[Buildroot] [PATCH v2 6/6] package/go: Set file timestamp

[Thomas Petazzoni]

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 at 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