Re: [Xen-devel] Build problems with xen 4.7

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 01.12.15 at 19:47, <m.a.young@xxxxxxxxxxxx> wrote:
> On Tue, 1 Dec 2015, Jan Beulich wrote:
>> I.e. there must be something different in how make gets invoked or
>> the environment set up.
> 
> It happens if CFLAGS is set to anything as a environment variable, eg.
> export CFLAGS=" "
> make dist-xen

Ugly, but I think it could be worked around (if we really want to
support CFLAGS coming in from the command line), along the lines
of

ABC_ORIG := $(ABC)
unexport ABC
MAKE := ABC=$(ABC_ORIG) $(MAKE)
ABC += xyz

all:
        @echo $@: 'ABC=$(ABC)' "ABC=$$ABC"
        $(MAKE) test

test:
        @echo $@: 'ABC=$(ABC)' "ABC=$$ABC"

Jan


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