From f790630f731947d4969a61eafd0c93c39c18c8be Mon Sep 17 00:00:00 2001
From: Paolo Barbolini <paolo@paolo565.org>
Date: Thu, 3 Jun 2021 15:54:02 +0200
Subject: [PATCH] Stop skeptic from having to be compiled by all downstream
 users

---
 .github/workflows/CI.yml | 3 +++
 Cargo.toml               | 2 +-
 build.rs                 | 4 ++++
 tests/skeptic.rs         | 1 +
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 300d51cd..89e7469a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -15,6 +15,9 @@ on:
     # Run against the last commit on the default branch on Friday at 8pm (UTC?)
     - cron:  '0 20 * * 5'
 
+env:
+  RUSTFLAGS: '--cfg skeptic'
+
 jobs:
   test:
     runs-on: ubuntu-latest
diff --git a/Cargo.toml b/Cargo.toml
index fd1e1ee2..65a5f35a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,5 +46,5 @@ getrandom = "0.2"
 skeptic = "0.13"
 tokio = { version = "1", features = ["rt-multi-thread", "macros" ] }
 
-[build-dependencies]
+[target.'cfg(skeptic)'.build-dependencies]
 skeptic = "0.13"
diff --git a/build.rs b/build.rs
index 7c44726d..61802ec7 100644
--- a/build.rs
+++ b/build.rs
@@ -1,4 +1,8 @@
+#[cfg(skeptic)]
 fn main() {
     // generates doc tests for `README.md`.
     skeptic::generate_doc_tests(&["README.md"]);
 }
+
+#[cfg(not(skeptic))]
+fn main() {}
diff --git a/tests/skeptic.rs b/tests/skeptic.rs
index ff46c9c0..6b54ee21 100644
--- a/tests/skeptic.rs
+++ b/tests/skeptic.rs
@@ -1 +1,2 @@
+#[cfg(skeptic)]
 include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));