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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH v2 6/6] package/go: Set file timestamp
Date: Tue, 24 May 2016 21:13:54 +0200	[thread overview]
Message-ID: <20160524211354.20788c35@free-electrons.com> (raw)
In-Reply-To: <ec83a5927025fc759d5bfc26ee01aabde3658a7c.1463696454.git.geoff@infradead.org>

Hello,

On Thu, 19 May 2016 22:25:02 +0000, Geoff Levand wrote:
> Set all file timestamps to prevent the go compiler from rebuilding any
> built in packages when programs are built.
> 
> Signed-off-by: Geoff Levand <geoff@infradead.org>
> ---
>  package/go/go.mk | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/package/go/go.mk b/package/go/go.mk
> index 8565a86..a2babab 100644
> --- a/package/go/go.mk
> +++ b/package/go/go.mk
> @@ -119,6 +119,10 @@ define HOST_GO_INSTALL_CMDS
>  	# There is a known issue which requires the go sources to be installed
>  	# https://golang.org/issue/2775
>  	cp -a $(@D)/src $(HOST_GO_ROOT)/
> +
> +	# Set all file timestamps to prevent the go compiler from rebuilding any
> +	# built in packages when programs are built.
> +	find $(HOST_GO_ROOT) -type f -exec touch -r $(HOST_GO_TMP)/bin/go {} \;
>  endef

That's weird, why is it needed? Why are timestamps wrong in the first
place?

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

  reply	other threads:[~2016-05-24 19:13 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-19 22:25 [Buildroot] [PATCH v2 0/6] Fixes for go language support Geoff Levand
2016-05-19 22:25 ` [Buildroot] [PATCH v2 1/6] package/go: Build host tools with host CC Geoff Levand
2016-05-24 19:11   ` Thomas Petazzoni
2016-05-24 21:31     ` Geoff Levand
2016-05-24 21:34   ` [Buildroot] [PATCH v2.1 " Geoff Levand
2016-05-25 14:05     ` Thomas Petazzoni
2016-05-25 16:41       ` Geoff Levand
2016-05-25 20:59         ` Thomas Petazzoni
2016-05-26 17:24           ` Geoff Levand
2016-05-26 17:30             ` Thomas Petazzoni
2016-05-19 22:25 ` [Buildroot] [PATCH v2 4/6] package/go: Add HOST_GO_CGO_ENABLED Geoff Levand
2016-05-19 22:25 ` [Buildroot] [PATCH v2 3/6] package/flannel: Use HOST_GO_TARGET_ENV Geoff Levand
2016-05-19 22:25 ` [Buildroot] [PATCH v2 5/6] package/flannel: Add BR2_TOOLCHAIN_HAS_THREADS Geoff Levand
2016-05-19 22:25 ` [Buildroot] [PATCH v2 2/6] package/go: Add HOST_GO_TARGET_ENV Geoff Levand
2016-05-19 22:25 ` [Buildroot] [PATCH v2 6/6] package/go: Set file timestamp Geoff Levand
2016-05-24 19:13   ` Thomas Petazzoni [this message]
2016-05-24 20:12     ` Christian Stewart
2016-05-24 21:35     ` Geoff Levand

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