From 7e3704f106fd9ecfd7c81ebb861175550e8ac1a2 Mon Sep 17 00:00:00 2001
From: Kartik Kenchi <kartikbkenchi@gmail.com>
Date: Sun, 16 Aug 2026 22:28:42 +0530
Subject: [PATCH] cmake: Centralize MinGW/Cygwin -Wa,-mbig-obj test workaround

---
 googlemock/CMakeLists.txt             | 4 ----
 googletest/cmake/internal_utils.cmake | 7 +++++++
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/googlemock/CMakeLists.txt b/googlemock/CMakeLists.txt
index 33ec9636..384026cc 100644
--- a/googlemock/CMakeLists.txt
+++ b/googlemock/CMakeLists.txt
@@ -131,10 +131,6 @@ if (gmock_build_tests)
   # 'make test' or ctest.
   enable_testing()
 
-  if (MINGW OR CYGWIN)
-    add_compile_options("-Wa,-mbig-obj")
-  endif()
-
   ############################################################
   # C++ tests built with standard compiler flags.
 
diff --git a/googletest/cmake/internal_utils.cmake b/googletest/cmake/internal_utils.cmake
index 10c55955..1abe8d93 100644
--- a/googletest/cmake/internal_utils.cmake
+++ b/googletest/cmake/internal_utils.cmake
@@ -237,6 +237,13 @@ function(cxx_executable_with_flags name cxx_flags libs)
   if (MSVC)
     # BigObj required for tests.
     set(cxx_flags "${cxx_flags} -bigobj")
+  elseif (MINGW OR CYGWIN)
+    if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR
+        CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+      # MinGW and Cygwin use the GNU assembler, which has a 2^16 section limit.
+      # Large generated test executables exceed this limit, so raise it.
+      set(cxx_flags "${cxx_flags} -Wa,-mbig-obj")
+    endif()
   endif()
   if (cxx_flags)
     set_target_properties(${name}