Mark libassert as a SYSTEM library

Author: Morwenn

CMakeLists.txt

@@ -8,6 +8,7 @@ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 project(cpp-sort VERSION 2.0.0 LANGUAGES CXX)
 
 include(CMakePackageConfigHelpers)
+include(cpp-sort-utils)
 include(GNUInstallDirs)
 
 # Project options
@@ -30,6 +31,7 @@ if (CPPSORT_USE_LIBASSERT)
     if (NOT libassert_POPULATED)
         FetchContent_Populate(libassert)
         add_subdirectory(${libassert_SOURCE_DIR} ${libassert_BINARY_DIR})
+        mark_system_library(libassert-lib)
     endif()
 endif()
 

cmake/cpp-sort-utils.cmake

@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2023 Morwenn
+# Copyright (c) 2019-2025 Morwenn
 # SPDX-License-Identifier: MIT
 
 # Add a selection of warnings to a target
@@ -15,3 +15,17 @@ macro(cppsort_add_warnings target)
         )
     endif()
 endmacro()
+
+# Mark a target as a SYSTEM library
+function(mark_system_library target)
+    get_target_property(
+        TARGET_INCLUDE_DIR
+        ${target}
+        INTERFACE_INCLUDE_DIRECTORIES
+    )
+    set_target_properties(
+        ${target}
+        PROPERTIES
+            INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${TARGET_INCLUDE_DIR}"
+    )
+endfunction()

tests/CMakeLists.txt

@@ -32,9 +32,8 @@ else()
         FetchContent_Populate(Catch2)
         add_subdirectory(${catch2_SOURCE_DIR} ${catch2_BINARY_DIR})
         list(APPEND CMAKE_MODULE_PATH ${catch2_SOURCE_DIR}/extras)
-        # Make Catch2::Catch2 a SYSTEM target
-        get_target_property(catch2_INCLUDE_DIRECTORY Catch2 INTERFACE_INCLUDE_DIRECTORIES)
-        set_target_properties(Catch2 PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${catch2_INCLUDE_DIRECTORY}")
+        mark_system_library(Catch2)
+        mark_system_library(Catch2WithMain)
     endif()
 endif()
 include(Catch)
@@ -59,9 +58,8 @@ else()
         FetchContent_Populate(RapidCheck)
         set(RC_INSTALL_ALL_EXTRAS ON)
         add_subdirectory(${rapidcheck_SOURCE_DIR} ${rapidcheck_BINARY_DIR})
-        # Make rapidcheck a SYSTEM target
-        get_target_property(rapidcheck_INCLUDE_DIRECTORY rapidcheck INTERFACE_INCLUDE_DIRECTORIES)
-        set_target_properties(rapidcheck PROPERTIES INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${rapidcheck_INCLUDE_DIRECTORY}")
+        mark_system_library(rapidcheck)
+        mark_system_library(rapidcheck_catch)
     endif()
 endif()