From 563010697ec765bfa12d99c7abd351ce620c0e63 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 20 Aug 2022 12:53:34 +0900
Subject: [PATCH] doc/guides/compile.md: add `rake clean` tip; ref #5784 [ci
 skip]

---
 doc/guides/compile.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/guides/compile.md b/doc/guides/compile.md
index 2923a2676..63f3849f4 100644
--- a/doc/guides/compile.md
+++ b/doc/guides/compile.md
@@ -556,3 +556,7 @@ CFLAGS = `$(MRB_CONFIG) --cflags`
 LDFLAGS = `$(MRB_CONFIG) --ldflags`
 LIBS = `$(MRB_CONFIG) --libs`
 ```
+
+## Tips
+
+* If you see compilation troubles, try `rake clean` first.