I have noticed that there is a difference between the two scenarios
i) make CC=arm-linux-gnueabihf-gcc CPPFLAGS=[..]
ii) export CPPFLAGS=[..] [RET]
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,
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