7 files changed, 22 insertions, 3 deletions
diff --git a/Modules/CMakePlatformId.h.in b/Modules/CMakePlatformId.h.in
index c0cab71..1dc12c0 100644
--- a/Modules/CMakePlatformId.h.in
+++ b/Modules/CMakePlatformId.h.in
@@ -186,6 +186,9 @@
 # elif defined(__ICC8051__)
 #  define ARCHITECTURE_ID "8051"
 
+# elif defined(__ICCSTM8__)
+#  define ARCHITECTURE_ID "STM8"
+
 # else /* unknown architecture */
 #  define ARCHITECTURE_ID ""
 # endif
diff --git a/Modules/Compiler/IAR-ASM.cmake b/Modules/Compiler/IAR-ASM.cmake
index 936d4ae..e3ca16e 100644
--- a/Modules/Compiler/IAR-ASM.cmake
+++ b/Modules/Compiler/IAR-ASM.cmake
@@ -47,6 +47,11 @@ elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
   __compiler_iar_xlink(ASM)
   set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s51;asm;msa)
 
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "STM8")
+  set(CMAKE_ASM_COMPILE_OBJECT  "<CMAKE_ASM_COMPILER> --silent <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
+  __compiler_iar_ilink(ASM)
+  set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa)
+
 else()
   message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID not detected. This should be automatic.")
 endif()
diff --git a/Modules/Compiler/IAR-C.cmake b/Modules/Compiler/IAR-C.cmake
index e27fdfc..054ee74 100644
--- a/Modules/Compiler/IAR-C.cmake
+++ b/Modules/Compiler/IAR-C.cmake
@@ -70,6 +70,10 @@ elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
   __compiler_check_default_language_standard(C 6.10 90 8.10 99)
   set(CMAKE_C_OUTPUT_EXTENSION ".r51")
 
+elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "STM8")
+  __compiler_iar_ilink(C)
+  __compiler_check_default_language_standard(C 3.11 90 3.11 99)
+
 else()
   message(FATAL_ERROR "CMAKE_C_COMPILER_ARCHITECTURE_ID not detected. This should be automatic.")
 endif()
diff --git a/Modules/Compiler/IAR-CXX.cmake b/Modules/Compiler/IAR-CXX.cmake
index eca89c5..d93b272 100644
--- a/Modules/Compiler/IAR-CXX.cmake
+++ b/Modules/Compiler/IAR-CXX.cmake
@@ -78,6 +78,10 @@ elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "8051")
   __compiler_check_default_language_standard(CXX 6.10 98)
   set(CMAKE_C_OUTPUT_EXTENSION ".r51")
 
+elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "STM8")
+  __compiler_iar_ilink(CXX)
+  __compiler_check_default_language_standard(CXX 3.11 98)
+
 else()
   message(FATAL_ERROR "CMAKE_CXX_COMPILER_ARCHITECTURE_ID not detected. This should be automatic." )
 endif()
diff --git a/Modules/Compiler/IAR-DetermineCompiler.cmake b/Modules/Compiler/IAR-DetermineCompiler.cmake
index 0a026b2..443b09c 100644
--- a/Modules/Compiler/IAR-DetermineCompiler.cmake
+++ b/Modules/Compiler/IAR-DetermineCompiler.cmake
@@ -31,7 +31,7 @@ set(_compiler_id_version_compute "
 #  define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@(((__VER__) / 1000) % 1000)
 #  define @PREFIX@COMPILER_VERSION_PATCH @MACRO_DEC@((__VER__) % 1000)
 #  define @PREFIX@COMPILER_VERSION_INTERNAL @MACRO_DEC@(__IAR_SYSTEMS_ICC__)
-# elif defined(__VER__) && (defined(__ICCAVR__) || defined(__ICCRX__) || defined(__ICCRH850__) || defined(__ICCRL78__) || defined(__ICC430__) || defined(__ICCRISCV__) || defined(__ICCV850__) || defined(__ICC8051__))
+# elif defined(__VER__) && (defined(__ICCAVR__) || defined(__ICCRX__) || defined(__ICCRH850__) || defined(__ICCRL78__) || defined(__ICC430__) || defined(__ICCRISCV__) || defined(__ICCV850__) || defined(__ICC8051__) || defined(__ICCSTM8__))
 #  define @PREFIX@COMPILER_VERSION_MAJOR @MACRO_DEC@((__VER__) / 100)
 #  define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@((__VER__) - (((__VER__) / 100)*100))
 #  define @PREFIX@COMPILER_VERSION_PATCH @MACRO_DEC@(__SUBVERSION__)
diff --git a/Modules/Compiler/IAR-FindBinUtils.cmake b/Modules/Compiler/IAR-FindBinUtils.cmake
index 6ef3759..6c67d34 100644
--- a/Modules/Compiler/IAR-FindBinUtils.cmake
+++ b/Modules/Compiler/IAR-FindBinUtils.cmake
@@ -14,7 +14,8 @@ if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "A
    "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX" OR
    "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RH850" OR
    "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RL78" OR
-   "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RISCV")
+   "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RISCV" OR
+   "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "STM8")
 
   string(TOLOWER "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" _archid_lower)
 
diff --git a/Modules/FindMPI.cmake b/Modules/FindMPI.cmake
index 8cc39ac..195ca49 100644
--- a/Modules/FindMPI.cmake
+++ b/Modules/FindMPI.cmake
@@ -1428,7 +1428,9 @@ foreach(LANG IN ITEMS C CXX Fortran)
     endif()
   else()
     set(_MPI_FIND_${LANG} FALSE)
-    string(APPEND _MPI_FAIL_REASON "MPI component '${LANG}' was requested, but language ${LANG} is not enabled.  ")
+    if(${LANG} IN_LIST MPI_FIND_COMPONENTS)
+      string(APPEND _MPI_FAIL_REASON "MPI component '${LANG}' was requested, but language ${LANG} is not enabled.  ")
+    endif()
   endif()
   if(_MPI_FIND_${LANG})
     if( ${LANG} STREQUAL CXX AND NOT MPICXX IN_LIST MPI_FIND_COMPONENTS )