62 lines
1.6 KiB
CMake
62 lines
1.6 KiB
CMake
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file(GLOB HEADERS include/*.h)
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set(SOURCES
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${HEADERS}
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src/stdio.cpp
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src/stdlib.cpp
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src/unistd.cpp
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)
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if(${ARCH} STREQUAL "x86_64")
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set(SOURCES
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${SOURCES}
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src/arch/x86_64/syscall.S
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)
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endif()
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add_library(crt0 STATIC src/arch/${ARCH}/crt0.S)
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add_custom_command(
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TARGET crt0
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COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_OBJECTS:crt0> ${LUNA_BASE}/usr/lib/crt0.o
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)
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add_library(crti STATIC src/arch/${ARCH}/crti.S)
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add_custom_command(
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TARGET crti
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COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_OBJECTS:crti> ${LUNA_BASE}/usr/lib/crti.o
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)
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add_library(crtn STATIC src/arch/${ARCH}/crtn.S)
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add_custom_command(
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TARGET crt0
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COMMAND "${CMAKE_COMMAND}" -E copy $<TARGET_OBJECTS:crtn> ${LUNA_BASE}/usr/lib/crtn.o
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)
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add_library(bare_libc STATIC ${SOURCES})
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target_link_libraries(bare_libc PUBLIC luna)
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target_include_directories(bare_libc PUBLIC include/)
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target_compile_options(bare_libc PRIVATE -Wall -Wextra -Werror -pedantic -nostdlib)
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target_link_options(bare_libc PRIVATE -nostdlib)
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set_target_properties(bare_libc PROPERTIES CXX_STANDARD 20)
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add_custom_target(libc
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COMMAND ${CMAKE_AR} -x $<TARGET_FILE:bare_libc>
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COMMAND ${CMAKE_AR} -x $<TARGET_FILE:luna>
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COMMAND ${CMAKE_AR} -rcs ${CMAKE_CURRENT_BINARY_DIR}/libc.a *.o
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COMMAND rm *.o
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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DEPENDS bare_libc luna
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)
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add_custom_command(
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TARGET libc
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COMMAND "${CMAKE_COMMAND}" -E copy ${CMAKE_CURRENT_BINARY_DIR}/libc.a ${LUNA_BASE}/usr/lib/libc.a
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)
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file(WRITE "${LUNA_BASE}/usr/lib/libm.a" "INPUT(libc.a)")
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