Fix tests CMakeLists.txt on MinGW

Author: rikyoz

cmake/GhcHelper.cmake

@@ -74,6 +74,9 @@ macro(AddTestExecutableWithStdCpp cppStd)
     if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
         target_compile_definitions(filesystem_test_cpp${cppStd} PRIVATE _CRT_SECURE_NO_WARNINGS)
     endif()
+    if(MINGW)
+        target_compile_options(filesystem_test_cpp${cppStd} PUBLIC "-Wa,-mbig-obj")
+    endif()
     if(EMSCRIPTEN)
         set_target_properties(filesystem_test_cpp${cppStd} PROPERTIES LINK_FLAGS "-g4 -s DISABLE_EXCEPTION_CATCHING=0 -s ALLOW_MEMORY_GROWTH=1")
     endif()

test/CMakeLists.txt

@@ -38,6 +38,9 @@ else()
     message("Generating test runner for normal test...")
     add_executable(filesystem_test filesystem_test.cpp catch.hpp)
     target_link_libraries(filesystem_test ghc_filesystem)
+    if(MINGW)
+        target_compile_options(filesystem_test PUBLIC "-Wa,-mbig-obj")
+    endif()
     if(${CMAKE_SYSTEM_NAME} MATCHES "(SunOS|Solaris)")
         target_link_libraries(filesystem_test xnet)
     endif()
@@ -59,10 +62,13 @@ else()
         add_executable(filesystem_test_char filesystem_test.cpp catch.hpp)
         target_link_libraries(filesystem_test_char ghc_filesystem)
         SetTestCompileOptions(filesystem_test_char)
+        if(MINGW)
+            target_compile_options(filesystem_test_char PUBLIC "-Wa,-mbig-obj")
+        endif()
         if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
-		target_compile_definitions(filesystem_test_char PRIVATE _CRT_SECURE_NO_WARNINGS GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE)
+            target_compile_definitions(filesystem_test_char PRIVATE _CRT_SECURE_NO_WARNINGS GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE)
         else()
-		target_compile_definitions(filesystem_test_char PRIVATE GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE)
+            target_compile_definitions(filesystem_test_char PRIVATE GHC_WIN_DISABLE_WSTRING_STORAGE_TYPE)
         endif()
         ParseAndAddCatchTests(filesystem_test_char)
     endif()
@@ -90,6 +96,9 @@ SetTestCompileOptions(fwd_impl_test)
 if(CMAKE_CXX_COMPILER_ID MATCHES MSVC)
 	target_compile_definitions(fwd_impl_test PRIVATE _CRT_SECURE_NO_WARNINGS WIN32_LEAN_AND_MEAN NOMINMAX)
 endif()
+if(MINGW)
+    target_compile_options(fwd_impl_test PUBLIC "-Wa,-mbig-obj")
+endif()
 add_test(fwd_impl_test fwd_impl_test)
 
 add_executable(exception exception.cpp)