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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# This module is shared by multiple languages; use include blocker.
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if(__COMPILER_IBMClang)
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return()
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endif()
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set(__COMPILER_IBMClang 1)
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include(Compiler/CMakeCommonCompilerMacros)
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set(__pch_header_C "c-header")
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set(__pch_header_CXX "c++-header")
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set(__pch_header_OBJC "objective-c-header")
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set(__pch_header_OBJCXX "objective-c++-header")
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include(Compiler/GNU)
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macro(__compiler_ibmclang lang)
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__compiler_gnu(${lang})
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# Feature flags.
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set(CMAKE_${lang}_VERBOSE_FLAG "-v")
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC")
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set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIC")
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set(CMAKE_${lang}_RESPONSE_FILE_FLAG "@")
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set(CMAKE_${lang}_RESPONSE_FILE_LINK_FLAG "@")
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set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
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set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
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set(CMAKE_${lang}_COMPILE_OPTIONS_TARGET "--target=")
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set(CMAKE_${lang}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "--gcc-toolchain=")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Xlinker" " ")
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set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP)
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if(CMAKE_${lang}_COMPILER_TARGET AND "${lang}" STREQUAL "CXX")
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list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "--target=${CMAKE_${lang}_COMPILER_TARGET}")
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endif()
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set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
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set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
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# Thin LTO is not yet supported on AIX.
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if(NOT (CMAKE_SYSTEM_NAME STREQUAL "AIX"))
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set(_CMAKE_LTO_THIN TRUE)
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endif()
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if(_CMAKE_LTO_THIN)
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set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto=thin")
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else()
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set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto")
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endif()
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set(__ar "${CMAKE_${lang}_COMPILER_AR}")
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set(__ranlib "${CMAKE_${lang}_COMPILER_RANLIB}")
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set(CMAKE_${lang}_ARCHIVE_CREATE_IPO
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"\"${__ar}\" cr <TARGET> <LINK_FLAGS> <OBJECTS>"
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)
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set(CMAKE_${lang}_ARCHIVE_APPEND_IPO
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"\"${__ar}\" r <TARGET> <LINK_FLAGS> <OBJECTS>"
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)
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set(CMAKE_${lang}_ARCHIVE_FINISH_IPO
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"\"${__ranlib}\" <TARGET>"
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)
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if("${lang}" STREQUAL "CXX")
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list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-dM" "-E" "-c" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp")
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endif()
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set(CMAKE_PCH_EXTENSION .pch)
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set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
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set(CMAKE_${lang}_COMPILE_OPTIONS_INSTANTIATE_TEMPLATES_PCH -fpch-instantiate-templates)
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set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Xclang -include-pch -Xclang <PCH_FILE> -Xclang -include -Xclang <PCH_HEADER>)
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set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Xclang -emit-pch -Xclang -include -Xclang <PCH_HEADER> -x ${__pch_header_${lang}})
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endmacro()
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