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# 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.
template("python_binary_module_sources") {
# Only available on linux for now.
assert(is_linux)
assert(defined(invoker.sources))
cython_root = "//third_party/cython"
cython_script = "$cython_root/src/cython.py"
cython_output = "${target_out_dir}/${target_name}.cc"
generator_target_name = target_name + "_cython_compiler"
config_name = target_name + "_python_config"
target_visibility = [ ":$target_name" ]
action(generator_target_name) {
visibility = target_visibility
script = cython_script
sources = invoker.sources
outputs = [ cython_output ]
args = [
"--cplus",
"-I",
rebase_path("//", root_build_dir),
"-o",
rebase_path(cython_output, root_build_dir),
] + rebase_path(sources, root_build_dir)
}
config(config_name) {
visibility = target_visibility
python_flags = "//third_party/cython/python_flags.py"
include_dirs = exec_script(python_flags,
[ "--includes" ],
"list lines")
libs = exec_script(python_flags,
[ "--libraries" ],
"list lines")
lib_dirs = exec_script(python_flags,
[ "--library_dirs" ],
"list lines")
if (!is_win) {
# Generated code includes static utility functions that often go unused.
cflags = [ "-Wno-unused-function" ]
}
}
source_set(target_name) {
deps = [ ":$generator_target_name" ]
if (defined(invoker.visibility)) {
visibility = invoker.visibility
}
if (defined(invoker.deps)) {
deps += invoker.deps
}
if (defined(invoker.datadeps)) {
datadeps = invoker.datadeps
}
sources = [ cython_output ]
if (defined(invoker.additional_sources)) {
sources += invoker.additional_sources
}
all_dependent_configs = [ ":$config_name" ]
}
}
template("python_binary_module") {
# Only available on linux for now.
assert(is_linux)
assert(defined(invoker.sources))
assert(defined(invoker.python_base_module))
sources_target_name = target_name + "_cython_sources"
shared_library_name = target_name + "_shared_library"
if (is_linux) {
shared_library_prefix = "lib"
shared_library_suffix = ".so"
python_module_suffix = ".so"
}
target_visibility = [
":$sources_target_name",
":$shared_library_name",
":$target_name",
]
python_binary_module_sources(sources_target_name) {
visibility = target_visibility
sources = invoker.sources
}
shared_library(shared_library_name) {
visibility = target_visibility
deps = [ ":$sources_target_name" ]
if (defined(invoker.deps)) {
deps += invoker.deps
}
if (defined(invoker.datadeps)) {
datadeps = invoker.datadeps
}
if (defined(invoker.additional_sources)) {
sources = invoker.additional_sources
}
if (defined(invoker.configs)) {
configs += invoker.configs
}
}
copy(target_name) {
python_base_module = invoker.python_base_module
sources = [
"$root_out_dir/${shared_library_prefix}${shared_library_name}${shared_library_suffix}"
]
outputs = [
"$root_out_dir/python/$python_base_module/${target_name}${python_module_suffix}"
]
deps = [ ":$shared_library_name" ]
}
}
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