mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-24 03:37:16 +00:00
b771d5705f
This is just a convenient alias for setting stdout and stderr to PIPE,
so substitute it for that to be compatible with Python 3.6.
Fixes: 69cfdc81ea ("tools/build/make.py: Keep bootstrapped bmake binary up-to-date")
335 lines
14 KiB
Python
Executable file
335 lines
14 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# PYTHON_ARGCOMPLETE_OKAY
|
|
# -
|
|
# SPDX-License-Identifier: BSD-2-Clause
|
|
#
|
|
# Copyright (c) 2018 Alex Richardson <arichardson@FreeBSD.org>
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
#
|
|
|
|
# This script makes it easier to build on non-FreeBSD systems by bootstrapping
|
|
# bmake and inferring required compiler variables.
|
|
#
|
|
# On FreeBSD you can use it the same way as just calling make:
|
|
# `MAKEOBJDIRPREFIX=~/obj ./tools/build/make.py buildworld -DWITH_FOO`
|
|
#
|
|
# On Linux and MacOS you will either need to set XCC/XCXX/XLD/XCPP or pass
|
|
# --cross-bindir to specify the path to the cross-compiler bindir:
|
|
# `MAKEOBJDIRPREFIX=~/obj ./tools/build/make.py
|
|
# --cross-bindir=/path/to/cross/compiler buildworld -DWITH_FOO TARGET=foo
|
|
# TARGET_ARCH=bar`
|
|
import argparse
|
|
import os
|
|
import shlex
|
|
import shutil
|
|
import subprocess
|
|
import sys
|
|
from pathlib import Path
|
|
|
|
|
|
# List of targets that are independent of TARGET/TARGET_ARCH and thus do not
|
|
# need them to be set. Keep in the same order as Makefile documents them (if
|
|
# they are documented).
|
|
mach_indep_targets = [
|
|
"cleanuniverse",
|
|
"universe",
|
|
"universe-toolchain",
|
|
"tinderbox",
|
|
"worlds",
|
|
"kernels",
|
|
"kernel-toolchains",
|
|
"targets",
|
|
"toolchains",
|
|
"makeman",
|
|
"sysent",
|
|
]
|
|
|
|
|
|
def run(cmd, **kwargs):
|
|
cmd = list(map(str, cmd)) # convert all Path objects to str
|
|
debug("Running", cmd)
|
|
subprocess.check_call(cmd, **kwargs)
|
|
|
|
|
|
# Always bootstraps in order to control bmake's config to ensure compatibility
|
|
def bootstrap_bmake(source_root, objdir_prefix):
|
|
bmake_source_dir = source_root / "contrib/bmake"
|
|
bmake_build_dir = objdir_prefix / "bmake-build"
|
|
bmake_install_dir = objdir_prefix / "bmake-install"
|
|
bmake_binary = bmake_install_dir / "bin/bmake"
|
|
bmake_config = bmake_install_dir / ".make-py-config"
|
|
|
|
bmake_source_version = subprocess.run([
|
|
"sh", "-c", ". \"$0\"/VERSION; echo $_MAKE_VERSION", bmake_source_dir],
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.strip()
|
|
try:
|
|
bmake_source_version = int(bmake_source_version)
|
|
except ValueError:
|
|
sys.exit("Invalid source bmake version '" + bmake_source_version + "'")
|
|
|
|
bmake_installed_version = 0
|
|
if bmake_binary.exists():
|
|
bmake_installed_version = subprocess.run([
|
|
bmake_binary, "-r", "-f", "/dev/null", "-V", "MAKE_VERSION"],
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.strip()
|
|
try:
|
|
bmake_installed_version = int(bmake_installed_version.strip())
|
|
except ValueError:
|
|
print("Invalid installed bmake version '" +
|
|
bmake_installed_version + "', treating as not present")
|
|
|
|
configure_args = [
|
|
"--with-default-sys-path=.../share/mk:" +
|
|
str(bmake_install_dir / "share/mk"),
|
|
"--with-machine=amd64", # TODO? "--with-machine-arch=amd64",
|
|
"--without-filemon", "--prefix=" + str(bmake_install_dir)]
|
|
|
|
configure_args_str = ' '.join([shlex.quote(x) for x in configure_args])
|
|
if bmake_config.exists():
|
|
last_configure_args_str = bmake_config.read_text()
|
|
else:
|
|
last_configure_args_str = ""
|
|
|
|
debug("Source bmake version: " + str(bmake_source_version))
|
|
debug("Installed bmake version: " + str(bmake_installed_version))
|
|
debug("Configure args: " + configure_args_str)
|
|
debug("Last configure args: " + last_configure_args_str)
|
|
|
|
if bmake_installed_version == bmake_source_version and \
|
|
configure_args_str == last_configure_args_str:
|
|
return bmake_binary
|
|
|
|
print("Bootstrapping bmake...")
|
|
if bmake_build_dir.exists():
|
|
shutil.rmtree(str(bmake_build_dir))
|
|
if bmake_install_dir.exists():
|
|
shutil.rmtree(str(bmake_install_dir))
|
|
|
|
os.makedirs(str(bmake_build_dir))
|
|
|
|
env = os.environ.copy()
|
|
global new_env_vars
|
|
env.update(new_env_vars)
|
|
|
|
run(["sh", bmake_source_dir / "boot-strap"] + configure_args,
|
|
cwd=str(bmake_build_dir), env=env)
|
|
run(["sh", bmake_source_dir / "boot-strap", "op=install"] + configure_args,
|
|
cwd=str(bmake_build_dir))
|
|
bmake_config.write_text(configure_args_str)
|
|
|
|
print("Finished bootstrapping bmake...")
|
|
return bmake_binary
|
|
|
|
|
|
def debug(*args, **kwargs):
|
|
global parsed_args
|
|
if parsed_args.debug:
|
|
print(*args, **kwargs)
|
|
|
|
|
|
def is_make_var_set(var):
|
|
return any(
|
|
x.startswith(var + "=") or x == ("-D" + var) for x in sys.argv[1:])
|
|
|
|
|
|
def check_required_make_env_var(varname, binary_name, bindir):
|
|
global new_env_vars
|
|
if os.getenv(varname):
|
|
return
|
|
if not bindir:
|
|
sys.exit("Could not infer value for $" + varname + ". Either set $" +
|
|
varname + " or pass --cross-bindir=/cross/compiler/dir/bin")
|
|
# try to infer the path to the tool
|
|
guess = os.path.join(bindir, binary_name)
|
|
if not os.path.isfile(guess):
|
|
sys.exit("Could not infer value for $" + varname + ": " + guess +
|
|
" does not exist")
|
|
new_env_vars[varname] = guess
|
|
debug("Inferred", varname, "as", guess)
|
|
global parsed_args
|
|
if parsed_args.debug:
|
|
run([guess, "--version"])
|
|
|
|
|
|
def check_xtool_make_env_var(varname, binary_name):
|
|
# Avoid calling brew --prefix on macOS if all variables are already set:
|
|
if os.getenv(varname):
|
|
return
|
|
global parsed_args
|
|
if parsed_args.cross_bindir is None:
|
|
parsed_args.cross_bindir = default_cross_toolchain()
|
|
return check_required_make_env_var(varname, binary_name,
|
|
parsed_args.cross_bindir)
|
|
|
|
|
|
def default_cross_toolchain():
|
|
# default to homebrew-installed clang on MacOS if available
|
|
if sys.platform.startswith("darwin"):
|
|
if shutil.which("brew"):
|
|
llvm_dir = subprocess.run([
|
|
"brew", "--prefix", "llvm"],
|
|
stdout=subprocess.PIPE, stderr=subprocess.PIPE).stdout.strip()
|
|
debug("Inferred LLVM dir as", llvm_dir)
|
|
try:
|
|
if llvm_dir and Path(llvm_dir.decode("utf-8"), "bin").exists():
|
|
return str(Path(llvm_dir.decode("utf-8"), "bin"))
|
|
except OSError:
|
|
return None
|
|
return None
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(
|
|
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
|
|
parser.add_argument("--host-bindir",
|
|
help="Directory to look for cc/c++/cpp/ld to build "
|
|
"host (" + sys.platform + ") binaries",
|
|
default="/usr/bin")
|
|
parser.add_argument("--cross-bindir", default=None,
|
|
help="Directory to look for cc/c++/cpp/ld to build "
|
|
"target binaries (only needed if XCC/XCPP/XLD "
|
|
"are not set)")
|
|
parser.add_argument("--cross-compiler-type", choices=("clang", "gcc"),
|
|
default="clang",
|
|
help="Compiler type to find in --cross-bindir (only "
|
|
"needed if XCC/XCPP/XLD are not set)"
|
|
"Note: using CC is currently highly experimental")
|
|
parser.add_argument("--host-compiler-type", choices=("cc", "clang", "gcc"),
|
|
default="cc",
|
|
help="Compiler type to find in --host-bindir (only "
|
|
"needed if CC/CPP/CXX are not set). ")
|
|
parser.add_argument("--debug", action="store_true",
|
|
help="Print information on inferred env vars")
|
|
parser.add_argument("--bootstrap-toolchain", action="store_true",
|
|
help="Bootstrap the toolchain instead of using an "
|
|
"external one (experimental and not recommended)")
|
|
parser.add_argument("--clean", action="store_true",
|
|
help="Do a clean rebuild instead of building with "
|
|
"-DWITHOUT_CLEAN")
|
|
parser.add_argument("--no-clean", action="store_false", dest="clean",
|
|
help="Do a clean rebuild instead of building with "
|
|
"-DWITHOUT_CLEAN")
|
|
try:
|
|
import argcomplete # bash completion:
|
|
|
|
argcomplete.autocomplete(parser)
|
|
except ImportError:
|
|
pass
|
|
parsed_args, bmake_args = parser.parse_known_args()
|
|
|
|
MAKEOBJDIRPREFIX = os.getenv("MAKEOBJDIRPREFIX")
|
|
if not MAKEOBJDIRPREFIX:
|
|
sys.exit("MAKEOBJDIRPREFIX is not set, cannot continue!")
|
|
if not Path(MAKEOBJDIRPREFIX).is_dir():
|
|
sys.exit(
|
|
"Chosen MAKEOBJDIRPREFIX=" + MAKEOBJDIRPREFIX + " doesn't exit!")
|
|
objdir_prefix = Path(MAKEOBJDIRPREFIX).absolute()
|
|
source_root = Path(__file__).absolute().parent.parent.parent
|
|
|
|
new_env_vars = {}
|
|
if not sys.platform.startswith("freebsd"):
|
|
if not is_make_var_set("TARGET") or not is_make_var_set("TARGET_ARCH"):
|
|
if not set(sys.argv).intersection(set(mach_indep_targets)):
|
|
sys.exit("TARGET= and TARGET_ARCH= must be set explicitly "
|
|
"when building on non-FreeBSD")
|
|
if not parsed_args.bootstrap_toolchain:
|
|
# infer values for CC/CXX/CPP
|
|
if parsed_args.host_compiler_type == "gcc":
|
|
default_cc, default_cxx, default_cpp = ("gcc", "g++", "cpp")
|
|
# FIXME: this should take values like `clang-9` and then look for
|
|
# clang-cpp-9, etc. Would alleviate the need to set the bindir on
|
|
# ubuntu/debian at least.
|
|
elif parsed_args.host_compiler_type == "clang":
|
|
default_cc, default_cxx, default_cpp = (
|
|
"clang", "clang++", "clang-cpp")
|
|
else:
|
|
default_cc, default_cxx, default_cpp = ("cc", "c++", "cpp")
|
|
|
|
check_required_make_env_var("CC", default_cc, parsed_args.host_bindir)
|
|
check_required_make_env_var("CXX", default_cxx,
|
|
parsed_args.host_bindir)
|
|
check_required_make_env_var("CPP", default_cpp,
|
|
parsed_args.host_bindir)
|
|
# Using the default value for LD is fine (but not for XLD!)
|
|
|
|
# On non-FreeBSD we need to explicitly pass XCC/XLD/X_COMPILER_TYPE
|
|
use_cross_gcc = parsed_args.cross_compiler_type == "gcc"
|
|
check_xtool_make_env_var("XCC", "gcc" if use_cross_gcc else "clang")
|
|
check_xtool_make_env_var("XCXX", "g++" if use_cross_gcc else "clang++")
|
|
check_xtool_make_env_var("XCPP",
|
|
"cpp" if use_cross_gcc else "clang-cpp")
|
|
check_xtool_make_env_var("XLD", "ld" if use_cross_gcc else "ld.lld")
|
|
|
|
# We also need to set STRIPBIN if there is no working strip binary
|
|
# in $PATH.
|
|
if not shutil.which("strip"):
|
|
if sys.platform.startswith("darwin"):
|
|
# On macOS systems we have to use /usr/bin/strip.
|
|
sys.exit("Cannot find required tool 'strip'. Please install "
|
|
"the host compiler and command line tools.")
|
|
if parsed_args.host_compiler_type == "clang":
|
|
strip_binary = "llvm-strip"
|
|
else:
|
|
strip_binary = "strip"
|
|
check_required_make_env_var("STRIPBIN", strip_binary,
|
|
parsed_args.host_bindir)
|
|
if os.getenv("STRIPBIN") or "STRIPBIN" in new_env_vars:
|
|
# If we are setting STRIPBIN, we have to set XSTRIPBIN to the
|
|
# default if it is not set otherwise already.
|
|
if not os.getenv("XSTRIPBIN") and not is_make_var_set("XSTRIPBIN"):
|
|
# Use the bootstrapped elftoolchain strip:
|
|
new_env_vars["XSTRIPBIN"] = "strip"
|
|
|
|
bmake_binary = bootstrap_bmake(source_root, objdir_prefix)
|
|
# at -j1 cleandir+obj is unbearably slow. AUTO_OBJ helps a lot
|
|
debug("Adding -DWITH_AUTO_OBJ")
|
|
bmake_args.append("-DWITH_AUTO_OBJ")
|
|
if parsed_args.clean is False:
|
|
bmake_args.append("-DWITHOUT_CLEAN")
|
|
if (parsed_args.clean is None and not is_make_var_set("NO_CLEAN")
|
|
and not is_make_var_set("WITHOUT_CLEAN")):
|
|
# Avoid accidentally deleting all of the build tree and wasting lots of
|
|
# time cleaning directories instead of just doing a rm -rf ${.OBJDIR}
|
|
want_clean = input("You did not set -DWITHOUT_CLEAN/--(no-)clean."
|
|
" Did you really mean to do a clean build? y/[N] ")
|
|
if not want_clean.lower().startswith("y"):
|
|
bmake_args.append("-DWITHOUT_CLEAN")
|
|
|
|
env_cmd_str = " ".join(
|
|
shlex.quote(k + "=" + v) for k, v in new_env_vars.items())
|
|
make_cmd_str = " ".join(
|
|
shlex.quote(s) for s in [str(bmake_binary)] + bmake_args)
|
|
debug("Running `env ", env_cmd_str, " ", make_cmd_str, "`", sep="")
|
|
os.environ.update(new_env_vars)
|
|
|
|
# Fedora defines bash function wrapper for some shell commands and this
|
|
# makes 'which <command>' return the function's source code instead of
|
|
# the binary path. Undefine it to restore the original behavior.
|
|
os.unsetenv("BASH_FUNC_which%%")
|
|
os.unsetenv("BASH_FUNC_ml%%")
|
|
os.unsetenv("BASH_FUNC_module%%")
|
|
|
|
os.chdir(str(source_root))
|
|
os.execv(str(bmake_binary), [str(bmake_binary)] + bmake_args)
|