mirror_zfs/config/Rules.am
Colm 658fb8020f
Add "compatibility" property for zpool feature sets
Property to allow sets of features to be specified; for compatibility
with specific versions / releases / external systems. Influences
the behavior of 'zpool upgrade' and 'zpool create'. Initial man
page changes and test cases included.

Brief synopsis:

zpool create -o compatibility=off|legacy|file[,file...] pool vdev...

compatibility = off : disable compatibility mode (enable all features)
compatibility = legacy : request that no features be enabled
compatibility = file[,file...] : read features from specified files.
Only features present in *all* files will be enabled on the
resulting pool. Filenames may be absolute, or relative to
/etc/zfs/compatibility.d or /usr/share/zfs/compatibility.d (/etc
checked first).

Only affects zpool create, zpool upgrade and zpool status.

ABI changes in libzfs:

* New function "zpool_load_compat" to load and parse compat sets.
* Add "zpool_compat_status_t" typedef for compatibility parse status.
* Add ZPOOL_PROP_COMPATIBILITY to the pool properties enum
* Add ZPOOL_STATUS_COMPATIBILITY_ERR to the pool status enum

An initial set of base compatibility sets are included in
cmd/zpool/compatibility.d, and the Makefile for cmd/zpool is
modified to install these in $pkgdatadir/compatibility.d and to
create symbolic links to a reasonable set of aliases.

Reviewed-by: ericloewe
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Colm Buckley <colm@tuatha.org>
Closes #11468
2021-02-17 21:30:45 -08:00

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#
# Default build rules for all user space components, every Makefile.am
# should include these rules and override or extend them as needed.
#
PHONY =
DEFAULT_INCLUDES = \
-include $(top_builddir)/zfs_config.h \
-I$(top_builddir)/include \
-I$(top_srcdir)/include \
-I$(top_srcdir)/module/icp/include \
-I$(top_srcdir)/lib/libspl/include
if BUILD_LINUX
DEFAULT_INCLUDES += \
-I$(top_srcdir)/lib/libspl/include/os/linux
endif
if BUILD_FREEBSD
DEFAULT_INCLUDES += \
-I$(top_srcdir)/lib/libspl/include/os/freebsd
endif
AM_LIBTOOLFLAGS = --silent
AM_CFLAGS = -std=gnu99 -Wall -Wstrict-prototypes -Wmissing-prototypes
AM_CFLAGS += -fno-strict-aliasing
AM_CFLAGS += $(NO_OMIT_FRAME_POINTER)
AM_CFLAGS += $(DEBUG_CFLAGS)
AM_CFLAGS += $(ASAN_CFLAGS)
AM_CFLAGS += $(CODE_COVERAGE_CFLAGS) $(NO_FORMAT_ZERO_LENGTH)
if BUILD_FREEBSD
AM_CFLAGS += -fPIC -Werror -Wno-unknown-pragmas -Wno-enum-conversion
AM_CFLAGS += -include $(top_srcdir)/include/os/freebsd/spl/sys/ccompile.h
AM_CFLAGS += -I/usr/include -I/usr/local/include
endif
AM_CPPFLAGS = -D_GNU_SOURCE
AM_CPPFLAGS += -D_REENTRANT
AM_CPPFLAGS += -D_FILE_OFFSET_BITS=64
AM_CPPFLAGS += -D_LARGEFILE64_SOURCE
AM_CPPFLAGS += -DHAVE_LARGE_STACKS=1
AM_CPPFLAGS += -DLIBEXECDIR=\"$(libexecdir)\"
AM_CPPFLAGS += -DRUNSTATEDIR=\"$(runstatedir)\"
AM_CPPFLAGS += -DSBINDIR=\"$(sbindir)\"
AM_CPPFLAGS += -DSYSCONFDIR=\"$(sysconfdir)\"
AM_CPPFLAGS += -DPKGDATADIR=\"$(pkgdatadir)\"
AM_CPPFLAGS += $(DEBUG_CPPFLAGS)
AM_CPPFLAGS += $(CODE_COVERAGE_CPPFLAGS)
if BUILD_LINUX
AM_CPPFLAGS += -DTEXT_DOMAIN=\"zfs-linux-user\"
endif
if BUILD_FREEBSD
AM_CPPFLAGS += -DTEXT_DOMAIN=\"zfs-freebsd-user\"
endif
AM_LDFLAGS = $(DEBUG_LDFLAGS)
AM_LDFLAGS += $(ASAN_LDFLAGS)
if BUILD_FREEBSD
AM_LDFLAGS += -fstack-protector-strong -shared
AM_LDFLAGS += -Wl,-x -Wl,--fatal-warnings -Wl,--warn-shared-textrel
AM_LDFLAGS += -lm
endif