1# This file is processed when the IAR C Compiler is used
2#
3# C Language Specification support
4#  - Newer versions of the IAR C Compiler require the --c89 flag to build a file under the C90 standard.
5#  - Earlier versions of the compiler had C90 by default, not requiring the backward-compatibility flag.
6#
7# The IAR Language Extensions
8#  - The IAR Language Extensions can be enabled by -e flag
9#
10include(Compiler/IAR)
11include(Compiler/CMakeCommonCompilerMacros)
12
13if(NOT DEFINED CMAKE_C_COMPILER_VERSION)
14  message(FATAL_ERROR "CMAKE_C_COMPILER_VERSION not detected.  This should be automatic.")
15endif()
16
17# Unused after CMP0128
18set(CMAKE_C_EXTENSION_COMPILE_OPTION -e)
19
20if(CMAKE_C_COMPILER_VERSION_INTERNAL VERSION_GREATER 7)
21  set(CMAKE_C90_STANDARD_COMPILE_OPTION --c89)
22  set(CMAKE_C90_EXTENSION_COMPILE_OPTION --c89 -e)
23else()
24  set(CMAKE_C90_STANDARD_COMPILE_OPTION "")
25  set(CMAKE_C90_EXTENSION_COMPILE_OPTION -e)
26endif()
27
28set(CMAKE_C${CMAKE_C_STANDARD_COMPUTED_DEFAULT}_STANDARD_COMPILE_OPTION "")
29set(CMAKE_C${CMAKE_C_STANDARD_COMPUTED_DEFAULT}_EXTENSION_COMPILE_OPTION -e)
30
31# Architecture specific
32if("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
33  if (CMAKE_C_COMPILER_VERSION VERSION_LESS 5)
34    # IAR C Compiler for Arm prior version 5.xx uses XLINK. Support in CMake is not implemented.
35    message(FATAL_ERROR "IAR C Compiler for Arm version ${CMAKE_C_COMPILER_VERSION} not supported by CMake.")
36  endif()
37  __compiler_iar_ilink(C)
38  __compiler_check_default_language_standard(C 5.10 90 6.10 99 8.10 11 8.40 17)
39
40elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX")
41  __compiler_iar_ilink(C)
42  __compiler_check_default_language_standard(C 1.10 90 2.10 99 4.10 11 4.20 17)
43
44elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "RH850")
45  __compiler_iar_ilink(C)
46  __compiler_check_default_language_standard(C 1.10 90 1.10 99 2.10 11 2.21 17)
47
48elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "RL78")
49  if(CMAKE_C_COMPILER_VERSION VERSION_LESS 2)
50    # IAR C Compiler for RL78 prior version 2.xx uses XLINK. Support in CMake is not implemented.
51    message(FATAL_ERROR "IAR C Compiler for RL78 version ${CMAKE_C_COMPILER_VERSION} not supported by CMake.")
52  endif()
53  __compiler_iar_ilink(C)
54  __compiler_check_default_language_standard(C 2.10 90 2.10 99 4.10 11 4.20 17)
55
56elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "RISCV")
57  __compiler_iar_ilink(C)
58  __compiler_check_default_language_standard(C 1.10 90 1.10 99 1.10 11 1.21 17)
59
60elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
61  __compiler_iar_xlink(C)
62  __compiler_check_default_language_standard(C 7.10 99)
63  set(CMAKE_C_OUTPUT_EXTENSION ".r90")
64
65elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "MSP430")
66  __compiler_iar_xlink(C)
67  __compiler_check_default_language_standard(C 1.10 90 5.10 99)
68  set(CMAKE_C_OUTPUT_EXTENSION ".r43")
69
70elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "V850")
71  __compiler_iar_xlink(C)
72  __compiler_check_default_language_standard(C 1.10 90 4.10 99)
73  set(CMAKE_C_OUTPUT_EXTENSION ".r85")
74
75elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
76  __compiler_iar_xlink(C)
77  __compiler_check_default_language_standard(C 6.10 90 8.10 99)
78  set(CMAKE_C_OUTPUT_EXTENSION ".r51")
79
80elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "STM8")
81  __compiler_iar_ilink(C)
82  __compiler_check_default_language_standard(C 3.11 90 3.11 99)
83
84else()
85  message(FATAL_ERROR "CMAKE_C_COMPILER_ARCHITECTURE_ID not detected. This should be automatic.")
86endif()
87