From db272ee2395967494b04540753fb27a9663329c3 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 13 Nov 2019 22:47:24 +0000
Subject: [PATCH 1/1] test regeneration after a &:-included file (ie a .sd.mk)
 changes

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 example/.gitignore       | 3 ++-
 example/src/Subdir.sd.mk | 2 ++
 tests/check              | 7 +++++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/example/.gitignore b/example/.gitignore
index 4c8a2a9..07064fc 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -24,5 +24,6 @@ Makefile
 Subdir.mk
 *.tmp
 
-#----- For our out-of-tree build test -----
+#----- For our tests -----
 /build
+/src/for-test.sd.mk
diff --git a/example/src/Subdir.sd.mk b/example/src/Subdir.sd.mk
index 69ac190..402116e 100644
--- a/example/src/Subdir.sd.mk
+++ b/example/src/Subdir.sd.mk
@@ -10,3 +10,5 @@
 
 &toy: $(&OBJECTS) $(&LIBS)
 	$(LINK) $^
+
+&:-include src/for-test.sd.mk
diff --git a/tests/check b/tests/check
index afae155..7465c2c 100755
--- a/tests/check
+++ b/tests/check
@@ -11,5 +11,12 @@ make -j4 all check
 git clean -xdff
 mkdir build
 cd build
+>>../src/for-test.sd.mk
 .././autogen.sh && ../configure
 make -j4 all check
+
+echo '# for-check 1' >>../src/for-test.sd.mk
+make -j4
+grep '^# for-check 1' src/Subdir.mk || false
+
+echo ok.
-- 
2.30.2