cmake_minimum_required(VERSION 3.15)
project(chess)

# ── fxSDK toolchain must be active ───────────────────────────────────────────
# Run:  fxsdk build-cg
# or:   cmake -B build -DCMAKE_TOOLCHAIN_FILE=/path/to/fxSDK/toolchain.cmake
#       cmake --build build

include(GenerateG3A)   # provided by fxSDK; also handles .g4m for CG100

set(SOURCES
    src/main.c
)

# ── Add-in target ─────────────────────────────────────────────────────────────
fxconv_declare_assets(${SOURCES} WITH_BUILTIN_FONT)

add_executable(chess ${SOURCES})

target_compile_options(chess PRIVATE
    -Wall -Wextra -O2
    -ffunction-sections -fdata-sections
)

target_link_options(chess PRIVATE
    -Wl,--gc-sections
)

# Link gint (Gint runtime + CASIO OS bindings)
find_package(Gint 2.9 REQUIRED)
target_link_libraries(chess Gint::Gint)

# ── Generate the .g4m add-in file ─────────────────────────────────────────────
# Icon files: icon-cg.png must be 92×64 pixels (provided in assets/)
generate_g3a(chess OUTPUT "chess.g4m"
    NAME        "Chess AI"
    ICON        "${CMAKE_SOURCE_DIR}/assets/icon.png"
)