linux - Does RPM build always take the files from ~/rpmbuild? -

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everywhere have seen on internet, default location rpmbuild user's home directory, ~/rpmbuild. if wish build in folder location, say, ~/foo/bar/rpmbuild?

why this? difference make if build location else?

edit: means ~/rpmmacros file anywhere.

you can build rpms without having modify or maintain .rpmmacros file specifying _topdir in rpmbuild command line. example, 

rpmbuild --define '_topdir $(rpmbuild_dir)' \     --define 'version $(version)' \     --define 'release $(release)' \     -bb $(pkgname).spec

is in 1 of makefiles rpm project build rpms under ${rpmbuild_dir} specified version , release numbers variables. use lot can have multiple rpm-building projects don't conflict each other trying build in same directory.


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