build: optionally static link boost (#2628)

cmake/dependencies/Boost_Sunshine.cmake

@@ -0,0 +1,89 @@
+#
+# Loads the boost library giving the priority to the system package first, with a fallback to FetchContent.
+#
+include_guard(GLOBAL)
+
+set(BOOST_VERSION 1.85)
+set(BOOST_COMPONENTS
+        filesystem
+        locale
+        log
+        program_options
+        system)  # system is not used by Sunshine, but by Simple-Web-Server, added here for convenience
+
+if(BOOST_USE_STATIC)
+    set(Boost_USE_STATIC_LIBS ON)  # cmake-lint: disable=C0103
+endif()
+
+find_package(Boost ${BOOST_VERSION} COMPONENTS ${BOOST_COMPONENTS})
+if(NOT Boost_FOUND)
+    message(STATUS "Boost v${BOOST_VERSION}.x package not found in the system. Falling back to FetchContent.")
+    include(FetchContent)
+
+    # Avoid warning about DOWNLOAD_EXTRACT_TIMESTAMP in CMake 3.24:
+    if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
+        cmake_policy(SET CMP0135 NEW)
+    endif()
+
+    # more components required for compiling boost targets
+    list(APPEND BOOST_COMPONENTS
+            asio
+            crc
+            format
+            process
+            property_tree)
+
+    set(BOOST_ENABLE_CMAKE ON)
+
+    # Limit boost to the required libraries only
+    set(BOOST_INCLUDE_LIBRARIES
+            ${BOOST_COMPONENTS})
+    set(BOOST_URL
+            "https://github.com/boostorg/boost/releases/download/boost-1.85.0/boost-1.85.0-cmake.tar.xz")
+    set(BOOST_HASH
+            "MD5=BADEA970931766604D4D5F8F4090B176")
+
+    if(CMAKE_VERSION VERSION_LESS "3.24.0")
+        FetchContent_Declare(
+                Boost
+                URL ${BOOST_URL}
+                URL_HASH ${BOOST_HASH}
+        )
+    elseif(APPLE AND CMAKE_VERSION VERSION_GREATER_EQUAL "3.25.0")
+        # add SYSTEM to FetchContent_Declare, this fails on debian bookworm
+        FetchContent_Declare(
+                Boost
+                URL ${BOOST_URL}
+                URL_HASH ${BOOST_HASH}
+                SYSTEM  # requires CMake 3.25+
+                OVERRIDE_FIND_PACKAGE  # requires CMake 3.24+, but we have a macro to handle it for other versions
+        )
+    elseif(CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
+        FetchContent_Declare(
+                Boost
+                URL ${BOOST_URL}
+                URL_HASH ${BOOST_HASH}
+                OVERRIDE_FIND_PACKAGE  # requires CMake 3.24+, but we have a macro to handle it for other versions
+        )
+    endif()
+
+    FetchContent_MakeAvailable(Boost)
+    set(FETCH_CONTENT_BOOST_USED TRUE)
+
+    set(Boost_FOUND TRUE)  # cmake-lint: disable=C0103
+    set(Boost_INCLUDE_DIRS  # cmake-lint: disable=C0103
+            "$<BUILD_INTERFACE:${Boost_SOURCE_DIR}/libs/headers/include>;$<INSTALL_INTERFACE:include/boost-1_85>")
+
+    if(WIN32)
+        # Windows build is failing to create .h file in this directory
+        file(MAKE_DIRECTORY ${Boost_BINARY_DIR}/libs/log/src/windows)
+    endif()
+
+    set(Boost_LIBRARIES "")  # cmake-lint: disable=C0103
+    foreach(component ${BOOST_COMPONENTS})
+        list(APPEND Boost_LIBRARIES "Boost::${component}")
+    endforeach()
+endif()
+
+message(STATUS "Boost include dirs: ${Boost_INCLUDE_DIRS}")
+message(STATUS "Boost libraries: ${Boost_LIBRARIES}")

cmake/dependencies/common.cmake

@@ -1,9 +1,12 @@
 # load common dependencies
 # this file will also load platform specific dependencies
 
+# boost, this should be before Simple-Web-Server as it also depends on boost
+include(dependencies/Boost_Sunshine)
+
 # submodules
 # moonlight common library
-set(ENET_NO_INSTALL ON CACHE BOOL "Don't install any libraries build for enet")
+set(ENET_NO_INSTALL ON CACHE BOOL "Don't install any libraries built for enet")
 add_subdirectory("${CMAKE_SOURCE_DIR}/third-party/moonlight-common-c/enet")
 
 # web server

cmake/dependencies/libevdev_Sunshine.cmake

@@ -0,0 +1,44 @@
+#
+# Loads the libevdev library giving the priority to the system package first, with a fallback to ExternalProject
+#
+include_guard(GLOBAL)
+
+set(LIBEVDEV_VERSION libevdev-1.13.2)
+
+pkg_check_modules(PC_EVDEV libevdev)
+if(PC_EVDEV_FOUND)
+    find_path(EVDEV_INCLUDE_DIR libevdev/libevdev.h
+            HINTS ${PC_EVDEV_INCLUDE_DIRS} ${PC_EVDEV_INCLUDEDIR})
+    find_library(EVDEV_LIBRARY
+            NAMES evdev libevdev)
+else()
+    include(ExternalProject)
+
+    ExternalProject_Add(libevdev
+            URL http://www.freedesktop.org/software/libevdev/${LIBEVDEV_VERSION}.tar.xz
+            PREFIX ${LIBEVDEV_VERSION}
+            CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR>
+            BUILD_COMMAND "make"
+            INSTALL_COMMAND ""
+    )
+
+    ExternalProject_Get_Property(libevdev SOURCE_DIR)
+    message(STATUS "libevdev source dir: ${SOURCE_DIR}")
+    set(EVDEV_INCLUDE_DIR "${SOURCE_DIR}")
+
+    ExternalProject_Get_Property(libevdev BINARY_DIR)
+    message(STATUS "libevdev binary dir: ${BINARY_DIR}")
+    set(EVDEV_LIBRARY "${BINARY_DIR}/libevdev/.libs/libevdev.a")
+
+    # compile libevdev before sunshine
+    set(SUNSHINE_TARGET_DEPENDENCIES ${SUNSHINE_TARGET_DEPENDENCIES} libevdev)
+
+    set(EXTERNAL_PROJECT_LIBEVDEV_USED TRUE)
+endif()
+
+if(EVDEV_INCLUDE_DIR AND EVDEV_LIBRARY)
+    include_directories(SYSTEM ${EVDEV_INCLUDE_DIR})
+    list(APPEND PLATFORM_LIBRARIES ${EVDEV_LIBRARY})
+else()
+    message(FATAL_ERROR "Couldn't find or fetch libevdev")
+endif()

cmake/dependencies/unix.cmake

@@ -1,4 +1,2 @@
 # unix specific dependencies
 # put anything here that applies to both linux and macos
-
-find_package(Boost COMPONENTS locale log filesystem program_options REQUIRED)

cmake/dependencies/windows.cmake

@@ -1,7 +1,4 @@
 # windows specific dependencies
 
-set(Boost_USE_STATIC_LIBS ON)  # cmake-lint: disable=C0103
-find_package(Boost 1.71.0 COMPONENTS locale log filesystem program_options REQUIRED)
-
 # nlohmann_json
 pkg_check_modules(NLOHMANN_JSON nlohmann_json REQUIRED IMPORTED_TARGET)