[Buildroot] [PATCH] uboot: ensure host includes are searched before system default includes

Trent Piepho tpiepho at impinj.com
Fri Mar 2 00:11:59 UTC 2018


On Thu, 2018-03-01 at 21:54 +0100, Peter Korsgaard wrote:
> Commit baae5156ce37e (uboot: use local fdt headers) changed the uboot logic
> to pass the host include directories with -idirafter instead of -I, so
> include files local to u-boot would be preferred over host includes.
> 
> This unfortunately breaks configurations using
> BR2_TARGET_UBOOT_NEEDS_OPENSSL on hosts with incompatible openssl headers
> installed in the system default include directories as explained here:
> 
> http://lists.busybox.net/pipermail/buildroot/2018-March/214651.html
> 
> The problem is that -idirafter directories gets added to the very end of the
> search order, AFTER the system default directories.
> 
> Instead use -isystem which causes the directories to be added after -I but
> before the system default directories.  With this in place, the include
> directories of u-boot will first be scanned, followed by the host includes
> and finally the system default include directories.
> 
> Signed-off-by: Peter Korsgaard <peter at korsgaard.com>

Acked-by: Trent Piepho <tpiepho at impinj.com>


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