Add basic support for cmake on linux

src/CMakeLists.txt

@@ -0,0 +1,112 @@
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
+
+if(${RE3_AUDIO} STREQUAL "OAL")
+        find_package(OpenAL REQUIRED)
+        find_package(MPG123 REQUIRED)
+        find_package(SndFile REQUIRED)
+endif()
+
+file(GLOB_RECURSE Sources "*.cpp" "*.h")
+
+MACRO(HEADER_DIRECTORIES return_list)
+    FILE(GLOB_RECURSE new_list *.cpp)
+    SET(dir_list "animation"
+            "audio"
+            "control"
+            "core"
+            "entities"
+            "extras"
+            "fakerw"
+            "math"
+            "modelinfo"
+            "objects"
+            "peds"
+            "render"
+            "rw"
+            "save"
+            "skel"
+            "text"
+            "vehicles"
+            "weapons")
+    FOREACH(file_path ${new_list})
+        GET_FILENAME_COMPONENT(dir_path ${file_path} PATH)
+        SET(dir_list ${dir_list} ${dir_path})
+    ENDFOREACH()
+    LIST(REMOVE_DUPLICATES dir_list)
+    SET(${return_list} ${dir_list})
+ENDMACRO()
+
+HEADER_DIRECTORIES(header_list)
+include_directories(${header_list})
+
+
+add_executable(re3 ${Sources})
+target_link_libraries(re3 librw)
+target_link_libraries(re3 Threads::Threads)
+
+if(${RE3_AUDIO} STREQUAL "OAL")
+        target_link_libraries(re3 ${OPENAL_LIBRARY})
+        target_link_libraries(re3 ${MPG123_LIBRARIES})
+        target_link_libraries(re3 ${SNDFILE_LIBRARIES})
+endif()
+
+target_include_directories(re3
+    INTERFACE
+        $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
+    )
+
+target_compile_definitions(re3
+    PRIVATE
+        "$<IF:$<CONFIG:DEBUG>,DEBUG,NDEBUG>"
+    PUBLIC
+        "RW_${RE3_PLATFORM}"
+    )
+
+target_compile_definitions(re3 PRIVATE LIBRW=1 AUDIO_OAL=1)
+
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+    target_compile_options(re3
+        PRIVATE
+            "-Wall"
+        )
+    if (NOT RE3_PLATFORM_PS2)
+        target_compile_options(re3
+            PRIVATE
+                "-Wextra"
+                "-Wdouble-promotion"
+                "-Wpedantic"
+            )
+    endif()
+elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    target_compile_options(re3
+        PUBLIC
+            /wd4996 /wd4244
+        )
+endif()
+
+set_target_properties(re3
+    PROPERTIES
+        C_STANDARD 11
+        C_EXTENSIONS OFF
+        C_STANDARD_REQUIRED ON
+        CXX_STANDARD 11
+        CXX_EXTENSIONS OFF
+        CXX_STANDARD_REQUIRED ON
+        PREFIX ""
+    )
+
+if(RE3_INSTALL)
+    target_include_directories(re3
+        INTERFACE
+            $<INSTALL_INTERFACE:${RE3_INSTALL_INCLUDEDIR}>
+        )
+
+    install(
+        TARGETS re3
+        EXPORT re3-targets
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        )
+endif()