Dear all, I am a newbie of LFS, I following the install guide for building LFS, but I have a question about some chapter that said "Before starting to build Binutils, remember to unset any environment variables that override the default optimization flags". I want to know how to unset all the environment variables? Is something like that ...
unset CC CXX CPP LD_LIBRARY_PATH LD_PRELOAD
If I didn't unset the environment variable, what will happen when during making LFS?
Thanks all.
Regards.
Unless you specifically set the CFLAGS and CXXFLAGS variables (which you wouldn't have unless you were doing compiler optimizations) you shouldn't need to unset any environment variables on a standard system.
If you did, you've got the right usage anyway:
unset CFLAGS CXXFLAGS
The LD stuff has nothing to do with optimization flags, neither does CC, CXX or CPP as far as I'm aware.
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