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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 if (current_cpu == "arm") { | 6 if (current_cpu == "arm") { |
7 import("//build/config/arm.gni") | 7 import("//build/config/arm.gni") |
8 } | 8 } |
9 if (current_cpu == "mipsel" || current_cpu == "mips64el") { | 9 if (current_cpu == "mipsel" || current_cpu == "mips64el") { |
10 import("//build/config/mips.gni") | 10 import("//build/config/mips.gni") |
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442 if (is_clang) { | 442 if (is_clang) { |
443 # Let clang find the ld.gold in the NDK. | 443 # Let clang find the ld.gold in the NDK. |
444 ldflags += [ "--gcc-toolchain=" + | 444 ldflags += [ "--gcc-toolchain=" + |
445 rebase_path(android_toolchain_root, root_build_dir) ] | 445 rebase_path(android_toolchain_root, root_build_dir) ] |
446 } | 446 } |
447 } | 447 } |
448 | 448 |
449 ldflags += [ | 449 ldflags += [ |
450 "-Wl,--no-undefined", | 450 "-Wl,--no-undefined", |
451 | 451 |
452 # Don't allow visible symbols from libgcc or stlport to be | 452 # Don't allow visible symbols from libgcc or libc++ to be |
453 # re-exported. | 453 # re-exported. |
454 "-Wl,--exclude-libs=libgcc.a", | 454 "-Wl,--exclude-libs=libgcc.a", |
455 "-Wl,--exclude-libs=libstlport_static.a", | 455 "-Wl,--exclude-libs=libc++_static.a", |
456 | 456 |
457 # Don't allow visible symbols from libraries that contain | 457 # Don't allow visible symbols from libraries that contain |
458 # assembly code with symbols that aren't hidden properly. | 458 # assembly code with symbols that aren't hidden properly. |
459 # http://crbug.com/448386 | 459 # http://crbug.com/448386 |
460 "-Wl,--exclude-libs=libvpx_assembly_arm.a", | 460 "-Wl,--exclude-libs=libvpx_assembly_arm.a", |
461 ] | 461 ] |
462 if (current_cpu == "arm") { | 462 if (current_cpu == "arm") { |
463 ldflags += [ | 463 ldflags += [ |
464 # Enable identical code folding to reduce size. | 464 # Enable identical code folding to reduce size. |
465 "-Wl,--icf=safe", | 465 "-Wl,--icf=safe", |
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531 defines += [ | 531 defines += [ |
532 "__STD_C", | 532 "__STD_C", |
533 "__STDC_CONSTANT_MACROS", | 533 "__STDC_CONSTANT_MACROS", |
534 "__STDC_FORMAT_MACROS", | 534 "__STDC_FORMAT_MACROS", |
535 "_CRT_RAND_S", | 535 "_CRT_RAND_S", |
536 "_CRT_SECURE_NO_DEPRECATE", | 536 "_CRT_SECURE_NO_DEPRECATE", |
537 "_SCL_SECURE_NO_DEPRECATE", | 537 "_SCL_SECURE_NO_DEPRECATE", |
538 ] | 538 ] |
539 } | 539 } |
540 | 540 |
541 # Stlport setup. Android uses a different (smaller) version of the STL. | 541 # Android standard library setup. |
542 if (is_android) { | 542 if (is_android) { |
543 if (is_clang) { | 543 if (is_clang) { |
544 # Work around incompatibilities between bionic and clang headers. | 544 # Work around incompatibilities between bionic and clang headers. |
545 defines += [ | 545 defines += [ |
546 "__compiler_offsetof=__builtin_offsetof", | 546 "__compiler_offsetof=__builtin_offsetof", |
547 "nan=__builtin_nan", | 547 "nan=__builtin_nan", |
548 ] | 548 ] |
549 } | 549 } |
550 | 550 |
551 defines += [ | 551 defines += [ "__GNU_SOURCE=1" ] # Necessary for clone(). |
552 "USE_STLPORT=1", | |
553 "_STLP_USE_PTR_SPECIALIZATIONS=1", | |
554 "__GNU_SOURCE=1", # Necessary for clone(). | |
555 ] | |
556 | 552 |
557 # TODO(jdduke) Re-enable on mips after resolving linking | 553 # TODO(jdduke) Re-enable on mips after resolving linking |
558 # issues with libc++ (crbug.com/456380). | 554 # issues with libc++ (crbug.com/456380). |
559 if (cpu_arch != "mipsel" && cpu_arch != "mips64el") { | 555 if (cpu_arch != "mipsel" && cpu_arch != "mips64el") { |
560 ldflags += [ "-Wl,--warn-shared-textrel" ] | 556 ldflags += [ "-Wl,--warn-shared-textrel" ] |
561 } | 557 } |
562 ldflags += [ "-nostdlib" ] | 558 ldflags += [ "-nostdlib" ] |
563 | 559 |
564 # NOTE: The stlport header include paths below are specified in cflags | 560 # NOTE: The libc++ header include paths below are specified in cflags |
565 # rather than include_dirs because they need to come after include_dirs. | 561 # rather than include_dirs because they need to come after include_dirs. |
566 # Think of them like system headers, but don't use '-isystem' because the | 562 # Think of them like system headers, but don't use '-isystem' because the |
567 # arm-linux-androideabi-4.4.3 toolchain (circa Gingerbread) will exhibit | 563 # arm-linux-androideabi-4.4.3 toolchain (circa Gingerbread) will exhibit |
568 # strange errors. The include ordering here is important; change with | 564 # strange errors. The include ordering here is important; change with |
569 # caution. | 565 # caution. |
570 android_stlport_root = "$android_ndk_root/sources/cxx-stl/stlport" | 566 android_libcpp_root = "$android_ndk_root/sources/cxx-stl/llvm-libc++" |
571 | 567 |
572 cflags += [ "-isystem" + | 568 cflags += [ |
573 rebase_path("$android_stlport_root/stlport", root_build_dir) ] | 569 "-isystem" + |
574 lib_dirs += [ "$android_stlport_root/libs/$android_app_abi" ] | 570 rebase_path("$android_libcpp_root/libcxx/include", root_build_dir), |
| 571 "-isystem" + rebase_path( |
| 572 "$android_ndk_root/sources/cxx-stl/llvm-libc++abi/libcxxabi/includ
e", |
| 573 root_build_dir), |
| 574 "-isystem" + |
| 575 rebase_path("$android_ndk_root/sources/android/support/include", |
| 576 root_build_dir), |
| 577 ] |
| 578 |
| 579 lib_dirs += [ "$android_libcpp_root/libs/$android_app_abi" ] |
575 | 580 |
576 if (component_mode == "shared_library") { | 581 if (component_mode == "shared_library") { |
577 libs += [ "stlport_shared" ] | 582 android_libcpp_library = "c++_shared" |
578 } else { | 583 } else { |
579 libs += [ "stlport_static" ] | 584 android_libcpp_library = "c++_static" |
580 } | |
581 | |
582 if (current_cpu == "mipsel") { | |
583 libs += [ | |
584 # ld linker is used for mips Android, and ld does not accept library | |
585 # absolute path prefixed by "-l"; Since libgcc does not exist in mips | |
586 # sysroot the proper library will be linked. | |
587 # TODO(gordanac): Remove once gold linker is used for mips Android. | |
588 "gcc", | |
589 ] | |
590 } else { | |
591 libs += [ | |
592 # Manually link the libgcc.a that the cross compiler uses. This is | |
593 # absolute because the linker will look inside the sysroot if it's not. | |
594 rebase_path(android_libgcc_file), | |
595 ] | |
596 } | 585 } |
597 | 586 |
598 libs += [ | 587 libs += [ |
| 588 "$android_libcpp_library", |
| 589 "atomic", |
| 590 |
| 591 # Manually link the libgcc.a that the cross compiler uses. This is |
| 592 # absolute because the linker will look inside the sysroot if it's not. |
| 593 rebase_path(android_libgcc_file), |
| 594 "m", |
599 "c", | 595 "c", |
600 "dl", | 596 "dl", |
601 "m", | |
602 ] | 597 ] |
603 } | 598 } |
604 } | 599 } |
605 | 600 |
606 # chromium_code --------------------------------------------------------------- | 601 # chromium_code --------------------------------------------------------------- |
607 # | 602 # |
608 # Toggles between higher and lower warnings for code that is (or isn't) | 603 # Toggles between higher and lower warnings for code that is (or isn't) |
609 # part of Chromium. | 604 # part of Chromium. |
610 | 605 |
611 config("chromium_code") { | 606 config("chromium_code") { |
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1081 cflags += [ "-gsplit-dwarf" ] | 1076 cflags += [ "-gsplit-dwarf" ] |
1082 } | 1077 } |
1083 } | 1078 } |
1084 } | 1079 } |
1085 | 1080 |
1086 config("no_symbols") { | 1081 config("no_symbols") { |
1087 if (!is_win) { | 1082 if (!is_win) { |
1088 cflags = [ "-g0" ] | 1083 cflags = [ "-g0" ] |
1089 } | 1084 } |
1090 } | 1085 } |
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