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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
import os
def check_top_objdir(topobjdir):
top_make = os.path.join(topobjdir, "Makefile")
if not os.path.exists(top_make):
print(
"Your tree has not been built yet. Please run "
"|mach build| with no arguments."
)
return False
return True
def get_build_vars(directory, cmd):
build_vars = {}
def on_line(line):
elements = [s.strip() for s in line.split("=", 1)]
if len(elements) != 2:
return
build_vars[elements[0]] = elements[1]
try:
old_logger = cmd.log_manager.replace_terminal_handler(None)
cmd._run_make(
directory=directory,
target="showbuild",
log=False,
print_directory=False,
num_jobs=1,
silent=True,
line_handler=on_line,
)
finally:
cmd.log_manager.replace_terminal_handler(old_logger)
return build_vars
def sanitize_cflags(flags):
# We filter out -Xclang arguments as clang based tools typically choke on
# passing these flags down to the clang driver. -Xclang tells the clang
# driver driver to pass whatever comes after it down to clang cc1, which is
# why we skip -Xclang and the argument immediately after it. Here is an
# example: the following two invocations pass |-foo -bar -baz| to cc1:
# clang -cc1 -foo -bar -baz
# clang -Xclang -foo -Xclang -bar -Xclang -baz
sanitized = []
saw_xclang = False
for flag in flags:
if flag == "-Xclang":
saw_xclang = True
elif saw_xclang:
saw_xclang = False
else:
sanitized.append(flag)
return sanitized