Home | History | Annotate | Download | only in go 
      1 # Copyright 2014 The Chromium Authors. All rights reserved.
      2 # Use of this source code is governed by a BSD-style license that can be
      3 # found in the LICENSE file.
      4 
      5 declare_args() {
      6   # By default, there is no go build tool, because go builds are not supported.
      7   go_build_tool = ""
      8 }
      9 
     10 # Declare a go test binary target.
     11 #
     12 # The target generates a go test executable, linking against other C code,
     13 # which is compiled into a static library and linked against Go.
     14 #
     15 # Only works on linux. |go_build_tool| must be set to the absolute path
     16 # of the go build tool.
     17 #
     18 # Variables (all required)
     19 #   sources: list of .go files to compile
     20 #   static_library_sources: list of C sources needed for the static library
     21 #   deps: dependencies for the static library
     22 
     23 template("go_test_binary") {
     24   # Only available on linux for now.
     25   assert(is_linux)
     26   assert(defined(invoker.sources))
     27   assert(go_build_tool != "")
     28 
     29   static_library_name = target_name + "_static_library"
     30 
     31   static_library(static_library_name) {
     32     sources = invoker.static_library_sources
     33     deps = invoker.deps
     34     complete_static_lib = true
     35   }
     36 
     37   action(target_name) {
     38     deps = [
     39       ":$static_library_name",
     40     ]
     41     script = "//build/go/go.py"
     42     outputs = [ "${target_out_dir}/${target_name}" ]
     43     # Since go test does not permit specifying an output directory or output
     44     # binary name, we create a temporary build directory, and the python
     45     # script will later identify the output, copy it to the target location,
     46     # and clean up the temporary build directory.
     47     build_dir = "${target_out_dir}/${target_name}_build"
     48     args = [
     49       "--", 
     50       "${go_build_tool}",
     51       rebase_path(build_dir, root_build_dir),
     52       rebase_path(target_out_dir, root_build_dir) + "/${target_name}",
     53       rebase_path("//", root_build_dir),
     54       "-I" + rebase_path("//"),
     55       " -L" + rebase_path(target_out_dir) +
     56       " -L" + rebase_path(root_build_dir + "/obj/third_party/libevent") +
     57       " -l" + static_library_name +
     58       " -lstdc++ -lpthread -lm -lglib-2.0 -levent",
     59       "test", "-c",
     60     ] + rebase_path(invoker.sources, build_dir)
     61   }
     62 }
     63