From 9d6b8727ee56d6044c6506fd0b9c46ea05d3c161 Mon Sep 17 00:00:00 2001
From: Cristian Adam <cristian.adam@qt.io>
Date: Wed, 10 Nov 2021 12:44:02 +0100
Subject: [PATCH] ClangCodeModel: Enable big object flags for building on
 Windows

Fixes problems with debug builds that link too many symbols into
the binary.

Change-Id: I6e95d6abd99a4f2a9a78764d8155a6e7b7fa8571
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
---
 src/plugins/clangcodemodel/CMakeLists.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/plugins/clangcodemodel/CMakeLists.txt b/src/plugins/clangcodemodel/CMakeLists.txt
index ace1b99575c..e8f15a2303b 100644
--- a/src/plugins/clangcodemodel/CMakeLists.txt
+++ b/src/plugins/clangcodemodel/CMakeLists.txt
@@ -61,3 +61,14 @@ extend_qtc_plugin(ClangCodeModel
     test/clangdtests.cpp test/clangdtests.h
     test/data/clangtestdata.qrc
 )
+
+if(MINGW)
+  set(big_obj_compile_option "-Wa,-mbig-obj")
+elseif(MSVC)
+  set(big_obj_compile_option "/bigobj")
+endif()
+
+extend_qtc_plugin(ClangCodeModel
+  CONDITION DEFINED big_obj_compile_option
+  PROPERTIES COMPILE_OPTIONS ${big_obj_compile_option}
+)