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build: turn warnings into errors for node sources #32685

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build: turn warnings into errors for node sources #32685

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5e3988d
build: turn warnings into errors for node sources
danbev Apr 6, 2020
2379516
tools: fix redundant-move warning in inspector
danbev Apr 6, 2020
b9fa8f3
build: add --error-on-warn configure flag
danbev Apr 17, 2020
1d0456c
squash: remove -Werror when error_on_warn is false
danbev Apr 24, 2020
9890e67
squash: set error_on_warn to false instead of 0
danbev Apr 24, 2020
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10 changes: 9 additions & 1 deletion common.gypi
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
'uv_library%': 'static_library',

'clang%': 0,
'error_on_warn%': 'false',

'openssl_fips%': '',
'openssl_no_asm%': 0,
Expand Down Expand Up @@ -218,7 +219,14 @@
# Forcibly disable -Werror. We support a wide range of compilers, it's
# simply not feasible to squelch all warnings, never mind that the
# libraries in deps/ are not under our control.
'cflags!': ['-Werror'],
'conditions': [
[ 'error_on_warn=="false"', {
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'cflags!': ['-Werror'],
}, '(_target_name!="<(node_lib_target_name)" or '
'_target_name!="<(node_core_target_name)")', {
'cflags!': ['-Werror'],
}],
],
'msvs_settings': {
'VCCLCompilerTool': {
'BufferSecurityCheck': 'true',
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6 changes: 6 additions & 0 deletions configure.py
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Expand Up @@ -117,6 +117,11 @@
choices=valid_os,
help='operating system to build for ({0})'.format(', '.join(valid_os)))

parser.add_option('--error-on-warn',
action='store_true',
dest='error_on_warn',
help='Turn compiler warnings into errors for node core sources.')
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Would be great to have this in the Windows vcbuild.bat also.

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Yeah, I agree. The problem for me is that I don't have a windows testing environment anymore. At least if this got merged we could enable this for pull requests.


parser.add_option('--gdb',
action='store_true',
dest='gdb',
Expand Down Expand Up @@ -1018,6 +1023,7 @@ def configure_node(o):
o['variables']['node_install_npm'] = b(not options.without_npm)
o['variables']['debug_node'] = b(options.debug_node)
o['default_configuration'] = 'Debug' if options.debug else 'Release'
o['variables']['error_on_warn'] = b(options.error_on_warn)

host_arch = host_arch_win() if os.name == 'nt' else host_arch_cc()
target_arch = options.dest_cpu or host_arch
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6 changes: 6 additions & 0 deletions node.gyp
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Expand Up @@ -375,6 +375,9 @@
'msvs_disabled_warnings!': [4244],

'conditions': [
[ 'error_on_warn=="true"', {
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'cflags': ['-Werror'],
}],
[ 'node_intermediate_lib_type=="static_library" and '
'node_shared=="true" and OS=="aix"', {
# For AIX, shared lib is linked by static lib and .exp. In the
Expand Down Expand Up @@ -749,6 +752,9 @@
'msvs_disabled_warnings!': [4244],

'conditions': [
[ 'error_on_warn=="true"', {
'cflags': ['-Werror'],
}],
[ 'node_builtin_modules_path!=""', {
'defines': [ 'NODE_BUILTIN_MODULES_PATH="<(node_builtin_modules_path)"' ]
}],
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4 changes: 2 additions & 2 deletions tools/inspector_protocol/lib/Values_cpp.template
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Expand Up @@ -606,7 +606,7 @@ std::unique_ptr<Value> DictionaryValue::clone() const
DCHECK(value != m_data.cend() && value->second);
result->setValue(key, value->second->clone());
}
return std::move(result);
return result;
}

DictionaryValue::DictionaryValue()
Expand Down Expand Up @@ -647,7 +647,7 @@ std::unique_ptr<Value> ListValue::clone() const
std::unique_ptr<ListValue> result = ListValue::create();
for (const std::unique_ptr<protocol::Value>& value : m_data)
result->pushValue(value->clone());
return std::move(result);
return result;
}

ListValue::ListValue()
Expand Down