Add xdoc command. (#39)

Setting RUSTDOCFLAGS in addition to RUSTFLAGS causes rustdoc to use the desired sysroot. Closes #38.
rust-osdev · Jul 9, 2019 · f7904f4 · f7904f4
1 parent 30e3d24
commit f7904f4
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diff --git a/src/bin/cargo-xdoc.rs b/src/bin/cargo-xdoc.rs
@@ -0,0 +1,5 @@
+extern crate xargo_lib;
+
+pub fn main() {
+    xargo_lib::main_common("doc");
+}
diff --git a/src/xargo.rs b/src/xargo.rs
@@ -32,8 +32,10 @@ pub fn run(
     let flags = rustflags.for_xargo(home)?;
     if verbose {
         writeln!(io::stderr(), "+ RUSTFLAGS={:?}", flags).ok();
+        writeln!(io::stderr(), "+ RUSTDOCFLAGS={:?}", flags).ok();
     }
-    cmd.env("RUSTFLAGS", flags);
+    cmd.env("RUSTFLAGS", &flags);
+    cmd.env("RUSTDOCFLAGS", &flags);
 
     let locks = (home.lock_ro(&meta.host), home.lock_ro(cmode.triple()));