Change colors, try to cross compile

CMakeLists.txt

@@ -1,25 +1,65 @@
-cmake_minimum_required(VERSION 3.31)
+cmake_minimum_required(VERSION 3.16)
 project(RISCB C)
 
 set(CMAKE_C_STANDARD 23)
 
 find_package(PkgConfig REQUIRED)
-pkg_check_modules(SDL2 REQUIRED sdl2)
 
-add_executable(RISCB main.c
-        util/font.c
-        util/font.h
-        assembler/assembler.c
-        assembler/assembler.h
-        cpu/memory.c
-        cpu/memory.h
-        cpu/core.c
-        cpu/core.h
-        util/texteditor.c
-        util/texteditor.h
-        util/hexdump.c
-        util/hexdump.h
-        util/cpustatusui.c
-        util/cpustatusui.h)  # Ensure the target is defined before linking
+# Allow setting the target platform manually
+if (NOT DEFINED TARGET_PLATFORM)
+    if (WIN32)
+        set(TARGET_PLATFORM windows)
+    elseif (UNIX)
+        set(TARGET_PLATFORM linux)
+    else ()
+        message(FATAL_ERROR "Unsupported platform. Please set TARGET_PLATFORM manually.")
+    endif ()
+endif ()
 
+message(STATUS "Target platform: ${TARGET_PLATFORM}")
+
+# Detect build type and configure SDL2 paths accordingly
+if (TARGET_PLATFORM STREQUAL "windows")
+    include_directories(${SDL2_INCLUDE_DIR})
+elseif (TARGET_PLATFORM STREQUAL "mingw")
+    set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
+    set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
+    find_package(SDL2 REQUIRED)
+    find_package(SDL2_ttf REQUIRED)
+    include_directories(${SDL2_INCLUDE_DIRS})
+    link_directories(${SDL2_LIBRARY_DIRS})
+    add_definitions(${SDL2_CFLAGS_OTHER})
+elseif (TARGET_PLATFORM STREQUAL "linux")
+    pkg_check_modules(SDL2 REQUIRED sdl2)
+    pkg_check_modules(SDL2_TTF REQUIRED SDL2_ttf)
+    include_directories(${SDL2_INCLUDE_DIRS})
+    add_definitions(${SDL2_CFLAGS_OTHER})
+else ()
+    message(FATAL_ERROR "Unsupported TARGET_PLATFORM: ${TARGET_PLATFORM}")
+endif ()
+
+# Define source files
+set(SOURCE_FILES
+        main.c
+        util/font.c util/font.h
+        assembler/assembler.c assembler/assembler.h
+        cpu/memory.c cpu/memory.h
+        cpu/core.c cpu/core.h
+        util/texteditor.c util/texteditor.h
+        util/hexdump.c util/hexdump.h
+        util/cpustatusui.c util/cpustatusui.h
+)
+
+# Build the target executable
+add_executable(RISCB ${SOURCE_FILES})
 target_link_libraries(RISCB SDL2 SDL2_ttf m)
+
+# Cross-compile Windows executable on Unix
+if (UNIX AND TARGET_PLATFORM STREQUAL "mingw")
+    add_executable(RISCB_WIN32 ${SOURCE_FILES})
+    set_target_properties(RISCB_WIN32 PROPERTIES COMPILE_FLAGS "-mwindows")
+    set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
+    set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
+    add_definitions(-DSDL_MAIN_HANDLED)
+    target_link_libraries(RISCB_WIN32 mingw32 SDL2main SDL2 SDL2_ttf -static-libgcc -static-libstdc++)
+endif ()