examples の sdl_sample と messaging_recvonly_sample に CMakeLists.txt を追加する

統一形式のビルドに必要な CMakeLists.txt をトップレベルに配置。
src/ ディレクトリを直接参照するように修正。

- examples/sdl_sample/CMakeLists.txt を追加
- examples/messaging_recvonly_sample/CMakeLists.txt を追加

Author: voluntas

examples/messaging_recvonly_sample/CMakeLists.txt

@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.23)
+
+# Only interpret if() arguments as variables or keywords when unquoted.
+cmake_policy(SET CMP0054 NEW)
+# MSVC runtime library flags are selected by an abstraction.
+cmake_policy(SET CMP0091 NEW)
+
+set(WEBRTC_INCLUDE_DIR "" CACHE PATH "WebRTC のインクルードディレクトリ")
+set(WEBRTC_LIBRARY_DIR "" CACHE PATH "WebRTC のライブラリディレクトリ")
+set(WEBRTC_LIBRARY_NAME "webrtc" CACHE STRING "WebRTC のライブラリ名")
+set(BOOST_ROOT "" CACHE PATH "Boost のルートディレクトリ")
+set(SORA_DIR "" CACHE PATH "Sora のルートディレクトリ")
+set(CLI11_DIR "" CACHE PATH "CLI11 のルートディレクトリ")
+
+project(sora-messaging-recvonly-sample C CXX)
+
+list(APPEND CMAKE_PREFIX_PATH ${SORA_DIR})
+list(APPEND CMAKE_MODULE_PATH ${SORA_DIR}/share/cmake)
+
+set(Boost_USE_STATIC_LIBS ON)
+
+find_package(Boost REQUIRED COMPONENTS json filesystem)
+find_package(WebRTC REQUIRED)
+find_package(Sora REQUIRED)
+find_package(Threads REQUIRED)
+
+add_executable(messaging_recvonly_sample)
+set_target_properties(messaging_recvonly_sample PROPERTIES CXX_STANDARD 20 C_STANDARD 20)
+set_target_properties(messaging_recvonly_sample PROPERTIES POSITION_INDEPENDENT_CODE ON)
+set_target_properties(messaging_recvonly_sample PROPERTIES CXX_VISIBILITY_PRESET hidden)
+target_sources(messaging_recvonly_sample PRIVATE src/messaging_recvonly_sample.cpp)
+
+target_compile_options(messaging_recvonly_sample
+  PRIVATE
+    "$<$<COMPILE_LANGUAGE:CXX>:-nostdinc++>"
+    "$<$<COMPILE_LANGUAGE:CXX>:-isystem${LIBCXX_INCLUDE_DIR}>"
+)
+target_include_directories(messaging_recvonly_sample PRIVATE ${CLI11_DIR}/include)
+target_link_libraries(messaging_recvonly_sample PRIVATE Sora::sora)
+target_compile_definitions(messaging_recvonly_sample PRIVATE CLI11_HAS_FILESYSTEM=0)

examples/sdl_sample/CMakeLists.txt

@@ -0,0 +1,42 @@
+cmake_minimum_required(VERSION 3.23)
+
+# Only interpret if() arguments as variables or keywords when unquoted.
+cmake_policy(SET CMP0054 NEW)
+# MSVC runtime library flags are selected by an abstraction.
+cmake_policy(SET CMP0091 NEW)
+
+set(WEBRTC_INCLUDE_DIR "" CACHE PATH "WebRTC のインクルードディレクトリ")
+set(WEBRTC_LIBRARY_DIR "" CACHE PATH "WebRTC のライブラリディレクトリ")
+set(WEBRTC_LIBRARY_NAME "webrtc" CACHE STRING "WebRTC のライブラリ名")
+set(BOOST_ROOT "" CACHE PATH "Boost のルートディレクトリ")
+set(SORA_DIR "" CACHE PATH "Sora のルートディレクトリ")
+set(SDL3_DIR "" CACHE PATH "SDL3 のルートディレクトリ")
+set(CLI11_DIR "" CACHE PATH "CLI11 のルートディレクトリ")
+
+project(sora-sdl-sample C CXX)
+
+list(APPEND CMAKE_PREFIX_PATH ${SORA_DIR} ${SDL3_DIR})
+list(APPEND CMAKE_MODULE_PATH ${SORA_DIR}/share/cmake)
+
+set(Boost_USE_STATIC_LIBS ON)
+
+find_package(Boost REQUIRED COMPONENTS json filesystem)
+find_package(WebRTC REQUIRED)
+find_package(Sora REQUIRED)
+find_package(SDL3 REQUIRED)
+find_package(Threads REQUIRED)
+
+add_executable(sdl_sample)
+set_target_properties(sdl_sample PROPERTIES CXX_STANDARD 20 C_STANDARD 20)
+set_target_properties(sdl_sample PROPERTIES POSITION_INDEPENDENT_CODE ON)
+set_target_properties(sdl_sample PROPERTIES CXX_VISIBILITY_PRESET hidden)
+target_sources(sdl_sample PRIVATE src/sdl_sample.cpp src/sdl_renderer.cpp)
+
+target_compile_options(sdl_sample
+  PRIVATE
+    "$<$<COMPILE_LANGUAGE:CXX>:-nostdinc++>"
+    "$<$<COMPILE_LANGUAGE:CXX>:-isystem${LIBCXX_INCLUDE_DIR}>"
+)
+target_include_directories(sdl_sample PRIVATE ${CLI11_DIR}/include)
+target_link_libraries(sdl_sample PRIVATE Sora::sora SDL3::SDL3)
+target_compile_definitions(sdl_sample PRIVATE CLI11_HAS_FILESYSTEM=0)