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Etienne Dechamps fc88a6dda9 Fake modpost stage for LINUX_COMPILE. 
Currently, when building a test case, we're compiling an entire Linux
module from beginning to end. This includes the MODPOST stage, which
generates a "conftest.mod.c" file with some boilerplate module
declaration code.

This poses a problem when configuring for built-in on kernels which have
loadable module support disabled. In this case conftest.mod.c is
referencing disabled code, resulting in a compilation failure, thus
breaking the tests.

This patch fixes the issue by faking the modpost stage when the
--enable-linux-builtin option is provided.  It does so by forcing the
modpost command to be /bin/true, and using an empty conftest.mod.c file.
The test module still compiles fine, although the result isn't loadable,
but we don't really care at this point.

Note it is important to preserve the modpost stage when building out of
tree.  The ZFS_AC_KERNEL_BLK_END_REQUEST, ZFS_AC_KERNEL_BLK_QUEUE_FLUSH,
and ZFS_AC_KERNEL_BLK_RQ_BYTES configure checks all depend on it to
identify GPL-only symbols.

Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #851
2012-07-26 13:41:02 -07:00
..
always-no-unused-but-set-variable.m4 In autoconf v2.68, AC_LANG_PROGRAM must be quoted 2011-11-28 11:16:33 -08:00
arch.am Don't build packages that haven't been selected. 2012-07-26 13:39:37 -07:00
config.awk Add build system 2010-08-31 13:41:27 -07:00
config.guess Add initial autoconf products 2010-08-31 13:42:02 -07:00
config.sub Add initial autoconf products 2010-08-31 13:42:02 -07:00
deb.am Don't build packages that haven't been selected. 2012-07-26 13:39:37 -07:00
depcomp Add initial autoconf products 2010-08-31 13:42:02 -07:00
install-sh Add initial autoconf products 2010-08-31 13:42:02 -07:00
kernel-automount.m4 Add .zfs control directory 2012-03-22 13:03:47 -07:00
kernel-bdev-block-device-operations.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-bdev-logical-size.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-bdi-setup-and-register.m4 Simplify BDI integration 2011-11-08 10:19:03 -08:00
kernel-bdi.m4 Add backing_device_info per-filesystem 2011-08-04 13:37:38 -07:00
kernel-bio-empty-barrier.m4 Add build system 2010-08-31 13:41:27 -07:00
kernel-bio-end-io-t-args.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-bio-failfast.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-bio-rw-syncio.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-blk-end-request.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-blk-fetch-request.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-blk-queue-discard.m4 Add support for DISCARD to ZVOLs. 2012-02-09 16:19:38 -08:00
kernel-blk-queue-flush.m4 Fix synchronicity for ZVOLs. 2012-02-07 16:23:06 -08:00
kernel-blk-queue-io-opt.m4 Improve ZVOL queue behavior. 2012-02-07 16:23:06 -08:00
kernel-blk-queue-max-hw-sectors.m4 Improve ZVOL queue behavior. 2012-02-07 16:23:06 -08:00
kernel-blk-queue-max-segments.m4 Improve ZVOL queue behavior. 2012-02-07 16:23:06 -08:00
kernel-blk-queue-nonrot.m4 Improve ZVOL queue behavior. 2012-02-07 16:23:06 -08:00
kernel-blk-queue-physical-block-size.m4 Improve ZVOL queue behavior. 2012-02-07 16:23:06 -08:00
kernel-blk-requeue-request.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-blk-rq-bytes.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-blk-rq-pos.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-blk-rq-sectors.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-blkdev-get-by-path.m4 Linux 2.6.38 compat, blkdev_get_by_path() 2011-02-23 12:29:38 -08:00
kernel-blkdev-get.m4 Move partition scanning from userspace to module. 2012-07-17 09:17:31 -07:00
kernel-check-disk-size-change.m4 Fix 'zfs set volsize=N pool/dataset' 2011-05-02 08:54:40 -07:00
kernel-clear-inode.m4 Linux 3.5 compat, end_writeback() changed to clear_inode() 2012-07-23 12:29:36 -07:00
kernel-create-umode-t.m4 Linux 3.3 compat, iops->create()/mkdir()/mknod() 2012-04-30 12:52:38 -07:00
kernel-d-make-root.m4 Linux 3.4 compat, d_make_root() replaces d_alloc_root() 2012-06-11 10:04:49 -07:00
kernel-d-obtain-alias.m4 Implemented NFS export_operations. 2011-04-29 12:36:13 -07:00
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 Fix build failures on PaX/GRSecurity patched kernels 2012-07-17 09:22:43 -07:00
kernel-fmode-t.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-fsync.m4 Fix build failures on PaX/GRSecurity patched kernels 2012-07-17 09:22:43 -07:00
kernel-get-disk-ro.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-get-gendisk.m4 Move partition scanning from userspace to module. 2012-07-17 09:17:31 -07:00
kernel-insert-inode-locked.m4 Linux 2.6.28 compat, insert_inode_locked() 2011-03-22 12:15:54 -07:00
kernel-invalidate-bdev-args.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-kobj-name-len.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel-mount-nodev.m4 Linux compat 2.6.39: mount_nodev() 2011-07-01 13:36:39 -07:00
kernel-open-bdev-exclusive.m4 Add build system 2010-08-31 13:41:27 -07:00
kernel-rq-for-each_segment.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-rq-is_sync.m4 Fix configure tests to play nice with GCC 4.6 2011-11-29 16:14:25 -08:00
kernel-security-inode-init.m4 Linux 3.2 compat, security_inode_init_security() 2012-01-12 15:06:39 -08:00
kernel-set-nlink.m4 Linux 3.2 compat: set_nlink() 2011-12-16 20:02:52 -08:00
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 Linux 3.1 compat, super_block->s_shrink 2012-01-11 11:46:02 -08:00
kernel-truncate-range.m4 Linux 3.5 compat, iops->truncate_range() removed 2012-07-23 12:29:32 -07:00
kernel-truncate-setsize.m4 Tear down and flush the mmap region 2011-06-27 09:59:19 -07:00
kernel-xattr-handler.m4 Fix gcc configure warnings 2011-04-19 10:10:47 -07:00
kernel.m4 Fake modpost stage for LINUX_COMPILE. 2012-07-26 13:41:02 -07:00
ltmain.sh Fix executable permissions 2012-03-26 11:52:44 -07:00
missing Add initial autoconf products 2010-08-31 13:42:02 -07:00
rpm.am Don't build packages that haven't been selected. 2012-07-26 13:39:37 -07:00
Rules.am Check for -Wno-unused-but-set-variable gcc support 2011-06-14 14:43:22 -07:00
suppressed-warnings.txt Suppress packaging warning 2011-11-08 11:32:04 -08:00
tgz.am Don't build packages that haven't been selected. 2012-07-26 13:39:37 -07:00
user-arch.m4 Add build system 2010-08-31 13:41:27 -07:00
user-frame-larger-than.m4 In autoconf v2.68, AC_LANG_PROGRAM must be quoted 2011-11-28 11:16:33 -08:00
user-ioctl.m4 Add build system 2010-08-31 13:41:27 -07:00
user-libblkid.m4 In autoconf v2.68, AC_LANG_PROGRAM must be quoted 2011-11-28 11:16:33 -08:00
user-libuuid.m4 Add build system 2010-08-31 13:41:27 -07:00
user-nptl_guard_within_stack.m4 In autoconf v2.68, AC_LANG_PROGRAM must be quoted 2011-11-28 11:16:33 -08:00
user-selinux.m4 Autoconf selinux support 2011-01-28 12:45:19 -08:00
user-udev.m4 Move udev rules from /etc/udev to /lib/udev 2011-08-08 16:21:10 -07:00
user-zlib.m4 Add build system 2010-08-31 13:41:27 -07:00
user.m4 Move udev rules from /etc/udev to /lib/udev 2011-08-08 16:21:10 -07:00
zfs-build.m4 Make configure builtin-aware. 2012-07-26 13:40:18 -07:00
zfs-meta.m4 Add build system 2010-08-31 13:41:27 -07:00