1# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
2# file Copyright.txt or https://cmake.org/licensing for details.
3
4
5# This module is shared by multiple languages; use include blocker.
6if(__COMPILER_LLVM_INTEL)
7  return()
8endif()
9set(__COMPILER_LLVM_INTEL 1)
10
11include(Compiler/CMakeCommonCompilerMacros)
12
13set(__pch_header_C "c-header")
14set(__pch_header_CXX "c++-header")
15set(__pch_header_OBJC "objective-c-header")
16set(__pch_header_OBJCXX "objective-c++-header")
17
18if(CMAKE_HOST_WIN32)
19  # MSVC-like
20  macro(__compiler_intel_llvm lang)
21    if(NOT "x${lang}" STREQUAL "xFortran")
22      set(CMAKE_${lang}_COMPILE_OPTIONS_INVALID_PCH -Winvalid-pch)
23    endif()
24  endmacro()
25else()
26  # GNU-like
27  macro(__compiler_intel_llvm lang)
28    set(CMAKE_${lang}_VERBOSE_FLAG "-v")
29
30    string(APPEND CMAKE_${lang}_FLAGS_INIT " ")
31    string(APPEND CMAKE_${lang}_FLAGS_DEBUG_INIT " -g")
32    string(APPEND CMAKE_${lang}_FLAGS_MINSIZEREL_INIT " -Os")
33    string(APPEND CMAKE_${lang}_FLAGS_RELEASE_INIT " -O3")
34    string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -O2 -g")
35
36    set(_CMAKE_${lang}_PIE_MAY_BE_SUPPORTED_BY_LINKER YES)
37    set(CMAKE_${lang}_COMPILE_OPTIONS_PIC "-fPIC")
38    set(CMAKE_${lang}_COMPILE_OPTIONS_PIE "-fPIE")
39    set(CMAKE_${lang}_LINK_OPTIONS_PIE ${CMAKE_${lang}_COMPILE_OPTIONS_PIE} "-pie")
40    set(CMAKE_${lang}_LINK_OPTIONS_NO_PIE "-no-pie")
41
42    set(CMAKE_SHARED_LIBRARY_${lang}_FLAGS "-fPIC")
43    set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-shared")
44
45    set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Wl,")
46    set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP ",")
47
48    # distcc does not transform -o to -MT when invoking the preprocessor
49    # internally, as it ought to.  Work around this bug by setting -MT here
50    # even though it isn't strictly necessary.
51    set(CMAKE_DEPFILE_FLAGS_${lang} "-MD -MT <DEP_TARGET> -MF <DEP_FILE>")
52
53    set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-isystem ")
54    set(CMAKE_${lang}_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
55    set(CMAKE_${lang}_COMPILE_OPTIONS_TARGET "--target=")
56    set(CMAKE_${lang}_COMPILE_OPTIONS_SYSROOT "--sysroot=")
57    set(CMAKE_${lang}_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN "--gcc-toolchain=")
58    set(CMAKE_${lang}_LINKER_WRAPPER_FLAG "-Xlinker" " ")
59    set(CMAKE_${lang}_LINKER_WRAPPER_FLAG_SEP)
60
61    set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
62    set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
63    set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto=thin")
64    set(CMAKE_${lang}_ARCHIVE_CREATE_IPO "\"${CMAKE_${lang}_COMPILER_AR}\" cr <TARGET> <LINK_FLAGS> <OBJECTS>")
65    set(CMAKE_${lang}_ARCHIVE_APPEND_IPO "\"${CMAKE_${lang}_COMPILER_AR}\" r <TARGET> <LINK_FLAGS> <OBJECTS>")
66    set(CMAKE_${lang}_ARCHIVE_FINISH_IPO "\"${CMAKE_${lang}_COMPILER_RANLIB}\" <TARGET>")
67
68    set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
69    set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE "<CMAKE_${lang}_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
70
71    set(CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "${CMAKE_${lang}_COMPILER}")
72    if(CMAKE_${lang}_COMPILER_ARG1)
73      separate_arguments(_COMPILER_ARGS NATIVE_COMMAND "${CMAKE_${lang}_COMPILER_ARG1}")
74      list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND ${_COMPILER_ARGS})
75      unset(_COMPILER_ARGS)
76    endif()
77    list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-dM" "-E" "-c" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp")
78    if(CMAKE_${lang}_COMPILER_TARGET)
79      list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "--target=${CMAKE_${lang}_COMPILER_TARGET}")
80    endif()
81
82    if(NOT "x${lang}" STREQUAL "xFortran")
83      # Precompile Headers
84      set(CMAKE_PCH_EXTENSION .pch)
85      set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
86      set(CMAKE_${lang}_COMPILE_OPTIONS_INSTANTIATE_TEMPLATES_PCH -fpch-instantiate-templates)
87      set(CMAKE_${lang}_COMPILE_OPTIONS_INVALID_PCH -Winvalid-pch)
88      set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Xclang -include-pch -Xclang <PCH_FILE> -Xclang -include -Xclang <PCH_HEADER>)
89      set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Xclang -emit-pch -Xclang -include -Xclang <PCH_HEADER> -x ${__pch_header_${lang}})
90    endif()
91  endmacro()
92endif()
93