1 # This file is processed when the IAR C++ Compiler is used
3 # C++ Language Specification support
4 # - Newer versions of the IAR C++ Compiler require the --c++ flag to build a C++ file.
5 # Earlier versions for non-ARM architectures provided Embedded C++, enabled with the --eec++ flag.
7 # The IAR Language Extensions
8 # - The IAR Language Extensions can be enabled by -e flag
11 include(Compiler/CMakeCommonCompilerMacros)
13 if(NOT DEFINED CMAKE_CXX_COMPILER_VERSION)
14 message(FATAL_ERROR "CMAKE_CXX_COMPILER_VERSION not detected. This should be automatic.")
17 # Whenever needed, override this default behavior using CMAKE_IAR_CXX_FLAG in your toolchain file.
18 if(NOT CMAKE_IAR_CXX_FLAG)
20 cmake_policy(SET CMP0057 NEW) # if IN_LIST
22 set(_CMAKE_IAR_MODERNCXX_LIST 14 17)
23 if(${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT} IN_LIST _CMAKE_IAR_MODERNCXX_LIST OR
24 ("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM" AND ${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT} EQUAL 98))
25 string(PREPEND CMAKE_CXX_FLAGS "--c++ ")
27 string(PREPEND CMAKE_CXX_FLAGS "--eec++ ")
29 unset(_CMAKE_IAR_MODERNCXX_LIST)
34 set(CMAKE_CXX_STANDARD_COMPILE_OPTION "")
35 set(CMAKE_CXX_EXTENSION_COMPILE_OPTION -e) # Unused after CMP0128
37 set(CMAKE_CXX${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT}_STANDARD_COMPILE_OPTION "")
38 set(CMAKE_CXX${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT}_EXTENSION_COMPILE_OPTION -e)
40 # Architecture specific
41 if("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
42 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5)
43 # IAR C++ Compiler for Arm prior version 5.xx uses XLINK. Support in CMake is not implemented.
44 message(FATAL_ERROR "IAR C++ Compiler for Arm version ${CMAKE_CXX_COMPILER_VERSION} not supported by CMake.")
46 __compiler_iar_ilink(CXX)
47 __compiler_check_default_language_standard(CXX 5.10 98 8.10 14 8.40 17)
49 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX")
50 __compiler_iar_ilink(CXX)
51 __compiler_check_default_language_standard(CXX 2.10 98 4.10 14 4.20 17)
53 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "RH850")
54 __compiler_iar_ilink(CXX)
55 __compiler_check_default_language_standard(CXX 1.10 98 2.10 14 2.21 17)
57 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "RL78")
58 if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2)
59 # # IAR C++ Compiler for RL78 prior version 2.xx uses XLINK. Support in CMake is not implemented.
60 message(FATAL_ERROR "IAR C++ Compiler for RL78 version ${CMAKE_CXX_COMPILER_VERSION} not supported by CMake.")
62 __compiler_iar_ilink(CXX)
63 __compiler_check_default_language_standard(CXX 2.10 98 4.10 14 4.20 17)
65 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "RISCV")
66 __compiler_iar_ilink(CXX)
67 __compiler_check_default_language_standard(CXX 1.10 98 1.10 14 1.21 17)
69 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
70 __compiler_iar_xlink(CXX)
71 __compiler_check_default_language_standard(CXX 7.10 98)
73 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "MSP430")
74 __compiler_iar_xlink(CXX)
75 __compiler_check_default_language_standard(CXX 5.10 98)
76 set(CMAKE_CXX_OUTPUT_EXTENSION ".r43")
78 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850")
79 __compiler_iar_xlink(CXX)
80 __compiler_check_default_language_standard(CXX 1.10 98)
81 set(CMAKE_C_OUTPUT_EXTENSION ".r85")
83 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
84 __compiler_iar_xlink(CXX)
85 __compiler_check_default_language_standard(CXX 6.10 98)
86 set(CMAKE_C_OUTPUT_EXTENSION ".r51")
88 elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "STM8")
89 __compiler_iar_ilink(CXX)
90 __compiler_check_default_language_standard(CXX 3.11 98)
93 message(FATAL_ERROR "CMAKE_CXX_COMPILER_ARCHITECTURE_ID not detected. This should be automatic." )