| # -*- bazel-starlark -*- |
| # Copyright 2023 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """Siso configuration for ChromeOS builds.""" |
| |
| load("@builtin//lib/gn.star", "gn") |
| load("@builtin//path.star", "path") |
| load("@builtin//struct.star", "module") |
| |
| def __filegroups(ctx): |
| fg = {} |
| if not "args.gn" in ctx.metadata: |
| print("no args.gn") |
| return fg |
| gn_args = gn.args(ctx) |
| if not "cros_target_cxx" in gn_args: |
| print("no cros_target_cxx") |
| return fg |
| toolchain = gn_args.get("cros_target_cxx") |
| toolchain = toolchain.strip('"') |
| toolchain = ctx.fs.canonpath(toolchain) |
| print("toolchain = %s" % toolchain) |
| if toolchain: |
| toolchain = path.dir(path.dir(toolchain)) |
| fg[toolchain + ":headers"] = { |
| "type": "glob", |
| "includes": ["*"], |
| } |
| if not "target_sysroot" in gn_args: |
| print("no target_sysroot") |
| return fg |
| sysroot = gn_args.get("target_sysroot") |
| sysroot = sysroot.strip('"') |
| sysroot = ctx.fs.canonpath(sysroot) |
| print("sysroot = %s" % sysroot) |
| if sysroot: |
| fg[path.join(sysroot, "usr/include") + ":include"] = { |
| "type": "glob", |
| "includes": ["*"], |
| # needs bits/stab.def, c++/* |
| } |
| fg[path.join(sysroot, "usr/lib") + ":headers"] = { |
| "type": "glob", |
| "includes": ["*.h", "crtbegin.o"], |
| } |
| fg[path.join(sysroot, "usr/lib64") + ":headers"] = { |
| "type": "glob", |
| "includes": ["*.h"], |
| } |
| print(fg) |
| return fg |
| |
| def __cros_compiler(ctx, cmd): |
| tool_inputs = cmd.tool_inputs |
| for i, arg in enumerate(cmd.args): |
| if arg.startswith("-fprofile-sample-use="): |
| # profile data is in ninja input (direct or indirect), |
| # but siso doesn't include ninja inputs for deps=gcc |
| # (it would include lots of unnecessary inputs) |
| # so just add profdata by checking command line flag. |
| profdata = ctx.fs.canonpath(arg.removeprefix("-fprofile-sample-use=")) |
| tool_inputs.append(profdata) |
| ctx.actions.fix(tool_inputs = tool_inputs) |
| |
| __handlers = { |
| "cros_compiler": __cros_compiler, |
| } |
| |
| def __step_config(ctx, step_config): |
| if not "args.gn" in ctx.metadata: |
| return step_config |
| gn_args = gn.args(ctx) |
| if "cros_target_cxx" in gn_args: |
| toolchain = gn_args.get("cros_target_cxx") |
| if toolchain: |
| step_config["rules"].extend([ |
| { |
| "name": "clang-cros/cxx", |
| "action": "(.*_)?cxx", |
| "command_prefix": "../../build/cros_cache/chrome-sdk/", |
| "remote": True, |
| "handler": "cros_compiler", |
| "canonicalize_dir": True, |
| "timeout": "5m", |
| }, |
| { |
| "name": "clang-cros/cc", |
| "action": "(.*_)?cc", |
| "command_prefix": "../../build/cros_cache/chrome-sdk/", |
| "remote": True, |
| "handler": "cros_compiler", |
| "canonicalize_dir": True, |
| "timeout": "5m", |
| }, |
| ]) |
| if "target_sysroot" in gn_args: |
| sysroot = gn_args.get("target_sysroot") |
| if sysroot: |
| sysroot = sysroot.strip('"') |
| sysroot = ctx.fs.canonpath(sysroot) |
| step_config["input_deps"].update({ |
| sysroot + ":headers": [ |
| path.join(sysroot, "usr/include") + ":include", |
| path.join(sysroot, "usr/lib") + ":headers", |
| path.join(sysroot, "usr/lib64") + ":headers", |
| ], |
| }) |
| return step_config |
| |
| cros = module( |
| "cros", |
| filegroups = __filegroups, |
| handlers = __handlers, |
| step_config = __step_config, |
| ) |
