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setup.py
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setup.py
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#!/usr/bin/env python
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
import argparse
import glob
import json
import os
import platform
import re
import runpy
import shlex
import shutil
import struct
import subprocess
import sys
import sysconfig
import tempfile
import textwrap
import time
from contextlib import suppress
from functools import lru_cache, partial
from pathlib import Path
from typing import Callable, Dict, FrozenSet, Iterable, Iterator, List, Optional, Sequence, Set, Tuple, Union, cast
from glfw import glfw
from glfw.glfw import ISA, BinaryArch, Command, CompileKey, CompilerType
src_base = os.path.dirname(os.path.abspath(__file__))
def check_version_info() -> None:
with open(os.path.join(src_base, 'pyproject.toml')) as f:
raw = f.read()
m = re.search(r'''^requires-python\s*=\s*['"](.+?)['"]''', raw, flags=re.MULTILINE)
assert m is not None
minver = m.group(1)
match = re.match(r'(>=?)(\d+)\.(\d+)', minver)
assert match is not None
q = int(match.group(2)), int(match.group(3))
if match.group(1) == '>=':
is_ok = sys.version_info >= q
else:
is_ok = sys.version_info > q
if not is_ok:
exit(f'calibre requires Python {minver}. Current Python version: {".".join(map(str, sys.version_info[:3]))}')
check_version_info()
verbose = False
build_dir = 'build'
constants = os.path.join('kitty', 'constants.py')
with open(constants, 'rb') as f:
constants = f.read().decode('utf-8')
appname = re.search(r"^appname: str = '([^']+)'", constants, re.MULTILINE).group(1) # type: ignore
version = tuple(
map(
int,
re.search( # type: ignore
r"^version: Version = Version\((\d+), (\d+), (\d+)\)", constants, re.MULTILINE
).group(1, 2, 3)
)
)
_plat = sys.platform.lower()
is_macos = 'darwin' in _plat
is_openbsd = 'openbsd' in _plat
is_freebsd = 'freebsd' in _plat
is_netbsd = 'netbsd' in _plat
is_dragonflybsd = 'dragonfly' in _plat
is_bsd = is_freebsd or is_netbsd or is_dragonflybsd or is_openbsd
is_arm = platform.processor() == 'arm' or platform.machine() in ('arm64', 'aarch64')
Env = glfw.Env
env = Env()
PKGCONFIG = os.environ.get('PKGCONFIG_EXE', 'pkg-config')
link_targets: List[str] = []
macos_universal_arches = ('arm64', 'x86_64') if is_arm else ('x86_64', 'arm64')
def LinkKey(output: str) -> CompileKey:
return CompileKey('', output)
class CompilationDatabase:
def __init__(self, incremental: bool = False):
self.incremental = incremental
self.compile_commands: List[Command] = []
self.link_commands: List[Command] = []
self.post_link_commands: List[Command] = []
def add_command(
self,
desc: str,
cmd: List[str],
is_newer_func: Callable[[], bool],
key: Optional[CompileKey] = None,
on_success: Optional[Callable[[], None]] = None,
keyfile: Optional[str] = None,
is_post_link: bool = False,
) -> None:
def no_op() -> None:
pass
if is_post_link:
queue = self.post_link_commands
else:
queue = self.link_commands if keyfile is None else self.compile_commands
queue.append(Command(desc, cmd, is_newer_func, on_success or no_op, key, keyfile))
def build_all(self) -> None:
def sort_key(compile_cmd: Command) -> int:
if compile_cmd.keyfile:
return os.path.getsize(compile_cmd.keyfile)
return 0
items = []
for compile_cmd in self.compile_commands:
if not self.incremental or self.cmd_changed(compile_cmd) or compile_cmd.is_newer_func():
items.append(compile_cmd)
items.sort(key=sort_key, reverse=True)
parallel_run(items)
items = []
for compile_cmd in self.link_commands:
if not self.incremental or compile_cmd.is_newer_func():
items.append(compile_cmd)
parallel_run(items)
items = []
for compile_cmd in self.post_link_commands:
if not self.incremental or compile_cmd.is_newer_func():
items.append(compile_cmd)
parallel_run(items)
def cmd_changed(self, compile_cmd: Command) -> bool:
key, cmd = compile_cmd.key, compile_cmd.cmd
return bool(self.db.get(key) != cmd)
def __enter__(self) -> 'CompilationDatabase':
self.all_keys: Set[CompileKey] = set()
self.dbpath = os.path.abspath(os.path.join(build_dir, 'compile_commands.json'))
self.linkdbpath = os.path.join(os.path.dirname(self.dbpath), 'link_commands.json')
try:
with open(self.dbpath) as f:
compilation_database = json.load(f)
except FileNotFoundError:
compilation_database = []
try:
with open(self.linkdbpath) as f:
link_database = json.load(f)
except FileNotFoundError:
link_database = []
compilation_database = {
CompileKey(k['file'], k['output']): k['arguments'] for k in compilation_database
}
self.db = compilation_database
self.linkdb = {tuple(k['output']): k['arguments'] for k in link_database}
return self
def __exit__(self, *a: object) -> None:
cdb = self.db
for key in set(cdb) - self.all_keys:
del cdb[key]
compilation_database = [
{'file': c.key.src, 'arguments': c.cmd, 'directory': src_base, 'output': c.key.dest} for c in self.compile_commands if c.key is not None
]
with suppress(FileNotFoundError):
with open(self.dbpath, 'w') as f:
json.dump(compilation_database, f, indent=2, sort_keys=True)
with open(self.linkdbpath, 'w') as f:
json.dump([{'output': c.key, 'arguments': c.cmd, 'directory': src_base} for c in self.link_commands], f, indent=2, sort_keys=True)
class Options:
action: str = 'build'
debug: bool = False
verbose: int = 0
sanitize: bool = False
prefix: str = './linux-package'
dir_for_static_binaries: str = 'build/static'
skip_code_generation: bool = False
skip_building_kitten: bool = False
clean_for_cross_compile: bool = False
python_compiler_flags: str = ''
python_linker_flags: str = ''
incremental: bool = True
build_dsym: bool = False
ignore_compiler_warnings: bool = False
profile: bool = False
libdir_name: str = 'lib'
extra_logging: List[str] = []
extra_include_dirs: List[str] = []
extra_library_dirs: List[str] = []
link_time_optimization: bool = 'KITTY_NO_LTO' not in os.environ
update_check_interval: float = 24.0
shell_integration: str = 'enabled'
egl_library: Optional[str] = os.getenv('KITTY_EGL_LIBRARY')
startup_notification_library: Optional[str] = os.getenv('KITTY_STARTUP_NOTIFICATION_LIBRARY')
canberra_library: Optional[str] = os.getenv('KITTY_CANBERRA_LIBRARY')
systemd_library: Optional[str] = os.getenv('KITTY_SYSTEMD_LIBRARY')
fontconfig_library: Optional[str] = os.getenv('KITTY_FONTCONFIG_LIBRARY')
building_arch: str = ''
# Extras
compilation_database: CompilationDatabase = CompilationDatabase()
vcs_rev: str = ''
def emphasis(text: str) -> str:
if sys.stdout.isatty():
text = f'\033[32m{text}\033[39m'
return text
def error(text: str) -> str:
if sys.stdout.isatty():
text = f'\033[91m{text}\033[39m'
return text
def pkg_config(pkg: str, *args: str, extra_pc_dir: str = '', fatal: bool = True) -> List[str]:
env = os.environ.copy()
if extra_pc_dir:
pp = env.get('PKG_CONFIG_PATH', '')
if pp:
pp += os.pathsep
env['PKG_CONFIG_PATH'] = f'{pp}{extra_pc_dir}'
cmd = [PKGCONFIG, pkg] + list(args)
try:
return list(
filter(
None,
shlex.split(
subprocess.check_output(cmd, env=env, stderr=None if fatal else subprocess.DEVNULL).decode('utf-8')
)
)
)
except subprocess.CalledProcessError:
if fatal:
raise SystemExit(f'The package {error(pkg)} was not found on your system')
raise
def pkg_version(package: str) -> Tuple[int, int]:
ver = subprocess.check_output([
PKGCONFIG, package, '--modversion']).decode('utf-8').strip()
m = re.match(r'(\d+).(\d+)', ver)
if m is not None:
qmajor, qminor = map(int, m.groups())
return qmajor, qminor
return -1, -1
def libcrypto_flags() -> Tuple[List[str], List[str]]:
# Apple use their special snowflake TLS libraries and additionally
# have an ancient broken system OpenSSL, so we need to check for one
# installed by all the various macOS package managers.
extra_pc_dir = ''
try:
cflags = pkg_config('libcrypto', '--cflags-only-I', fatal=False)
except subprocess.CalledProcessError:
if is_macos:
import ssl
v = ssl.OPENSSL_VERSION_INFO
pats = f'{v[0]}.{v[1]}', f'{v[0]}'
for pat in pats:
q = f'opt/openssl@{pat}/lib/pkgconfig'
openssl_dirs = glob.glob(f'/opt/homebrew/{q}') + glob.glob(f'/usr/local/{q}')
if openssl_dirs:
break
else:
raise SystemExit(f'Failed to find OpenSSL version {v[0]}.{v[1]} on your system')
extra_pc_dir = os.pathsep.join(openssl_dirs)
cflags = pkg_config('libcrypto', '--cflags-only-I', extra_pc_dir=extra_pc_dir)
ldflags = pkg_config('libcrypto', '--libs', extra_pc_dir=extra_pc_dir)
# Workaround bug in homebrew openssl package. This bug appears in CI only
if is_macos and ldflags and 'homebrew/Cellar' in ldflags[0] and not ldflags[0].endswith('/lib'):
ldflags.insert(0, ldflags[0] + '/lib')
return cflags, ldflags
def at_least_version(package: str, major: int, minor: int = 0) -> None:
q = f'{major}.{minor}'
if subprocess.run([PKGCONFIG, package, f'--atleast-version={q}']
).returncode != 0:
qmajor = qminor = 0
try:
ver = subprocess.check_output([PKGCONFIG, package, '--modversion']
).decode('utf-8').strip()
m = re.match(r'(\d+).(\d+)', ver)
if m is not None:
qmajor, qminor = map(int, m.groups())
except Exception:
ver = 'not found'
if qmajor < major or (qmajor == major and qminor < minor):
raise SystemExit(f'{error(package)} >= {major}.{minor} is required, found version: {ver}')
def cc_version() -> Tuple[List[str], Tuple[int, int]]:
if 'CC' in os.environ:
q = os.environ['CC']
else:
if is_macos:
q = 'clang'
else:
if shutil.which('gcc'):
q = 'gcc'
elif shutil.which('clang'):
q = 'clang'
else:
q = 'cc'
cc = shlex.split(q)
raw = subprocess.check_output(cc + ['-dumpversion']).decode('utf-8')
ver_ = raw.strip().split('.')[:2]
try:
if len(ver_) == 1:
ver = int(ver_[0]), 0
else:
ver = int(ver_[0]), int(ver_[1])
except Exception:
ver = (0, 0)
return cc, ver
def get_python_include_paths() -> List[str]:
ans = []
for name in sysconfig.get_path_names():
if 'include' in name:
ans.append(name)
def gp(x: str) -> Optional[str]:
return sysconfig.get_path(x)
return sorted(frozenset(filter(None, map(gp, sorted(ans)))))
def get_python_flags(args: Options, cflags: List[str], for_main_executable: bool = False) -> List[str]:
if args.python_compiler_flags:
cflags.extend(shlex.split(args.python_compiler_flags))
else:
cflags.extend(f'-I{x}' for x in get_python_include_paths())
if args.python_linker_flags:
return shlex.split(args.python_linker_flags)
libs: List[str] = []
libs += (sysconfig.get_config_var('LIBS') or '').split()
libs += (sysconfig.get_config_var('SYSLIBS') or '').split()
fw = sysconfig.get_config_var('PYTHONFRAMEWORK')
if fw:
for var in 'data include stdlib'.split():
val = sysconfig.get_path(var)
if val and f'/{fw}.framework' in val:
fdir = val[:val.index(f'/{fw}.framework')]
if os.path.isdir(
os.path.join(fdir, f'{fw}.framework')
):
framework_dir = fdir
break
else:
raise SystemExit('Failed to find Python framework')
ldlib = sysconfig.get_config_var('LDLIBRARY')
if ldlib:
libs.append(os.path.join(framework_dir, ldlib))
else:
ldlib = sysconfig.get_config_var('LIBDIR')
if ldlib:
libs += [f'-L{ldlib}']
ldlib = sysconfig.get_config_var('VERSION')
if ldlib:
libs += [f'-lpython{ldlib}{sys.abiflags}']
lval = sysconfig.get_config_var('LINKFORSHARED') or ''
if not for_main_executable:
# Python sets the stack size on macOS which is not allowed unless
# compiling an executable https://github.com/kovidgoyal/kitty/issues/289
lval = re.sub(r'-Wl,-stack_size,\d+', '', lval)
libs += list(filter(None, lval.split()))
return libs
def get_sanitize_args(cc: List[str], ccver: Tuple[int, int]) -> List[str]:
return ['-fsanitize=address,undefined', '-fno-omit-frame-pointer']
def get_binary_arch(path: str) -> BinaryArch:
with open(path, 'rb') as f:
sig = f.read(64)
if sig.startswith(b'\x7fELF'): # ELF
bits = {1: 32, 2: 64}[sig[4]]
endian = {1: '<', 2: '>'}[sig[5]]
machine, = struct.unpack_from(endian + 'H', sig, 0x12)
isa = {i.value:i for i in ISA}.get(machine, ISA.Other)
elif sig[:4] in (b'\xcf\xfa\xed\xfe', b'\xce\xfa\xed\xfe'): # Mach-O
s, cpu_type, = struct.unpack_from('<II', sig, 0)
bits = {0xfeedface: 32, 0xfeedfacf: 64}[s]
cpu_type &= 0xff
isa = {0x7: ISA.AMD64, 0xc: ISA.ARM64}[cpu_type]
else:
raise SystemExit(f'Unknown binary format with signature: {sig[:4]!r}')
return BinaryArch(bits=bits, isa=isa)
def test_compile(
cc: List[str], *cflags: str,
src: str = '',
source_ext: str = 'c',
link_also: bool = True,
show_stderr: bool = False,
libraries: Iterable[str] = (),
ldflags: Iterable[str] = (),
get_output_arch: bool = False,
) -> Union[bool, BinaryArch]:
src = src or 'int main(void) { return 0; }'
with tempfile.TemporaryDirectory(prefix='kitty-test-compile-') as tdir:
with open(os.path.join(tdir, f'source.{source_ext}'), 'w', encoding='utf-8') as srcf:
print(src, file=srcf)
output = os.path.join(tdir, 'source.output')
ret = subprocess.Popen(
cc + ['-Werror=implicit-function-declaration'] + list(cflags) + ([] if link_also else ['-c']) +
['-o', output, srcf.name] +
[f'-l{x}' for x in libraries] + list(ldflags),
stdout=subprocess.DEVNULL, stdin=subprocess.DEVNULL,
stderr=None if show_stderr else subprocess.DEVNULL
).wait()
if get_output_arch:
if ret != 0:
raise SystemExit(f'Failed to determine target architecture compiling test program failed with exit code: {ret}')
return get_binary_arch(output)
return ret == 0
def first_successful_compile(cc: List[str], *cflags: str, src: str = '', source_ext: str = 'c') -> str:
for x in cflags:
if test_compile(cc, *shlex.split(x), src=src, source_ext=source_ext):
return x
return ''
def set_arches(flags: List[str], *arches: str) -> None:
while True:
try:
idx = flags.index('-arch')
except ValueError:
break
del flags[idx]
del flags[idx]
for arch in arches:
flags.extend(('-arch', arch))
def init_env(
debug: bool = False,
sanitize: bool = False,
native_optimizations: bool = True,
link_time_optimization: bool = True,
profile: bool = False,
egl_library: Optional[str] = None,
startup_notification_library: Optional[str] = None,
canberra_library: Optional[str] = None,
systemd_library: Optional[str] = None,
fontconfig_library: Optional[str] = None,
extra_logging: Iterable[str] = (),
extra_include_dirs: Iterable[str] = (),
ignore_compiler_warnings: bool = False,
building_arch: str = '',
extra_library_dirs: Iterable[str] = (),
verbose: bool = True,
vcs_rev: str = '',
) -> Env:
native_optimizations = native_optimizations and not sanitize
cc, ccver = cc_version()
if verbose:
print('CC:', cc, ccver)
stack_protector = first_successful_compile(cc, '-fstack-protector-strong', '-fstack-protector')
missing_braces = ''
if ccver < (5, 2):
missing_braces = '-Wno-missing-braces'
df = '-g3'
float_conversion = ''
if ccver >= (5, 0):
df += ' -Og'
float_conversion = '-Wfloat-conversion'
fortify_source = '' if sanitize and is_macos else '-D_FORTIFY_SOURCE=2'
optimize = df if debug or sanitize else '-O3'
sanitize_args = get_sanitize_args(cc, ccver) if sanitize else []
cppflags_ = os.environ.get(
'OVERRIDE_CPPFLAGS', '-D{}DEBUG'.format('' if debug else 'N'),
)
cppflags = shlex.split(cppflags_)
for el in extra_logging:
cppflags.append('-DDEBUG_{}'.format(el.upper().replace('-', '_')))
has_copy_file_range = test_compile(cc, src='#define _GNU_SOURCE 1\n#include <unistd.h>\nint main() { copy_file_range(1, NULL, 2, NULL, 0, 0); return 0; }')
werror = '' if ignore_compiler_warnings else '-pedantic-errors -Werror'
std = '' if is_openbsd else '-std=c11'
sanitize_flag = ' '.join(sanitize_args)
env_cflags = shlex.split(os.environ.get('CFLAGS', ''))
env_cppflags = shlex.split(os.environ.get('CPPFLAGS', ''))
env_ldflags = shlex.split(os.environ.get('LDFLAGS', ''))
cflags_ = os.environ.get(
'OVERRIDE_CFLAGS', (
f'-Wextra {float_conversion} -Wno-missing-field-initializers -Wall -Wstrict-prototypes {std}'
f' {werror} {optimize} {sanitize_flag} -fwrapv {stack_protector} {missing_braces}'
f' -pipe -fvisibility=hidden -fno-plt'
)
)
cflags = shlex.split(cflags_) + shlex.split(
sysconfig.get_config_var('CCSHARED') or ''
)
ldflags_ = os.environ.get(
'OVERRIDE_LDFLAGS',
'-Wall ' + ' '.join(sanitize_args) + ('' if debug else ' -O3')
)
ldflags = shlex.split(ldflags_)
ldflags.append('-shared')
cppflags += env_cppflags
cflags += env_cflags
if fortify_source:
for x in cflags:
if '_FORTIFY_SOURCE' in x:
break
else:
cflags.append(fortify_source)
ldflags += env_ldflags
if not debug and not sanitize and not is_openbsd and link_time_optimization:
# See https://github.com/google/sanitizers/issues/647
cflags.append('-flto')
ldflags.append('-flto')
if debug:
cflags.append('-DKITTY_DEBUG_BUILD')
if profile:
cppflags.append('-DWITH_PROFILER')
cflags.append('-g3')
ldflags.append('-lprofiler')
if debug or profile:
cflags.append('-fno-omit-frame-pointer')
library_paths: Dict[str, List[str]] = {}
def add_lpath(which: str, name: str, val: Optional[str]) -> None:
if val:
if '"' in val:
raise SystemExit(f'Cannot have quotes in library paths: {val}')
library_paths.setdefault(which, []).append(f'{name}="{val}"')
add_lpath('glfw/egl_context.c', '_GLFW_EGL_LIBRARY', egl_library)
add_lpath('kitty/desktop.c', '_KITTY_STARTUP_NOTIFICATION_LIBRARY', startup_notification_library)
add_lpath('kitty/desktop.c', '_KITTY_CANBERRA_LIBRARY', canberra_library)
add_lpath('kitty/systemd.c', '_KITTY_SYSTEMD_LIBRARY', systemd_library)
add_lpath('kitty/fontconfig.c', '_KITTY_FONTCONFIG_LIBRARY', fontconfig_library)
for path in extra_include_dirs:
cflags.append(f'-I{path}')
ldpaths = []
for path in extra_library_dirs:
ldpaths.append(f'-L{path}')
if os.environ.get("DEVELOP_ROOT"):
cflags.insert(0, f'-I{os.environ["DEVELOP_ROOT"]}/include')
ldpaths.insert(0, f'-L{os.environ["DEVELOP_ROOT"]}/lib')
if building_arch:
set_arches(cflags, building_arch)
set_arches(ldflags, building_arch)
ba = test_compile(cc, *(cppflags + cflags), ldflags=ldflags, get_output_arch=True)
assert isinstance(ba, BinaryArch)
if ba.isa not in (ISA.AMD64, ISA.X86, ISA.ARM64):
cppflags.append('-DKITTY_NO_SIMD')
control_flow_protection = ''
if ba.isa == ISA.AMD64:
control_flow_protection = '-fcf-protection=full' if ccver >= (9, 0) else ''
elif ba.isa == ISA.ARM64:
# Using -mbranch-protection=standard causes crashes on Linux ARM, reported
# in https://github.com/kovidgoyal/kitty/issues/6845#issuecomment-1835886938
if is_macos:
control_flow_protection = '-mbranch-protection=standard'
if control_flow_protection:
cflags.append(control_flow_protection)
if native_optimizations and ba.isa in (ISA.AMD64, ISA.X86):
cflags.extend('-march=native -mtune=native'.split())
ans = Env(
cc, cppflags, cflags, ldflags, library_paths, binary_arch=ba, native_optimizations=native_optimizations,
ccver=ccver, ldpaths=ldpaths, vcs_rev=vcs_rev,
)
ans.has_copy_file_range = bool(has_copy_file_range)
if verbose:
print(ans.cc_version_string.strip())
print('Detected:', ans.compiler_type)
return ans
def kitty_env(args: Options) -> Env:
ans = env.copy()
cflags = ans.cflags
cflags.append('-pthread')
cppflags = ans.cppflags
# We add 4000 to the primary version because vim turns on SGR mouse mode
# automatically if this version is high enough
ans.primary_version = version[0] + 4000
ans.secondary_version = version[1]
ans.xt_version = '.'.join(map(str, version))
at_least_version('harfbuzz', 1, 5)
cflags.extend(pkg_config('libpng', '--cflags-only-I'))
cflags.extend(pkg_config('lcms2', '--cflags-only-I'))
# simde doesnt come with pkg-config files but some Linux distros add
# them and on macOS when building with homebrew it is required
with suppress(SystemExit, subprocess.CalledProcessError):
cflags.extend(pkg_config('simde', '--cflags-only-I', fatal=False))
libcrypto_cflags, libcrypto_ldflags = libcrypto_flags()
cflags.extend(libcrypto_cflags)
if is_macos:
platform_libs = [
'-framework', 'Carbon', '-framework', 'CoreText', '-framework', 'CoreGraphics',
'-framework', 'AudioToolbox',
]
test_program_src = '''#include <UserNotifications/UserNotifications.h>
int main(void) { return 0; }\n'''
user_notifications_framework = first_successful_compile(
ans.cc, '-framework UserNotifications', src=test_program_src, source_ext='m')
if user_notifications_framework:
platform_libs.extend(shlex.split(user_notifications_framework))
else:
raise SystemExit('UserNotifications framework missing')
# Apple deprecated OpenGL in Mojave (10.14) silence the endless
# warnings about it
cppflags.append('-DGL_SILENCE_DEPRECATION')
else:
cflags.extend(pkg_config('fontconfig', '--cflags-only-I'))
platform_libs = []
cflags.extend(pkg_config('harfbuzz', '--cflags-only-I'))
platform_libs.extend(pkg_config('harfbuzz', '--libs'))
pylib = get_python_flags(args, cflags)
gl_libs = ['-framework', 'OpenGL'] if is_macos else pkg_config('gl', '--libs')
libpng = pkg_config('libpng', '--libs')
lcms2 = pkg_config('lcms2', '--libs')
ans.ldpaths += pylib + platform_libs + gl_libs + libpng + lcms2 + libcrypto_ldflags
if is_macos:
ans.ldpaths.extend('-framework Cocoa'.split())
elif not is_openbsd:
ans.ldpaths += ['-lrt']
if '-ldl' not in ans.ldpaths:
ans.ldpaths.append('-ldl')
if '-lz' not in ans.ldpaths:
ans.ldpaths.append('-lz')
return ans
def define(x: str) -> str:
return f'-D{x}'
def run_tool(cmd: Union[str, List[str]], desc: Optional[str] = None) -> None:
if isinstance(cmd, str):
cmd = shlex.split(cmd[0])
if verbose:
desc = None
print(desc or ' '.join(cmd))
p = subprocess.Popen(cmd)
ret = p.wait()
if ret != 0:
if desc:
print(' '.join(cmd))
raise SystemExit(ret)
@lru_cache
def get_vcs_rev() -> str:
ans = ''
if os.path.exists('.git'):
try:
rev = subprocess.check_output(['git', 'rev-parse', 'HEAD']).decode('utf-8')
except FileNotFoundError:
try:
with open('.git/refs/heads/master') as f:
rev = f.read()
except NotADirectoryError:
with open('.git') as f:
gitloc = f.read()
with open(os.path.join(gitloc, 'refs/heads/master')) as f:
rev = f.read()
ans = rev.strip()
return ans
@lru_cache
def base64_defines(isa: ISA) -> List[str]:
defs = {
'HAVE_AVX512': 0,
'HAVE_AVX2': 0,
'HAVE_NEON32': 0,
'HAVE_NEON64': 0,
'HAVE_SSSE3': 0,
'HAVE_SSE41': 0,
'HAVE_SSE42': 0,
'HAVE_AVX': 0,
}
if isa == ISA.ARM64:
defs['HAVE_NEON64'] = 1
elif isa == ISA.AMD64:
defs['HAVE_AVX2'] = 1
defs['HAVE_AVX'] = 1
defs['HAVE_SSE42'] = 1
defs['HAVE_SSE41'] = 1
defs['HAVE_SSE3'] = 1
elif isa == ISA.X86:
defs['HAVE_SSE42'] = 1
defs['HAVE_SSE41'] = 1
defs['HAVE_SSE3'] = 1
return [f'{k}={v}' for k, v in defs.items()]
def get_source_specific_defines(env: Env, src: str) -> Tuple[str, List[str], Optional[List[str]]]:
if src == 'kitty/vt-parser-dump.c':
return 'kitty/vt-parser.c', [], ['DUMP_COMMANDS']
if src == 'kitty/data-types.c':
if not env.vcs_rev:
env.vcs_rev = get_vcs_rev()
return src, [], [f'KITTY_VCS_REV="{env.vcs_rev}"', f'WRAPPED_KITTENS="{wrapped_kittens()}"']
if src.startswith('3rdparty/base64/'):
return src, ['3rdparty/base64',], base64_defines(env.binary_arch.isa)
if src == 'kitty/screen.c':
return src, [], [f'PRIMARY_VERSION={env.primary_version}', f'SECONDARY_VERSION={env.secondary_version}', f'XT_VERSION="{env.xt_version}"']
if src == 'kitty/fast-file-copy.c':
return src, [], (['HAS_COPY_FILE_RANGE'] if env.has_copy_file_range else None)
try:
return src, [], env.library_paths[src]
except KeyError:
return src, [], None
def get_source_specific_cflags(env: Env, src: str) -> List[str]:
ans = list(env.cflags)
# SIMD specific flags
if src in ('kitty/simd-string-128.c', 'kitty/simd-string-256.c'):
# simde recommends these are used for best performance
ans.extend(('-fopenmp-simd', '-DSIMDE_ENABLE_OPENMP'))
if env.binary_arch.isa in (ISA.AMD64, ISA.X86):
ans.append('-msse4.2' if '128' in src else '-mavx2')
if '256' in src:
# We have manual vzeroupper so prevent compiler from emitting it causing duplicates
if env.compiler_type is CompilerType.clang:
ans.append('-mllvm')
ans.append('-x86-use-vzeroupper=0')
else:
ans.append('-mno-vzeroupper')
elif src.startswith('3rdparty/base64/lib/arch/'):
if env.binary_arch.isa in (ISA.AMD64, ISA.X86):
q = src.split(os.path.sep)
if 'sse3' in q:
ans.append('-msse3')
elif 'sse41' in q:
ans.append('-msse4.1')
elif 'sse42' in q:
ans.append('-msse4.2')
elif 'avx' in q:
ans.append('-mavx')
elif 'avx2' in q:
ans.append('-mavx2')
return ans
def newer(dest: str, *sources: str) -> bool:
try:
dtime = os.path.getmtime(dest)
except OSError:
return True
for s in sources:
with suppress(FileNotFoundError):
if os.path.getmtime(s) >= dtime:
return True
return False
def dependecies_for(src: str, obj: str, all_headers: Iterable[str]) -> Iterable[str]:
dep_file = obj.rpartition('.')[0] + '.d'
try:
with open(dep_file) as f:
deps = f.read()
except FileNotFoundError:
yield src
yield from iter(all_headers)
else:
RE_INC = re.compile(
r'^(?P<target>.+?):\s+(?P<deps>.+?)$', re.MULTILINE
)
SPACE_TOK = '\x1B'
text = deps.replace('\\\n', ' ').replace('\\ ', SPACE_TOK)
for match in RE_INC.finditer(text):
files = (
f.replace(SPACE_TOK, ' ') for f in match.group('deps').split()
)
for path in files:
path = os.path.abspath(path)
if path.startswith(src_base):
yield path
def parallel_run(items: List[Command]) -> None:
try:
num_workers = max(2, os.cpu_count() or 1)
except Exception:
num_workers = 2
items = list(reversed(items))
workers: Dict[int, Tuple[Optional[Command], Optional['subprocess.Popen[bytes]']]] = {}
failed = None
num, total = 0, len(items)
def wait() -> None:
nonlocal failed
if not workers:
return
pid, s = os.wait()
compile_cmd, w = workers.pop(pid, (None, None))
if compile_cmd is None:
return
if ((s & 0xff) != 0 or ((s >> 8) & 0xff) != 0):
if failed is None:
failed = compile_cmd
elif compile_cmd.on_success is not None:
compile_cmd.on_success()
printed = False
isatty = sys.stdout.isatty()
while items and failed is None:
while len(workers) < num_workers and items:
compile_cmd = items.pop()
num += 1
if verbose:
print(' '.join(compile_cmd.cmd))
elif isatty:
print(f'\r\x1b[K[{num}/{total}] {compile_cmd.desc}', end='') # ]]
else:
print(f'[{num}/{total}] {compile_cmd.desc}', flush=True)
printed = True
w = subprocess.Popen(compile_cmd.cmd, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
workers[w.pid] = compile_cmd, w
wait()
while len(workers):
wait()
if not verbose and printed:
print(' done')
if failed:
print(failed.desc)
run_tool(list(failed.cmd))
def add_builtin_fonts(args: Options) -> None:
fonts_dir = os.path.join(src_base, 'fonts')
os.makedirs(fonts_dir, exist_ok=True)
for psname, (filename, human_name) in {
'SymbolsNFM': ('SymbolsNerdFontMono-Regular.ttf', 'Symbols NERD Font Mono')
}.items():
dest = os.path.join(fonts_dir, filename)
if os.path.exists(dest):
continue
font_file = ''
if is_macos:
for candidate in (os.path.expanduser('~/Library/Fonts'), '/Library/Fonts', '/System/Library/Fonts', '/Network/Library/Fonts'):
q = os.path.join(candidate, filename)
if os.path.exists(q):
font_file = q
break
else:
lines = subprocess.check_output([
'fc-match', '--format', '%{file}\n%{postscriptname}', f'term:postscriptname={psname}', 'file', 'postscriptname']).decode().splitlines()
if len(lines) != 2:
raise SystemExit(f'fc-match returned unexpected output: {lines}')
if lines[1] != psname:
raise SystemExit(f'The font {human_name!r} was not found on your system, please install it')
font_file = lines[0]
if not font_file:
raise SystemExit(f'The font {human_name!r} was not found on your system, please install it')
print(f'Copying {human_name!r} from {font_file}')
shutil.copy(font_file, dest)
os.chmod(dest, 0o644)
def compile_c_extension(
kenv: Env,
module: str,
compilation_database: CompilationDatabase,
sources: List[str],
headers: List[str],
desc_prefix: str = '',
build_dsym: bool = False,
) -> None:
prefix = os.path.basename(module)
objects = [
os.path.join(build_dir, f'{prefix}-{src.replace("/", "-")}.o')
for src in sources
]
for original_src, dest in zip(sources, objects):
src = original_src
cppflags = kenv.cppflags[:]
src, include_paths, defines = get_source_specific_defines(kenv, src)
if defines is not None:
cppflags.extend(map(define, defines))
cflags = get_source_specific_cflags(kenv, src)
cmd = kenv.cc + ['-MMD'] + cppflags + [f'-I{x}' for x in include_paths] + cflags
cmd += ['-c', src] + ['-o', dest]
key = CompileKey(original_src, os.path.basename(dest))
desc = f'Compiling {emphasis(desc_prefix + src)} ...'
compilation_database.add_command(desc, cmd, partial(newer, dest, *dependecies_for(src, dest, headers)), key=key, keyfile=src)
dest = os.path.join(build_dir, f'{module}.so')
real_dest = f'{module}.so'
link_targets.append(os.path.abspath(real_dest))
os.makedirs(os.path.dirname(dest), exist_ok=True)
desc = f'Linking {emphasis(desc_prefix + module)} ...'
# Old versions of clang don't like -pthread being passed to the linker
# Don't treat linker warnings as errors (linker generates spurious
# warnings on some old systems)
unsafe = {'-pthread', '-Werror', '-pedantic-errors'}
linker_cflags = list(filter(lambda x: x not in unsafe, kenv.cflags))
cmd = kenv.cc + linker_cflags + kenv.ldflags + objects + kenv.ldpaths + ['-o', dest]
def on_success() -> None:
os.rename(dest, real_dest)
compilation_database.add_command(desc, cmd, partial(newer, real_dest, *objects), on_success=on_success, key=LinkKey(f'{module}.so'))
if is_macos and build_dsym:
real_dest = os.path.abspath(real_dest)
desc = f'Linking dSYM {emphasis(desc_prefix + module)} ...'
dsym = f'{real_dest}.dSYM/Contents/Resources/DWARF/{os.path.basename(real_dest)}'
compilation_database.add_command(desc, ['dsymutil', real_dest], partial(newer, dsym, real_dest), key=LinkKey(dsym), is_post_link=True)
def find_c_files() -> Tuple[List[str], List[str]]:
ans, headers = [], []
d = 'kitty'
exclude = {
'fontconfig.c', 'freetype.c', 'desktop.c', 'freetype_render_ui_text.c'
} if is_macos else {
'core_text.m', 'cocoa_window.m', 'macos_process_info.c'
}
for x in sorted(os.listdir(d)):
ext = os.path.splitext(x)[1]
if ext in ('.c', '.m') and os.path.basename(x) not in exclude:
ans.append(os.path.join('kitty', x))
elif ext == '.h':
headers.append(os.path.join('kitty', x))
ans.append('kitty/vt-parser-dump.c')
# ringbuf
ans.append('3rdparty/ringbuf/ringbuf.c')
# base64
ans.extend(glob.glob('3rdparty/base64/lib/arch/*/codec.c'))
ans.append('3rdparty/base64/lib/tables/tables.c')
ans.append('3rdparty/base64/lib/codec_choose.c')
ans.append('3rdparty/base64/lib/lib.c')
return ans, headers
def compile_glfw(compilation_database: CompilationDatabase, build_dsym: bool = False) -> None:
modules = 'cocoa' if is_macos else 'x11 wayland'
for module in modules.split():
try:
genv = glfw.init_env(env, pkg_config, pkg_version, at_least_version, test_compile, module)
except SystemExit as err:
if module != 'wayland':
raise
print(err, file=sys.stderr)
print(error('Disabling building of wayland backend'), file=sys.stderr)
continue
sources = [os.path.join('glfw', x) for x in genv.sources]
all_headers = [os.path.join('glfw', x) for x in genv.all_headers]
if module == 'wayland':
try:
glfw.build_wayland_protocols(genv, parallel_run, emphasis, newer, 'glfw')
except SystemExit as err:
print(err, file=sys.stderr)
print(error('Disabling building of wayland backend'), file=sys.stderr)
continue
compile_c_extension(
genv, f'kitty/glfw-{module}', compilation_database,
sources, all_headers, desc_prefix=f'[{module}] ', build_dsym=build_dsym)
def kittens_env(args: Options) -> Env:
kenv = env.copy()
cflags = kenv.cflags
cflags.append('-pthread')
cflags.append('-Ikitty')
pylib = get_python_flags(args, cflags)
kenv.ldpaths += pylib
return kenv
def compile_kittens(args: Options) -> None: