ProtoLog: ensure services.core.json.gz is built deterministically
The gzip format includes a last modified timestamp, which gzip fills with the current time by default.
To avoid that, we switch to the in-tree minigzip implementation which doesn't.
Bug: 142371189
Test: make droid, verify the services.core.json.gz file is the same for repeated builds
Change-Id: Id31efe3731f922a9c960585dcb9411ffb5a4bff5
diff --git a/services/core/Android.bp b/services/core/Android.bp
index 80bc1af..4ba0f300 100644
--- a/services/core/Android.bp
+++ b/services/core/Android.bp
@@ -144,7 +144,8 @@
name: "services.core.json.gz",
srcs: [":checked-protolog.json"],
out: ["services.core.protolog.json.gz"],
- cmd: "gzip < $(in) > $(out)",
+ cmd: "$(location minigzip) -c < $(in) > $(out)",
+ tools: ["minigzip"],
}
prebuilt_etc {
