cmake for building idevice++

cpp/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# Project
+project(idevice++
+  VERSION 0.1.0
+  LANGUAGES CXX
+)
+
+# ---- Options ---------------------------------------------------------------
+
+# Path to the Rust static library (override on the command line if needed):
+#   cmake -DIDEVICE_FFI_PATH=/absolute/path/to/libidevice_ffi.a ..
+set(IDEVICE_FFI_PATH
+    "${CMAKE_CURRENT_SOURCE_DIR}/../target/release/libidevice_ffi.a"
+    CACHE FILEPATH "Path to libidevice_ffi.a produced by Rust build"
+)
+
+# Optional extra libraries/frameworks if your Rust/C bridge needs them:
+#   e.g. -framework CoreFoundation on macOS, etc.
+set(IDEVICEPP_EXTRA_LIBS
+    ""
+    CACHE STRING "Extra libraries to link (space-separated)"
+)
+
+# ---- Tooling ---------------------------------------------------------------
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)  # Helpful for shared libs
+
+# Threads
+find_package(Threads REQUIRED)
+
+# On some platforms dl is required for Rust staticlibs that use libdl
+include(CheckLibraryExists)
+set(HAVE_LIBDL FALSE)
+if(UNIX AND NOT APPLE)
+  check_library_exists(dl dlopen "" HAVE_LIBDL)
+endif()
+
+# ---- Imported Rust static library ------------------------------------------
+
+if(NOT EXISTS "${IDEVICE_FFI_PATH}")
+  message(FATAL_ERROR "IDEVICE_FFI_PATH does not exist: ${IDEVICE_FFI_PATH}")
+endif()
+
+add_library(idevice_ffi STATIC IMPORTED GLOBAL)
+set_target_properties(idevice_ffi PROPERTIES
+  IMPORTED_LOCATION "${IDEVICE_FFI_PATH}"
+)
+
+# ---- Our C++ library -------------------------------------------------------
+
+# Collect sources (convenience: tracks new files when you re-run CMake)
+file(GLOB_RECURSE IDEVICEPP_SOURCES
+  CONFIGURE_DEPENDS
+  "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cc"
+  "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/src/*.cxx"
+)
+
+# Respect BUILD_SHARED_LIBS (OFF=static, ON=shared)
+add_library(${PROJECT_NAME})
+target_sources(${PROJECT_NAME} PRIVATE ${IDEVICEPP_SOURCES})
+
+# Public headers live under include/, e.g. include/idevice++/Foo.hpp
+target_include_directories(${PROJECT_NAME}
+  PUBLIC
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
+    "$<INSTALL_INTERFACE:include>"
+)
+
+# Link dependencies
+target_link_libraries(${PROJECT_NAME}
+  PUBLIC
+    idevice_ffi
+    Threads::Threads
+)
+
+# Link libdl on Linux if present
+if(HAVE_LIBDL)
+  target_link_libraries(${PROJECT_NAME} PUBLIC dl)
+endif()
+
+# Windows winsock (if you ever build there)
+if(WIN32)
+  target_link_libraries(${PROJECT_NAME} PUBLIC ws2_32)
+endif()
+
+# Extra user-specified libs/frameworks
+if(IDEVICEPP_EXTRA_LIBS)
+  # Split by spaces and link each one
+  separate_arguments(_extra_libs NATIVE_COMMAND ${IDEVICEPP_EXTRA_LIBS})
+  target_link_libraries(${PROJECT_NAME} PUBLIC ${_extra_libs})
+endif()
+
+# Visibility / warnings (tweak to taste)
+if(MSVC)
+  target_compile_options(${PROJECT_NAME} PRIVATE /permissive- /W4 /WX-)
+else()
+  target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic)
+endif()
+
+# ---- Examples (optional) ---------------------------------------------------
+
+option(BUILD_EXAMPLES "Build examples in examples/ directory" OFF)
+if(BUILD_EXAMPLES)
+  file(GLOB EXAMPLE_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/examples/*.cpp")
+  foreach(ex_src IN LISTS EXAMPLE_SOURCES)
+    get_filename_component(exe_name "${ex_src}" NAME_WE)
+    add_executable(${exe_name} "${ex_src}")
+    target_link_libraries(${exe_name} PRIVATE ${PROJECT_NAME})
+    target_include_directories(${exe_name} PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/include")
+  endforeach()
+endif()
+