Builds on knulli

cmake/targets/knulli.cmake

@@ -0,0 +1,40 @@
+# Find link platform-specific libraries
+find_package(SDL2 REQUIRED)
+find_package(OpenGL REQUIRED)
+
+# Setup endianess at compile time to optimize.
+include(TestBigEndian)
+test_big_endian(IS_BIG_ENDIAN)
+if(IS_BIG_ENDIAN)
+  target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+    DUSK_PLATFORM_ENDIAN_BIG
+  )
+else()
+  target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+    DUSK_PLATFORM_ENDIAN_LITTLE
+  )
+endif()
+
+# Link required libraries.
+target_link_libraries(${DUSK_LIBRARY_TARGET_NAME} PUBLIC 
+  SDL2
+  pthread
+  OpenGL::GL
+  GL
+  m
+)
+
+# Define platform-specific macros.
+target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+  DUSK_SDL2
+  DUSK_OPENGL
+  DUSK_LINUX
+  DUSK_DISPLAY_SIZE_DYNAMIC
+  DUSK_DISPLAY_WIDTH_DEFAULT=640
+  DUSK_DISPLAY_HEIGHT_DEFAULT=480
+  DUSK_DISPLAY_SCREEN_HEIGHT=240
+  DUSK_INPUT_KEYBOARD
+  DUSK_INPUT_POINTER
+  DUSK_INPUT_GAMEPAD
+  DUSK_TIME_DYNAMIC
+)

cmake/targets/rg35xxh.cmake

@@ -0,0 +1,5 @@
+include(cmake/targets/knulli.cmake)
+
+target_compile_definitions(${DUSK_LIBRARY_TARGET_NAME} PUBLIC
+  DUSK_RG35XXH
+)

cmake/toolchains/aarch64-linux-gnu.cmake

@@ -0,0 +1,29 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR aarch64)
+
+set(CMAKE_C_COMPILER aarch64-linux-gnu-gcc)
+set(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)
+set(CMAKE_ASM_COMPILER aarch64-linux-gnu-gcc)
+
+set(CMAKE_SYSROOT /)
+set(CMAKE_C_COMPILER_TARGET aarch64-linux-gnu)
+set(CMAKE_CXX_COMPILER_TARGET aarch64-linux-gnu)
+
+set(CMAKE_FIND_ROOT_PATH
+    /usr/aarch64-linux-gnu
+    /usr/lib/aarch64-linux-gnu
+    /usr/include/aarch64-linux-gnu
+)
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+set(ENV{PKG_CONFIG_LIBDIR} "/usr/lib/aarch64-linux-gnu/pkgconfig:/usr/share/pkgconfig")
+set(ENV{PKG_CONFIG_PATH} "/usr/lib/aarch64-linux-gnu/pkgconfig")
+
+set(CMAKE_PREFIX_PATH "/usr/aarch64-linux-gnu;/usr/lib/aarch64-linux-gnu")
+
+# Optional: helps some Find modules
+set(SDL2_DIR "/usr/lib/aarch64-linux-gnu/cmake/SDL2" CACHE PATH "")

docker/knulli/Dockerfile

@@ -0,0 +1,31 @@
+FROM debian:bookworm
+ENV DEBIAN_FRONTEND=noninteractive
+WORKDIR /workdir
+RUN dpkg --add-architecture arm64 && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends \
+        crossbuild-essential-arm64 \
+        ca-certificates \
+        pkg-config \
+        cmake \
+        make \
+        ninja-build \
+        git \
+        file \
+        python3 \
+        python3-pip \
+        python3-polib \
+        python3-pil \
+        python3-dotenv \
+        python3-pyqt5 \
+        python3-opengl \
+        liblua5.3-dev:arm64 \
+        xz-utils:arm64 \
+        libbz2-dev:arm64 \
+        zlib1g-dev:arm64 \
+        libzip-dev:arm64 \
+        libbz2-dev:arm64 \
+        libssl-dev:arm64 \
+        libsdl2-dev:arm64 \
+        libgl1-mesa-dev:arm64 && \
+    rm -rf /var/lib/apt/lists/*

scripts/build-rg35xxh-docker.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+docker build -t dusk-rg35xxh -f docker/knulli/Dockerfile .
+docker run --rm -v $(pwd):/workdir dusk-rg35xxh /bin/bash -c "./scripts/build-rg35xxh.sh"

scripts/build-rg35xxh.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+cmake -S . -B build-rg35xxh -G Ninja \
+  -DDUSK_BUILD_TESTS=ON \
+  -DDUSK_TARGET_SYSTEM=rg35xxh \
+  -DCMAKE_TOOLCHAIN_FILE=./cmake/toolchains/aarch64-linux-gnu.cmake \
+  -DCMAKE_BUILD_TYPE=Release
+cmake --build build-rg35xxh -- -j$(nproc)

src/CMakeLists.txt

@@ -10,6 +10,11 @@ if(DUSK_TARGET_SYSTEM STREQUAL "linux")
   add_subdirectory(dusksdl2)
   add_subdirectory(duskgl)
 
+elseif(DUSK_TARGET_SYSTEM STREQUAL "rg35xxh")
+  add_subdirectory(dusklinux)
+  add_subdirectory(dusksdl2)
+  add_subdirectory(duskgl)
+
 elseif(DUSK_TARGET_SYSTEM STREQUAL "psp")
   add_subdirectory(duskpsp)
   add_subdirectory(dusksdl2)