117 lines
3.3 KiB
CMake
117 lines
3.3 KiB
CMake
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# HandleLibcxxFlags - A set of macros used to setup the flags used to compile
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# and link libc++abi. These macros add flags to the following CMake variables.
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# - LIBUNWIND_COMPILE_FLAGS: flags used to compile libunwind
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# - LIBUNWIND_LINK_FLAGS: flags used to link libunwind
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# - LIBUNWIND_LIBRARIES: libraries to link libunwind to.
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include(CheckCCompilerFlag)
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include(CheckCXXCompilerFlag)
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include(HandleFlags)
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unset(add_flag_if_supported)
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# Add a list of flags to 'LIBUNWIND_COMPILE_FLAGS'.
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macro(add_compile_flags)
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foreach(f ${ARGN})
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list(APPEND LIBUNWIND_COMPILE_FLAGS ${f})
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endforeach()
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endmacro()
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# If 'condition' is true then add the specified list of flags to
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# 'LIBUNWIND_COMPILE_FLAGS'
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macro(add_compile_flags_if condition)
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if (${condition})
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add_compile_flags(${ARGN})
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endif()
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endmacro()
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# For each specified flag, add that flag to 'LIBUNWIND_COMPILE_FLAGS' if the
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# flag is supported by the C++ compiler.
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macro(add_compile_flags_if_supported)
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foreach(flag ${ARGN})
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mangle_name("${flag}" flagname)
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check_cxx_compiler_flag("${flag}" "CXX_SUPPORTS_${flagname}_FLAG")
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add_compile_flags_if(CXX_SUPPORTS_${flagname}_FLAG ${flag})
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endforeach()
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endmacro()
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# Add a list of flags to 'LIBUNWIND_C_FLAGS'.
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macro(add_c_flags)
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foreach(f ${ARGN})
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list(APPEND LIBUNWIND_C_FLAGS ${f})
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endforeach()
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endmacro()
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# If 'condition' is true then add the specified list of flags to
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# 'LIBUNWIND_C_FLAGS'
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macro(add_c_flags_if condition)
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if (${condition})
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add_c_flags(${ARGN})
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endif()
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endmacro()
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# Add a list of flags to 'LIBUNWIND_CXX_FLAGS'.
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macro(add_cxx_flags)
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foreach(f ${ARGN})
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list(APPEND LIBUNWIND_CXX_FLAGS ${f})
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endforeach()
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endmacro()
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# If 'condition' is true then add the specified list of flags to
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# 'LIBUNWIND_CXX_FLAGS'
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macro(add_cxx_flags_if condition)
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if (${condition})
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add_cxx_flags(${ARGN})
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endif()
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endmacro()
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# For each specified flag, add that flag to 'LIBUNWIND_CXX_FLAGS' if the
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# flag is supported by the C compiler.
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macro(add_cxx_compile_flags_if_supported)
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foreach(flag ${ARGN})
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mangle_name("${flag}" flagname)
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check_cxx_compiler_flag("${flag}" "CXX_SUPPORTS_${flagname}_FLAG")
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add_cxx_flags_if(CXX_SUPPORTS_${flagname}_FLAG ${flag})
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endforeach()
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endmacro()
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# Add a list of flags to 'LIBUNWIND_LINK_FLAGS'.
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macro(add_link_flags)
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foreach(f ${ARGN})
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list(APPEND LIBUNWIND_LINK_FLAGS ${f})
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endforeach()
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endmacro()
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# If 'condition' is true then add the specified list of flags to
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# 'LIBUNWIND_LINK_FLAGS'
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macro(add_link_flags_if condition)
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if (${condition})
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add_link_flags(${ARGN})
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endif()
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endmacro()
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# For each specified flag, add that flag to 'LIBUNWIND_LINK_FLAGS' if the
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# flag is supported by the C++ compiler.
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macro(add_link_flags_if_supported)
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foreach(flag ${ARGN})
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mangle_name("${flag}" flagname)
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check_cxx_compiler_flag("${flag}" "CXX_SUPPORTS_${flagname}_FLAG")
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add_link_flags_if(CXX_SUPPORTS_${flagname}_FLAG ${flag})
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endforeach()
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endmacro()
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# Add a list of libraries or link flags to 'LIBUNWIND_LIBRARIES'.
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macro(add_library_flags)
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foreach(lib ${ARGN})
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list(APPEND LIBUNWIND_LIBRARIES ${lib})
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endforeach()
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endmacro()
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# if 'condition' is true then add the specified list of libraries and flags
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# to 'LIBUNWIND_LIBRARIES'.
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macro(add_library_flags_if condition)
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if(${condition})
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add_library_flags(${ARGN})
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endif()
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endmacro()
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