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# Copyright 2019 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
load(
"//go/private:mode.bzl",
"link_mode_args",
)
load("//go/private/actions:utils.bzl", "quote_opts")
def _archive(v):
importpaths = [v.data.importpath]
importpaths.extend(v.data.importpath_aliases)
return "{}={}={}".format(
":".join(importpaths),
v.data.importmap,
v.data.export_file.path if v.data.export_file else v.data.file.path,
)
def _embedroot_arg(src):
return src.root.path
def _embedlookupdir_arg(src):
root_relative = src.dirname[len(src.root.path):]
if root_relative.startswith("/"):
root_relative = root_relative[len("/"):]
return root_relative
def emit_compilepkg(
go,
sources = None,
cover = None,
embedsrcs = [],
importpath = "",
importmap = "",
archives = [],
cgo = False,
cgo_inputs = depset(),
cppopts = [],
copts = [],
cxxopts = [],
objcopts = [],
objcxxopts = [],
clinkopts = [],
out_lib = None,
out_export = None,
out_cgo_export_h = None,
gc_goopts = [],
testfilter = None, # TODO: remove when test action compiles packages
recompile_internal_deps = []):
"""Compiles a complete Go package."""
if sources == None:
fail("sources is a required parameter")
if out_lib == None:
fail("out_lib is a required parameter")
inputs = (sources + embedsrcs + [go.package_list] +
[archive.data.export_file for archive in archives] +
go.sdk.tools + go.sdk.headers + go.stdlib.libs)
outputs = [out_lib, out_export]
env = go.env
args = go.builder_args(go, "compilepkg")
args.add_all(sources, before_each = "-src")
args.add_all(embedsrcs, before_each = "-embedsrc", expand_directories = False)
args.add_all(
sources + [out_lib] + embedsrcs,
map_each = _embedroot_arg,
before_each = "-embedroot",
uniquify = True,
expand_directories = False,
)
args.add_all(
sources + [out_lib],
map_each = _embedlookupdir_arg,
before_each = "-embedlookupdir",
uniquify = True,
expand_directories = False,
)
if cover and go.coverdata:
inputs.append(go.coverdata.data.export_file)
args.add("-arc", _archive(go.coverdata))
if go.mode.race:
args.add("-cover_mode", "atomic")
else:
args.add("-cover_mode", "set")
args.add("-cover_format", go.cover_format)
args.add_all(cover, before_each = "-cover")
args.add_all(archives, before_each = "-arc", map_each = _archive)
if recompile_internal_deps:
args.add_all(recompile_internal_deps, before_each = "-recompile_internal_deps")
if importpath:
args.add("-importpath", importpath)
else:
args.add("-importpath", go.label.name)
if importmap:
args.add("-p", importmap)
args.add("-package_list", go.package_list)
args.add("-o", out_lib)
args.add("-x", out_export)
if go.nogo:
args.add("-nogo", go.nogo)
inputs.append(go.nogo)
if out_cgo_export_h:
args.add("-cgoexport", out_cgo_export_h)
outputs.append(out_cgo_export_h)
if testfilter:
args.add("-testfilter", testfilter)
gc_flags = list(gc_goopts)
gc_flags.extend(go.mode.gc_goopts)
asm_flags = []
if go.mode.race:
gc_flags.append("-race")
if go.mode.msan:
gc_flags.append("-msan")
if go.mode.debug:
gc_flags.extend(["-N", "-l"])
gc_flags.extend(go.toolchain.flags.compile)
gc_flags.extend(link_mode_args(go.mode))
asm_flags.extend(link_mode_args(go.mode))
args.add("-gcflags", quote_opts(gc_flags))
args.add("-asmflags", quote_opts(asm_flags))
env = go.env
if cgo:
inputs.extend(cgo_inputs.to_list()) # OPT: don't expand depset
inputs.extend(go.crosstool)
env["CC"] = go.cgo_tools.c_compiler_path
if cppopts:
args.add("-cppflags", quote_opts(cppopts))
if copts:
args.add("-cflags", quote_opts(copts))
if cxxopts:
args.add("-cxxflags", quote_opts(cxxopts))
if objcopts:
args.add("-objcflags", quote_opts(objcopts))
if objcxxopts:
args.add("-objcxxflags", quote_opts(objcxxopts))
if clinkopts:
args.add("-ldflags", quote_opts(clinkopts))
go.actions.run(
inputs = inputs,
outputs = outputs,
mnemonic = "GoCompilePkg",
executable = go.toolchain._builder,
arguments = [args],
env = go.env,
)
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