From c74c1e56ccb9bb02a87aa1dfee5bc4afaaca1465 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 21 Aug 2019 10:23:36 +0930
Subject: [PATCH] tools/test/Makefile: fix always-on generation of
 tools/test/gen_test.c

We need to tell it that the tmp file is an intermediate, so doesn't need
remaking if it doesn't exist.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 tools/test/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/test/Makefile b/tools/test/Makefile
index 04b4d7f0f..83ead75b4 100644
--- a/tools/test/Makefile
+++ b/tools/test/Makefile
@@ -26,6 +26,7 @@ $(TOOL_TEST_PROGRAMS): $(TOOL_TEST_COMMON_OBJS) $(TOOL_GEN_SRC:.c=.o) tools/test
 tools/test/gen_test.h: $(TOOLS_WIRE_DEPS)
 	$(BOLT_GEN) --page header $@ test_type < tools/test/test_cases > $@
 
+.INTERMEDIATE: tools/test/gen_test.c.tmp.c
 # Parallel make sometimes tries to use file before update-mocks, so split.
 tools/test/gen_test.c.tmp.c: $(TOOLS_WIRE_DEPS)
 	$(BOLT_GEN) --page impl tools/test/gen_test.h test_type < tools/test/test_cases > $@