build/BUILD.gn - third_party/mini_chromium - Git at Google

 # Copyright 2016 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.

 ################################################################################
 # DEFAULT BUILD CONFIGURATION
 ################################################################################

 import("compiler.gni")
 import("platform.gni")
 import("sysroot.gni")

 if (mini_chromium_is_mac) {
   declare_args() {
     # The minimum runtime macOS version that built products are expected to run
     # on. If empty, the toolchain will choose its own default, typically the
     # older of the SDK version and the build host’s OS version.
     mac_deployment_target = "10.9"
   }
 } else if (mini_chromium_is_fuchsia) {
   declare_args() {
     # Path to the Fuchsia Clang toolchain.
     fuchsia_clang = "//third_party/fuchsia/clang/" + host_os + "-amd64"
   }
 }

 config("debug") {
 }

 config("release") {
   defines = [ "NDEBUG" ]

   if (mini_chromium_is_posix) {
     cflags = [ "-O3" ]
     if (mini_chromium_is_mac) {
       ldflags = [ "-Wl,-dead_strip" ]
     } else {
       cflags += [
         "-fdata-sections",
         "-ffunction-sections",
       ]
       ldflags = [
         "-Wl,-O1",
         "-Wl,--gc-sections",
       ]
     }
   } else if (mini_chromium_is_win) {
     cflags = [
       "/GL",  # LTCG.
       "/O2",
       "/Ob2",  # Both explicit and auto inlining.
       "/Oy-",  # Disable omitting frame pointers, must be after /O2.
       "/Zc:inline",  # Remove unreferenced COMDAT (faster links).
       "/d2Zi+",  # Improve debugging of optimized code.
     ]
     ldflags = [
       "/OPT:ICF",
       "/OPT:REF",
       "/LTCG",
     ]
     arflags = [ "/LTCG" ]
   }
 }

 config("default") {
   common_flags = []

   asmflags = []
   ldflags = []
   if (mini_chromium_is_posix) {
     cflags = [
       "-Wall",
       "-Wendif-labels",
       "-Werror",
       "-Wextra",
       "-Wno-missing-field-initializers",
       "-Wno-unused-parameter",
       "-Wsign-compare",
       "-fno-exceptions",
       "-fno-rtti",
       "-fno-strict-aliasing",  # See https://crbug.com/32204
       "-fobjc-call-cxx-cdtors",
       "-fstack-protector-all",  # Implies -fstack-protector
       "-fvisibility-inlines-hidden",
       "-fvisibility=hidden",
     ]

     cflags_c = [ "-std=c99" ]
     cflags_cc = [ "-std=c++14" ]
     cflags_objc = cflags_c
     cflags_objcc = cflags_cc

     cflags += [
       "-Wheader-hygiene",
       "-Wnewline-eof",
       "-Wstring-conversion",
     ]

     if (sysroot != "") {
       if (sysroot == rebase_path(sysroot)) {
         # If it’s already system-absolute, leave it alone.
         sysroot_path = sysroot
       } else {
         sysroot_path = rebase_path(sysroot, root_build_dir)
       }
       if (mini_chromium_is_mac) {
         common_flags += [
           "-isysroot",
           sysroot_path,
         ]
       } else {
         common_flags += [ "--sysroot=" + sysroot_path ]
       }
     }
   }

   if (mini_chromium_is_mac) {
     if (mac_deployment_target != "") {
       common_flags += [ "-mmacosx-version-min=" + mac_deployment_target ]
     }
   }

   if (mini_chromium_is_win) {
     cflags = [
       "/DNOMINMAX",
       "/DUNICODE",
       "/DWIN32_LEAN_AND_MEAN",
       "/D_CRT_SECURE_NO_WARNINGS",
       "/D_HAS_EXCEPTIONS=0",
       "/D_UNICODE",
       "/W4",
       "/WX",
       "/wd4100",  # Unreferenced formal parameter.
       "/wd4127",  # Conditional expression is constant.
       "/wd4351",  # New behavior: elements of array will be default initialized.
       "/wd4530",  # Exceptions disabled.
       "/wd4702",  # Unreachable code.
       "/wd4996",  # 'X' was declared deprecated.
     ]
   }

   if (mini_chromium_is_linux) {
     defines = [ "_FILE_OFFSET_BITS=64" ]
     common_flags += [ "-pthread" ]
   }

   if (mini_chromium_is_fuchsia) {
     if (target_cpu == "arm64") {
       cflags += [ "--target=aarch64-fuchsia" ]
       ldflags += [ "--target=aarch64-fuchsia" ]
     } else if (target_cpu == "x64") {
       cflags += [ "--target=x86_64-fuchsia" ]
       ldflags += [ "--target=x86_64-fuchsia" ]
     } else {
       assert(false, "Unsupported architecture")
     }

     # fdio is listed in ldflags instead of libs because it’s important for it to
     # be loaded in Fuchsia processes that expect POSIX-like file descriptor
     # semantics, even if they don’t explicitly reference anything in the fdio
     # library. To avoid inadvertently losing the runtime dependency, it must
     # come before -Wl,--as-needed below.
     ldflags += [ "-lfdio" ]

     libs = [
       "zircon",
     ]
   }

   if (mini_chromium_is_posix && !mini_chromium_is_mac) {
     cflags += [ "-fPIC" ]
     ldflags += [
       # This must follow Fuchsia’s fdio library above.
       "-Wl,--as-needed",

       "-Wl,-z,noexecstack",
     ]
   }

   cflags += common_flags
   asmflags += common_flags
   ldflags += common_flags

   if (is_debug) {
     configs = [ ":debug" ]
   } else {
     configs = [ ":release" ]
   }
 }

 config("executable") {
   if (mini_chromium_is_linux) {
     ldflags = [ "-pie" ]
   }
 }

 config("Wexit_time_destructors") {
   if (mini_chromium_is_clang) {
     cflags = [ "-Wexit-time-destructors" ]
   }
 }

 ################################################################################
 # TOOLCHAIN DEFINITIONS
 ################################################################################

 toolchain("gcc_like_toolchain") {
   lib_switch = "-l"
   lib_dir_switch = "-L"

   if (mini_chromium_is_fuchsia) {
     cc = rebase_path(fuchsia_clang, root_build_dir) + "/bin/clang"
     cxx = rebase_path(fuchsia_clang, root_build_dir) + "/bin/clang++"
     asm = cxx
     ar = rebase_path(fuchsia_clang, root_build_dir) + "/bin/llvm-ar"
     ld = cxx
   } else {
     cc = "clang"
     cxx = "clang++"
     asm = cxx
     ld = cxx

     if (!mini_chromium_is_mac) {
       # macOS uses libtool instead of ar.
       ar = "ar"
     }
   }

   tool("cc") {
     depfile = "{{output}}.d"
     command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
     depsformat = "gcc"
     description = "CC {{output}}"
     outputs = [
       "{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
     ]
   }

   tool("cxx") {
     depfile = "{{output}}.d"
     command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
     depsformat = "gcc"
     description = "CXX {{output}}"
     outputs = [
       "{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
     ]
   }

   if (mini_chromium_is_mac) {
     tool("objc") {
       depfile = "{{output}}.d"
       command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_objc}} -c {{source}} -o {{output}}"
       depsformat = "gcc"
       description = "OBJC {{output}}"
       outputs = [
         "{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
       ]
     }

     tool("objcxx") {
       depfile = "{{output}}.d"
       command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_objcc}} -c {{source}} -o {{output}}"
       depsformat = "gcc"
       description = "OBJCXX {{output}}"
       outputs = [
         "{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
       ]
     }
   }

   tool("asm") {
     depfile = "{{output}}.d"
     command = "$asm -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -c {{source}} -o {{output}}"
     depsformat = "gcc"
     description = "ASM {{output}}"
     outputs = [
       "{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
     ]
   }

   tool("alink") {
     if (mini_chromium_is_mac) {
       command = "libtool -static -no_warning_for_no_symbols {{arflags}} -o {{output}} {{inputs}}"
     } else {
       command = "$ar rcsD {{arflags}} {{output}} {{inputs}}"
     }
     description = "AR {{output}}"
     default_output_dir = "{{target_out_dir}}"
     default_output_extension = ".a"
     output_prefix = "lib"
     outputs = [
       "{{output_dir}}/{{target_output_name}}{{output_extension}}",
     ]
   }

   tool("solink_module") {
     # TODO(scottmg): This will need to do -framework, etc. for macOS.
     soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
     sofile = "{{output_dir}}/$soname"

     soname_flag = ""
     start_whole_flag = ""
     end_whole_flag = ""
     if (mini_chromium_is_mac) {
       soname_flag = "-Wl,-install_name,\"$soname\""
     } else {
       soname_flag = "-Wl,-soname=\"$soname\""
       start_whole_flag = "-Wl,--whole-archive"
       end_whole_flag = "-Wl,--no-whole-archive "
     }
     command =
         "$ld -shared {{ldflags}} -o \"$sofile\" $soname_flag $start_whole_flag {{inputs}} {{solibs}} $end_whole_flag {{libs}}"
     description = "SOLINK_MODULE $sofile"

     default_output_dir = "{{root_out_dir}}"
     default_output_extension = ".so"

     outputs = [
       sofile,
     ]
   }

   tool("link") {
     exename = "{{target_output_name}}{{output_extension}}"
     outfile = "{{output_dir}}/$exename"

     start_group_flag = ""
     end_group_flag = ""
     if (!mini_chromium_is_mac) {
       start_group_flag = "-Wl,--start-group"
       end_group_flag = "-Wl,--end-group"
     }
     command = "$ld {{ldflags}} -o \"$outfile\" $start_group_flag {{inputs}} {{solibs}} $end_group_flag {{libs}}"
     description = "LINK $outfile"

     default_output_dir = "{{root_out_dir}}"
     default_output_extension = ""
     outputs = [
       outfile,
     ]
   }

   tool("stamp") {
     command = "touch {{output}}"
     description = "STAMP {{output}}"
   }
 }

 toolchain("msvc_toolchain") {
   # We don't support all the cross blah-de-blah that Chromium does here. The
   # environment must be pre-setup by a vcvarsall.bat invocation. @rsp files are
   # also not used, for simplicity, and because mini_chromium/Crashpad shouldn't
   # require them in any configurations.
   cc = "cl.exe"
   cxx = "cl.exe"
   ar = "lib.exe"
   ld = "link.exe"
   helper_path = rebase_path("win_helper.py")

   tool("cc") {
     depfile = "{{output}}.d"
     command = "$cc /nologo /showIncludes {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} /c {{source}} /Fo{{output}}"
     depsformat = "msvc"
     description = "CC {{output}}"
     outputs = [
       "{{source_out_dir}}/{{label_name}}.{{source_name_part}}.obj",
     ]
   }

   tool("cxx") {
     depfile = "{{output}}.d"
     command = "$cxx /nologo /showIncludes {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} /c {{source}} /Fo{{output}}"
     depsformat = "msvc"
     description = "CXX {{output}}"
     outputs = [
       "{{source_out_dir}}/{{label_name}}.{{source_name_part}}.obj",
     ]
   }

   tool("alink") {
     command = "$python_path $helper_path link-wrapper $ar /nologo /out:{{output}} {{arflags}} {{inputs}}"
     description = "AR {{output}}"
     outputs = [
       "{{output_dir}}/{{target_output_name}}{{output_extension}}",
     ]
     default_output_dir = "{{target_out_dir}}"
     default_output_extension = ".lib"
     output_prefix = ""
   }

   tool("solink_module") {
     outputs = [
       "{{output_dir}}/{{target_output_name}}{{output_extension}}",
     ]
     command = "$python_path $helper_path link-wrapper $ld /nologo /DLL /OUT:{{output}} {{ldflags}} {{inputs}} {{solibs}} {{libs}}"
     description = "SOLINK_MODULE {{output}}"
     default_output_dir = "{{root_out_dir}}"
     default_output_extension = ".dll"
   }

   tool("link") {
     outputs = [
       "{{output_dir}}/{{target_output_name}}{{output_extension}}",
     ]
     command = "$python_path $helper_path link-wrapper $ld /nologo /OUT:{{output}} {{ldflags}} {{inputs}} {{solibs}} {{libs}}"
     description = "LINK {{output}}"
     default_output_dir = "{{root_out_dir}}"
     default_output_extension = ".exe"
   }

   tool("stamp") {
     command = "$python_path $helper_path stamp {{output}}"
     description = "STAMP {{output}}"
   }

   tool("copy") {
     command = "cmd /c copy /y {{source}} {{output}} >nul"
     description = "COPY {{source}} {{output}}"
   }
 }
	# Copyright 2016 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.

	################################################################################
	# DEFAULT BUILD CONFIGURATION
	################################################################################

	import("compiler.gni")
	import("platform.gni")
	import("sysroot.gni")

	if (mini_chromium_is_mac) {
	declare_args() {
	# The minimum runtime macOS version that built products are expected to run
	# on. If empty, the toolchain will choose its own default, typically the
	# older of the SDK version and the build host’s OS version.
	mac_deployment_target = "10.9"
	}
	} else if (mini_chromium_is_fuchsia) {
	declare_args() {
	# Path to the Fuchsia Clang toolchain.
	fuchsia_clang = "//third_party/fuchsia/clang/" + host_os + "-amd64"
	}
	}

	config("debug") {
	}

	config("release") {
	defines = [ "NDEBUG" ]

	if (mini_chromium_is_posix) {
	cflags = [ "-O3" ]
	if (mini_chromium_is_mac) {
	ldflags = [ "-Wl,-dead_strip" ]
	} else {
	cflags += [
	"-fdata-sections",
	"-ffunction-sections",
	]
	ldflags = [
	"-Wl,-O1",
	"-Wl,--gc-sections",
	]
	}
	} else if (mini_chromium_is_win) {
	cflags = [
	"/GL", # LTCG.
	"/O2",
	"/Ob2", # Both explicit and auto inlining.
	"/Oy-", # Disable omitting frame pointers, must be after /O2.
	"/Zc:inline", # Remove unreferenced COMDAT (faster links).
	"/d2Zi+", # Improve debugging of optimized code.
	]
	ldflags = [
	"/OPT:ICF",
	"/OPT:REF",
	"/LTCG",
	]
	arflags = [ "/LTCG" ]
	}
	}

	config("default") {
	common_flags = []

	asmflags = []
	ldflags = []
	if (mini_chromium_is_posix) {
	cflags = [
	"-Wall",
	"-Wendif-labels",
	"-Werror",
	"-Wextra",
	"-Wno-missing-field-initializers",
	"-Wno-unused-parameter",
	"-Wsign-compare",
	"-fno-exceptions",
	"-fno-rtti",
	"-fno-strict-aliasing", # See https://crbug.com/32204
	"-fobjc-call-cxx-cdtors",
	"-fstack-protector-all", # Implies -fstack-protector
	"-fvisibility-inlines-hidden",
	"-fvisibility=hidden",
	]

	cflags_c = [ "-std=c99" ]
	cflags_cc = [ "-std=c++14" ]
	cflags_objc = cflags_c
	cflags_objcc = cflags_cc

	cflags += [
	"-Wheader-hygiene",
	"-Wnewline-eof",
	"-Wstring-conversion",
	]

	if (sysroot != "") {
	if (sysroot == rebase_path(sysroot)) {
	# If it’s already system-absolute, leave it alone.
	sysroot_path = sysroot
	} else {
	sysroot_path = rebase_path(sysroot, root_build_dir)
	}
	if (mini_chromium_is_mac) {
	common_flags += [
	"-isysroot",
	sysroot_path,
	]
	} else {
	common_flags += [ "--sysroot=" + sysroot_path ]
	}
	}
	}

	if (mini_chromium_is_mac) {
	if (mac_deployment_target != "") {
	common_flags += [ "-mmacosx-version-min=" + mac_deployment_target ]
	}
	}

	if (mini_chromium_is_win) {
	cflags = [
	"/DNOMINMAX",
	"/DUNICODE",
	"/DWIN32_LEAN_AND_MEAN",
	"/D_CRT_SECURE_NO_WARNINGS",
	"/D_HAS_EXCEPTIONS=0",
	"/D_UNICODE",
	"/W4",
	"/WX",
	"/wd4100", # Unreferenced formal parameter.
	"/wd4127", # Conditional expression is constant.
	"/wd4351", # New behavior: elements of array will be default initialized.
	"/wd4530", # Exceptions disabled.
	"/wd4702", # Unreachable code.
	"/wd4996", # 'X' was declared deprecated.
	]
	}

	if (mini_chromium_is_linux) {
	defines = [ "_FILE_OFFSET_BITS=64" ]
	common_flags += [ "-pthread" ]
	}

	if (mini_chromium_is_fuchsia) {
	if (target_cpu == "arm64") {
	cflags += [ "--target=aarch64-fuchsia" ]
	ldflags += [ "--target=aarch64-fuchsia" ]
	} else if (target_cpu == "x64") {
	cflags += [ "--target=x86_64-fuchsia" ]
	ldflags += [ "--target=x86_64-fuchsia" ]
	} else {
	assert(false, "Unsupported architecture")
	}

	# fdio is listed in ldflags instead of libs because it’s important for it to
	# be loaded in Fuchsia processes that expect POSIX-like file descriptor
	# semantics, even if they don’t explicitly reference anything in the fdio
	# library. To avoid inadvertently losing the runtime dependency, it must
	# come before -Wl,--as-needed below.
	ldflags += [ "-lfdio" ]

	libs = [
	"zircon",
	]
	}

	if (mini_chromium_is_posix && !mini_chromium_is_mac) {
	cflags += [ "-fPIC" ]
	ldflags += [
	# This must follow Fuchsia’s fdio library above.
	"-Wl,--as-needed",

	"-Wl,-z,noexecstack",
	]
	}

	cflags += common_flags
	asmflags += common_flags
	ldflags += common_flags

	if (is_debug) {
	configs = [ ":debug" ]
	} else {
	configs = [ ":release" ]
	}
	}

	config("executable") {
	if (mini_chromium_is_linux) {
	ldflags = [ "-pie" ]
	}
	}

	config("Wexit_time_destructors") {
	if (mini_chromium_is_clang) {
	cflags = [ "-Wexit-time-destructors" ]
	}
	}

	################################################################################
	# TOOLCHAIN DEFINITIONS
	################################################################################

	toolchain("gcc_like_toolchain") {
	lib_switch = "-l"
	lib_dir_switch = "-L"

	if (mini_chromium_is_fuchsia) {
	cc = rebase_path(fuchsia_clang, root_build_dir) + "/bin/clang"
	cxx = rebase_path(fuchsia_clang, root_build_dir) + "/bin/clang++"
	asm = cxx
	ar = rebase_path(fuchsia_clang, root_build_dir) + "/bin/llvm-ar"
	ld = cxx
	} else {
	cc = "clang"
	cxx = "clang++"
	asm = cxx
	ld = cxx

	if (!mini_chromium_is_mac) {
	# macOS uses libtool instead of ar.
	ar = "ar"
	}
	}

	tool("cc") {
	depfile = "{{output}}.d"
	command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
	depsformat = "gcc"
	description = "CC {{output}}"
	outputs = [
	"{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
	]
	}

	tool("cxx") {
	depfile = "{{output}}.d"
	command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
	depsformat = "gcc"
	description = "CXX {{output}}"
	outputs = [
	"{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
	]
	}

	if (mini_chromium_is_mac) {
	tool("objc") {
	depfile = "{{output}}.d"
	command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_objc}} -c {{source}} -o {{output}}"
	depsformat = "gcc"
	description = "OBJC {{output}}"
	outputs = [
	"{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
	]
	}

	tool("objcxx") {
	depfile = "{{output}}.d"
	command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_objcc}} -c {{source}} -o {{output}}"
	depsformat = "gcc"
	description = "OBJCXX {{output}}"
	outputs = [
	"{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
	]
	}
	}

	tool("asm") {
	depfile = "{{output}}.d"
	command = "$asm -MMD -MF $depfile {{defines}} {{include_dirs}} {{asmflags}} -c {{source}} -o {{output}}"
	depsformat = "gcc"
	description = "ASM {{output}}"
	outputs = [
	"{{source_out_dir}}/{{label_name}}.{{source_name_part}}.o",
	]
	}

	tool("alink") {
	if (mini_chromium_is_mac) {
	command = "libtool -static -no_warning_for_no_symbols {{arflags}} -o {{output}} {{inputs}}"
	} else {
	command = "$ar rcsD {{arflags}} {{output}} {{inputs}}"
	}
	description = "AR {{output}}"
	default_output_dir = "{{target_out_dir}}"
	default_output_extension = ".a"
	output_prefix = "lib"
	outputs = [
	"{{output_dir}}/{{target_output_name}}{{output_extension}}",
	]
	}

	tool("solink_module") {
	# TODO(scottmg): This will need to do -framework, etc. for macOS.
	soname = "{{target_output_name}}{{output_extension}}" # e.g. "libfoo.so".
	sofile = "{{output_dir}}/$soname"

	soname_flag = ""
	start_whole_flag = ""
	end_whole_flag = ""
	if (mini_chromium_is_mac) {
	soname_flag = "-Wl,-install_name,\"$soname\""
	} else {
	soname_flag = "-Wl,-soname=\"$soname\""
	start_whole_flag = "-Wl,--whole-archive"
	end_whole_flag = "-Wl,--no-whole-archive "
	}
	command =
	"$ld -shared {{ldflags}} -o \"$sofile\" $soname_flag $start_whole_flag {{inputs}} {{solibs}} $end_whole_flag {{libs}}"
	description = "SOLINK_MODULE $sofile"

	default_output_dir = "{{root_out_dir}}"
	default_output_extension = ".so"

	outputs = [
	sofile,
	]
	}

	tool("link") {
	exename = "{{target_output_name}}{{output_extension}}"
	outfile = "{{output_dir}}/$exename"

	start_group_flag = ""
	end_group_flag = ""
	if (!mini_chromium_is_mac) {
	start_group_flag = "-Wl,--start-group"
	end_group_flag = "-Wl,--end-group"
	}
	command = "$ld {{ldflags}} -o \"$outfile\" $start_group_flag {{inputs}} {{solibs}} $end_group_flag {{libs}}"
	description = "LINK $outfile"

	default_output_dir = "{{root_out_dir}}"
	default_output_extension = ""
	outputs = [
	outfile,
	]
	}

	tool("stamp") {
	command = "touch {{output}}"
	description = "STAMP {{output}}"
	}
	}

	toolchain("msvc_toolchain") {
	# We don't support all the cross blah-de-blah that Chromium does here. The
	# environment must be pre-setup by a vcvarsall.bat invocation. @rsp files are
	# also not used, for simplicity, and because mini_chromium/Crashpad shouldn't
	# require them in any configurations.
	cc = "cl.exe"
	cxx = "cl.exe"
	ar = "lib.exe"
	ld = "link.exe"
	helper_path = rebase_path("win_helper.py")

	tool("cc") {
	depfile = "{{output}}.d"
	command = "$cc /nologo /showIncludes {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} /c {{source}} /Fo{{output}}"
	depsformat = "msvc"
	description = "CC {{output}}"
	outputs = [
	"{{source_out_dir}}/{{label_name}}.{{source_name_part}}.obj",
	]
	}

	tool("cxx") {
	depfile = "{{output}}.d"
	command = "$cxx /nologo /showIncludes {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} /c {{source}} /Fo{{output}}"
	depsformat = "msvc"
	description = "CXX {{output}}"
	outputs = [
	"{{source_out_dir}}/{{label_name}}.{{source_name_part}}.obj",
	]
	}

	tool("alink") {
	command = "$python_path $helper_path link-wrapper $ar /nologo /out:{{output}} {{arflags}} {{inputs}}"
	description = "AR {{output}}"
	outputs = [
	"{{output_dir}}/{{target_output_name}}{{output_extension}}",
	]
	default_output_dir = "{{target_out_dir}}"
	default_output_extension = ".lib"
	output_prefix = ""
	}

	tool("solink_module") {
	outputs = [
	"{{output_dir}}/{{target_output_name}}{{output_extension}}",
	]
	command = "$python_path $helper_path link-wrapper $ld /nologo /DLL /OUT:{{output}} {{ldflags}} {{inputs}} {{solibs}} {{libs}}"
	description = "SOLINK_MODULE {{output}}"
	default_output_dir = "{{root_out_dir}}"
	default_output_extension = ".dll"
	}

	tool("link") {
	outputs = [
	"{{output_dir}}/{{target_output_name}}{{output_extension}}",
	]
	command = "$python_path $helper_path link-wrapper $ld /nologo /OUT:{{output}} {{ldflags}} {{inputs}} {{solibs}} {{libs}}"
	description = "LINK {{output}}"
	default_output_dir = "{{root_out_dir}}"
	default_output_extension = ".exe"
	}

	tool("stamp") {
	command = "$python_path $helper_path stamp {{output}}"
	description = "STAMP {{output}}"
	}

	tool("copy") {
	command = "cmd /c copy /y {{source}} {{output}} >nul"
	description = "COPY {{source}} {{output}}"
	}
	}