From 4ce6058e0b32822093eea8b3d904676cb7e99788 Mon Sep 17 00:00:00 2001
From: Cristian Adam <cristian.adam@qt.io>
Date: Tue, 5 Jan 2021 11:15:02 +0100
Subject: [PATCH] CMake: Error out when dependent targets are disabled

Change-Id: I0cc1e250dbe6eca66ed5f4ddecf9d5a8acfe955a
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
---
 cmake/QtCreatorAPIInternal.cmake | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/cmake/QtCreatorAPIInternal.cmake b/cmake/QtCreatorAPIInternal.cmake
index 0aafe289e6f..70dc96b6d5c 100644
--- a/cmake/QtCreatorAPIInternal.cmake
+++ b/cmake/QtCreatorAPIInternal.cmake
@@ -231,12 +231,26 @@ function(finalize_test_setup test_name)
   endif()
 endfunction()
 
+function(check_qtc_disabled_targets target_name dependent_targets)
+  foreach(dependency IN LISTS ${dependent_targets})
+    foreach(type PLUGIN LIBRARY)
+      string(TOUPPER "BUILD_${type}_${dependency}" build_target)
+      if (DEFINED ${build_target} AND NOT ${build_target})
+        message(SEND_ERROR "Target ${name} depends on ${dependency} which was disabled via ${build_target} set to ${${build_target}}")
+      endif()
+    endforeach()
+  endforeach()
+endfunction()
+
 function(add_qtc_depends target_name)
   cmake_parse_arguments(_arg "" "" "PRIVATE;PUBLIC" ${ARGN})
   if (${_arg_UNPARSED_ARGUMENTS})
     message(FATAL_ERROR "add_qtc_depends had unparsed arguments")
   endif()
 
+  check_qtc_disabled_targets(${target_name} _arg_PRIVATE)
+  check_qtc_disabled_targets(${target_name} _arg_PUBLIC)
+
   separate_object_libraries("${_arg_PRIVATE}"
     depends object_lib_depends object_lib_depends_objects)
   separate_object_libraries("${_arg_PUBLIC}"