gbe_fork/cmake/share/cmake-3.27/Modules/Compiler/IBMClang.cmake

85 lines
2.7 KiB
CMake

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