Merge topic 'clang-ansi-color' into release-3.30

1004cc2b52 Clang: Drop non-existent -fno-ansi-escape-codes flag

Acked-by: Kitware Robot <[email protected]>
Merge-request: !9592

Modules/Compiler/Clang.cmake

@@ -121,7 +121,7 @@ else()
       # -fansi-escape-codes mentioned at https://releases.llvm.org/3.7.0/tools/clang/docs/UsersManual.html
       if (CMAKE_HOST_WIN32 AND CMAKE_${lang}_COMPILER_VERSION VERSION_GREATER_EQUAL 3.7)
         set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS -fansi-escape-codes -fcolor-diagnostics)
-        set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS_OFF -fno-ansi-escape-codes  -fno-color-diagnostics)
+        set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS_OFF -fno-color-diagnostics)
       else()
         set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS -fcolor-diagnostics)
         set(CMAKE_${lang}_COMPILE_OPTIONS_COLOR_DIAGNOSTICS_OFF -fno-color-diagnostics)