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1 # Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 # Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import("//build/config/android/config.gni") | 5 import("//build/config/android/config.gni") |
6 import("//build/config/chrome_build.gni") | 6 import("//build/config/chrome_build.gni") |
7 import("//build/config/compiler/compiler.gni") | 7 import("//build/config/compiler/compiler.gni") |
8 import("//build/config/nacl/config.gni") | 8 import("//build/config/nacl/config.gni") |
9 import("//build/toolchain/cc_wrapper.gni") | 9 import("//build/toolchain/cc_wrapper.gni") |
10 import("//build/toolchain/toolchain.gni") | 10 import("//build/toolchain/toolchain.gni") |
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833 config("default_warnings") { | 833 config("default_warnings") { |
834 cflags = [] | 834 cflags = [] |
835 cflags_cc = [] | 835 cflags_cc = [] |
836 | 836 |
837 if (is_win) { | 837 if (is_win) { |
838 if (treat_warnings_as_errors) { | 838 if (treat_warnings_as_errors) { |
839 cflags += [ "/WX" ] | 839 cflags += [ "/WX" ] |
840 } | 840 } |
841 | 841 |
842 cflags += [ | 842 cflags += [ |
| 843 # Assume UTF-8 by default to avoid code page dependencies. |
| 844 "/utf-8", |
| 845 ] |
| 846 |
| 847 cflags += [ |
843 # Warnings permanently disabled: | 848 # Warnings permanently disabled: |
844 | 849 |
845 # C4091: 'typedef ': ignored on left of 'X' when no variable is | 850 # C4091: 'typedef ': ignored on left of 'X' when no variable is |
846 # declared. | 851 # declared. |
847 # This happens in a number of Windows headers. Dumb. | 852 # This happens in a number of Windows headers. Dumb. |
848 "/wd4091", | 853 "/wd4091", |
849 | 854 |
850 # C4127: conditional expression is constant | 855 # C4127: conditional expression is constant |
851 # This warning can in theory catch dead code and other problems, but | 856 # This warning can in theory catch dead code and other problems, but |
852 # triggers in far too many desirable cases where the conditional | 857 # triggers in far too many desirable cases where the conditional |
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1063 } | 1068 } |
1064 | 1069 |
1065 # chromium_code --------------------------------------------------------------- | 1070 # chromium_code --------------------------------------------------------------- |
1066 # | 1071 # |
1067 # Toggles between higher and lower warnings for code that is (or isn't) | 1072 # Toggles between higher and lower warnings for code that is (or isn't) |
1068 # part of Chromium. | 1073 # part of Chromium. |
1069 | 1074 |
1070 config("chromium_code") { | 1075 config("chromium_code") { |
1071 if (is_win) { | 1076 if (is_win) { |
1072 cflags = [ "/W4" ] # Warning level 4. | 1077 cflags = [ "/W4" ] # Warning level 4. |
1073 | |
1074 # Assume UTF-8 by default to avoid code page dependencies. | |
1075 cflags += [ "/utf-8" ] | |
1076 } else { | 1078 } else { |
1077 cflags = [ "-Wall" ] | 1079 cflags = [ "-Wall" ] |
1078 if (treat_warnings_as_errors) { | 1080 if (treat_warnings_as_errors) { |
1079 cflags += [ "-Werror" ] | 1081 cflags += [ "-Werror" ] |
1080 | 1082 |
1081 # The compiler driver can sometimes (rarely) emit warnings before calling | 1083 # The compiler driver can sometimes (rarely) emit warnings before calling |
1082 # the actual linker. Make sure these warnings are treated as errors as | 1084 # the actual linker. Make sure these warnings are treated as errors as |
1083 # well. | 1085 # well. |
1084 ldflags = [ "-Werror" ] | 1086 ldflags = [ "-Werror" ] |
1085 } | 1087 } |
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1637 | 1639 |
1638 if (is_ios || is_mac) { | 1640 if (is_ios || is_mac) { |
1639 # On Mac and iOS, this enables support for ARC (automatic ref-counting). | 1641 # On Mac and iOS, this enables support for ARC (automatic ref-counting). |
1640 # See http://clang.llvm.org/docs/AutomaticReferenceCounting.html. | 1642 # See http://clang.llvm.org/docs/AutomaticReferenceCounting.html. |
1641 config("enable_arc") { | 1643 config("enable_arc") { |
1642 common_flags = [ "-fobjc-arc" ] | 1644 common_flags = [ "-fobjc-arc" ] |
1643 cflags_objc = common_flags | 1645 cflags_objc = common_flags |
1644 cflags_objcc = common_flags | 1646 cflags_objcc = common_flags |
1645 } | 1647 } |
1646 } | 1648 } |
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