Fix: silence backward switch default warning (#3203)

Signed-off-by: miguelgonrod <[email protected]>
(cherry picked from commit 5318644)

Author: miguelgonrod

test/CMakeLists.txt

@@ -6,6 +6,26 @@ include_directories (
 )
 
 add_subdirectory(backward_vendor/backward-cpp)
+
+if (TARGET Backward::Interface)
+  get_target_property(_inc Backward::Interface INTERFACE_INCLUDE_DIRECTORIES)
+  get_target_property(_aliased Backward::Interface ALIASED_TARGET)
+  if (_aliased)
+    set(_target_name "${_aliased}")
+  else()
+    set(_target_name "Backward::Interface")
+  endif()
+  if (_inc)
+    target_include_directories(${_target_name} INTERFACE SYSTEM ${_inc})
+  endif()
+else()
+  if (DEFINED BACKWARD_INCLUDE_DIRS)
+    add_library(BackwardInterfaceLocal INTERFACE)
+    target_include_directories(BackwardInterfaceLocal INTERFACE SYSTEM ${BACKWARD_INCLUDE_DIRS})
+    add_library(Backward::Interface ALIAS BackwardInterfaceLocal)
+  endif()
+endif()
+
 add_subdirectory(gtest_vendor)
 add_subdirectory(benchmark)
 add_subdirectory(integration)

test/backward_vendor/backward-cpp/CMakeLists.txt

@@ -83,7 +83,7 @@ endif()
 add_library(backward_interface INTERFACE)
 set_target_properties(backward_interface PROPERTIES EXPORT_NAME Interface)
 target_compile_definitions(backward_interface INTERFACE ${BACKWARD_DEFINITIONS})
-target_include_directories(backward_interface INTERFACE ${BACKWARD_INCLUDE_DIRS})
+target_include_directories(backward_interface INTERFACE SYSTEM ${BACKWARD_INCLUDE_DIRS})
 if(BACKWARD_HAS_EXTERNAL_LIBRARIES)
     target_link_libraries(backward_interface INTERFACE ${BACKWARD_LIBRARIES})
 endif()
@@ -100,6 +100,12 @@ set_target_properties(backward_object PROPERTIES EXPORT_NAME Object)
 target_link_libraries(backward_object PUBLIC Backward::Interface)
 add_library(Backward::Object ALIAS backward_object)
 
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  target_compile_options(backward_object PRIVATE -Wno-switch-default)
+else()
+
+endif()
+
 ###############################################################################
 # BACKWARD LIBRARY (Includes backward.cpp)
 # (Note that the linker will not include unused objects from a static library,
@@ -115,6 +121,10 @@ set_target_properties(backward PROPERTIES EXPORT_NAME Backward)
 target_link_libraries(backward PUBLIC Backward::Interface)
 add_library(Backward::Backward ALIAS backward)
 
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  target_compile_options(backward PRIVATE -Wno-switch-default)
+endif()
+
 # check if Backward is being used as a top-level project or included as a subproject
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
     install(