From 28da24a1a64fc901b858b586d4ce90bdca20d153 Mon Sep 17 00:00:00 2001
From: Alexey Edelev <alexey.edelev@qt.io>
Date: Thu, 6 Jan 2022 15:21:40 +0100
Subject: [PATCH] Enable -bigobj by default for Qt

Add '-bigobj' for MSVC and '-Wa,-mbig-obj' for MINGW to the
PlatformCommonInternal compiler options.

Pick-to: 6.3
Change-Id: I706b83d189a116a3ab6f93d59593e237e66b0e2e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 cmake/QtInternalTargets.cmake | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cmake/QtInternalTargets.cmake b/cmake/QtInternalTargets.cmake
index fc98e6215df..c1d97da641c 100644
--- a/cmake/QtInternalTargets.cmake
+++ b/cmake/QtInternalTargets.cmake
@@ -196,7 +196,10 @@ if (MSVC)
         )
     endif()
 
-    target_compile_options(PlatformCommonInternal INTERFACE -Zc:wchar_t)
+    target_compile_options(PlatformCommonInternal INTERFACE
+        -Zc:wchar_t
+        -bigobj
+    )
 
     target_compile_options(PlatformCommonInternal INTERFACE
         $<$<NOT:$<CONFIG:Debug>>:-guard:cf -Gw>
@@ -208,6 +211,10 @@ if (MSVC)
     )
 endif()
 
+if(MINGW)
+    target_compile_options(PlatformCommonInternal INTERFACE -Wa,-mbig-obj)
+endif()
+
 if (GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "9.2")
     target_compile_options(PlatformCommonInternal INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-Wsuggest-override>)
 endif()