1 # Copyright (c) 2013 Google Inc. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 { 6 'variables': { 7 'pgd_basename': 'test_pgo', 8 }, 9 'targets': [ 10 # In the PGO (Profile-Guided Optimization) build flow, we need to build the 11 # target binary multiple times. To implement this flow with gyp, here we 12 # define multiple 'executable' targets, each of which represents one build 13 # particular build/profile stage. On tricky part to do this is that these 14 # 'executable' targets should share the code itself so that profile data 15 # can be reused among these 'executable' files. In other words, the only 16 # differences among below 'executable' targets are: 17 # 1) PGO (Profile-Guided Optimization) database, and 18 # 2) linker options. 19 # The following static library contains all the logic including entry point. 20 # Basically we don't need to rebuild this target once we enter profiling 21 # phase of PGO. 22 { 23 'target_name': 'test_pgo_main', 24 'type': 'static_library', 25 'msvs_settings': { 26 'VCCLCompilerTool': { 27 'WholeProgramOptimization': 'true', # /GL 28 }, 29 'VCLibrarianTool': { 30 'LinkTimeCodeGeneration': 'true', 31 }, 32 }, 33 'link_settings': { 34 'msvs_settings': { 35 'VCLinkerTool': { 36 'ProfileGuidedDatabase': '$(OutDir)\\<(pgd_basename).pgd', 37 'TargetMachine': '1', # x86 - 32 38 'SubSystem': '1', # /SUBSYSTEM:CONSOLE 39 # Tell ninja generator not to pass /ManifestFile:<filename> option 40 # to the linker, because it causes LNK1268 error in PGO biuld. 41 'GenerateManifest': 'false', 42 # We need to specify 'libcmt.lib' here so that the linker can pick 43 # up a valid entry point. 44 'AdditionalDependencies': [ 45 'libcmt.lib', 46 ], 47 }, 48 }, 49 }, 50 'sources': [ 51 'inline_test.h', 52 'inline_test.cc', 53 'inline_test_main.cc', 54 ], 55 }, 56 { 57 'target_name': 'test_pgo_instrument', 58 'type': 'executable', 59 'msvs_settings': { 60 'VCLinkerTool': { 61 'LinkTimeCodeGeneration': '2', 62 }, 63 }, 64 'dependencies': [ 65 'test_pgo_main', 66 ], 67 }, 68 { 69 'target_name': 'gen_profile_guided_database', 70 'type': 'none', 71 'msvs_cygwin_shell': 0, 72 'actions': [ 73 { 74 'action_name': 'action_main', 75 'inputs': [], 76 'outputs': [ 77 '$(OutDir)\\<(pgd_basename).pgd', 78 ], 79 'action': [ 80 'python', 'update_pgd.py', 81 '--vcbindir', '$(VCInstallDir)bin', 82 '--exe', '$(OutDir)\\test_pgo_instrument.exe', 83 '--pgd', '$(OutDir)\\<(pgd_basename).pgd', 84 ], 85 }, 86 ], 87 'dependencies': [ 88 'test_pgo_instrument', 89 ], 90 }, 91 { 92 'target_name': 'test_pgo_optimize', 93 'type': 'executable', 94 'msvs_settings': { 95 'VCLinkerTool': { 96 'LinkTimeCodeGeneration': '3', 97 }, 98 }, 99 'sources': [ 100 '$(OutDir)\\<(pgd_basename).pgd', 101 ], 102 'dependencies': [ 103 'test_pgo_main', 104 'gen_profile_guided_database', 105 ], 106 }, 107 { 108 'target_name': 'test_pgo_update', 109 'type': 'executable', 110 'msvs_settings': { 111 'VCLinkerTool': { 112 'LinkTimeCodeGeneration': '4', 113 }, 114 }, 115 'sources': [ 116 '$(OutDir)\\<(pgd_basename).pgd', 117 ], 118 'dependencies': [ 119 'test_pgo_main', 120 ], 121 }, 122 # A helper target to dump link.exe's command line options. We can use the 123 # output to determine if PGO (Profile-Guided Optimization) is available on 124 # the test environment. 125 { 126 'target_name': 'gen_linker_option', 127 'type': 'none', 128 'msvs_cygwin_shell': 0, 129 'actions': [ 130 { 131 'action_name': 'action_main', 132 'inputs': [], 133 'outputs': [ 134 '$(OutDir)\\linker_options.txt', 135 ], 136 'action': [ 137 'cmd.exe', '/c link.exe > $(OutDir)\\linker_options.txt & exit 0', 138 ], 139 }, 140 ], 141 }, 142 ] 143 } 144
