diff options
Diffstat (limited to 'third_party/libwebrtc/build/toolchain/win/midl.gni')
| -rw-r--r-- | third_party/libwebrtc/build/toolchain/win/midl.gni | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/toolchain/win/midl.gni b/third_party/libwebrtc/build/toolchain/win/midl.gni new file mode 100644 index 0000000000..ecf02acd3c --- /dev/null +++ b/third_party/libwebrtc/build/toolchain/win/midl.gni @@ -0,0 +1,199 @@ +# Copyright 2014 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. + +assert(is_win) + +import("//build/config/win/visual_studio_version.gni") + +# This template defines a rule to invoke the MS IDL compiler. The generated +# source code will be compiled and linked into targets that depend on this. +# +# Parameters +# +# sources +# List of .idl file to process. +# +# header_file (optional) +# File name of generated header file. Defaults to the basename of the +# source idl file with a .h extension. +# +# out_dir (optional) +# Directory to write the generated files to. Defaults to target_gen_dir. +# +# generated_dir (optional) +# Directory where generated files were previously persisted. +# Defaults to third_party\win_build_output\midl\|out_dir|. +# +# dynamic_guids (optional) +# If the GUIDs are not constant across builds, the current GUID +# substitutions. +# |dynamic_guids| is of the form: +# "PLACEHOLDER-GUID-158428a4-6014-4978-83ba-9fad0dabe791=" +# "3d852661-c795-4d20-9b95-5561e9a1d2d9," +# "PLACEHOLDER-GUID-63B8FFB1-5314-48C9-9C57-93EC8BC6184B=" +# "D0E1CACC-C63C-4192-94AB-BF8EAD0E3B83". +# See midl.py for more details. +# +# writes_tlb (optional) +# Whether a .tlb file should be added to outputs. Defaults to false. +# +# writes_proxy(optional) +# Whether a _p.c file should be added to outputs. Defaults to true. +# +# writes_dlldata(optional) +# Whether a .dlldata.c file should be added to outputs. Defaults to true. +# +# deps (optional) +# +# defines (optional) +# Build time defines to be passed to midl.exe as /D parameter. +# +# visibility (optional) + +template("midl") { + action_name = "${target_name}_idl_action" + source_set_name = target_name + + assert(defined(invoker.sources), "Source must be defined for $target_name") + + if (defined(invoker.out_dir)) { + out_dir = invoker.out_dir + } else { + out_dir = target_gen_dir + } + + if (defined(invoker.generated_dir)) { + generated_dir = rebase_path(invoker.generated_dir) + } else { + # midl.py expects 'gen' to be replaced with 'midl'. + generated_dir = rebase_path("//third_party/win_build_output") + "/midl/" + + rebase_path(out_dir, root_gen_dir) + } + + if (defined(invoker.dynamic_guids)) { + dynamic_guids = invoker.dynamic_guids + } else { + dynamic_guids = "none" + } + + if (defined(invoker.header_file)) { + header_file = invoker.header_file + } else { + header_file = "{{source_name_part}}.h" + } + + if (defined(invoker.writes_tlb)) { + writes_tlb = invoker.writes_tlb + } else { + writes_tlb = false + } + + if (defined(invoker.writes_proxy)) { + writes_proxy = invoker.writes_proxy + } else { + writes_proxy = true + } + + if (defined(invoker.writes_dlldata)) { + writes_dlldata = invoker.writes_dlldata + } else { + writes_dlldata = true + } + + if (writes_tlb) { + type_library_file = "{{source_name_part}}.tlb" + } else { + type_library_file = "none" + } + + if (writes_dlldata) { + dlldata_file = "{{source_name_part}}.dlldata.c" + } else { + dlldata_file = "none" + } + + if (writes_proxy) { + proxy_file = "{{source_name_part}}_p.c" + } else { + proxy_file = "none" + } + + interface_identifier_file = "{{source_name_part}}_i.c" + + action_foreach(action_name) { + visibility = [ ":$source_set_name" ] + script = "//build/toolchain/win/midl.py" + + sources = invoker.sources + + outputs = [ + "$out_dir/$header_file", + "$out_dir/$interface_identifier_file", + ] + + # These files are only added to outputs if the invoker so desires, as it + # they are not always generated depending on the content of the input idl + # file. + if (writes_tlb) { + outputs += [ "$out_dir/$type_library_file" ] + } + if (writes_dlldata) { + outputs += [ "$out_dir/$dlldata_file" ] + } + if (writes_proxy) { + outputs += [ "$out_dir/$proxy_file" ] + } + + if (target_cpu == "x86") { + win_tool_arch = "environment.x86" + idl_target_platform = "win32" + } else if (target_cpu == "x64") { + win_tool_arch = "environment.x64" + idl_target_platform = "x64" + } else if (target_cpu == "arm64") { + win_tool_arch = "environment.arm64" + idl_target_platform = "arm64" + } else { + assert(false, "Need environment for this arch") + } + + args = [ + win_tool_arch, + generated_dir, + rebase_path(out_dir, root_build_dir), + dynamic_guids, + type_library_file, + header_file, + dlldata_file, + interface_identifier_file, + proxy_file, + rebase_path("//third_party/llvm-build/Release+Asserts/bin/clang-cl.exe", + root_build_dir), + "{{source}}", + "/char", + "signed", + "/env", + idl_target_platform, + "/Oicf", + ] + + if (defined(invoker.defines)) { + foreach(define, invoker.defines) { + args += [ "/D" + define ] + } + } + + forward_variables_from(invoker, [ "deps" ]) + } + + source_set(target_name) { + forward_variables_from(invoker, [ "visibility" ]) + + # We only compile the IID files from the IDL tool rather than all outputs. + sources = process_file_template(invoker.sources, + [ "$out_dir/$interface_identifier_file" ]) + + public_deps = [ ":$action_name" ] + } +} |