[Buildroot] [PATCH 03/10] kconfig infra: make update-config/defconfig handling symmetrical
Yann E. MORIN
yann.morin.1998 at free.fr
Tue Feb 3 14:21:43 UTC 2015
From: Thomas De Schampheleire <thomas.de.schampheleire at gmail.com>
Replace a 'cp --preserve' with a 'touch --reference' so that the code
for foo-update-config and foo-update-defconfig is symmetrical to ease
maintainability and increase clarity.
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire at gmail.com>
Signed-off-by: "Yann E. Morin" <yann.morin.1998 at free.fr>
---
package/pkg-kconfig.mk | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/package/pkg-kconfig.mk b/package/pkg-kconfig.mk
index db56b7a..f76c7a7 100644
--- a/package/pkg-kconfig.mk
+++ b/package/pkg-kconfig.mk
@@ -78,8 +78,11 @@ $(1)-savedefconfig: $$($(2)_DIR)/.stamp_kconfig_fixup_done
$$($(2)_KCONFIG_OPTS) savedefconfig
# Target to copy back the configuration to the source configuration file
+# Even though we could use 'cp --preserve-timestamps' here, the separate
+# cp and 'touch --reference' is used for symmetry with $(1)-update-defconfig.
$(1)-update-config: $$($(2)_DIR)/.stamp_kconfig_fixup_done
- cp --preserve=timestamps -f $$($(2)_DIR)/.config $$($(2)_KCONFIG_FILE)
+ cp -f $$($(2)_DIR)/.config $$($(2)_KCONFIG_FILE)
+ touch --reference $$($(2)_DIR)/.config $$($(2)_KCONFIG_FILE)
# Note: make sure the timestamp of the stored configuration is not newer than
# the .config to avoid a useless rebuild. Note that, contrary to
--
1.9.1
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