build: bring rustc --cfg flag support back

motammi · Jan 14, 2019 · 0cdcefd · 0cdcefd
1 parent 4f63aa4
commit 0cdcefd
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/build_extra/rust/rust.gni b/build_extra/rust/rust.gni
@@ -45,6 +45,7 @@ template("rust_crate") {
 
  forward_variables_from(invoker,
  [
+ "cfg",
  "crate_name",
  "crate_type",
  "crate_version",
@@ -214,6 +215,15 @@ template("rust_crate") {
  args += invoker.args
  }
 
+ if (defined(cfg)) {
+ foreach(c, cfg) {
+ args += [
+ "--cfg",
+ "c",
+ ]
+ }
+ }
+
  if (defined(features)) {
  foreach(f, features) {
  args += [