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Brian Behlendorf fed90353d7
Support -fsanitize=address with --enable-asan 
When --enable-asan is provided to configure then build all user
space components with fsanitize=address.  For kernel support
use the Linux KASAN feature instead.

https://github.com/google/sanitizers/wiki/AddressSanitizer

When using gcc version 4.8 any test case which intentionally
generates a core dump will fail when using --enable-asan.
The default behavior is to disable core dumps and only newer
versions allow this behavior to be controled at run time with
the ASAN_OPTIONS environment variable.

Additionally, this patch includes some build system cleanup.

* Rules.am updated to set the minimum AM_CFLAGS, AM_CPPFLAGS,
  and AM_LDFLAGS.  Any additional flags should be added on a
  per-Makefile basic.  The --enable-debug and --enable-asan
  options apply to all user space binaries and libraries.

* Compiler checks consolidated in always-compiler-options.m4
  and renamed for consistency.

* -fstack-check compiler flag was removed, this functionality
  is provided by asan when configured with --enable-asan.

* Split DEBUG_CFLAGS in to DEBUG_CFLAGS, DEBUG_CPPFLAGS, and
  DEBUG_LDFLAGS.

* Moved default kernel build flags in to module/Makefile.in and
  split in to ZFS_MODULE_CFLAGS and ZFS_MODULE_CPPFLAGS.  These
  flags are set with the standard ccflags-y kbuild mechanism.

* -Wframe-larger-than checks applied only to binaries or
  libraries which include source files which are built in
  both user space and kernel space.  This restriction is
  relaxed for user space only utilities.

* -Wno-unused-but-set-variable applied only to libzfs and
  libzpool.  The remaining warnings are the result of an
  ASSERT using a variable when is always declared.

* -D_POSIX_PTHREAD_SEMANTICS and -D__EXTENSIONS__ dropped
  because they are Solaris specific and thus not needed.

* Ensure $GDB is defined as gdb by default in zloop.sh.

Signed-off-by: DHE <git@dehacked.net>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7027
 		2018-01-10 10:49:27 -08:00
..
.gitignore Add config/compile to config/.gitignore 2014-10-31 16:25:34 -07:00
Rules.am Support -fsanitize=address with --enable-asan 2018-01-10 10:49:27 -08:00
always-arch.m4 Illumos Crypto Port module added to enable native encryption in zfs 2016-07-20 10:43:30 -07:00
always-compiler-options.m4 Support -fsanitize=address with --enable-asan 2018-01-10 10:49:27 -08:00
ax_code_coverage.m4 Fix "--enable-code-coverage" debug build 2017-09-22 22:16:18 -07:00
config.awk Add build system 2010-08-31 13:41:27 -07:00
deb.am Add DKMS package on Debian-based distributions 2017-10-15 13:00:44 -07:00
kernel-acl.m4 Fix ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE check 2016-11-09 13:53:13 -08:00
kernel-aio-fsync.m4 Kernel 4.9 compat: file_operations->aio_fsync removal 2016-11-15 09:20:46 -08:00
kernel-automount.m4 Fix snapshot automounting with GrSecurity constify plugin. 2012-08-24 08:56:38 -07:00
kernel-bdev-block-device-operations.m4 3.10 API change: block_device_operations->release() returns void 2013-07-08 15:41:57 -07:00
kernel-bdev-logical-size.m4 Only use gcc -Wunused-but-set-variable when available 2013-01-10 16:09:39 -08:00
kernel-bdev-physical-size.m4 Only use gcc -Wunused-but-set-variable when available 2013-01-10 16:09:39 -08:00
kernel-bdi.m4 Fix autoconf detection of super_setup_bdi_name 2017-07-25 10:30:20 -07:00
kernel-bio-bvec-iter.m4 Linux 3.14 compat: Immutable biovec changes in vdev_disk.c 2014-04-10 14:28:38 -07:00
kernel-bio-end-io-t-args.m4 Linux 4.13 compat: bio->bi_status and blk_status_t 2017-07-23 19:37:12 -07:00
kernel-bio-failfast.m4 Linux 2.6.36 compat, use REQ_FAILFAST_MASK and remove pre-2.6.36 support 2015-05-11 15:07:00 -07:00
kernel-bio-op.m4 Fix RHEL 7.4 bio_set_op_attrs build error 2017-06-27 12:00:27 -07:00
kernel-bio-rw-barrier.m4 zvol processing should use struct bio 2015-09-04 15:30:24 -04:00
kernel-bio-rw-discard.m4 zvol processing should use struct bio 2015-09-04 15:30:24 -04:00
kernel-bio_set_dev.m4 Linux 3.14 compat: IO acct, global_page_state, etc 2017-09-16 11:00:19 -07:00
kernel-blk-queue-bdi.m4 Enable Linux read-ahead for a single page on ZVOLs 2017-05-04 18:00:27 -04:00
kernel-blk-queue-flush.m4 Linux 4.7 compat: replace blk_queue_flush with blk_queue_write_cache 2016-05-20 11:08:55 -07:00
kernel-blk-queue-max-hw-sectors.m4 Only use gcc -Wunused-but-set-variable when available 2013-01-10 16:09:39 -08:00
kernel-blk-queue-max-segments.m4 Only use gcc -Wunused-but-set-variable when available 2013-01-10 16:09:39 -08:00
kernel-blk-queue-unplug.m4 Explicit block device plugging when submitting multiple BIOs 2016-09-29 13:13:31 -07:00
kernel-blkdev-get-by-path.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-blkdev-get.m4 Move partition scanning from userspace to module. 2012-07-17 09:17:31 -07:00
kernel-block-device-operations-release-void.m4 3.10 API change: block_device_operations->release() returns void 2013-07-08 15:41:57 -07:00
kernel-clear-inode.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-commit-metadata.m4 Implement .commit_metadata hook for NFS export 2012-10-03 10:49:45 -07:00
kernel-create-nameidata.m4 Linux 4.2 compat: follow_link() / put_link() 2015-07-17 09:18:16 -07:00
kernel-current-time.m4 Linux 4.12 compat: CURRENT_TIME removed 2017-05-10 09:30:48 -07:00
kernel-current_bio_tail.m4 zvol processing should use struct bio 2015-09-04 15:30:24 -04:00
kernel-d-make-root.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-d-obtain-alias.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-d-prune-aliases.m4 Add zfs_sb_prune_aliases() function 2015-06-22 10:22:49 -07:00
kernel-declare-event-class.m4 Swap DTRACE_PROBE* with Linux tracepoints 2014-11-17 11:13:55 -08:00
kernel-dentry-operations.m4 Eliminate runtime function pointer mods in autotools checks 2013-03-04 08:49:17 -08:00
kernel-dirty-inode.m4 Eliminate runtime function pointer mods in autotools checks 2013-03-04 08:49:17 -08:00
kernel-discard-granularity.m4 Set zvol discard_granularity to the volblocksize. 2012-08-07 14:55:31 -07:00
kernel-elevator-change.m4 Only use gcc -Wunused-but-set-variable when available 2013-01-10 16:09:39 -08:00
kernel-encode-fh-inode.m4 Linux 3.5 compat, eops->encode_fh() takes inodes 2012-07-23 12:29:23 -07:00
kernel-evict-inode.m4 Fix build failures on PaX/GRSecurity patched kernels 2012-07-17 09:22:43 -07:00
kernel-fallocate.m4 Eliminate runtime function pointer mods in autotools checks 2013-03-04 08:49:17 -08:00
kernel-file-dentry.m4 Use file_dentry and file_inode wrappers 2016-08-11 12:06:37 -07:00
kernel-file-inode.m4 Linux 3.19 compat: file_inode was added 2015-02-10 11:24:51 -08:00
kernel-fmode-t.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-follow-down-one.m4 Linux 3.18 compat: Snapshot auto-mounting 2015-08-31 13:54:39 -07:00
kernel-fpu.m4 Support for vectorized algorithms on x86 2016-03-21 09:24:34 -07:00
kernel-fsync.m4 Eliminate runtime function pointer mods in autotools checks 2013-03-04 08:49:17 -08:00
kernel-generic_io_acct.m4 Linux 3.14 compat: IO acct, global_page_state, etc 2017-09-16 11:00:19 -07:00
kernel-generic_readlink.m4 4.10 compat - BIO flag changes and others 2016-12-30 16:03:59 -06:00
kernel-get-disk-ro.m4 Only use gcc -Wunused-but-set-variable when available 2013-01-10 16:09:39 -08:00
kernel-get-gendisk.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-get-link.m4 Linux 4.5 compat: get_link() / put_link() 2016-01-20 11:36:00 -08:00
kernel-inode-getattr.m4 Linux 4.11 compat: iops.getattr and friends 2017-03-20 17:51:16 -07:00
kernel-inode-set-flags.m4 Use inode_set_flags when available 2016-12-16 13:54:51 -08:00
kernel-insert-inode-locked.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-invalidate-bdev-args.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-is_owner_or_cap.m4 Refactor inode_owner_or_capable() autotools check 2014-05-01 10:06:49 -07:00
kernel-kmap-atomic-args.m4 Add compatibility layer for {kmap,kunmap}_atomic 2015-08-24 10:13:25 -07:00
kernel-kuid-helpers.m4 Check whether the kernel supports i_uid/gid_read/write helpers 2016-07-25 13:21:49 -07:00
kernel-lookup-bdev.m4 Fix lookup_bdev() on Ubuntu 2016-10-26 10:30:43 -07:00
kernel-lookup-nameidata.m4 Linux 4.2 compat: follow_link() / put_link() 2015-07-17 09:18:16 -07:00
kernel-lseek-execute.m4 Add SEEK_DATA/SEEK_HOLE to lseek()/llseek() 2013-07-02 09:24:43 -07:00
kernel-mk-request-fn.m4 Linux 4.4 compat: make_request_fn returns blk_qc_t 2015-12-01 16:48:08 -08:00
kernel-mkdir-umode-t.m4 Fix spelling 2017-01-03 11:31:18 -06:00
kernel-mod-param.m4 Linux compat: Grsecurity kernel 2016-08-22 10:05:45 -07:00
kernel-mount-nodev.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-objtool.m4 Suppress incorrect objtool warnings 2017-12-07 10:28:50 -08:00
kernel-open-bdev-exclusive.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-put-link.m4 Linux 4.5 compat: get_link() / put_link() 2016-01-20 11:36:00 -08:00
kernel-rename.m4 Linux 4.9 compat: iops->rename() wants flags 2016-10-20 09:39:09 -07:00
kernel-security-inode-init.m4 Use -Werror for all kernel configure tests. 2013-02-24 10:20:28 -08:00
kernel-set-nlink.m4 Linux 3.2 compat: set_nlink() 2011-12-16 20:02:52 -08:00
kernel-setattr-prepare.m4 Linux 4.9 compat: inode_change_ok() renamed setattr_prepare() 2016-10-20 09:39:09 -07:00
kernel-sget-args.m4 Linux 3.6 compat, sget() 2012-10-14 13:06:48 -07:00
kernel-show-options.m4 Fix NULL pointer dereference on PaX/GRSecurity patched Linux 3.3 and later kernels 2012-07-20 12:31:45 -07:00
kernel-shrink.m4 3.12 compat, NUMA-aware per-superblock shrinker 2015-06-17 10:43:13 -07:00
kernel-submit_bio.m4 Linux 4.8 compat: submit_bio() 2016-07-29 14:48:00 -07:00
kernel-super-userns.m4 Linux 4.8 compat: new s_user_ns member of struct super_block 2016-08-08 10:47:22 -07:00
kernel-tmpfile.m4 Add support for O_TMPFILE 2016-11-04 10:46:40 -07:00
kernel-truncate-range.m4 Linux 3.5 compat, iops->truncate_range() removed 2012-07-23 12:29:32 -07:00
kernel-truncate-setsize.m4 When checking for symbol exports, try compiling. 2012-07-26 13:42:57 -07:00
kernel-vfs-iterate.m4 Linux 4.7 compat: use iterate_shared for concurrent readdir 2016-05-20 11:09:16 -07:00
kernel-vfs-rw-iterate.m4 Fix incompatibility with Reiser4 patched kernels 2018-01-09 16:18:19 -08:00
kernel-vm_node_stat.m4 Linux 4.8+ compatibility fix for vm stats 2017-08-24 10:48:23 -07:00
kernel-xattr-handler.m4 Fix spelling 2017-01-03 11:31:18 -06:00
kernel.m4 Support -fsanitize=address with --enable-asan 2018-01-10 10:49:27 -08:00
mount-helper.m4 The mount helper mount.zfs MUST be in /sbin (not '$sbindir'). 2015-05-18 16:54:36 -07:00
rpm.am Support parallel build trees (VPATH builds) 2015-07-17 13:42:51 -07:00
suppressed-warnings.txt Suppress packaging warning 2011-11-08 11:32:04 -08:00
tgz.am Refresh RPM packaging 2013-03-18 15:33:17 -07:00
toolchain-simd.m4 Add support for AVX-512 family of instruction sets 2016-08-16 14:10:33 -07:00
user-dracut.m4 Accept udev and dracut paths specified by ./configure 2014-06-11 16:32:57 -07:00
user-libattr.m4 Add the ZFS Test Suite 2016-03-16 13:46:16 -07:00
user-libblkid.m4 Require libblkid 2016-03-09 10:39:22 -08:00
user-libssl.m4 Encryption patch follow-up 2017-10-11 16:54:48 -04:00
user-libtirpc.m4 Add support for libtirpc 2016-04-28 09:27:40 -07:00
user-libudev.m4 Fix WANT_DEVNAME2DEVID configure error 2016-04-01 09:06:54 -07:00
user-libuuid.m4 Cleanup linking 2016-03-18 13:31:11 -07:00
user-makedev.m4 glibc 2.5 compat: use correct header for makedev() et al. 2017-03-31 09:32:00 -07:00
user-runstatedir.m4 Add defs for makefile installation dir vars 2014-03-31 16:11:13 -07:00
user-systemd.m4 Fix --with-systemd on Debian-based distributions (#6963) 2017-12-17 14:08:48 -08:00
user-sysvinit.m4 Add systemd unit files for ZFS startup 2014-02-05 12:25:30 -08:00
user-udev.m4 Accept udev and dracut paths specified by ./configure 2014-06-11 16:32:57 -07:00
user-zlib.m4 Cleanup linking 2016-03-18 13:31:11 -07:00
user.m4 Support -fsanitize=address with --enable-asan 2018-01-10 10:49:27 -08:00
zfs-build.m4 Support -fsanitize=address with --enable-asan 2018-01-10 10:49:27 -08:00
zfs-meta.m4 Fix automatically generated release number 2016-09-21 13:45:21 -07:00