Fix macOS RPATH handling and install rules for Iceoryx platform modules

iceoryx_binding_c/CMakeLists.txt

@@ -114,6 +114,15 @@ endif()
 
 target_compile_options(${PROJECT_NAME} PRIVATE ${ICEORYX_WARNINGS} ${ICEORYX_SANITIZER_FLAGS})
 
+# Ensure dependent dylibs can be found via @rpath on macOS
+if(APPLE)
+  set_target_properties(iceoryx_binding_c PROPERTIES
+    INSTALL_RPATH "@loader_path/../lib"
+    BUILD_WITH_INSTALL_RPATH TRUE
+    MACOSX_RPATH ON
+  )
+endif()
+
 #
 ########## build test executables ##########
 #

iceoryx_hoofs/CMakeLists.txt

@@ -241,6 +241,35 @@ install(
     DESTINATION ${DESTINATION_CONFIGDIR}
 )
 
+# Add after existing install() commands
+install(EXPORT iceoryx_platformTargets
+  FILE iceoryx_platformTargets.cmake
+  NAMESPACE iceoryx::
+  DESTINATION lib/cmake/iceoryx_platform
+)
+
+include(CMakePackageConfigHelpers)
+# Add this before configure_package_config_file
+get_filename_component(ICEORYX_PLATFORM_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/platform/include" ABSOLUTE)
+configure_package_config_file(
+  cmake/iceoryx_platformConfig.cmake.in
+  iceoryx_platformConfig.cmake
+  INSTALL_DESTINATION lib/cmake/iceoryx_platform
+  PATH_VARS ICEORYX_PLATFORM_INCLUDE_DIRS
+)
+
+write_basic_package_version_file(
+  iceoryx_platformConfigVersion.cmake
+  VERSION ${PROJECT_VERSION}
+  COMPATIBILITY SameMajorVersion
+)
+
+install(FILES
+  "${CMAKE_CURRENT_BINARY_DIR}/iceoryx_platformConfig.cmake"
+  "${CMAKE_CURRENT_BINARY_DIR}/iceoryx_platformConfigVersion.cmake"
+  DESTINATION lib/cmake/iceoryx_platform
+)
+
 if(BUILD_TEST)
     add_subdirectory(test)
 endif(BUILD_TEST)

iceoryx_hoofs/cmake/iceoryx_platformConfig.cmake.in

@@ -0,0 +1,13 @@
+# iceoryx_platformConfig.cmake.in
+
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+find_dependency(iceoryx_hoofs)
+
+include("${CMAKE_CURRENT_LIST_DIR}/iceoryx_platformTargets.cmake")
+
+# Add platform-specific include paths
+get_filename_component(ICEORYX_PLATFORM_INCLUDE_DIRS "${CMAKE_CURRENT_LIST_DIR}/../../include/iceoryx_hoofs/platform" ABSOLUTE)
+set(ICEORYX_PLATFORM_INCLUDE_DIRS ${ICEORYX_PLATFORM_INCLUDE_DIRS} CACHE PATH "Iceoryx platform include directories")
+set_and_check(ICEORYX_PLATFORM_INCLUDE_DIRS "@PACKAGE_ICEORYX_PLATFORM_INCLUDE_DIRS@")

iceoryx_hoofs/platform/CMakeLists.txt

@@ -52,6 +52,31 @@ set_target_properties(iceoryx_platform PROPERTIES
 
 target_link_libraries(iceoryx_platform PRIVATE ${ICEORYX_SANITIZER_FLAGS})
 
+# Add right after target_link_libraries(iceoryx_platform PRIVATE ${ICEORYX_SANITIZER_FLAGS})
+
+# Add installation rules for all platforms
+install(TARGETS iceoryx_platform
+  EXPORT iceoryx_platformTargets
+  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib
+  RUNTIME DESTINATION bin
+  INCLUDES DESTINATION include
+)
+
+# Add platform-specific installation for headers
+install(DIRECTORY ${ICEORYX_PLATFORM}/include/
+  DESTINATION include/iceoryx_hoofs/platform
+)
+
+# macOS-specific RPATH handling
+if(APPLE)
+  set_target_properties(iceoryx_platform PROPERTIES
+    INSTALL_RPATH "@loader_path/../lib;@loader_path/../../iceoryx_hoofs/lib"
+    MACOSX_RPATH ON
+    BUILD_WITH_INSTALL_RPATH TRUE
+  )
+endif()
+
 target_compile_options(iceoryx_platform PRIVATE ${ICEORYX_WARNINGS} ${ICEORYX_SANITIZER_FLAGS})
 
 if(LINUX)