allow integrating the "make rpm" command into a build system

Allow "make rpm" to take some extra configure options from the build
environment without having to patch the code.

Build the tarball in a temporary directory instead of the e2fsprogs
source directory.

Signed-off-by: Michael MacDonald <Michael.Macdonald@Sun.COM>
Signed-off-by: Andreas Dilger <adilger@sun.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2 files changed