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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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455 } | 455 } |
456 | 456 |
457 # Allows the linker to apply ICF to the LTO object file. Also, when | 457 # Allows the linker to apply ICF to the LTO object file. Also, when |
458 # targeting ARM, without this flag, LTO produces a .text section that is | 458 # targeting ARM, without this flag, LTO produces a .text section that is |
459 # larger than the maximum call displacement, preventing the linker from | 459 # larger than the maximum call displacement, preventing the linker from |
460 # relocating calls (http://llvm.org/PR22999). | 460 # relocating calls (http://llvm.org/PR22999). |
461 if (is_linux) { | 461 if (is_linux) { |
462 ldflags += [ "-Wl,-plugin-opt,-function-sections" ] | 462 ldflags += [ "-Wl,-plugin-opt,-function-sections" ] |
463 } | 463 } |
464 | 464 |
465 # TODO(pcc): Make these flags work correctly with CFI. | 465 cflags += [ "-fwhole-program-vtables" ] |
466 if (!is_cfi) { | 466 ldflags += [ "-fwhole-program-vtables" ] |
467 cflags += [ "-fwhole-program-vtables" ] | |
468 ldflags += [ "-fwhole-program-vtables" ] | |
469 } | |
470 } | 467 } |
471 | 468 |
472 # Pass the same C/C++ flags to the objective C/C++ compiler. | 469 # Pass the same C/C++ flags to the objective C/C++ compiler. |
473 cflags_objc += cflags_c | 470 cflags_objc += cflags_c |
474 cflags_objcc += cflags_cc | 471 cflags_objcc += cflags_cc |
475 | 472 |
476 # Assign any flags set for the C compiler to asmflags so that they are sent | 473 # Assign any flags set for the C compiler to asmflags so that they are sent |
477 # to the assembler. The Windows assembler takes different types of flags | 474 # to the assembler. The Windows assembler takes different types of flags |
478 # so only do so for posix platforms. | 475 # so only do so for posix platforms. |
479 if (is_posix) { | 476 if (is_posix) { |
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1541 | 1538 |
1542 if (is_ios || is_mac) { | 1539 if (is_ios || is_mac) { |
1543 # On Mac and iOS, this enables support for ARC (automatic ref-counting). | 1540 # On Mac and iOS, this enables support for ARC (automatic ref-counting). |
1544 # See http://clang.llvm.org/docs/AutomaticReferenceCounting.html. | 1541 # See http://clang.llvm.org/docs/AutomaticReferenceCounting.html. |
1545 config("enable_arc") { | 1542 config("enable_arc") { |
1546 common_flags = [ "-fobjc-arc" ] | 1543 common_flags = [ "-fobjc-arc" ] |
1547 cflags_objc = common_flags | 1544 cflags_objc = common_flags |
1548 cflags_objcc = common_flags | 1545 cflags_objcc = common_flags |
1549 } | 1546 } |
1550 } | 1547 } |
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