBCXXABI)
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|           append("-lc++abi"
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|             CMAKE_EXE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS
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|             CMAKE_MODULE_LINKER_FLAGS)
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|         endif()
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|       else()
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|         message(WARNING "Can't specify libc++ with '-stdlib='")
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|       endif()
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|     else()
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|       message(WARNING "Not sure how to specify libc++ for this compiler")
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|     endif()
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|   endif()
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| endif()
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