Merge branch 'backport-irsl-vs15-future' into release-3.9

Merge-request: !1240

Modules/InstallRequiredSystemLibraries.cmake

@@ -175,7 +175,12 @@ if(MSVC)
     endif()
   endif()
 
-  if(MSVC_VERSION EQUAL 1911)
+  set(MSVC_REDIST_NAME "")
+  set(_MSVCRT_DLL_VERSION "")
+  set(_MSVCRT_IDE_VERSION "")
+  if(MSVC_VERSION GREATER_EQUAL 2000)
+    message(WARNING "MSVC ${MSVC_VERSION} not yet supported.")
+  elseif(MSVC_VERSION GREATER_EQUAL 1911)
     set(MSVC_REDIST_NAME VC141)
     set(_MSVCRT_DLL_VERSION 140)
     set(_MSVCRT_IDE_VERSION 15)
@@ -199,10 +204,6 @@ if(MSVC)
     set(MSVC_REDIST_NAME VC100)
     set(_MSVCRT_DLL_VERSION 100)
     set(_MSVCRT_IDE_VERSION 10)
-  else()
-    set(MSVC_REDIST_NAME "")
-    set(_MSVCRT_DLL_VERSION "")
-    set(_MSVCRT_IDE_VERSION "")
   endif()
 
   if(_MSVCRT_DLL_VERSION)
@@ -397,10 +398,11 @@ if(MSVC)
         )
     endif()
 
-    if(MSVC_VERSION EQUAL 1911)
-      set(_MFC_DLL_VERSION 140)
-      set(_MFC_IDE_VERSION 15)
-    elseif(MSVC_VERSION EQUAL 1910)
+    set(_MFC_DLL_VERSION "")
+    set(_MFC_IDE_VERSION "")
+    if(MSVC_VERSION GREATER_EQUAL 2000)
+      # Version not yet supported.
+    elseif(MSVC_VERSION GREATER_EQUAL 1910)
       set(_MFC_DLL_VERSION 140)
       set(_MFC_IDE_VERSION 15)
     elseif(MSVC_VERSION EQUAL 1900)
@@ -415,9 +417,6 @@ if(MSVC)
     elseif(MSVC_VERSION EQUAL 1600)
       set(_MFC_DLL_VERSION 100)
       set(_MFC_IDE_VERSION 10)
-    else()
-      set(_MFC_DLL_VERSION "")
-      set(_MFC_IDE_VERSION "")
     endif()
 
     if(_MFC_DLL_VERSION)
@@ -488,10 +487,11 @@ if(MSVC)
   # MSVC 8 was the first version with OpenMP
   # Furthermore, there is no debug version of this
   if(CMAKE_INSTALL_OPENMP_LIBRARIES)
-    if(MSVC_VERSION EQUAL 1911)
-      set(_MSOMP_DLL_VERSION 140)
-      set(_MSOMP_IDE_VERSION 15)
-    elseif(MSVC_VERSION EQUAL 1910)
+    set(_MSOMP_DLL_VERSION "")
+    set(_MSOMP_IDE_VERSION "")
+    if(MSVC_VERSION GREATER_EQUAL 2000)
+      # Version not yet supported.
+    elseif(MSVC_VERSION GREATER_EQUAL 1910)
       set(_MSOMP_DLL_VERSION 140)
       set(_MSOMP_IDE_VERSION 15)
     elseif(MSVC_VERSION EQUAL 1900)
@@ -512,9 +512,6 @@ if(MSVC)
     elseif(MSVC_VERSION EQUAL 1400)
       set(_MSOMP_DLL_VERSION 80)
       set(_MSOMP_IDE_VERSION 8)
-    else()
-      set(_MSOMP_DLL_VERSION "")
-      set(_MSOMP_IDE_VERSION "")
     endif()
 
     if(_MSOMP_DLL_VERSION)