There is no difference between the two. They both declare environment variables
for make.
________________________________
From: Help-make <help-make-bounces+sharma__r=hotmail....@gnu.org> on behalf of
Pietro <pulsarpie...@posteo.net>
Sent: Monday, September 19, 2016 9:32 AM
To: help-make@gnu.org
Subject: Exported vs command line variables
Hi,
I have noticed that there is a difference between the two scenarios
listed below:
i) make CC=arm-linux-gnueabihf-gcc CPPFLAGS=[..]
ii) export CPPFLAGS=[..] [RET]
make CC=arm-linux-gnueabihf-gcc
I have read over internet that the latter is used when appending
instead of replacing/setting the variable's value.
What is exactly the difference ? Is there a page in the Make manual
explaining that ?
Thanks a lot,
P.
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