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import os
import shutil
import subprocess
import platform
from .toolchain import AnyToolchain
def format_meson_cross_file_command(command: str) -> str:
splitted = command.split()
if len(splitted) == 1:
return repr(command)
return repr(splitted)
def make_cross_file(toolchain: AnyToolchain) -> str:
if toolchain.is_windows:
system = 'windows'
windres = "windres = '%s'" % toolchain.windres
else:
system = 'linux'
windres = ''
if toolchain.is_arm:
cpu_family = 'arm'
if toolchain.is_armv7:
cpu = 'armv7'
else:
cpu = 'armv6'
elif toolchain.is_aarch64:
cpu_family = 'aarch64'
cpu = 'arm64-v8a'
else:
cpu_family = 'x86'
if 'x86_64' in toolchain.host_triplet:
cpu = 'x86_64'
else:
cpu = 'i686'
# TODO: support more CPUs
endian = 'little'
# TODO: write pkg-config wrapper
path = os.path.join(toolchain.build_path, 'meson.cross')
os.makedirs(toolchain.build_path, exist_ok=True)
with open(path, 'w') as f:
f.write(f"""
[binaries]
c = {format_meson_cross_file_command(toolchain.cc)}
cpp = {format_meson_cross_file_command(toolchain.cxx)}
ar = {format_meson_cross_file_command(toolchain.ar)}
strip = {format_meson_cross_file_command(toolchain.strip)}
pkgconfig = {format_meson_cross_file_command(toolchain.pkg_config)}
""")
if toolchain.is_windows and platform.system() != 'Windows':
f.write(f"windres = {format_meson_cross_file_command(toolchain.windres)}\n")
if shutil.which('wine') is not None:
# Run unit tests with WINE when cross-building for Windows
print("exe_wrapper = 'wine'", file=f)
f.write(f"""
[properties]
root = '{toolchain.install_prefix}'
""")
if toolchain.is_android:
f.write("""
# Keep Meson from executing Android-x86 test binariees
needs_exe_wrapper = true
""")
f.write(f"""
[built-in options]
c_args = {repr((toolchain.cppflags + ' ' + toolchain.cflags).split())}
c_link_args = {repr(toolchain.ldflags.split() + toolchain.libs.split())}
cpp_args = {repr((toolchain.cppflags + ' ' + toolchain.cxxflags).split())}
cpp_link_args = {repr(toolchain.ldflags.split() + toolchain.libs.split())}
""")
f.write(f"""
[host_machine]
system = '{system}'
cpu_family = '{cpu_family}'
cpu = '{cpu}'
endian = '{endian}'
""")
return path
def configure(toolchain: AnyToolchain, src: str, build: str, args: list[str]=[]) -> None:
configure = [
'meson', 'setup',
build, src,
'--prefix', toolchain.install_prefix,
'--buildtype', 'plain',
'--default-library=static',
] + args
if toolchain.host_triplet is not None:
# cross-compiling: write a cross-file
cross_file = make_cross_file(toolchain)
configure.append(f'--cross-file={cross_file}')
env = toolchain.env.copy()
subprocess.check_call(configure, env=env)
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