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Brian Behlendorf
79713039a2
Newer versions of gcc are getting smart enough to detect the sloppy syntax used for the autoconf tests. It is now generating warnings for unused/undeclared variables. Newer version of gcc even have the -Wunused-but-set-variable option set by default. This isn't a problem except when -Werror is set and they get promoted to an error. In this case the autoconf test will return an incorrect result which will result in a build failure latter on. To handle this I'm tightening up many of the autoconf tests to explicitly mark variables as unused to suppress the gcc warning. Remember, all of the autoconf code can never actually be run we just want to get a clean build error to detect which APIs are available. Never using a variable is absolutely fine for this. Closes #176
Native ZFS for Linux! ZFS is an advanced file system and volume manager which was originally developed for Solaris. It has been successfully ported to FreeBSD and now there is a functional Linux ZFS kernel port too. The port currently includes a fully functional and stable SPA, DMU, and ZVOL with a ZFS Posix Layer (ZPL) on the way!
$ ./configure
$ make pkg
Full documentation for building, configuring, and using ZFS can be found at: http://zfsonlinux.org