prep for 2025

cmake/platform.cmake

@@ -0,0 +1,98 @@
+# cmake/platform.cmake
+# Platform detection + compiler options
+
+if(DEFINED PLATFORM_CONFIG_INCLUDED)
+    return()
+endif()
+set(PLATFORM_CONFIG_INCLUDED TRUE)
+
+# -------------------------------------------------------
+# Platform detection
+# -------------------------------------------------------
+if(APPLE)
+    set(PLATFORM "macOS")
+    message(STATUS "Platform: ${PLATFORM}")
+
+    set(PLATFORM_LINK_LIBRARIES
+        "-framework Cocoa"
+        "-framework IOKit"
+        "-framework CoreVideo"
+        "-framework OpenGL"
+    )
+
+elseif(UNIX AND NOT APPLE AND NOT EMSCRIPTEN) # Linux, BSD, etc.
+    set(PLATFORM "Linux")
+    message(STATUS "Platform: ${PLATFORM}")
+
+    set(PLATFORM_LINK_LIBRARIES
+        dl
+        m
+        GL
+        X11
+    )
+
+elseif(WIN32)
+    set(PLATFORM "Windows")
+    message(STATUS "Platform: ${PLATFORM}")
+
+    set(PLATFORM_LINK_LIBRARIES
+        OpenGL32.lib
+    )
+
+    set(PLATFORM_DEFINITIONS
+        ${PLATFORM_DEFINITIONS}
+        "_WIN32_WINNT=0x0A00"
+    )
+
+elseif(EMSCRIPTEN)
+    set(PLATFORM "Emscripten")
+    message(STATUS "Platform: ${PLATFORM}")
+
+    # Emscripten specific flags (not the warnings; those are below)
+    add_compile_options(
+        -pthread
+        -fexceptions
+        -sUSE_PTHREADS=1
+    )
+    add_link_options(
+        -pthread
+        -fexceptions
+        -sUSE_PTHREADS=1
+    )
+
+else()
+    message(FATAL_ERROR "Platform: Unknown!")
+endif()
+
+# -------------------------------------------------------
+# Compiler specific options (BASE_OPTIONS)
+# -------------------------------------------------------
+if(NOT MSVC)
+    set(BASE_OPTIONS
+        -Wall
+        -Wextra
+        -Werror
+        # fmt warnings
+        -Wno-deprecated-literal-operator
+    )
+
+    if(EMSCRIPTEN)
+        list(APPEND BASE_OPTIONS
+            # asio
+            -Wno-sign-conversion
+            -Wno-shadow
+            -Wno-shorten-64-to-32
+            -Wno-implicit-int-conversion
+            -Wno-unused-private-field
+            -Wno-deprecated-declarations
+        )
+    endif()
+else()
+    set(BASE_OPTIONS
+        /W4
+        /WX          # warnings as errors (MSVC equivalent of -Werror)
+        /utf-8
+        /Zc:__cplusplus
+        #/fsanitize=address  # Doesn't work without Visual Studio
+    )
+endif()