From eca2a2a5297d982b0fc9ce12dbb29e6ab0da8bcc Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Thu, 5 Mar 2026 21:27:48 +0100
Subject: [PATCH 1/3] Recompile when prism headers change

* See https://github.com/ruby/prism/pull/3932#issuecomment-3915768654
---
 ext/prism/extconf.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext/prism/extconf.rb b/ext/prism/extconf.rb
index ae1691c979..ea7cfe963e 100644
--- a/ext/prism/extconf.rb
+++ b/ext/prism/extconf.rb
@@ -122,6 +122,8 @@ def add_libprism_source(path)
   add_libprism_source("$(srcdir)/../../src") +
   add_libprism_source("$(srcdir)/../../src/util")
 
+$headers += Dir["#{$srcdir}/../../include/**/*.h"]
+
 # Finally, we'll create the `Makefile` that is going to be used to configure and
 # build the C extension.
 create_makefile("prism/prism")

From 372a6eb61336210f816a3531051d6eac78e364ca Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Thu, 5 Mar 2026 21:42:44 +0100
Subject: [PATCH 2/3] Revert "Recompile when config.yml changes"

* This reverts commit ffe8f7a6e236790858e089d10bbc91f9ef9de6cb.
* No longer necessary as the Makefile depends on all *.c and *.h.
---
 ext/prism/depend | 2 --
 prism.gemspec    | 2 --
 2 files changed, 4 deletions(-)
 delete mode 100644 ext/prism/depend

diff --git a/ext/prism/depend b/ext/prism/depend
deleted file mode 100644
index ac0e7a9bb3..0000000000
--- a/ext/prism/depend
+++ /dev/null
@@ -1,2 +0,0 @@
-$(OBJS): $(HDRS) $(ruby_headers)
-$(OBJS): $(srcdir)/../../config.yml
diff --git a/prism.gemspec b/prism.gemspec
index 74d5412731..b85eeab855 100644
--- a/prism.gemspec
+++ b/prism.gemspec
@@ -42,8 +42,6 @@ Gem::Specification.new do |spec|
     "docs/serialization.md",
     "docs/testing.md",
     "ext/prism/api_node.c",
-    "ext/prism/depend",
-    "ext/prism/extconf.rb",
     "ext/prism/extension.c",
     "ext/prism/extension.h",
     "include/prism.h",

From 00dd807c1dce414280d9c49eacf380914069e7b2 Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@gmail.com>
Date: Thu, 5 Mar 2026 21:43:56 +0100
Subject: [PATCH 3/3] Include ext/prism/extconf.rb explicitly in prism.gemspec

* For consistency.
---
 prism.gemspec | 1 +
 1 file changed, 1 insertion(+)

diff --git a/prism.gemspec b/prism.gemspec
index b85eeab855..ae5c56a45d 100644
--- a/prism.gemspec
+++ b/prism.gemspec
@@ -42,6 +42,7 @@ Gem::Specification.new do |spec|
     "docs/serialization.md",
     "docs/testing.md",
     "ext/prism/api_node.c",
+    "ext/prism/extconf.rb",
     "ext/prism/extension.c",
     "ext/prism/extension.h",
     "include/prism.h",