ladybird/Kernel/Prekernel/CMakeLists.txt
Gunnar Beutner 412ce31f7f Prekernel: Don't build the prekernel as a PIE image
This is unnecessary because the prekernel is always loaded at a known
base address.
2021-07-23 19:06:51 +02:00

30 lines
943 B
CMake

set(SOURCES
boot.S
multiboot.S
init.cpp
UBSanitizer.cpp
../MiniStdLib.cpp
)
if ("${SERENITY_ARCH}" STREQUAL "i686")
set(PREKERNEL_TARGET Prekernel32)
else()
set(PREKERNEL_TARGET Prekernel64)
endif()
add_executable(${PREKERNEL_TARGET} ${SOURCES})
target_compile_options(${PREKERNEL_TARGET} PRIVATE -no-pie -fno-pic)
target_link_options(${PREKERNEL_TARGET} PRIVATE LINKER:-T ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld -nostdlib)
set_target_properties(${PREKERNEL_TARGET} PROPERTIES LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld)
target_link_libraries(${PREKERNEL_TARGET} gcc supc++)
add_custom_command(
TARGET ${PREKERNEL_TARGET} POST_BUILD
COMMAND ${TOOLCHAIN_PREFIX}objcopy -O elf32-i386 ${CMAKE_CURRENT_BINARY_DIR}/${PREKERNEL_TARGET} ${CMAKE_CURRENT_BINARY_DIR}/Prekernel
BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/Prekernel
)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/Prekernel" DESTINATION boot)