CMakeLists.txt

@@ -12,6 +12,9 @@ option(DR_COMPILE_CHECK  "Build compile-compatibility tests for each Cortex-M va
 set(DR_SOURCES  ${CMAKE_CURRENT_SOURCE_DIR}/datarouter.c  CACHE INTERNAL "")
 set(DR_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}               CACHE INTERNAL "")
 
+# 预编译包使用者可用 find_package(DataRouter CONFIG) 从此路径加载
+set(DataRouter_CMAKE_CONFIG_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/cmake CACHE INTERNAL "")
+
 # ── 编译兼容性矩阵 (仅在 host 编译器和 ARM GCC 均可用时生效) ──
 
 if(DR_COMPILE_CHECK)
@@ -58,7 +61,6 @@ endif()
 add_library(DataRouter STATIC datarouter.c)
 target_include_directories(DataRouter PUBLIC
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
-    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
 )
 
 if(BUILD_EXAMPLES OR NOT DEFINED BUILD_EXAMPLES)

cmake/DataRouterConfig.cmake.in

@@ -1,11 +1,22 @@
 @PACKAGE_INIT@
 
-set(DataRouter_INCLUDE_DIR "@PACKAGE_INCLUDE_INSTALL_DIR@")
-set(DataRouter_LIBRARY_DIR "@PACKAGE_LIB_INSTALL_DIR@")
+get_filename_component(DataRouter_INCLUDE_DIR
+    "${CMAKE_CURRENT_LIST_DIR}/../../include" ABSOLUTE)
+get_filename_component(DataRouter_LIBRARY_DIR
+    "${CMAKE_CURRENT_LIST_DIR}/../../lib" ABSOLUTE)
 
 include("${CMAKE_CURRENT_LIST_DIR}/DataRouterTargets.cmake" OPTIONAL)
 
+# 无论 targets 文件是否加载，都覆盖 include 路径为正确值
+# （targets 文件中的 _IMPORT_PREFIX 在某些平台/工具链下可能计算异常）
+if(TARGET DataRouter)
+    set_target_properties(DataRouter PROPERTIES
+        INTERFACE_INCLUDE_DIRECTORIES "${DataRouter_INCLUDE_DIR}"
+    )
     if(NOT TARGET DataRouter::DataRouter)
+        add_library(DataRouter::DataRouter ALIAS DataRouter)
+    endif()
+else()
     add_library(DataRouter::DataRouter STATIC IMPORTED)
     set_target_properties(DataRouter::DataRouter PROPERTIES
         IMPORTED_LOCATION "${DataRouter_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}DataRouter${CMAKE_STATIC_LIBRARY_SUFFIX}"