linux-kernel - [PATCH 01/10] tools: improve vma test Makefile

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Message-ID: <c0f6c9b152facbf130833bd998f6761dfb540364.1722849859.git.lorenzo.stoakes@oracle.com>
Date: Mon,  5 Aug 2024 13:13:48 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>
Cc: "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: [PATCH 01/10] tools: improve vma test Makefile

Have vma.o depend on its source dependencies explicitly, as previously
these were simply being ignored as existing object files were up to date.

This now correctly re-triggers the build if mm/ source is changed as well
as local source code.

Also set clean as a phony rule.

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
---
 tools/testing/vma/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/vma/Makefile b/tools/testing/vma/Makefile
index bfc905d222cf..860fd2311dcc 100644
--- a/tools/testing/vma/Makefile
+++ b/tools/testing/vma/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-.PHONY: default
+.PHONY: default clean
 
 default: vma
 
@@ -9,7 +9,9 @@ include ../shared/shared.mk
 OFILES = $(SHARED_OFILES) vma.o maple-shim.o
 TARGETS = vma
 
-vma:	$(OFILES) vma_internal.h ../../../mm/vma.c ../../../mm/vma.h
+vma.o: vma.c vma_internal.h ../../../mm/vma.c ../../../mm/vma.h
+
+vma:	$(OFILES)
 	$(CC) $(CFLAGS) -o $@ $(OFILES) $(LDLIBS)
 
 clean:
-- 
2.45.2