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https://github.com/encounter/osdev.git
synced 2026-07-10 12:18:43 -07:00
Luke Street
27 lines
1.1 KiB
CMake
27 lines
1.1 KiB
CMake
cmake_minimum_required(VERSION 3.2)
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project(libc)
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set(CMAKE_ASM_NASM_OBJECT_FORMAT elf)
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enable_language(ASM_NASM)
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set(CMAKE_C_FLAGS "-m32 -std=c11 -ffreestanding -fno-pie -fshort-enums -Wall -Werror -Wno-error=unused-variable -Wno-error=attributes")
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# if clang: -Wno-error=unused-command-line-argument -nobuiltininc
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc -fno-builtin -nostdlib -nodefaultlibs")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-stack-protector") # FIXME generates bad code using `mov eax, large gs:14h`?
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set(CMAKE_C_FLAGS_DEBUG "-gdwarf-4 -DENABLE_DWARF")
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if (NOT CMAKE_HOST_APPLE)
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -fsanitize=undefined")
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endif()
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set(CMAKE_C_FLAGS_RELEASE "-Os")
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if (CMAKE_HOST_APPLE)
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set(CMAKE_C_COMPILER i386-elf-gcc)
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set(CMAKE_AR i386-elf-ar)
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set(CMAKE_RANLIB i386-elf-ranlib)
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endif ()
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include_directories(${CMAKE_SOURCE_DIR}/libc)
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add_library(c STATIC string math vector byteswap ctype errno wchar stdio.c stdio.h
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stddef.h stdarg.h
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stdio/printf stdio/fprintf stdio/sprintf stdio/snprintf stdio/vfprintf stdio/vsprintf
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stdio/vsnprintf) |