зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
4.4 KiB
Python
118 строки
4.4 KiB
Python
# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
|
|
# vim: set filetype=python:
|
|
# 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, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
js_option('--enable-warnings-as-errors', env='MOZ_ENABLE_WARNINGS_AS_ERRORS',
|
|
default=depends('MOZ_AUTOMATION', '--help')(lambda x, _: bool(x)),
|
|
help='Enable treating warnings as errors')
|
|
|
|
add_old_configure_assignment(
|
|
'MOZ_ENABLE_WARNINGS_AS_ERRORS',
|
|
depends('--enable-warnings-as-errors')(lambda x: bool(x)))
|
|
|
|
|
|
# GCC/Clang warnings:
|
|
# https://gcc.gnu.org/onlinedocs/gcc-4.7.2/gcc/Warning-Options.html
|
|
|
|
# lots of useful warnings
|
|
add_gcc_warning('-Wall')
|
|
|
|
# catches C++ version forward-compat issues
|
|
add_gcc_warning('-Wc++11-compat', cxx_compiler)
|
|
|
|
# catches bugs, e.g. "if (c); foo();", few false positives
|
|
add_gcc_warning('-Wempty-body')
|
|
|
|
# catches return types with qualifiers like const
|
|
add_gcc_warning('-Wignored-qualifiers')
|
|
|
|
# function declaration hides virtual function from base class
|
|
add_gcc_warning('-Woverloaded-virtual', cxx_compiler)
|
|
|
|
# catches pointer arithmetic using NULL or sizeof(void)
|
|
add_gcc_warning('-Wpointer-arith')
|
|
|
|
# catches comparing signed/unsigned ints
|
|
add_gcc_warning('-Wsign-compare')
|
|
|
|
# catches overflow bugs, few false positives
|
|
add_gcc_warning('-Wtype-limits')
|
|
|
|
# catches some dead code
|
|
add_gcc_warning('-Wunreachable-code')
|
|
|
|
# catches treating string literals as non-const
|
|
add_gcc_warning('-Wwrite-strings', cxx_compiler)
|
|
|
|
# turned on by -Wall, but we use offsetof on non-POD types frequently
|
|
add_gcc_warning('-Wno-invalid-offsetof', cxx_compiler)
|
|
|
|
# catches objects passed by value to variadic functions.
|
|
check_and_add_gcc_warning('-Wclass-varargs')
|
|
|
|
# catches issues around loops
|
|
check_and_add_gcc_warning('-Wloop-analysis')
|
|
|
|
# catches C++ version forward-compat issues
|
|
check_and_add_gcc_warning('-Wc++11-compat-pedantic', cxx_compiler)
|
|
check_and_add_gcc_warning('-Wc++14-compat', cxx_compiler)
|
|
check_and_add_gcc_warning('-Wc++14-compat-pedantic', cxx_compiler)
|
|
check_and_add_gcc_warning('-Wc++1z-compat', cxx_compiler)
|
|
|
|
# catches possible misuse of the comma operator
|
|
check_and_add_gcc_warning('-Wcomma', cxx_compiler)
|
|
|
|
# catches unintentional switch case fallthroughs
|
|
check_and_add_gcc_warning('-Wimplicit-fallthrough', cxx_compiler)
|
|
|
|
# catches expressions used as a null pointer constant
|
|
# XXX: at the time of writing, the version of clang used on the OS X test
|
|
# machines has a bug that causes it to reject some valid files if both
|
|
# -Wnon-literal-null-conversion and -Wsometimes-uninitialized are
|
|
# specified. We work around this by instead using
|
|
# -Werror=non-literal-null-conversion, but we only do that when
|
|
# --enable-warnings-as-errors is specified so that no unexpected fatal
|
|
# warnings are produced.
|
|
check_and_add_gcc_warning('-Werror=non-literal-null-conversion',
|
|
when='--enable-warnings-as-errors')
|
|
|
|
# catches string literals used in boolean expressions
|
|
check_and_add_gcc_warning('-Wstring-conversion')
|
|
|
|
# we inline 'new' and 'delete' in mozalloc
|
|
check_and_add_gcc_warning('-Wno-inline-new-delete', cxx_compiler)
|
|
|
|
# Prevent the following GCC warnings from being treated as errors:
|
|
# too many false positives
|
|
check_and_add_gcc_warning('-Wno-error=maybe-uninitialized')
|
|
|
|
# we don't want our builds held hostage when a platform-specific API
|
|
# becomes deprecated.
|
|
check_and_add_gcc_warning('-Wno-error=deprecated-declarations')
|
|
|
|
# false positives depending on optimization
|
|
check_and_add_gcc_warning('-Wno-error=array-bounds')
|
|
|
|
# can't get rid of those PGO warnings
|
|
check_and_add_gcc_warning('-Wno-error=coverage-mismatch', when='MOZ_PGO')
|
|
|
|
# false positives during PGO
|
|
check_and_add_gcc_warning('-Wno-error=free-nonheap-object', when='MOZ_PGO')
|
|
|
|
# catches format/argument mismatches with printf
|
|
check_and_add_gcc_warning('-Wformat')
|
|
|
|
# We use mix of both POSIX and Win32 printf format across the tree, so format
|
|
# warnings are useless on mingw.
|
|
check_and_add_gcc_warning('-Wno-format',
|
|
when=depends(target)(lambda t: t.kernel == 'WINNT'))
|
|
|
|
# We hit this all over the place with the gtest INSTANTIATE_TEST_CASE_P macro
|
|
check_and_add_gcc_warning('-Wno-gnu-zero-variadic-macro-arguments')
|
|
|
|
# Please keep these last in this file
|
|
add_old_configure_assignment('_WARNINGS_CFLAGS', warnings_cflags)
|
|
add_old_configure_assignment('_WARNINGS_CXXFLAGS', warnings_cxxflags)
|