btrfs-progs/INSTALL
David Sterba 123f4bc78c btrfs-progs: makefile: add support for additional build flags
Allow fine tuned build options via EXTRA_CFLAGS and EXTRA_LDFLAGS
variables. Useful for additional debugging flags or warnings etc.

Signed-off-by: David Sterba <dsterba@suse.com>
2015-09-01 14:02:50 +02:00

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Installation instructions
=========================
The Btrfs utility programs require the following libraries/tools to build:
- libuuid - provided by util-linux, e2fsprogs/e2fslibs or libuuid
- libblkid - block device id library
- liblzo2 - LZO data compression library
- zlib - ZLIB data compression library
For the btrfs-convert utility:
- e2fsprogs - ext2/ext3/ext4 file system libraries, or called e2fslibs
Generating documentation:
- asciidoc - text document format tool
- xmlto - text document format tool
XATTR library should be provided by the standard C library or by
- libattr - extended attribute library
Please note that the package names may differ according to the distribution.
See https://btrfs.wiki.kernel.org/index.php/Btrfs_source_repositories#Dependencies .
To build from git sources you need to generate the configure script using the
autotools:
$ ./autogen.sh
To build from the released tarballs:
$ ./configure
$ make
$ make install
You may disable building some parts like documentation, btrfs-convert or
backtrace support. See ./configure --help for more.
Specific CFLAGS or LDFLAGS should be set like
$ CFLAGS=... LDFLAGS=... ./configure --prefix=/usr
and not as arguments to make. You can specify additional flags to build via
variables EXTRA_CFLAGS and EXTRA_LDFLAGS that get appended to the predefined
values of the respective variables.
$ make EXTRA_CFLAGS=-ggdb3
References:
* https://btrfs.wiki.kernel.org