user: implement mlibc as the libc, finally.
It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
This commit is contained in:
kaguya
@@ -0,0 +1,170 @@
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sysdep_supported_options = {
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'posix': true,
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'linux': true,
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'glibc': true,
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'bsd': true,
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}
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rtld_dso_sources += files(
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host_machine.cpu_family() / 'arch-syscall.cpp',
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'generic/sysdeps.cpp',
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)
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linux_include_dirs = [
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include_directories(host_machine.cpu_family()),
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include_directories('include-internal/'),
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]
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rtld_include_dirs += linux_include_dirs
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libc_include_dirs += linux_include_dirs
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libc_sources += files(
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host_machine.cpu_family() / 'signals.S',
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host_machine.cpu_family() / 'arch-syscall.cpp',
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host_machine.cpu_family() / 'assembly-asserts.cpp',
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'generic/entry.cpp',
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'generic/sysdeps.cpp',
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)
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if get_option('posix_option').allowed()
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libc_sources += files(
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'generic/thread.cpp',
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host_machine.cpu_family() / 'cp_syscall.S',
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host_machine.cpu_family() / 'thread_entry.S'
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)
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endif
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if not no_headers
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install_headers(
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'include/abi-bits/auxv.h',
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'include/abi-bits/seek-whence.h',
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'include/abi-bits/vm-flags.h',
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'include/abi-bits/errno.h',
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'include/abi-bits/fcntl.h',
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'include/abi-bits/in.h',
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'include/abi-bits/stat.h',
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'include/abi-bits/statx.h',
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'include/abi-bits/signal.h',
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'include/abi-bits/reboot.h',
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'include/abi-bits/resource.h',
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'include/abi-bits/socket.h',
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'include/abi-bits/termios.h',
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'include/abi-bits/time.h',
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'include/abi-bits/blkcnt_t.h',
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'include/abi-bits/blksize_t.h',
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'include/abi-bits/dev_t.h',
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'include/abi-bits/gid_t.h',
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'include/abi-bits/ino_t.h',
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'include/abi-bits/mode_t.h',
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'include/abi-bits/nlink_t.h',
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'include/abi-bits/pid_t.h',
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'include/abi-bits/uid_t.h',
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'include/abi-bits/access.h',
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'include/abi-bits/wait.h',
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'include/abi-bits/limits.h',
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'include/abi-bits/utsname.h',
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'include/abi-bits/ptrace.h',
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'include/abi-bits/vt.h',
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'include/abi-bits/ptrace.h',
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'include/abi-bits/poll.h',
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'include/abi-bits/epoll.h',
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'include/abi-bits/packet.h',
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'include/abi-bits/inotify.h',
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'include/abi-bits/clockid_t.h',
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'include/abi-bits/ipc.h',
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'include/abi-bits/shm.h',
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'include/abi-bits/mqueue.h',
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'include/abi-bits/suseconds_t.h',
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'include/abi-bits/fsfilcnt_t.h',
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'include/abi-bits/fsblkcnt_t.h',
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'include/abi-bits/socklen_t.h',
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'include/abi-bits/statfs.h',
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'include/abi-bits/statvfs.h',
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'include/abi-bits/ioctls.h',
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'include/abi-bits/xattr.h',
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'include/abi-bits/msg.h',
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'include/abi-bits/random.h',
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'include/abi-bits/rlim_t.h',
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'include/abi-bits/sigval.h',
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'include/abi-bits/sigevent.h',
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'include/abi-bits/utmpx.h',
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'include/abi-bits/utmp-defines.h',
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subdir: 'abi-bits',
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follow_symlinks: true
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)
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if host_machine.cpu_family() == 'riscv64'
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install_headers(
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'include/abi-bits/riscv-hwprobe.h',
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subdir: 'abi-bits',
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follow_symlinks: true
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)
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endif
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install_headers('include/syscall.h')
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install_headers('include/sys/syscall.h', subdir: 'sys')
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install_headers(
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'include/bits/syscall.h',
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'include/bits/syscall_aliases.h',
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subdir: 'bits'
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)
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endif
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if not headers_only
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crt = custom_target('crt1',
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build_by_default: true,
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command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
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input: host_machine.cpu_family() / 'crt-src/crt1.S',
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output: 'crt1.o',
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install: true,
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install_dir: get_option('libdir')
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)
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crt_pie = custom_target('Scrt1',
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build_by_default: true,
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command: c_compiler.cmd_array() + ['-fPIE', '-c', '-o', '@OUTPUT@', '@INPUT@'],
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input: host_machine.cpu_family() / 'crt-src/Scrt1.S',
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output: 'Scrt1.o',
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install: true,
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install_dir: get_option('libdir')
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)
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# On RISC-V and LoongArch, crti.o and crtn.o are provided by GCC.
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if host_machine.cpu_family() != 'riscv64' and host_machine.cpu_family() != 'loongarch64'
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custom_target('crti',
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build_by_default: true,
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command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
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input: host_machine.cpu_family() / 'crt-src/crti.S',
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output: 'crti.o',
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install: true,
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install_dir: get_option('libdir')
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)
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custom_target('crtn',
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build_by_default: true,
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command: c_compiler.cmd_array() + ['-c', '-o', '@OUTPUT@', '@INPUT@'],
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input: host_machine.cpu_family() / 'crt-src/crtn.S',
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output: 'crtn.o',
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install: true,
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install_dir: get_option('libdir')
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)
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endif
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wrapper_conf = configuration_data()
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wrapper_conf.set('LIBDIR', get_option('libdir'))
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wrapper_conf.set('PREFIX', get_option('prefix'))
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specs = configure_file(input: 'mlibc-gcc.specs.in',
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output: 'mlibc-gcc.specs',
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configuration: wrapper_conf)
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wrapper_script = configure_file(input: 'mlibc-gcc.in',
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output: 'mlibc-gcc',
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configuration: wrapper_conf)
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install_data(specs,
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install_dir: get_option('libdir')
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)
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install_data(wrapper_script,
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install_dir: get_option('bindir')
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)
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endif
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