From 2cc0b14d1f67990e575d94a1b196e15aee722b3f Mon Sep 17 00:00:00 2001
From: Austin Seipp <aseipp@pobox.com>
Date: Sun, 6 Aug 2023 17:50:00 -0500
Subject: [PATCH] proc-macros: add BUILD files

Signed-off-by: Austin Seipp <aseipp@pobox.com>
---
 BUILD                      |  1 +
 lib/proc-macros/BUILD      | 22 ++++++++++++++++++++++
 lib/proc-macros/Cargo.toml |  3 +++
 3 files changed, 26 insertions(+)
 create mode 100644 lib/proc-macros/BUILD

diff --git a/BUILD b/BUILD
index abe51bdc79..a256decc88 100644
--- a/BUILD
+++ b/BUILD
@@ -4,5 +4,6 @@
         for (name, actual) in [
             # (top-level name, fully-qualified target name)
             ("gen-protos", "//lib/gen-protos:gen-protos"),
+            ("proc-macros", "//lib/proc-macros:proc-macros"),
         ]
 ]
diff --git a/lib/proc-macros/BUILD b/lib/proc-macros/BUILD
new file mode 100644
index 0000000000..5b7d9d3d62
--- /dev/null
+++ b/lib/proc-macros/BUILD
@@ -0,0 +1,22 @@
+
+load("//buck/shims/jj.bzl", "jj")
+
+alias(
+    # NOTE: default target for this package
+    name = 'proc-macros',
+    actual = ':jj-lib-proc-macros',
+)
+
+jj.rust_library(
+    name = 'jj-lib-proc-macros',
+    srcs = glob(["src/**/*.rs"]),
+    proc_macro = True,
+    deps = [
+        # CARGO-SYNC-START: dependencies
+        'third-party//rust:proc-macro2',
+        'third-party//rust:quote',
+        'third-party//rust:syn',
+        # CARGO-SYNC-END
+    ],
+    visibility = ['PUBLIC'], # XXX FIXME (aseipp): why is this needed?
+)
diff --git a/lib/proc-macros/Cargo.toml b/lib/proc-macros/Cargo.toml
index e26bfa26ba..a1d21be46b 100644
--- a/lib/proc-macros/Cargo.toml
+++ b/lib/proc-macros/Cargo.toml
@@ -13,6 +13,9 @@ readme = { workspace = true }
 
 include = ["/LICENSE", "/src/"]
 
+[lints]
+workspace = true
+
 [lib]
 proc-macro = true