CMake build: Add some more feature info

About script Locator filter and helpviewer backends

Change-Id: If371ff824d16715f16ec9b245f42efe0d506c665
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

cmake/QtCreatorAPI.cmake

@@ -294,6 +294,15 @@ function(qtc_output_binary_dir varName)
   endif()
 endfunction()
 
+function(condition_info varName condition)
+  if (NOT ${condition})
+    set(${varName} "" PARENT_SCOPE)
+  else()
+    string(REPLACE ";" " " _contents "${${condition}}")
+    set(${varName} "with CONDITION ${_contents}" PARENT_SCOPE)
+  endif()
+endfunction()
+
 #
 # Public API functions
 #
@@ -425,12 +434,9 @@ function(add_qtc_plugin target_name)
     set(name ${_arg_PLUGIN_NAME})
   endif()
 
+  condition_info(_extra_text _arg_CONDITION)
   if (NOT _arg_CONDITION)
     set(_arg_CONDITION ON)
-    set(_extra_text "")
-  else()
-    string(REPLACE ";" " " _contents "${_arg_CONDITION}")
-    set(_extra_text "with CONDITION ${_contents}")
   endif()
 
   string(TOUPPER "BUILD_PLUGIN_${target_name}" _build_plugin_var)
@@ -602,7 +608,7 @@ endfunction()
 function(extend_qtc_target target_name)
   cmake_parse_arguments(_arg
     ""
-    "SOURCES_PREFIX"
+    "SOURCES_PREFIX;FEATURE_INFO"
     "CONDITION;DEPENDS;PUBLIC_DEPENDS;DEFINES;PUBLIC_DEFINES;INCLUDES;PUBLIC_INCLUDES;SOURCES;EXPLICIT_MOC"
     ${ARGN}
   )
@@ -611,9 +617,13 @@ function(extend_qtc_target target_name)
     message(FATAL_ERROR "extend_qtc_target had unparsed arguments")
   endif()
 
+  condition_info(_extra_text _arg_CONDITION)
   if (NOT _arg_CONDITION)
     set(_arg_CONDITION ON)
   endif()
+  if (_arg_FEATURE_INFO)
+    add_feature_info(${_arg_FEATURE_INFO} _arg_CONDITION "${_extra_text}")
+  endif()
   if (NOT (${_arg_CONDITION}))
     return()
   endif()

src/plugins/coreplugin/CMakeLists.txt

@@ -178,6 +178,7 @@ extend_qtc_plugin(Core
 
 extend_qtc_plugin(Core
   CONDITION TARGET Qt5::Script
+  FEATURE_INFO "Script Locator filter"
   DEPENDS Qt5::Script
   DEFINES WITH_JAVASCRIPTFILTER
   SOURCES

src/plugins/help/CMakeLists.txt

@@ -31,6 +31,7 @@ add_qtc_plugin(Help
 
 extend_qtc_plugin(Help
   CONDITION FWWebKit AND FWAppKit
+  FEATURE_INFO "Native WebKit help viewer"
   DEPENDS ${FWWebKit} ${FWAppKit}
   DEFINES QTC_MAC_NATIVE_HELPVIEWER
   SOURCES
@@ -41,6 +42,7 @@ extend_qtc_plugin(Help
 find_package(Qt5WebEngineWidgets QUIET)
 extend_qtc_plugin(Help
   CONDITION TARGET Qt5::WebEngineWidgets
+  FEATURE_INFO "QtWebEngine help viewer"
   DEPENDS Qt5::WebEngineWidgets
   DEFINES QTC_WEBENGINE_HELPVIEWER
   SOURCES
@@ -51,12 +53,14 @@ extend_qtc_plugin(Help
 find_package(litehtml QUIET)
 if (TARGET litehtml)
   add_subdirectory(qlitehtml)
+endif()
+
 extend_qtc_plugin(Help
-    CONDITION TARGET qlitehtml
+  CONDITION TARGET litehtml AND TARGET qlitehtml
+  FEATURE_INFO "litehtml help viewer"
   DEPENDS qlitehtml
   DEFINES QTC_LITEHTML_HELPVIEWER
   SOURCES
     litehtmlhelpviewer.cpp
     litehtmlhelpviewer.h
 )
-endif()