/usr/share/llvm-3.5/cmake/HandleLLVMStdlib.cmake is in llvm-3.5-dev 1:3.5-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | # This CMake module is responsible for setting the standard library to libc++
# if the user has requested it.
if(NOT DEFINED LLVM_STDLIB_HANDLED)
set(LLVM_STDLIB_HANDLED ON)
if(CMAKE_COMPILER_IS_GNUCXX)
set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
elseif( MSVC )
set(LLVM_COMPILER_IS_GCC_COMPATIBLE OFF)
elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
endif()
function(append_if condition value)
if(${condition})
foreach(variable ${ARGN})
set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
endforeach(variable)
endif()
endfunction()
include(CheckCXXCompilerFlag)
if(LLVM_ENABLE_LIBCXX)
if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
check_cxx_compiler_flag("-stdlib=libc++" CXX_SUPPORTS_STDLIB)
append_if(CXX_SUPPORTS_STDLIB "-stdlib=libc++" CMAKE_CXX_FLAGS)
append_if(CXX_SUPPORTS_STDLIB "-stdlib=libc++" CMAKE_EXE_LINKER_FLAGS)
append_if(CXX_SUPPORTS_STDLIB "-stdlib=libc++" CMAKE_SHARED_LINKER_FLAGS)
append_if(CXX_SUPPORTS_STDLIB "-stdlib=libc++" CMAKE_MODULE_LINKER_FLAGS)
else()
message(WARNING "Not sure how to specify libc++ for this compiler")
endif()
endif()
endif()
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