Do not build breakpad tool on target when cross-compiling for iOS

breakpad/breakpad.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'includes': [
     'breakpad_sender.gypi',
     'breakpad_handler.gypi',
   ],
   'conditions': [
     # minidump_stackwalk and minidump_dump are tool-type executables that do
     # not build on iOS with Xcode (but do build on iOS with ninja.)
     ['(OS!="ios" or "<(GENERATOR)"=="ninja") and OS!="win"', {
       'targets': [
         {
           # code shared by both {micro,mini}dump_stackwalk
           # GN version: //breakpad:stackwalk_common
           'target_name': 'stackwalk_common',
           'type': 'static_library',
-          'toolsets': ['host'],
           'includes': ['breakpad_tools.gypi'],
           'defines': ['BPLOG_MINIMUM_SEVERITY=SEVERITY_ERROR'],
           'sources': [
             'src/processor/basic_code_module.h',
             'src/processor/basic_code_modules.cc',
             'src/processor/basic_code_modules.h',
             'src/processor/basic_source_line_resolver.cc',
             'src/processor/binarystream.cc',
             'src/processor/binarystream.h',
             'src/processor/call_stack.cc',
@@ skipping 54 matching lines @@
             'src/third_party/libdisasm/qword.h',
             'src/third_party/libdisasm/x86_disasm.c',
             'src/third_party/libdisasm/x86_format.c',
             'src/third_party/libdisasm/x86_imm.c',
             'src/third_party/libdisasm/x86_imm.h',
             'src/third_party/libdisasm/x86_insn.c',
             'src/third_party/libdisasm/x86_misc.c',
             'src/third_party/libdisasm/x86_operand_list.c',
             'src/third_party/libdisasm/x86_operand_list.h',
           ],
+          'conditions': [
+            ['OS=="ios"', {
+              'toolsets': ['host'],
+            }],
+          ],
         },
         {
           # GN version: //breakpad:microdump_stackwalk
           'target_name': 'microdump_stackwalk',
           'type': 'executable',
-          'toolsets': ['host'],
           'dependencies': ['stackwalk_common'],
           'includes': ['breakpad_tools.gypi'],
           'defines': ['BPLOG_MINIMUM_SEVERITY=SEVERITY_ERROR'],
           'sources': [
             'src/processor/microdump.cc',
             'src/processor/microdump_processor.cc',
             'src/processor/microdump_stackwalk.cc',
           ],
+          'conditions': [
+            ['OS=="ios"', {
+              'toolsets': ['host'],
+            }],
+          ],
         },
         {
           # GN version: //breakpad:minidump_stackwalk
           'target_name': 'minidump_stackwalk',
           'type': 'executable',
-          'toolsets': ['host'],
           'dependencies': ['stackwalk_common'],
           'includes': ['breakpad_tools.gypi'],
           'defines': ['BPLOG_MINIMUM_SEVERITY=SEVERITY_ERROR'],
           'sources': [
             'src/processor/exploitability.cc',
             'src/processor/exploitability_linux.cc',
             'src/processor/exploitability_linux.h',
             'src/processor/exploitability_win.cc',
             'src/processor/exploitability_win.h',
             'src/processor/minidump.cc',
             'src/processor/minidump_processor.cc',
             'src/processor/minidump_stackwalk.cc',
           ],
+          'conditions': [
+            ['OS=="ios"', {
+              'toolsets': ['host'],
+            }],
+          ],
         },
         {
           # GN version: //breakpad:minidump_dump
           'target_name': 'minidump_dump',
           'type': 'executable',
-          'toolsets': ['host'],
           'includes': ['breakpad_tools.gypi'],
           'sources': [
             'src/processor/basic_code_module.h',
             'src/processor/basic_code_modules.cc',
             'src/processor/basic_code_modules.h',
             'src/processor/dump_context.cc',
             'src/processor/dump_object.cc',
             'src/processor/logging.cc',
             'src/processor/logging.h',
             'src/processor/minidump.cc',
             'src/processor/minidump_dump.cc',
             'src/processor/pathname_stripper.cc',
             'src/processor/pathname_stripper.h',
           ],
+          'conditions': [
+            ['OS=="ios"', {
+              'toolsets': ['host'],
+            }],
+          ],
         },
       ],
     }],
     ['OS=="mac" or (OS=="ios" and "<(GENERATOR)"=="ninja")', {
       'target_defaults': {
         'include_dirs': [
           'src',
         ],
         'configurations': {
           'Debug_Base': {
@@ skipping 797 matching lines @@
              'include_main_binary': 0,
           },
           'includes': [
             '../build/android/native_app_dependencies.gypi'
           ],
         }
       ],
     }],
   ],
 }