banan-os/CMakeLists.txt

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cmake_minimum_required(VERSION 3.26)
if(DEFINED ENV{BANAN_ARCH})
set(BANAN_ARCH $ENV{BANAN_ARCH})
else()
set(BANAN_ARCH x86_64)
endif()
set(TOOLCHAIN_PREFIX ${CMAKE_SOURCE_DIR}/toolchain/local)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}/bin/${BANAN_ARCH}-banan_os-g++)
set(CMAKE_CXX_COMPILER_WORKS True)
if(NOT EXISTS ${CMAKE_CXX_COMPILER})
set(CMAKE_CXX_COMPILER g++)
endif()
project(banan-os CXX)
set(BANAN_SYSROOT ${CMAKE_BINARY_DIR}/sysroot)
set(BANAN_INCLUDE ${BANAN_SYSROOT}/usr/include)
set(BANAN_BOOT ${BANAN_SYSROOT}/boot)
set(DISK_IMAGE_PATH ${CMAKE_BINARY_DIR}/banan-os.img)
add_subdirectory(kernel)
add_subdirectory(BAN)
add_subdirectory(libc)
add_custom_target(sysroot
COMMAND mkdir -p ${BANAN_SYSROOT}
COMMAND mkdir -p ${BANAN_BOOT}
COMMAND mkdir -p ${BANAN_INCLUDE}
COMMAND cp -r ${CMAKE_SOURCE_DIR}/base/* ${BANAN_SYSROOT}/
)
add_custom_target(headers
DEPENDS kernel-headers
DEPENDS ban-headers
DEPENDS libc-headers
)
add_custom_target(toolchain
COMMAND ${CMAKE_COMMAND} -E env SYSROOT="${BANAN_SYSROOT}" PREFIX="${TOOLCHAIN_PREFIX}" ARCH="${BANAN_ARCH}" ${CMAKE_SOURCE_DIR}/toolchain/build.sh
DEPENDS headers
USES_TERMINAL
)
add_custom_target(image
COMMAND ${CMAKE_COMMAND} -E env SYSROOT="${BANAN_SYSROOT}" DISK_IMAGE_PATH="${DISK_IMAGE_PATH}" ${CMAKE_SOURCE_DIR}/image.sh
DEPENDS kernel-install
DEPENDS ban-install
DEPENDS libc-install
USES_TERMINAL
)
add_custom_target(image-full
COMMAND ${CMAKE_COMMAND} -E env SYSROOT="${BANAN_SYSROOT}" DISK_IMAGE_PATH="${DISK_IMAGE_PATH}" ${CMAKE_SOURCE_DIR}/image-full.sh
DEPENDS kernel-install
DEPENDS ban-install
DEPENDS libc-install
USES_TERMINAL
)
add_custom_target(qemu
COMMAND ${CMAKE_COMMAND} -E env BANAN_ARCH="${BANAN_ARCH}" DISK_IMAGE_PATH="${DISK_IMAGE_PATH}" ${CMAKE_SOURCE_DIR}/qemu.sh
DEPENDS image
USES_TERMINAL
)
add_custom_target(bochs
COMMAND ${CMAKE_COMMAND} -E env DISK_IMAGE_PATH="${DISK_IMAGE_PATH}" ${CMAKE_SOURCE_DIR}/bochs.sh
DEPENDS image
USES_TERMINAL
)