third_party: Add nanopb BUILD.gn file
This change creates a Pigweed third_party directory and defines a GN
build file for nanopb which exposes a pw_source_set for the nanopb
library from a build arg pointing to a local nanopb installation.
Change-Id: I6779203626abce7821dc3fcef6dcbc11c319b43c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/15763
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/pw_protobuf_compiler/proto.gni b/pw_protobuf_compiler/proto.gni
index d2652b5..9ddcfa3 100644
--- a/pw_protobuf_compiler/proto.gni
+++ b/pw_protobuf_compiler/proto.gni
@@ -18,7 +18,7 @@
import("$dir_pw_build/input_group.gni")
import("$dir_pw_build/python_script.gni")
import("$dir_pw_build/target_types.gni")
-import("nanopb.gni")
+import("$dir_pw_third_party/nanopb/nanopb.gni")
declare_args() {
# Generators with which to compile protobuf code. These are used by the
# pw_proto_library template to determine which build targets to create.
@@ -162,8 +162,8 @@
all_dependent_configs = [ ":$_include_config_target" ]
deps = [ ":$_gen_target" ]
public_deps = [
- dir_pw_third_party_nanopb,
"$dir_pw_rpc:nanopb_server",
+ "$dir_pw_third_party/nanopb",
] + invoker.gen_deps
public = get_target_outputs(":$_gen_target")
}
@@ -244,7 +244,7 @@
pw_source_set(target_name) {
all_dependent_configs = [ ":$_include_config_target" ]
deps = [ ":$_gen_target" ]
- public_deps = [ dir_pw_third_party_nanopb ] + invoker.gen_deps
+ public_deps = [ "$dir_pw_third_party/nanopb" ] + invoker.gen_deps
sources = get_target_outputs(":$_gen_target")
public = filter_include(sources, [ "*.pb.h" ])
}