Enrico Fraccaroli
141 lines
5.3 KiB
CMake
141 lines
5.3 KiB
CMake
# =============================================================================
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# Author: Enrico Fraccaroli
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# =============================================================================
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# Set the minimum required version of cmake.
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cmake_minimum_required(VERSION 2.8)
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# Initialize the project.
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project(libc C ASM)
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# =============================================================================
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# Set the default build type to Debug.
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if(NOT CMAKE_BUILD_TYPE)
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message(STATUS "Setting build type to 'Debug' as none was specified.")
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set(CMAKE_BUILD_TYPE
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"Debug"
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CACHE STRING "Choose the type of build." FORCE)
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endif()
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# =============================================================================
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# Enable the assembly language.
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enable_language(ASM)
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# Find the NASM compiler.
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find_program(ASM_COMPILER
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NAMES nasm
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HINTS /usr/bin/ ${CMAKE_SOURCE_DIR}/third_party/nasm/bin
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)
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# Check that we have found the compiler.
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if(NOT ASM_COMPILER)
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message(FATAL_ERROR "ASM compiler not found!")
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endif(NOT ASM_COMPILER)
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# Set the asm compiler.
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set(CMAKE_ASM_COMPILER ${ASM_COMPILER})
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# Set the assembly compiler flags.
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -f elf")
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set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <FLAGS> -o <OBJECT> <SOURCE>")
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if(CMAKE_BUILD_TYPE STREQUAL "Debug")
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -g")
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O0")
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -F dwarf")
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elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -g")
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set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -O3")
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endif(CMAKE_BUILD_TYPE STREQUAL "Debug")
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# =============================================================================
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# Warning flags.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
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#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpedantic")
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#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-variable")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unknown-pragmas")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-but-set-variable")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
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# Set the C compiler options.
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdlib")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-builtin")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
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if(CMAKE_BUILD_TYPE STREQUAL "Debug")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
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elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
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endif(CMAKE_BUILD_TYPE STREQUAL "Debug")
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# =============================================================================
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# Add the library.
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add_library(
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${PROJECT_NAME}
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${PROJECT_SOURCE_DIR}/src/stdio.c
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${PROJECT_SOURCE_DIR}/src/ctype.c
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${PROJECT_SOURCE_DIR}/src/string.c
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${PROJECT_SOURCE_DIR}/src/stdlib.c
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${PROJECT_SOURCE_DIR}/src/math.c
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${PROJECT_SOURCE_DIR}/src/fcvt.c
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${PROJECT_SOURCE_DIR}/src/time.c
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${PROJECT_SOURCE_DIR}/src/strerror.c
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${PROJECT_SOURCE_DIR}/src/termios.c
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${PROJECT_SOURCE_DIR}/src/libgen.c
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${PROJECT_SOURCE_DIR}/src/vsprintf.c
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${PROJECT_SOURCE_DIR}/src/vscanf.c
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${PROJECT_SOURCE_DIR}/src/pwd.c
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${PROJECT_SOURCE_DIR}/src/grp.c
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${PROJECT_SOURCE_DIR}/src/sched.c
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${PROJECT_SOURCE_DIR}/src/setenv.c
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${PROJECT_SOURCE_DIR}/src/assert.c
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${PROJECT_SOURCE_DIR}/src/abort.c
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${PROJECT_SOURCE_DIR}/src/io/mm_io.c
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${PROJECT_SOURCE_DIR}/src/io/port_io.c
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${PROJECT_SOURCE_DIR}/src/ipc/ipc.c
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${PROJECT_SOURCE_DIR}/src/sys/unistd.c
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${PROJECT_SOURCE_DIR}/src/sys/errno.c
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${PROJECT_SOURCE_DIR}/src/sys/utsname.c
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${PROJECT_SOURCE_DIR}/src/sys/ioctl.c
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${PROJECT_SOURCE_DIR}/src/unistd/getppid.c
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${PROJECT_SOURCE_DIR}/src/unistd/getpid.c
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${PROJECT_SOURCE_DIR}/src/unistd/exit.c
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${PROJECT_SOURCE_DIR}/src/unistd/setsid.c
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${PROJECT_SOURCE_DIR}/src/unistd/getsid.c
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${PROJECT_SOURCE_DIR}/src/unistd/setgid.c
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${PROJECT_SOURCE_DIR}/src/unistd/getgid.c
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${PROJECT_SOURCE_DIR}/src/unistd/fork.c
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${PROJECT_SOURCE_DIR}/src/unistd/read.c
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${PROJECT_SOURCE_DIR}/src/unistd/write.c
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${PROJECT_SOURCE_DIR}/src/unistd/exec.c
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${PROJECT_SOURCE_DIR}/src/unistd/nice.c
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${PROJECT_SOURCE_DIR}/src/unistd/open.c
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${PROJECT_SOURCE_DIR}/src/unistd/reboot.c
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${PROJECT_SOURCE_DIR}/src/unistd/waitpid.c
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${PROJECT_SOURCE_DIR}/src/unistd/chdir.c
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${PROJECT_SOURCE_DIR}/src/unistd/getcwd.c
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${PROJECT_SOURCE_DIR}/src/unistd/close.c
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${PROJECT_SOURCE_DIR}/src/unistd/stat.c
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${PROJECT_SOURCE_DIR}/src/unistd/rmdir.c
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${PROJECT_SOURCE_DIR}/src/unistd/mkdir.c
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${PROJECT_SOURCE_DIR}/src/unistd/unlink.c
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${PROJECT_SOURCE_DIR}/src/unistd/getdents.c
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${PROJECT_SOURCE_DIR}/src/unistd/lseek.c
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${PROJECT_SOURCE_DIR}/src/unistd/kill.c
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${PROJECT_SOURCE_DIR}/src/unistd/signal.c
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${PROJECT_SOURCE_DIR}/src/unistd/interval.c
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${PROJECT_SOURCE_DIR}/src/libc_start.c
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${PROJECT_SOURCE_DIR}/src/debug.c
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${PROJECT_SOURCE_DIR}/src/crt0.S
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)
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# Add the includes.
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target_include_directories(${PROJECT_NAME} PUBLIC inc)
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# Remove the 'lib' prefix.
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set_target_properties(${PROJECT_NAME} PROPERTIES PREFIX "")
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