21 files changed, 194 insertions, 139 deletions
diff --git a/Modules/CMakeDetermineASMCompiler.cmake b/Modules/CMakeDetermineASMCompiler.cmake
index b8c8c5d..eabb8b5 100644
--- a/Modules/CMakeDetermineASMCompiler.cmake
+++ b/Modules/CMakeDetermineASMCompiler.cmake
@@ -119,35 +119,40 @@ if(NOT CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
   CMAKE_DETERMINE_COMPILER_ID_VENDOR(ASM${ASM_DIALECT} "${userflags}")
   if("x${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}" STREQUAL "xIAR")
     # primary necessary to detect architecture, so the right archiver and linker can be picked
-    # eg. IAR Assembler V8.10.1.12857/W32 for ARM
+    # eg. "IAR Assembler V8.10.1.12857/W32 for ARM" or "IAR Assembler V4.11.1.4666 for Renesas RX"
     # Cut out identification first, newline handling is a pain
     string(REGEX MATCH "IAR Assembler[^\r\n]*" _compileid "${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_OUTPUT}")
     if("${_compileid}" MATCHES "V([0-9]+\\.[0-9]+\\.[0-9]+)")
       set(CMAKE_ASM${ASM_DIALECT}_COMPILER_VERSION ${CMAKE_MATCH_1})
     endif()
-    if("${_compileid}" MATCHES "for[ ]+([A-Za-z0-9]+)")
-      set(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID ${CMAKE_MATCH_1})
+    string(REGEX MATCHALL "([A-Za-z0-9]+)" _all_compileid_matches "${_compileid}")
+    if(_all_compileid_matches)
+      list(GET _all_compileid_matches "-1" CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID)
     endif()
   endif()
   unset(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID_OUTPUT)
+  unset(_all_compileid_matches)
   unset(_compileid)
 endif()
 
-
 if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ID)
   if(CMAKE_ASM${ASM_DIALECT}_COMPILER_VERSION)
     set(_version " ${CMAKE_ASM${ASM_DIALECT}_COMPILER_VERSION}")
   else()
     set(_version "")
   endif()
-  message(STATUS "The ASM${ASM_DIALECT} compiler identification is ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}${_version}")
+  if(CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID)
+    set(_archid " ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}")
+  else()
+    set(_archid "")
+  endif()
+  message(STATUS "The ASM${ASM_DIALECT} compiler identification is ${CMAKE_ASM${ASM_DIALECT}_COMPILER_ID}${_archid}${_version}")
+  unset(_archid)
   unset(_version)
 else()
   message(STATUS "The ASM${ASM_DIALECT} compiler identification is unknown")
 endif()
 
-
-
 # If we have a gas/as cross compiler, they have usually some prefix, like
 # e.g. powerpc-linux-gas, arm-elf-gas or i586-mingw32msvc-gas , optionally
 # with a 3-component version number at the end
diff --git a/Modules/CMakeDetermineCompilerId.cmake b/Modules/CMakeDetermineCompilerId.cmake
index 594f85b..c1c9982 100644
--- a/Modules/CMakeDetermineCompilerId.cmake
+++ b/Modules/CMakeDetermineCompilerId.cmake
@@ -110,8 +110,15 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
     else()
       set(_version "")
     endif()
+    if(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID)
+      set(_archid " ${CMAKE_${lang}_COMPILER_ARCHITECTURE_ID}")
+    else()
+      set(_archid "")
+    endif()
     message(STATUS "The ${lang} compiler identification is "
-      "${CMAKE_${lang}_COMPILER_ID}${_version}")
+      "${CMAKE_${lang}_COMPILER_ID}${_archid}${_version}")
+    unset(_archid)
+    unset(_version)
   else()
     message(STATUS "The ${lang} compiler identification is unknown")
   endif()
diff --git a/Modules/CMakePlatformId.h.in b/Modules/CMakePlatformId.h.in
index 3cb7f24..c88094a 100644
--- a/Modules/CMakePlatformId.h.in
+++ b/Modules/CMakePlatformId.h.in
@@ -156,6 +156,9 @@
 # if defined(__ICCARM__)
 #  define ARCHITECTURE_ID "ARM"
 
+# elif defined(__ICCRX__)
+#  define ARCHITECTURE_ID "RX"
+
 # elif defined(__ICCAVR__)
 #  define ARCHITECTURE_ID "AVR"
 
diff --git a/Modules/Compiler/AppleClang-CXX.cmake b/Modules/Compiler/AppleClang-CXX.cmake
index e5fd647..d34d494 100644
--- a/Modules/Compiler/AppleClang-CXX.cmake
+++ b/Modules/Compiler/AppleClang-CXX.cmake
@@ -8,6 +8,7 @@ endif()
 if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.0)
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
 
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
diff --git a/Modules/Compiler/Clang-C.cmake b/Modules/Compiler/Clang-C.cmake
index ff51d30..0448965 100644
--- a/Modules/Compiler/Clang-C.cmake
+++ b/Modules/Compiler/Clang-C.cmake
@@ -23,12 +23,15 @@ if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
     # clang-cl doesn't have any of these
     set(CMAKE_C90_STANDARD_COMPILE_OPTION "")
     set(CMAKE_C90_EXTENSION_COMPILE_OPTION "")
+    set(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT ON)
 
     set(CMAKE_C99_STANDARD_COMPILE_OPTION "")
     set(CMAKE_C99_EXTENSION_COMPILE_OPTION "")
+    set(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT ON)
 
     set(CMAKE_C11_STANDARD_COMPILE_OPTION "")
     set(CMAKE_C11_EXTENSION_COMPILE_OPTION "")
+    set(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT ON)
   endif()
 endif()
 
diff --git a/Modules/Compiler/Clang-CXX.cmake b/Modules/Compiler/Clang-CXX.cmake
index e99011b..34ffd66 100644
--- a/Modules/Compiler/Clang-CXX.cmake
+++ b/Modules/Compiler/Clang-CXX.cmake
@@ -19,6 +19,7 @@ if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
   if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.1)
     set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
     set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
+    set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 2.1)
     set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
     set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
@@ -59,6 +60,7 @@ elseif(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 3.9
   # support for -std: flags.
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
   set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std:c++14")
diff --git a/Modules/Compiler/GNU-CXX.cmake b/Modules/Compiler/GNU-CXX.cmake
index 0058223..7202607 100644
--- a/Modules/Compiler/GNU-CXX.cmake
+++ b/Modules/Compiler/GNU-CXX.cmake
@@ -19,6 +19,7 @@ endif()
 if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
 elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
   # 4.3 supports 0x variants
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
diff --git a/Modules/Compiler/IAR-ASM.cmake b/Modules/Compiler/IAR-ASM.cmake
index e12bfd1..f9c0ced 100644
--- a/Modules/Compiler/IAR-ASM.cmake
+++ b/Modules/Compiler/IAR-ASM.cmake
@@ -3,21 +3,20 @@
 include(Compiler/IAR)
 
 if("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
-set(CMAKE_ASM_COMPILE_OBJECT  "<CMAKE_ASM_COMPILER> -S <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
-  __compiler_iar_ARM(ASM)
+  set(CMAKE_ASM_COMPILE_OBJECT  "<CMAKE_ASM_COMPILER> -S <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
+  __compiler_iar_ilink(ASM)
   set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s;asm;msa)
 
-  string(APPEND CMAKE_ASM_FLAGS_INIT " ")
-  string(APPEND CMAKE_ASM_FLAGS_DEBUG_INIT " -r")
-  string(APPEND CMAKE_ASM_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
-  string(APPEND CMAKE_ASM_FLAGS_RELEASE_INIT " -DNDEBUG")
-  string(APPEND CMAKE_ASM_FLAGS_RELWITHDEBINFO_INIT " -r -DNDEBUG")
+elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX")
+  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)
 
 elseif("${CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
   set(CMAKE_ASM_COMPILE_OBJECT  "<CMAKE_ASM_COMPILER> -S <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
-  __compiler_iar_AVR(ASM)
+  __compiler_iar_xlink(ASM)
   set(CMAKE_ASM_SOURCE_FILE_EXTENSIONS s90;asm;msa)
 
 else()
-  message(FATAL_ERROR "CMAKE_ASM${ASM_DIALECT}_COMPILER_ARCHITECTURE_ID not detected as \"AVR\" or \"ARM\".  This should be automatic.")
+  message(FATAL_ERROR "CMAKE_ASM${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 b5e61f0..cb10020 100644
--- a/Modules/Compiler/IAR-C.cmake
+++ b/Modules/Compiler/IAR-C.cmake
@@ -3,44 +3,39 @@
 include(Compiler/IAR)
 include(Compiler/CMakeCommonCompilerMacros)
 
-# The toolchains for ARM and AVR are quite different:
-if("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
-  if(NOT CMAKE_C_COMPILER_VERSION)
-    message(FATAL_ERROR "CMAKE_C_COMPILER_VERSION not detected.  This should be automatic.")
-  endif()
+# Common
+if(NOT CMAKE_C_COMPILER_VERSION)
+  message(FATAL_ERROR "CMAKE_C_COMPILER_VERSION not detected.  This should be automatic.")
+endif()
 
-  set(CMAKE_C_EXTENSION_COMPILE_OPTION -e)
+set(CMAKE_C_EXTENSION_COMPILE_OPTION -e)
 
+if(CMAKE_CXX_COMPILER_VERSION_INTERNAL VERSION_GREATER 7)
+  set(CMAKE_C90_STANDARD_COMPILE_OPTION --c89)
+  set(CMAKE_C90_EXTENSION_COMPILE_OPTION --c89 -e)
+  set(CMAKE_C99_STANDARD_COMPILE_OPTION "")
+  set(CMAKE_C99_EXTENSION_COMPILE_OPTION -e)
+elseif()
   set(CMAKE_C90_STANDARD_COMPILE_OPTION "")
   set(CMAKE_C90_EXTENSION_COMPILE_OPTION -e)
+endif()
 
-  if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 6.10)
-    set(CMAKE_C90_STANDARD_COMPILE_OPTION --c89)
-    set(CMAKE_C90_EXTENSION_COMPILE_OPTION --c89 -e)
-    set(CMAKE_C99_STANDARD_COMPILE_OPTION "")
-    set(CMAKE_C99_EXTENSION_COMPILE_OPTION -e)
-  endif()
-  if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.10)
-    set(CMAKE_C11_STANDARD_COMPILE_OPTION "")
-    set(CMAKE_C11_EXTENSION_COMPILE_OPTION -e)
-  endif()
+if(CMAKE_CXX_COMPILER_VERSION_INTERNAL VERSION_GREATER 8)
+  set(CMAKE_C11_STANDARD_COMPILE_OPTION "")
+  set(CMAKE_C11_EXTENSION_COMPILE_OPTION -e)
+endif()
 
-  __compiler_iar_ARM(C)
+# Architecture specific
+if("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
+  __compiler_iar_ilink(C)
   __compiler_check_default_language_standard(C 1.10 90 6.10 99 8.10 11)
 
-elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
-  if(NOT CMAKE_C_COMPILER_VERSION)
-    message(FATAL_ERROR "CMAKE_C_COMPILER_VERSION not detected.  This should be automatic.")
-  endif()
-
-  set(CMAKE_C_EXTENSION_COMPILE_OPTION -e)
-
-  set(CMAKE_C90_STANDARD_COMPILE_OPTION --c89)
-  set(CMAKE_C90_EXTENSION_COMPILE_OPTION -e)
-  set(CMAKE_C99_STANDARD_COMPILE_OPTION "")
-  set(CMAKE_C99_EXTENSION_COMPILE_OPTION -e)
+elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX")
+  __compiler_iar_ilink(C)
+  __compiler_check_default_language_standard(C 1.10 90 2.10 99 4.10 11)
 
-  __compiler_iar_AVR(C)
+elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
+  __compiler_iar_xlink(C)
   __compiler_check_default_language_standard(C 7.10 99)
   set(CMAKE_C_OUTPUT_EXTENSION ".r90")
 
@@ -48,9 +43,6 @@ elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
     set(CMAKE_C_LINK_FLAGS "-Fmotorola")
   endif()
 
-  set(CMAKE_C_LINK_EXECUTABLE "<CMAKE_LINKER> <OBJECTS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES> -o <TARGET>")
-  set(CMAKE_C_CREATE_STATIC_LIBRARY "<CMAKE_AR> -o <TARGET> <OBJECTS> ")
-
   # add the target specific include directory:
   get_filename_component(_compilerDir "${CMAKE_C_COMPILER}" PATH)
   get_filename_component(_compilerDir "${_compilerDir}" PATH)
@@ -58,5 +50,5 @@ elseif("${CMAKE_C_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
   include_directories("${_compilerDir}/inc/Atmel" )
 
 else()
-  message(FATAL_ERROR "CMAKE_C_COMPILER_ARCHITECTURE_ID not detected as \"AVR\" or \"ARM\".  This should be automatic.")
+  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 b7076f5..eb27e3c 100644
--- a/Modules/Compiler/IAR-CXX.cmake
+++ b/Modules/Compiler/IAR-CXX.cmake
@@ -3,60 +3,45 @@
 include(Compiler/IAR)
 include(Compiler/CMakeCommonCompilerMacros)
 
-if("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
-  # "(extended) embedded C++" Mode
-  # old version: --ec++ or --eec++
-  # since 8.10:  --c++ --no_exceptions --no_rtti
-  #
-  # --c++ is full C++ and supported since 6.10
-  if(NOT CMAKE_IAR_CXX_FLAG)
-    if(NOT CMAKE_CXX_COMPILER_VERSION)
-      message(FATAL_ERROR "CMAKE_CXX_COMPILER_VERSION not detected.  This should be automatic.")
-    endif()
-    if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.10)
-      set(CMAKE_IAR_CXX_FLAG --c++)
-    else()
-      set(CMAKE_IAR_CXX_FLAG --eec++)
-    endif()
+# Common
+if(NOT CMAKE_IAR_CXX_FLAG)
+  if(NOT CMAKE_CXX_COMPILER_VERSION)
+    message(FATAL_ERROR "CMAKE_CXX_COMPILER_VERSION not detected. This should be automatic.")
+  endif()
+  if(CMAKE_CXX_COMPILER_VERSION_INTERNAL VERSION_GREATER 8)
+    set(CMAKE_IAR_CXX_FLAG --c++)
+  else()
+    set(CMAKE_IAR_CXX_FLAG --eec++)
   endif()
+endif()
 
-  set(CMAKE_CXX_EXTENSION_COMPILE_OPTION -e)
+set(CMAKE_CXX_EXTENSION_COMPILE_OPTION -e)
 
+if(CMAKE_CXX_COMPILER_VERSION_INTERNAL VERSION_GREATER 7)
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION -e)
-
-  if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.10)
   set(CMAKE_CXX03_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX03_EXTENSION_COMPILE_OPTION -e)
+endif()
+
+if(CMAKE_CXX_COMPILER_VERSION_INTERNAL VERSION_GREATER 8)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION -e)
   set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION -e)
-  endif()
+endif()
 
-  __compiler_iar_ARM(CXX)
+# Architecture specific
+if("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
+  __compiler_iar_ilink(CXX)
   __compiler_check_default_language_standard(CXX 6.10 98 8.10 14)
 
-elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
-  # "embedded C++" --EC++ is probably closest to CXX98 but with no support for:
-  #  Templates, multiple inheritance, virtual inheritance, exceptions, RTTI, C++ style casts,
-  #  Namespaces, the mutable attribute, no STL, any library features related to the above features.
-  #
-  # "(extended) embedded C++" --EEC++ Mode but DOES NOT support any normal C++ standard
-  # probably closest to CXX98 but with no RTTI and no exceptions, and the library
-  # provided is not in the standard namespace
-  if(NOT CMAKE_IAR_CXX_FLAG)
-    if(NOT CMAKE_CXX_COMPILER_VERSION)
-      message(FATAL_ERROR "CMAKE_CXX_COMPILER_VERSION not detected.  This should be automatic.")
-    endif()
-    set(CMAKE_IAR_CXX_FLAG --eec++)
-  endif()
+elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX")
+  __compiler_iar_ilink(CXX)
+  __compiler_check_default_language_standard(CXX 2.10 98 4.10 14)
 
-  set(CMAKE_CXX_EXTENSION_COMPILE_OPTION -e)
-  set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
-  set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION -e)
-
-  __compiler_iar_AVR(CXX)
+elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
+  __compiler_iar_xlink(CXX)
   __compiler_check_default_language_standard(CXX 7.10 98)
 
   set(CMAKE_CXX_OUTPUT_EXTENSION ".r90")
@@ -64,15 +49,12 @@ elseif("${CMAKE_CXX_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
     set(CMAKE_CXX_LINK_FLAGS "-Fmotorola")
   endif()
 
-  set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_LINKER> <OBJECTS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES> -o <TARGET>")
-  set(CMAKE_CXX_CREATE_STATIC_LIBRARY "<CMAKE_AR> -o <TARGET> <OBJECTS> ")
-
   # add the target specific include directory:
   get_filename_component(_compilerDir "${CMAKE_C_COMPILER}" PATH)
   get_filename_component(_compilerDir "${_compilerDir}" PATH)
-  include_directories("${_compilerDir}/inc")
-  include_directories("${_compilerDir}/inc/Atmel")
+  include_directories("${_compilerDir}/inc" )
+  include_directories("${_compilerDir}/inc/Atmel" )
 
 else()
-  message(FATAL_ERROR "CMAKE_CXX_COMPILER_ARCHITECTURE_ID not detected as \"AVR\" or \"ARM\".  This should be automatic." )
+  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 43477ac..cdfb095 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__)
+# elif defined(__VER__) && (defined(__ICCAVR__) || defined(__ICCRX__))
 #  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 5fecb26..e8f5e6b 100644
--- a/Modules/Compiler/IAR-FindBinUtils.cmake
+++ b/Modules/Compiler/IAR-FindBinUtils.cmake
@@ -10,39 +10,39 @@ get_filename_component(__iar_hint_2 "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPI
 
 set(__iar_hints "${__iar_hint_1}" "${__iar_hint_2}")
 
-if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM")
-  # could allow using normal binutils ar, since objects are normal ELF files?
-  find_program(CMAKE_IAR_LINKARM ilinkarm.exe HINTS ${__iar_hints}
-      DOC "The IAR ARM linker")
+if("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "ARM" OR
+   "${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "RX")
+   # could allow using normal binutils ar, since objects are normal ELF files?
+  find_program(CMAKE_IAR_LINKER ilink${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}.exe HINTS ${__iar_hints}
+      DOC "The IAR ILINK linker")
   find_program(CMAKE_IAR_ARCHIVE iarchive.exe HINTS ${__iar_hints}
       DOC "The IAR archiver")
 
   # find auxiliary tools
   find_program(CMAKE_IAR_ELFTOOL ielftool.exe HINTS ${__iar_hints}
       DOC "The IAR ELF Tool")
-    find_program(CMAKE_IAR_ELFDUMP ielfdumparm.exe HINTS ${__iar_hints}
+    find_program(CMAKE_IAR_ELFDUMP ielfdump${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}.exe HINTS ${__iar_hints}
       DOC "The IAR ELF Dumper")
   find_program(CMAKE_IAR_OBJMANIP iobjmanip.exe HINTS ${__iar_hints}
       DOC "The IAR ELF Object Tool")
   find_program(CMAKE_IAR_SYMEXPORT isymexport.exe HINTS ${__iar_hints}
       DOC "The IAR Absolute Symbol Exporter")
-  mark_as_advanced(CMAKE_IAR_LINKARM CMAKE_IAR_ARCHIVE CMAKE_IAR_ELFTOOL CMAKE_IAR_ELFDUMP CMAKE_IAR_OBJMANIP CMAKE_IAR_SYMEXPORT)
+  mark_as_advanced(CMAKE_IAR_LINKER CMAKE_IAR_ARCHIVE CMAKE_IAR_ELFTOOL CMAKE_IAR_ELFDUMP CMAKE_IAR_OBJMANIP CMAKE_IAR_SYMEXPORT)
 
   set(CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_CUSTOM_CODE
-"set(CMAKE_IAR_LINKARM \"${CMAKE_IAR_LINKARM}\")
+"set(CMAKE_IAR_LINKER \"${CMAKE_IAR_LINKER}\")
 set(CMAKE_IAR_ARCHIVE \"${CMAKE_IAR_ARCHIVE}\")
 set(CMAKE_IAR_ELFTOOL \"${CMAKE_IAR_ELFTOOL}\")
 set(CMAKE_IAR_ELFDUMP \"${CMAKE_IAR_ELFDUMP}\")
 set(CMAKE_IAR_OBJMANIP \"${CMAKE_IAR_OBJMANIP}\")
-set(CMAKE_IAR_LINKARM \"${CMAKE_IAR_LINKARM}\")
+set(CMAKE_IAR_LINKER \"${CMAKE_IAR_LINKER}\")
 ")
 
-
 elseif("${CMAKE_${_CMAKE_PROCESSING_LANGUAGE}_COMPILER_ARCHITECTURE_ID}" STREQUAL "AVR")
 
   # For AVR and AVR32, IAR uses the "xlink" linker and the "xar" archiver:
   find_program(CMAKE_IAR_LINKER xlink.exe HINTS ${__iar_hints}
-      DOC "The IAR AVR linker")
+      DOC "The IAR XLINK linker")
   find_program(CMAKE_IAR_AR xar.exe HINTS ${__iar_hints}
       DOC "The IAR archiver")
   mark_as_advanced(CMAKE_IAR_LINKER CMAKE_IAR_AR)
diff --git a/Modules/Compiler/IAR.cmake b/Modules/Compiler/IAR.cmake
index bbcdea2..8e75caa 100644
--- a/Modules/Compiler/IAR.cmake
+++ b/Modules/Compiler/IAR.cmake
@@ -2,11 +2,16 @@
 # Documentation can be downloaded here: http://www.iar.com/website1/1.0.1.0/675/1/
 # The initial feature request is here: https://gitlab.kitware.com/cmake/cmake/issues/10176
 # It also contains additional links and information.
-# See USER GUIDES -> C/C++ Development Guide and ReleaseNotes for:
+# See USER GUIDES -> C/C++ Development Guide and ReleaseNotes for EWARM:
 # version 6.30.8: http://supp.iar.com/FilesPublic/UPDINFO/006607/arm/doc/infocenter/index.ENU.html
 # version 7.60.1: http://supp.iar.com/FilesPublic/UPDINFO/011006/arm/doc/infocenter/index.ENU.html
 # version 8.10.1: http://netstorage.iar.com/SuppDB/Public/UPDINFO/011854/arm/doc/infocenter/index.ENU.html
 
+# The IAR internal compiler platform generations (Predefined symbol __IAR_SYSTEMS_ICC__):
+#  9 and higher means C11 and C++14 as language default (EWARM v8.x, EWRX v4.x and higher)
+#  8 means C99 and C++03 as language default (EWARM v6.x, v7.x. EWRX v2.x, 3.x)
+#  7 and lower means C89 and EC++ as language default. (EWARM v5.x and lower)
+
 # C/C++ Standard versions
 #
 # IAR typically only supports one C and C++ Standard version,
@@ -33,15 +38,11 @@
 # code and data size printouts (that can be inspected with common tools).
 
 # This module is shared by multiple languages; use include blocker.
-if(_IARARM_CMAKE_LOADED)
-  return()
-endif()
-set(_IARARM_CMAKE_LOADED 1)
+include_guard()
 
-macro(__compiler_iar_ARM lang)
+macro(__compiler_iar_ilink lang)
   set(CMAKE_EXECUTABLE_SUFFIX ".elf")
   if (${lang} STREQUAL "C" OR ${lang} STREQUAL "CXX")
-
     set(CMAKE_${lang}_COMPILE_OBJECT             "<CMAKE_${lang}_COMPILER> ${CMAKE_IAR_${lang}_FLAG} --silent <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
     set(CMAKE_${lang}_CREATE_PREPROCESSED_SOURCE "<CMAKE_${lang}_COMPILER> ${CMAKE_IAR_${lang}_FLAG} --silent <SOURCE> <DEFINES> <INCLUDES> <FLAGS> --preprocess=cnl <PREPROCESSED_SOURCE>")
     set(CMAKE_${lang}_CREATE_ASSEMBLY_SOURCE     "<CMAKE_${lang}_COMPILER> ${CMAKE_IAR_${lang}_FLAG} --silent <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -lAH <ASSEMBLY_SOURCE> -o <OBJECT>.dummy")
@@ -56,17 +57,25 @@ macro(__compiler_iar_ARM lang)
     string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -Oh -r -DNDEBUG")
   endif()
 
-  set(CMAKE_${lang}_LINK_EXECUTABLE "\"${CMAKE_IAR_LINKARM}\" --silent <OBJECTS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES> -o <TARGET>")
+  if (${lang} STREQUAL "ASM")
+    string(APPEND CMAKE_ASM_FLAGS_INIT " ")
+    string(APPEND CMAKE_ASM_FLAGS_DEBUG_INIT " -r")
+    string(APPEND CMAKE_ASM_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
+    string(APPEND CMAKE_ASM_FLAGS_RELEASE_INIT " -DNDEBUG")
+    string(APPEND CMAKE_ASM_FLAGS_RELWITHDEBINFO_INIT " -r -DNDEBUG")
+  endif()
+
+  set(CMAKE_${lang}_LINK_EXECUTABLE "\"${CMAKE_IAR_LINKER}\" --silent <OBJECTS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES> -o <TARGET>")
   set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "\"${CMAKE_IAR_ARCHIVE}\" <TARGET> --create <LINK_FLAGS> <OBJECTS>")
   set(CMAKE_${lang}_ARCHIVE_CREATE "\"${CMAKE_IAR_ARCHIVE}\" <TARGET> --create <LINK_FLAGS> <OBJECTS>")
   set(CMAKE_${lang}_ARCHIVE_APPEND "\"${CMAKE_IAR_ARCHIVE}\" <TARGET> --replace <LINK_FLAGS> <OBJECTS>")
   set(CMAKE_${lang}_ARCHIVE_FINISH "")
 
-  set(CMAKE_LINKER "${CMAKE_IAR_LINKARM}" CACHE FILEPATH "The IAR linker" FORCE)
+  set(CMAKE_LINKER "${CMAKE_IAR_LINKER}" CACHE FILEPATH "The IAR linker" FORCE)
   set(CMAKE_AR "${CMAKE_IAR_ARCHIVE}" CACHE FILEPATH "The IAR archiver" FORCE)
 endmacro()
 
-macro(__compiler_iar_AVR lang)
+macro(__compiler_iar_xlink lang)
   set(CMAKE_EXECUTABLE_SUFFIX ".bin")
   if (${lang} STREQUAL "C" OR ${lang} STREQUAL "CXX")
 
@@ -84,6 +93,14 @@ macro(__compiler_iar_AVR lang)
     string(APPEND CMAKE_${lang}_FLAGS_RELWITHDEBINFO_INIT " -Oh -r -DNDEBUG")
   endif()
 
+  if (${lang} STREQUAL "ASM")
+    string(APPEND CMAKE_ASM_FLAGS_INIT " ")
+    string(APPEND CMAKE_ASM_FLAGS_DEBUG_INIT " -r")
+    string(APPEND CMAKE_ASM_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
+    string(APPEND CMAKE_ASM_FLAGS_RELEASE_INIT " -DNDEBUG")
+    string(APPEND CMAKE_ASM_FLAGS_RELWITHDEBINFO_INIT " -r -DNDEBUG")
+  endif()
+
   set(CMAKE_${lang}_LINK_EXECUTABLE "\"${CMAKE_IAR_LINKER}\" -S <OBJECTS> <CMAKE_${lang}_LINK_FLAGS> <LINK_FLAGS> <LINK_LIBRARIES> -o <TARGET>")
   set(CMAKE_${lang}_CREATE_STATIC_LIBRARY "\"${CMAKE_IAR_AR}\" <TARGET> <LINK_FLAGS> <OBJECTS>")
   set(CMAKE_${lang}_ARCHIVE_CREATE "\"${CMAKE_IAR_AR}\" <TARGET> <LINK_FLAGS> <OBJECTS>")
diff --git a/Modules/Compiler/Intel-CXX.cmake b/Modules/Compiler/Intel-CXX.cmake
index c115b6a..471dd4a 100644
--- a/Modules/Compiler/Intel-CXX.cmake
+++ b/Modules/Compiler/Intel-CXX.cmake
@@ -30,6 +30,7 @@ if("x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
   if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
     set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
     set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
+    set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   endif()
 
 else()
@@ -64,6 +65,7 @@ else()
   if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
     set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
     set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
+    set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   endif()
 
 endif()
diff --git a/Modules/Compiler/MSVC-C.cmake b/Modules/Compiler/MSVC-C.cmake
index 22c34f8..a722130 100644
--- a/Modules/Compiler/MSVC-C.cmake
+++ b/Modules/Compiler/MSVC-C.cmake
@@ -11,8 +11,8 @@ set(CMAKE_C11_EXTENSION_COMPILE_OPTION "")
 # There is no meaningful default for this
 set(CMAKE_C_STANDARD_DEFAULT "")
 
-# There are no C compiler modes so we only need to test features once.
-# Override the default macro for this special case.  Pretend that
+# There are no C compiler modes so we hard-code the known compiler supported
+# features. Override the default macro for this special case.  Pretend that
 # all language standards are available so that at least compilation
 # can be attempted.
 macro(cmake_record_c_compile_features)
@@ -20,6 +20,10 @@ macro(cmake_record_c_compile_features)
     c_std_90
     c_std_99
     c_std_11
+    c_function_prototypes
+    c_variadic_macros
     )
-  _record_compiler_features(C "" CMAKE_C_COMPILE_FEATURES)
+  list(APPEND CMAKE_C90_COMPILE_FEATURES c_std_90 c_function_prototypes)
+  list(APPEND CMAKE_C99_COMPILE_FEATURES c_std_99 c_variadic_macros)
+  list(APPEND CMAKE_C11_COMPILE_FEATURES c_std_11)
 endmacro()
diff --git a/Modules/Compiler/MSVC-CXX.cmake b/Modules/Compiler/MSVC-CXX.cmake
index be259ff..691926f 100644
--- a/Modules/Compiler/MSVC-CXX.cmake
+++ b/Modules/Compiler/MSVC-CXX.cmake
@@ -11,6 +11,7 @@ if ((CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.0.24215.1 AND
   # with the default and minimum level being C++14.
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "")
   set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std:c++14")
diff --git a/Modules/Compiler/SunPro-CXX.cmake b/Modules/Compiler/SunPro-CXX.cmake
index 5ce58b2..c2f6d1d 100644
--- a/Modules/Compiler/SunPro-CXX.cmake
+++ b/Modules/Compiler/SunPro-CXX.cmake
@@ -48,6 +48,7 @@ set(CMAKE_CXX_CREATE_STATIC_LIBRARY
 if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)
   set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++03")
   set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=c++03")
+  set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=c++11")
   set(CMAKE_CXX_LINK_WITH_STANDARD_COMPILE_OPTION 1)
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake
index 8f1e194..20b37d2 100644
--- a/Modules/ExternalProject.cmake
+++ b/Modules/ExternalProject.cmake
@@ -422,6 +422,10 @@ External Project Definition
       different behavior depending on whether the build starts from a fresh
       build directory or re-uses previous build contents.
 
+      If the CMake generator is the ``Green Hills MULTI`` and not overridden then
+      the orginal projects settings for the GHS toolset and target system
+      customization cache variables are propagated into the external project.
+
     ``SOURCE_SUBDIR <dir>``
       When no ``CONFIGURE_COMMAND`` option is specified, the configure step
       assumes the external project has a ``CMakeLists.txt`` file at the top of
@@ -2850,18 +2854,6 @@ function(_ep_extract_configure_command var name)
       set(has_cmake_cache_default_args 1)
     endif()
 
-    if(has_cmake_cache_args OR has_cmake_cache_default_args)
-      set(_ep_cache_args_script "<TMP_DIR>/${name}-cache-$<CONFIG>.cmake")
-      if(has_cmake_cache_args)
-        _ep_command_line_to_initial_cache(script_initial_cache_force "${cmake_cache_args}" 1)
-      endif()
-      if(has_cmake_cache_default_args)
-        _ep_command_line_to_initial_cache(script_initial_cache_default "${cmake_cache_default_args}" 0)
-      endif()
-      _ep_write_initial_cache(${name} "${_ep_cache_args_script}" "${script_initial_cache_force}${script_initial_cache_default}")
-      list(APPEND cmd "-C${_ep_cache_args_script}")
-    endif()
-
     get_target_property(cmake_generator ${name} _EP_CMAKE_GENERATOR)
     get_target_property(cmake_generator_instance ${name} _EP_CMAKE_GENERATOR_INSTANCE)
     get_target_property(cmake_generator_platform ${name} _EP_CMAKE_GENERATOR_PLATFORM)
@@ -2882,6 +2874,16 @@ function(_ep_extract_configure_command var name)
         list(APPEND cmd "-G${CMAKE_EXTRA_GENERATOR} - ${CMAKE_GENERATOR}")
       else()
         list(APPEND cmd "-G${CMAKE_GENERATOR}")
+        if("${CMAKE_GENERATOR}" MATCHES "Green Hills MULTI")
+          set(has_cmake_cache_default_args 1)
+          set(cmake_cache_default_args ${cmake_cache_default_args}
+            "-DGHS_TARGET_PLATFORM:STRING=${GHS_TARGET_PLATFORM}"
+            "-DGHS_PRIMARY_TARGET:STRING=${GHS_PRIMARY_TARGET}"
+            "-DGHS_TOOLSET_ROOT:STRING=${GHS_TOOLSET_ROOT}"
+            "-DGHS_OS_ROOT:STRING=${GHS_OS_ROOT}"
+            "-DGHS_OS_DIR:STRING=${GHS_OS_DIR}"
+            "-DGHS_BSP_NAME:STRING=${GHS_BSP_NAME}")
+        endif()
       endif()
       if(cmake_generator_platform)
         message(FATAL_ERROR "Option CMAKE_GENERATOR_PLATFORM not allowed without CMAKE_GENERATOR.")
@@ -2903,6 +2905,18 @@ function(_ep_extract_configure_command var name)
       endif()
     endif()
 
+    if(has_cmake_cache_args OR has_cmake_cache_default_args)
+      set(_ep_cache_args_script "<TMP_DIR>/${name}-cache-$<CONFIG>.cmake")
+      if(has_cmake_cache_args)
+        _ep_command_line_to_initial_cache(script_initial_cache_force "${cmake_cache_args}" 1)
+      endif()
+      if(has_cmake_cache_default_args)
+        _ep_command_line_to_initial_cache(script_initial_cache_default "${cmake_cache_default_args}" 0)
+      endif()
+      _ep_write_initial_cache(${name} "${_ep_cache_args_script}" "${script_initial_cache_force}${script_initial_cache_default}")
+      list(APPEND cmd "-C${_ep_cache_args_script}")
+    endif()
+
     list(APPEND cmd "<SOURCE_DIR><SOURCE_SUBDIR>")
   endif()
 
diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake
index 53be493..7325eca 100644
--- a/Modules/FindBoost.cmake
+++ b/Modules/FindBoost.cmake
@@ -466,8 +466,17 @@ function(_Boost_GUESS_COMPILER_PREFIX _ret)
   elseif (GHSMULTI)
     set(_boost_COMPILER "-ghs")
   elseif("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC" OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
-    if(MSVC_TOOLSET_VERSION GREATER_EQUAL 141)
-      set(_boost_COMPILER "-vc141;-vc140")
+    if(MSVC_TOOLSET_VERSION GREATER_EQUAL 150)
+      # Not yet known.
+      set(_boost_COMPILER "")
+    elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 140)
+      # MSVC toolset 14.x versions are forward compatible.
+      set(_boost_COMPILER "")
+      foreach(v 9 8 7 6 5 4 3 2 1 0)
+        if(MSVC_TOOLSET_VERSION GREATER_EQUAL 14${v})
+          list(APPEND _boost_COMPILER "-vc14${v}")
+        endif()
+      endforeach()
     elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 80)
       set(_boost_COMPILER "-vc${MSVC_TOOLSET_VERSION}")
     elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.10)
@@ -1083,9 +1092,15 @@ function(_Boost_UPDATE_WINDOWS_LIBRARY_SEARCH_DIRS_WITH_PREBUILT_PATHS component
     else()
       set(_arch_suffix 32)
     endif()
-    if(MSVC_TOOLSET_VERSION GREATER_EQUAL 141)
-      list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-14.1)
-      list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-14.0)
+    if(MSVC_TOOLSET_VERSION GREATER_EQUAL 150)
+      # Not yet known.
+    elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 140)
+      # MSVC toolset 14.x versions are forward compatible.
+      foreach(v 9 8 7 6 5 4 3 2 1 0)
+        if(MSVC_TOOLSET_VERSION GREATER_EQUAL 14${v})
+          list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-14.${v})
+        endif()
+      endforeach()
     elseif(MSVC_TOOLSET_VERSION GREATER_EQUAL 80)
       math(EXPR _toolset_major_version "${MSVC_TOOLSET_VERSION} / 10")
       list(APPEND ${componentlibvar} ${basedir}/lib${_arch_suffix}-msvc-${_toolset_major_version}.0)
@@ -1762,7 +1777,7 @@ foreach(COMPONENT ${Boost_FIND_COMPONENTS})
     list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}${COMPONENT_PYTHON_VERSION_MAJOR}-py${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
     list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}-py${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
     # Gentoo
-    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}-${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
+    list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}-${COMPONENT_PYTHON_VERSION_MAJOR}.${COMPONENT_PYTHON_VERSION_MINOR}")
     # RPMs
     list(APPEND _Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT_NAME "${COMPONENT_UNVERSIONED}-${COMPONENT_PYTHON_VERSION_MAJOR}${COMPONENT_PYTHON_VERSION_MINOR}")
   endif()
diff --git a/Modules/FindOpenGL.cmake b/Modules/FindOpenGL.cmake
index 832dca2..00db033 100644
--- a/Modules/FindOpenGL.cmake
+++ b/Modules/FindOpenGL.cmake
@@ -205,11 +205,13 @@ else()
   find_library(OPENGL_glx_LIBRARY
     NAMES GLX
     PATHS ${_OPENGL_LIB_PATH}
+    PATH_SUFFIXES libglvnd
   )
 
   find_library(OPENGL_egl_LIBRARY
     NAMES EGL
     PATHS ${_OPENGL_LIB_PATH}
+    PATH_SUFFIXES libglvnd
   )
 
   find_library(OPENGL_glu_LIBRARY
@@ -264,6 +266,7 @@ else()
             /usr/openwin/lib
             /usr/shlib
             ${_OPENGL_LIB_PATH}
+      PATH_SUFFIXES libglvnd
       )
   endif()
 
diff --git a/Modules/InstallRequiredSystemLibraries.cmake b/Modules/InstallRequiredSystemLibraries.cmake
index 2f34a7a..0a98895 100644
--- a/Modules/InstallRequiredSystemLibraries.cmake
+++ b/Modules/InstallRequiredSystemLibraries.cmake
@@ -213,10 +213,13 @@ if(MSVC)
   elseif(MSVC_VERSION_VERSION GREATER_EQUAL 143)
     message(WARNING "MSVC toolset v${MSVC_VERSION_VERSION} not yet supported.")
   elseif(MSVC_TOOLSET_VERSION EQUAL 142)
-    # FIXME: VS 2019 RC 4 uses VC141 but an update will fix it to be VC142.
-    set(MSVC_REDIST_NAME VC141)
+    set(MSVC_REDIST_NAME VC142)
     set(_MSVC_DLL_VERSION 140)
     set(_MSVC_IDE_VERSION 16)
+    if(MSVC_VERSION EQUAL 1920)
+      # VS2019 named this differently prior to update 1.
+      set(MSVC_REDIST_NAME VC141)
+    endif()
   elseif(MSVC_TOOLSET_VERSION EQUAL 141)
     set(MSVC_REDIST_NAME VC141)
     set(_MSVC_DLL_VERSION 140)