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Re: [XEN PATCH v9 03/30] build: fix exported variable name CFLAGS_stack_boundary
- To: Anthony PERARD <anthony.perard@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 27 Jan 2022 16:36:55 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 27 Jan 2022 15:37:01 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 25.01.2022 12:00, Anthony PERARD wrote:
> Exporting a variable with a dash doesn't work reliably, they may be
> striped from the environment when calling a sub-make or sub-shell.
>
> CFLAGS-stack-boundary start to be removed from env in patch "build:
> set ALL_OBJS in main Makefile; move prelink.o to main Makefile" when
> running `make "ALL_OBJS=.."` due to the addition of the quote. At
> least in my empirical tests.
>
> Fixes: 2740d96efd ("xen/build: have the root Makefile generates the CFLAGS")
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
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