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Automatically use --enable-notify-dbus when building lvmlockd
if not configured otherwise by a configure user -
as the lvmlockd.service is notify based.
Attach -Wl,-z,relro,-z,now,-z,pack-relative-relocs,--as-needed
to LDFLAGS, but only if LDFLAGS already doesn't contain 'relro'
(so it's not given repeatedly).
Also start to use -z,now linkage also when building libraries
with default compilation - this avoid calling symbol resolver
while library function are using function needing resolving.
Note: Fedora or RHEL rpm building is using:
CFLAGS=$(rpm --eval %{build_cflags})
LDFLAGS=$(rpm --eval %{build_ldflags})
Also split -DUSE_SD_NOTIFY into DEFS from CFLAGS.
Use LDFLAGS separately with every use of CLDFLAGS and leave
this flag only for handling versioning.
This will reflect any LDFLAGS setting use during make.
Let's move proc into include/configure.h so this define can
be easily used across the source base.
Configure defines it - but ATM we do not provide any configure
option to change it - there should be no need to ever change it.
Add new configurable option for building lvm2 with enable/disable
default autoactivation setting.
Might be useful for building i.e. rpms for systems where
this event_activation is not desired.
Simplify configuration with enabling options:
- For --enable-dmeventd automatically --enable-cmdlib.
- For --enable-dbus-service auto --enable-notify-dbus.
Fix check linux/fiemap.h for dmfilemapd.
Introduce couple configure options:
--without-blkid
--without-systemd
--without-udev
These can be useful for build with --disable-shared
where those libraries are often distibuted without
their static libraries.
However such compiled static binaries then have limitted usage.
Since LVM 2.02 it appears that compiling LVM on a platform which
lacks a shared library linker/loader will fail to produce any
binaries (dmsetup, lvm2, etc).
Adds support for the standard --disable-shared flag, and
use it to disable attempts at building shared libraries.
Modified-by: zkabelac
Correcting output results from configure script when
printing locking dir.
Shuffle dmfilemapd close to dmeventd option and tracing.
Couple indent changes.
Add some Gentoo based patches for better support of static linking.
This are not tested nor supported by upstream developers.
Usage requires presence of several libraries in their static form
which is however not commonly available.
Selinux modified by zkabelac to still work on older sofrware which
did not provided libselinux.pc at a time - see keep the old check
present and use pkg-config only when possible.
When user enables lockd libraris, code needs to fail, when then are
missing. Also when notify-dbus support if enabled, and libsystemd is
missing, abort configuration.
Check for pkg-config --libs libdlm_lt and test if the returned value
contains word 'pthread' - if so, it's likely a buggy result from
incorrect config file and use directly -ldlm_lt for this case.
Convert lvmlockd to use configure _LIBS and _CFLAGS for
discovered libraries.
TODO: ATM we ignore discovered libdlm and use libdlm_lt instead.
Also libseagate_ilm is hard to find unicorn for testing.
Convert naming SYSTEMD_CFLAGS/LIB -> LIBSYSTEMD_CFLAGS/LIBS
to better fit library check for libsystemd.
Build lvmlockd with SD_NOTIFY when we have defined LIBSYSTEMD_LIBS.
Commit 7a8b7b4add introducing lockidm
support missed to use AC_SUBST() for a variable and provide it only
in prebuilt configure, so with the next autoreconf this variable
was lost and IDM support was no longer compiled.
Fixes: https://github.com/lvmteam/lvm2/issues/98
Reported-by: Tom Prohofsky
We still need to support build without any blkid present,
so use PKG_CHECK_EXISTS() instead of direct failure
from PKG_CHECK_MODULES for too old version.
Allow users to specify their path to systemd-run binary:
configure --with-systemd-run=/my/path/system-run
By defaults it autodetected in $PATH and fallbacks to:
/usr/bin/systemd-run.
Previous commit e67ebc5c40 used incorrect check
for blkid version.
Fix it by always checking for at least version 2.24,
as we can't use older version anyway.
Added BLKID_SUBLKS_FSINFO is present in newer version.
Use configure detection instead of trying to directly include
blkid.h inside lvresize.c - where we do not pass in BLKID_CFLAGS
and since we actually do not need to use blkid there, introeduce
test variable HAVE_BLKID_SUBLKS_FSINFO and avoid trying to
use blkid.h in this place - this also fixes builing problem for
systems without blkid.h.
`AS_IF([...])` is more portable, as it respects macro expansions of
`AC_REQUIRE()`.
This is recommended Autoconf best practice, since in nested
conditionals, it is generally unknowable whether some macro invokes
`AC_REQUIRE()` deep down:
https://www.gnu.org/software/autoconf/manual/autoconf-2.71/html_node/Common-Shell-Constructs.html#index-AS_005fIF-1
As a result, the hacky `pkg_config_init` function is not needed
anymore, since any `PKG_*` invocation will ensure that
`PKG_PROG_PKG_CONFIG` will have been called, due to the fact that
`AC_REQUIRE()` will trickle up.
`[[ ... ]]` only works in bash, and not in POSIX sh, specifically
dash fails on this, which is a popular alternative to bash for running
configure scripts.
test's `-a` and `-o` options are considered obsolescent by POSIX,
because they interact badly with expressions and can become ambiguous
depending on string arguments:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html
`==` only works in bash.
The new option "--fs String" for lvresize/lvreduce/lvextend
controls the handling of file systems before/after resizing
the LV. --resizefs is the same as --fs resize.
The new option "--fsmode String" can be used to control
mounting and unmounting of the fs during resizing.
Possible --fs values:
checksize
Only applies to reducing size; does nothing for extend.
Check the fs size and reduce the LV if the fs is not using
the affected space, i.e. the fs does not need to be shrunk.
Fail the command without reducing the fs or LV if the fs is
using the affected space.
resize
Resize the fs using the fs-specific resize command.
This may include mounting, unmounting, or running fsck.
See --fsmode to control mounting behavior, and --nofsck to
disable fsck.
resize_fsadm
Use the old method of calling fsadm to handle the fs
(deprecated.) Warning: this option does not prevent lvreduce
from destroying file systems that are unmounted (or mounted
if prompts are skipped.)
ignore
Resize the LV without checking for or handling a file system.
Warning: using ignore when reducing the LV size may destroy the
file system.
Possible --fsmode values:
manage
Mount or unmount the fs as needed to resize the fs,
and attempt to restore the original mount state at the end.
nochange
Do not mount or unmount the fs. If mounting or unmounting
is required to resize the fs, then do not resize the fs or
the LV and fail the command.
offline
Unmount the fs if it is mounted, and resize the fs while it
is unmounted. If mounting is required to resize the fs,
then do not resize the fs or the LV and fail the command.
Notes on lvreduce:
When no --fs or --resizefs option is specified:
. lvextend default behavior is fs ignore.
. lvreduce default behavior is fs checksize
(includes activating the LV.)
With the exception of --fs resize_fsadm|ignore, lvreduce requires
the recent libblkid fields FSLASTBLOCK and FSBLOCKSIZE.
FSLASTBLOCK*FSBLOCKSIZE is the last byte used by the fs on the LV,
which determines if reducing the fs is necessary.
As we are not using 'enable-compat' for anything, remove this section.
Also remove duplicated check for blkid.
Move setting of some AC_ARG_ENABLE defaults into the macro so it's always
defined.
Enhance logic for checking supported systemd version,
while doing only a single check for systemd package.
For version checking use PKG_CHECK_EXISTS() macro.
Also use one pkg check for blkid.
Avoid checking version for thin/cache_check when tools are not present
on system.
