|  | # Copyright 2016 The PDFium Authors | 
|  | # Use of this source code is governed by a BSD-style license that can be | 
|  | # found in the LICENSE file. | 
|  |  | 
|  | # Variable that can be used to support multiple build scenarios, like having | 
|  | # Chromium specific targets in a client project's GN file etc. | 
|  | build_with_chromium = false | 
|  |  | 
|  | # Variable that can be used to support multiple build scenarios, like when | 
|  | # V8 is embedded within a target. | 
|  | # PDFium is one such embedder of V8. | 
|  | build_with_v8_embedder = true | 
|  |  | 
|  | # PDFium builds don't support building java targets. | 
|  | enable_java_templates = false | 
|  |  | 
|  | # Enables assertions on safety checks in libc++. | 
|  | enable_safe_libcxx = true | 
|  |  | 
|  | # Enable assertions on safety checks, also in libstdc++ | 
|  | # | 
|  | # In case the C++ standard library implementation used is libstdc++, then | 
|  | # enable its own hardening checks. | 
|  | enable_safe_libstdcxx = true | 
|  |  | 
|  | # Whether to use the neon FPU instruction set or not. | 
|  | if (current_cpu == "arm") { | 
|  | arm_use_neon = true | 
|  | } | 
|  |  | 
|  | # PDFium just uses the Chromium suppression files for now. | 
|  | asan_suppressions_file = "//build/sanitizers/asan_suppressions.cc" | 
|  | lsan_suppressions_file = "//build/sanitizers/lsan_suppressions.cc" | 
|  | tsan_suppressions_file = "//build/sanitizers/tsan_suppressions.cc" | 
|  |  | 
|  | declare_args() { | 
|  | # Android 32-bit non-component, non-clang builds cannot have symbol_level=2 | 
|  | # due to 4GiB file size limit, see https://crbug.com/648948. | 
|  | # Set this flag to true to skip the assertion. | 
|  | ignore_elf32_limitations = false | 
|  |  | 
|  | # Use the system install of Xcode for tools like ibtool, libtool, etc. | 
|  | # This does not affect the compiler. When this variable is false, targets will | 
|  | # instead use a hermetic install of Xcode. [The hermetic install can be | 
|  | # obtained with gclient sync after setting the environment variable | 
|  | # FORCE_MAC_TOOLCHAIN]. | 
|  | use_system_xcode = "" | 
|  |  | 
|  | # Allows googletest to pretty-print various absl types. | 
|  | # Assumes //third_party/abseil-cpp is an available dependency for googletest. | 
|  | gtest_enable_absl_printers = true | 
|  | } | 
|  |  | 
|  | if (use_system_xcode == "") { | 
|  | if (target_os == "mac") { | 
|  | _result = exec_script("//build/mac/should_use_hermetic_xcode.py", | 
|  | [ target_os ], | 
|  | "value") | 
|  | use_system_xcode = _result == 0 | 
|  | } | 
|  | if (target_os == "ios") { | 
|  | use_system_xcode = true | 
|  | } | 
|  | } |