GN build: Add application images group and docs
This change adds a top-level build group for application images, as well
as documentation for the upstream GN build layout.
Change-Id: Ib559a9747e9758648cd97b5192126028a01526f2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/13520
Commit-Queue: Alexei Frolov <frolv@google.com>
Reviewed-by: Armando Montanez <amontanez@google.com>
Reviewed-by: Rob Oliver <rgoliver@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 745b9c4..30ba175 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -30,6 +30,9 @@
# size_optimized
# speed_optimized
pw_optimization_level = "debug"
+
+ # List of application image GN targets specific to the Pigweed target.
+ pw_TARGET_APPLICATIONS = []
}
# Enumerate all of the different targets that upstream Pigweed will build by
@@ -88,6 +91,7 @@
if (pw_docgen_BUILD_DOCS) {
deps += [ "$dir_pigweed/docs" ]
} else {
+ deps += [ ":apps" ]
if (pw_unit_test_AUTOMATIC_RUNNER == "") {
# Without a test runner defined, build the tests but don't run them.
deps += [ ":pw_module_tests" ]
@@ -106,6 +110,14 @@
# Prevent the default toolchain from parsing any other BUILD.gn files.
if (current_toolchain != default_toolchain) {
+ group("apps") {
+ # Application images built for all targets.
+ deps = []
+
+ # Add target-specific images.
+ deps += pw_TARGET_APPLICATIONS
+ }
+
group("host_tools") {
deps = [
"$dir_pw_target_runner/go:simple_client",
@@ -113,13 +125,6 @@
]
}
- group("pw_facades") {
- deps = [
- "$dir_pw_cpu_exception",
- "$dir_pw_sys_io",
- ]
- }
-
# All Pigweed modules that can be built using gn. This is not built by default.
group("pw_modules") {
deps = [
@@ -128,6 +133,7 @@
"$dir_pw_base64",
"$dir_pw_bytes",
"$dir_pw_checksum",
+ "$dir_pw_cpu_exception",
"$dir_pw_polyfill",
"$dir_pw_preprocessor",
"$dir_pw_protobuf",
@@ -136,6 +142,7 @@
"$dir_pw_status",
"$dir_pw_stream",
"$dir_pw_string",
+ "$dir_pw_sys_io",
"$dir_pw_trace",
"$dir_pw_unit_test",
"$dir_pw_varint",