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|
template("rust_crate") {
action(target_name) {
forward_variables_from(invoker,
[
"cfg",
"crate_type",
"source_root",
"deps",
"rust_deps",
])
sources = [
source_root,
]
outputs = []
depfile = "$target_out_dir/$target_name.d"
script = "//third_party/v8/tools/run.py"
args = [
"rustc",
rebase_path(source_root, root_build_dir),
"--crate-name=$target_name",
"--crate-type=$crate_type",
"--emit=dep-info=" + rebase_path(depfile, root_build_dir),
]
# We only use staticlib for the special "empty" lib.
if (crate_type == "staticlib") {
staticlib = "$target_out_dir/$target_name.a"
outputs += [ staticlib ]
args += [ "--emit=link=" + rebase_path(staticlib, root_build_dir) ]
}
if (crate_type == "rlib" || crate_type == "bin") {
obj = "$target_out_dir/$target_name.o"
outputs += [ obj ]
args += [ "--emit=obj=" + rebase_path(obj, root_build_dir) ]
}
if (crate_type == "rlib") {
rlib = "$target_out_dir/lib$target_name.rlib"
outputs += [ rlib ]
args += [ "--emit=link=" + rebase_path(rlib, root_build_dir) ]
}
if (is_debug) {
args += [ "-g" ]
}
if (is_official_build) {
args += [ "-O" ]
}
if (defined(cfg)) {
foreach(c, cfg) {
args += [
"--cfg",
c,
]
}
}
if (!defined(deps)) {
deps = []
}
if (defined(rust_deps)) {
deps += rust_deps
foreach(dep_label, rust_deps) {
dep_name = get_label_info(dep_label, "name")
dep_dir = get_label_info(dep_label, "target_out_dir")
dep_rlib = "$dep_dir/lib$dep_name.rlib"
args += [
"--extern",
"$dep_name=" + rebase_path(dep_rlib, root_build_dir),
]
}
}
}
}
template("rust_library") {
rust_crate(target_name) {
crate_type = "rlib"
forward_variables_from(invoker, "*")
}
}
template("rust_executable") {
bin_target = target_name + "_bin"
rust_crate(bin_target) {
crate_type = "bin"
forward_variables_from(invoker, "*")
}
# By compiling an empty file as crate-type=staticlib we get all the code
# for the rust stdlib, which are not included in the object file outputs
# of other libs.
stdlib_target = target_name + "_stdlib"
rust_crate(stdlib_target) {
crate_type = "staticlib"
source_root = "src/empty.rs"
}
executable(target_name) {
forward_variables_from(invoker, "*")
if (!defined(deps)) {
deps = []
}
deps += [
":" + bin_target,
":" + stdlib_target,
]
libs = get_target_outputs(":" + bin_target) +
get_target_outputs(":" + stdlib_target)
if (defined(rust_deps)) {
deps += rust_deps
foreach(dep_label, rust_deps) {
dep_name = get_label_info(dep_label, "name")
dep_dir = get_label_info(dep_label, "target_out_dir")
dep_obj = "$dep_dir/$dep_name.o"
libs += [ dep_obj ]
}
}
if (current_os == "mac") {
libs += [ "resolv" ]
}
if (current_os == "win") {
libs += [ "userenv.lib" ]
}
}
}
|
