added cmake

src/CMakeLists.txt

@@ -0,0 +1,49 @@
+cmake_minimum_required(VERSION 3.21)
+project(Engine)
+
+# set output directories
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib/static)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+
+# configure C11
+set(CMAKE_C_STANDARD 11)          # request C11
+set(CMAKE_C_STANDARD_REQUIRED ON) # enforce requested standard
+set(CMAKE_C_EXTENSIONS OFF)       # disable compiler specific extensions
+
+# configure C++17
+set(CMAKE_CXX_STANDARD 17)          # request C++17
+set(CMAKE_CXX_STANDARD_REQUIRED ON) # enforce requested standard
+set(CMAKE_CXX_EXTENSIONS OFF)       # disable compiler specific extensions
+
+# helper function to simplify definition of projects
+function(target name)
+    file(GLOB_RECURSE SRC "${name}/*")   # recursively collect all files in sub-folder for project
+    add_executable(${name} ${SRC})       # define project "name" based on files found in SRC
+
+    #set required warning flags
+    if("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU"   OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR
+            "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+        target_compile_options(${name} PRIVATE
+                -Wall        # enable "all" warnings
+                -Wextra      # enable extra warnings
+                -Wpedantic   # enable strict conformance warnings
+                -Wconversion # enable warnings for dangerous implicit conversions
+                -Werror=vla  # disable support for VLAs
+                )
+        target_link_libraries(${name} PRIVATE
+                m # math library must be explicitly linked on Unix
+                )
+    elseif("${CMAKE_C_COMPILER_ID}" STREQUAL "MSVC" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+        target_compile_options(${name} PRIVATE
+                /W4          # enable almost all "necessary" warnings
+                /permissive- # enforce strict standard compliance
+                /JMC         # optimize debugging experience
+                /MP          # enable parallel compilation
+                )
+    else()
+        message(WARNING "unknown compiler, no warning flags set!")
+    endif()
+endfunction()
+
+target(Engine) # Foldername of the source code