Karina
65 lines
1.8 KiB
CMake
65 lines
1.8 KiB
CMake
cmake_minimum_required(VERSION 3.16)
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project(libterm LANGUAGES C ASM_NASM)
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set(USER_C_FLAGS
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-ffreestanding
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-fno-builtin
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-Wno-incompatible-library-redeclaration # stfu
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-nostdlib
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-nostdinc
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-fno-stack-protector
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-fno-pic
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-fno-pie
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-m64
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-mno-red-zone
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-mcmodel=small
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-Wall
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-Wextra
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-Werror
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-O2
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)
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set(CMAKE_ASM_NASM_FLAGS "-f elf64")
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set(LIBTERM_SOURCES
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${CMAKE_CURRENT_SOURCE_DIR}/src/syscalls.asm
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${CMAKE_CURRENT_SOURCE_DIR}/src/stdio.c
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${CMAKE_CURRENT_SOURCE_DIR}/src/malloc.c
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${CMAKE_CURRENT_SOURCE_DIR}/src/string.c
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${CMAKE_CURRENT_SOURCE_DIR}/src/ctype.c
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${CMAKE_CURRENT_SOURCE_DIR}/src/process.c
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)
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add_library(term STATIC ${LIBTERM_SOURCES})
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target_compile_options(term PRIVATE $<$<COMPILE_LANGUAGE:C>:${USER_C_FLAGS}>)
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target_include_directories(term PUBLIC inc)
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add_library(crt0_obj OBJECT src/crt0.asm)
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target_compile_options(crt0_obj PRIVATE $<$<COMPILE_LANGUAGE:C>:${USER_C_FLAGS}>)
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function(add_termos_executable NAME SOURCES)
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add_executable(${NAME} ${SOURCES})
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target_sources(${NAME} PRIVATE $<TARGET_OBJECTS:crt0_obj>)
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target_compile_options(${NAME} PRIVATE $<$<COMPILE_LANGUAGE:C>:${USER_C_FLAGS}>)
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target_link_libraries(${NAME} PRIVATE term)
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target_link_options(${NAME} PRIVATE
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-T ${libterm_SOURCE_DIR}/linker.ld
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-nostdlib
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-static
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)
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set(ELF2HOT_DIR "${CMAKE_SOURCE_DIR}/tools/elf2hot")
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set(FINAL_HOT_PATH "${CMAKE_SOURCE_DIR}/initramfs/${NAME}")
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add_custom_command(TARGET ${NAME} POST_BUILD
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COMMAND cargo run --release --quiet -- $<TARGET_FILE:${NAME}> ${FINAL_HOT_PATH}
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WORKING_DIRECTORY ${ELF2HOT_DIR}
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COMMENT "elf2hot: Converting ${NAME} to HOT! format..."
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VERBATIM
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)
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endfunction() |