]>
Commit | Line | Data |
---|---|---|
c9c0d073 | 1 | dnl # |
fc0c72b1 | 2 | dnl # Default ZFS kernel configuration |
c9c0d073 BB |
3 | dnl # |
4 | AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ | |
5 | ZFS_AC_KERNEL | |
6 | ZFS_AC_SPL | |
6a9d6359 | 7 | ZFS_AC_QAT |
319a99a3 | 8 | ZFS_AC_TEST_MODULE |
a6cc9756 | 9 | ZFS_AC_KERNEL_MISC_MINOR |
650383f2 | 10 | ZFS_AC_KERNEL_OBJTOOL |
c9c0d073 | 11 | ZFS_AC_KERNEL_CONFIG |
0b39b9f9 | 12 | ZFS_AC_KERNEL_DECLARE_EVENT_CLASS |
37f9dac5 | 13 | ZFS_AC_KERNEL_CURRENT_BIO_TAIL |
938cfeb0 | 14 | ZFS_AC_KERNEL_SUPER_USER_NS |
bbb1b6ce | 15 | ZFS_AC_KERNEL_SUBMIT_BIO |
c9c0d073 | 16 | ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS |
a1d9543a | 17 | ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID |
c9c0d073 | 18 | ZFS_AC_KERNEL_TYPE_FMODE_T |
b5a28807 | 19 | ZFS_AC_KERNEL_3ARG_BLKDEV_GET |
45066d1f | 20 | ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH |
c9c0d073 | 21 | ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE |
2b7ab9d4 | 22 | ZFS_AC_KERNEL_LOOKUP_BDEV |
c9c0d073 BB |
23 | ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS |
24 | ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE | |
2404b014 | 25 | ZFS_AC_KERNEL_BDEV_PHYSICAL_BLOCK_SIZE |
d4541210 | 26 | ZFS_AC_KERNEL_BIO_BVEC_ITER |
f4af6bb7 | 27 | ZFS_AC_KERNEL_BIO_FAILFAST_DTD |
787acae0 | 28 | ZFS_AC_KERNEL_BIO_SET_DEV |
f4af6bb7 | 29 | ZFS_AC_KERNEL_REQ_FAILFAST_MASK |
cf41432c BB |
30 | ZFS_AC_KERNEL_REQ_OP_DISCARD |
31 | ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE | |
32 | ZFS_AC_KERNEL_REQ_OP_FLUSH | |
33 | ZFS_AC_KERNEL_BIO_BI_OPF | |
c9c0d073 | 34 | ZFS_AC_KERNEL_BIO_END_IO_T_ARGS |
36ba27e9 | 35 | ZFS_AC_KERNEL_BIO_BI_STATUS |
37f9dac5 RY |
36 | ZFS_AC_KERNEL_BIO_RW_BARRIER |
37 | ZFS_AC_KERNEL_BIO_RW_DISCARD | |
bc17f104 | 38 | ZFS_AC_KERNEL_BLK_QUEUE_BDI |
b18019d2 | 39 | ZFS_AC_KERNEL_BLK_QUEUE_FLUSH |
34037afe ED |
40 | ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS |
41 | ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS | |
e6603b7c | 42 | ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BIO_RW_UNPLUG |
e8ac4557 | 43 | ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BLK_PLUG |
dd3e1e30 | 44 | ZFS_AC_KERNEL_GET_DISK_AND_MODULE |
c9c0d073 | 45 | ZFS_AC_KERNEL_GET_DISK_RO |
b5a28807 | 46 | ZFS_AC_KERNEL_GET_GENDISK |
a5e046ea TC |
47 | ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS |
48 | ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL | |
ee5fd0bb | 49 | ZFS_AC_KERNEL_DISCARD_GRANULARITY |
777d4af8 | 50 | ZFS_AC_KERNEL_CONST_XATTR_HANDLER |
232604b5 | 51 | ZFS_AC_KERNEL_XATTR_HANDLER_NAME |
f9637c6c BB |
52 | ZFS_AC_KERNEL_XATTR_HANDLER_GET |
53 | ZFS_AC_KERNEL_XATTR_HANDLER_SET | |
023699cd MM |
54 | ZFS_AC_KERNEL_XATTR_HANDLER_LIST |
55 | ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE | |
56 | ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS | |
57 | ZFS_AC_KERNEL_POSIX_ACL_RELEASE | |
3779913b | 58 | ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE |
023699cd | 59 | ZFS_AC_KERNEL_POSIX_ACL_CHMOD |
023699cd | 60 | ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T |
4b908d32 | 61 | ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS |
023699cd MM |
62 | ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION |
63 | ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA | |
64 | ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL | |
65 | ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS | |
66 | ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL | |
0420c126 | 67 | ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL |
a3478c07 | 68 | ZFS_AC_KERNEL_INODE_OPERATIONS_GETATTR |
a5248129 | 69 | ZFS_AC_KERNEL_INODE_SET_FLAGS |
18f57327 | 70 | ZFS_AC_KERNEL_INODE_SET_IVERSION |
3779913b | 71 | ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE |
47621f3d | 72 | ZFS_AC_KERNEL_SHOW_OPTIONS |
534759fa | 73 | ZFS_AC_KERNEL_FILE_INODE |
d9c97ec0 | 74 | ZFS_AC_KERNEL_FILE_DENTRY |
adcd70bd | 75 | ZFS_AC_KERNEL_FSYNC |
2c395def | 76 | ZFS_AC_KERNEL_EVICT_INODE |
8780c539 | 77 | ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS |
ab26409d BB |
78 | ZFS_AC_KERNEL_NR_CACHED_OBJECTS |
79 | ZFS_AC_KERNEL_FREE_CACHED_OBJECTS | |
cb2d1901 | 80 | ZFS_AC_KERNEL_FALLOCATE |
7ca25051 | 81 | ZFS_AC_KERNEL_AIO_FSYNC |
95f5c63b | 82 | ZFS_AC_KERNEL_MKDIR_UMODE_T |
8f195a90 | 83 | ZFS_AC_KERNEL_LOOKUP_NAMEIDATA |
558ef6d0 | 84 | ZFS_AC_KERNEL_CREATE_NAMEIDATA |
beeed459 | 85 | ZFS_AC_KERNEL_GET_LINK |
bd29109f | 86 | ZFS_AC_KERNEL_PUT_LINK |
ace1eae8 | 87 | ZFS_AC_KERNEL_TMPFILE |
ea1fdf46 | 88 | ZFS_AC_KERNEL_TRUNCATE_RANGE |
ebe7e575 | 89 | ZFS_AC_KERNEL_AUTOMOUNT |
756c3e5a | 90 | ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE |
393b44c7 | 91 | ZFS_AC_KERNEL_COMMIT_METADATA |
739a1a82 | 92 | ZFS_AC_KERNEL_CLEAR_INODE |
3b0ba3ba | 93 | ZFS_AC_KERNEL_SETATTR_PREPARE |
bdf4328b | 94 | ZFS_AC_KERNEL_INSERT_INODE_LOCKED |
6a0936ba | 95 | ZFS_AC_KERNEL_D_MAKE_ROOT |
055656d4 | 96 | ZFS_AC_KERNEL_D_OBTAIN_ALIAS |
218b4e0a | 97 | ZFS_AC_KERNEL_D_PRUNE_ALIASES |
f1a05fa1 NB |
98 | ZFS_AC_KERNEL_D_SET_D_OP |
99 | ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA | |
100 | ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS | |
b3129792 | 101 | ZFS_AC_KERNEL_TRUNCATE_SETSIZE |
5c03efc3 | 102 | ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY |
166dd49d | 103 | ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY |
2cf7f52b | 104 | ZFS_AC_KERNEL_MOUNT_NODEV |
ab26409d | 105 | ZFS_AC_KERNEL_SHRINK |
90947b23 | 106 | ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID |
dba1d705 | 107 | ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD |
ee930353 | 108 | ZFS_AC_KERNEL_S_D_OP |
7dae2c81 | 109 | ZFS_AC_KERNEL_BDI |
28eb9213 | 110 | ZFS_AC_KERNEL_SET_NLINK |
6d1d976b | 111 | ZFS_AC_KERNEL_ELEVATOR_CHANGE |
3c203610 | 112 | ZFS_AC_KERNEL_5ARG_SGET |
802e7b5f | 113 | ZFS_AC_KERNEL_LSEEK_EXECUTE |
0f37d0c8 | 114 | ZFS_AC_KERNEL_VFS_ITERATE |
57ae8400 | 115 | ZFS_AC_KERNEL_VFS_RW_ITERATE |
933ec999 | 116 | ZFS_AC_KERNEL_GENERIC_WRITE_CHECKS |
17888ae3 | 117 | ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS |
278bee93 | 118 | ZFS_AC_KERNEL_FOLLOW_DOWN_ONE |
37f9dac5 | 119 | ZFS_AC_KERNEL_MAKE_REQUEST_FN |
787acae0 GDN |
120 | ZFS_AC_KERNEL_GENERIC_IO_ACCT_3ARG |
121 | ZFS_AC_KERNEL_GENERIC_IO_ACCT_4ARG | |
fc0c72b1 | 122 | ZFS_AC_KERNEL_FPU |
82a1b2d6 | 123 | ZFS_AC_KERNEL_KUID_HELPERS |
9cc1844a | 124 | ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST |
b8d9e264 | 125 | ZFS_AC_KERNEL_RENAME_WANTS_FLAGS |
0fedeedd | 126 | ZFS_AC_KERNEL_HAVE_GENERIC_SETXATTR |
2946a1a1 | 127 | ZFS_AC_KERNEL_CURRENT_TIME |
e9a77290 | 128 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE |
a5369b61 | 129 | ZFS_AC_KERNEL_ACL_HAS_REFCOUNT |
0e85048f | 130 | ZFS_AC_KERNEL_USERNS_CAPABILITIES |
c9c0d073 | 131 | |
8366cd6a | 132 | AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
fed90353 | 133 | KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ" |
8366cd6a | 134 | ]) |
6283f55e | 135 | |
fed90353 | 136 | AC_SUBST(KERNEL_MAKE) |
c9c0d073 BB |
137 | ]) |
138 | ||
139 | dnl # | |
140 | dnl # Detect name used for Module.symvers file in kernel | |
141 | dnl # | |
142 | AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ | |
143 | modpost=$LINUX/scripts/Makefile.modpost | |
144 | AC_MSG_CHECKING([kernel file name for module symbols]) | |
319a99a3 | 145 | AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [ |
8366cd6a | 146 | AS_IF([grep -q Modules.symvers $modpost], [ |
c9c0d073 | 147 | LINUX_SYMBOLS=Modules.symvers |
8366cd6a | 148 | ], [ |
c9c0d073 | 149 | LINUX_SYMBOLS=Module.symvers |
8366cd6a | 150 | ]) |
a60b1c0a | 151 | |
8366cd6a | 152 | AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ |
a60b1c0a BB |
153 | AC_MSG_ERROR([ |
154 | *** Please make sure the kernel devel package for your distribution | |
4e95cc99 | 155 | *** is installed. If you are building with a custom kernel, make sure the |
a60b1c0a BB |
156 | *** kernel is configured, built, and the '--with-linux=PATH' configure |
157 | *** option refers to the location of the kernel source.]) | |
8366cd6a PS |
158 | ]) |
159 | ], [ | |
c9c0d073 | 160 | LINUX_SYMBOLS=NONE |
8366cd6a | 161 | ]) |
c9c0d073 BB |
162 | AC_MSG_RESULT($LINUX_SYMBOLS) |
163 | AC_SUBST(LINUX_SYMBOLS) | |
164 | ]) | |
165 | ||
166 | dnl # | |
167 | dnl # Detect the kernel to be built against | |
168 | dnl # | |
169 | AC_DEFUN([ZFS_AC_KERNEL], [ | |
170 | AC_ARG_WITH([linux], | |
171 | AS_HELP_STRING([--with-linux=PATH], | |
172 | [Path to kernel source]), | |
173 | [kernelsrc="$withval"]) | |
174 | ||
175 | AC_ARG_WITH(linux-obj, | |
176 | AS_HELP_STRING([--with-linux-obj=PATH], | |
177 | [Path to kernel build objects]), | |
178 | [kernelbuild="$withval"]) | |
179 | ||
180 | AC_MSG_CHECKING([kernel source directory]) | |
8366cd6a PS |
181 | AS_IF([test -z "$kernelsrc"], [ |
182 | AS_IF([test -e "/lib/modules/$(uname -r)/source"], [ | |
1b94c25c BB |
183 | headersdir="/lib/modules/$(uname -r)/source" |
184 | sourcelink=$(readlink -f "$headersdir") | |
8366cd6a | 185 | ], [test -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 186 | headersdir="/lib/modules/$(uname -r)/build" |
c9c0d073 | 187 | sourcelink=$(readlink -f "$headersdir") |
8366cd6a | 188 | ], [ |
c9c0d073 | 189 | sourcelink=$(ls -1d /usr/src/kernels/* \ |
8366cd6a | 190 | /usr/src/linux-* \ |
c9c0d073 | 191 | 2>/dev/null | grep -v obj | tail -1) |
8366cd6a | 192 | ]) |
c9c0d073 | 193 | |
8366cd6a | 194 | AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [ |
c9c0d073 | 195 | kernelsrc=`readlink -f ${sourcelink}` |
8366cd6a | 196 | ], [ |
56a517ae | 197 | kernelsrc="[Not found]" |
8366cd6a PS |
198 | ]) |
199 | ], [ | |
200 | AS_IF([test "$kernelsrc" = "NONE"], [ | |
c9c0d073 | 201 | kernsrcver=NONE |
8366cd6a | 202 | ]) |
1d8da991 | 203 | withlinux=yes |
8366cd6a | 204 | ]) |
c9c0d073 BB |
205 | |
206 | AC_MSG_RESULT([$kernelsrc]) | |
56a517ae BB |
207 | AS_IF([test ! -d "$kernelsrc"], [ |
208 | AC_MSG_ERROR([ | |
209 | *** Please make sure the kernel devel package for your distribution | |
4e95cc99 | 210 | *** is installed and then try again. If that fails, you can specify the |
56a517ae BB |
211 | *** location of the kernel source with the '--with-linux=PATH' option.]) |
212 | ]) | |
213 | ||
c9c0d073 | 214 | AC_MSG_CHECKING([kernel build directory]) |
8366cd6a | 215 | AS_IF([test -z "$kernelbuild"], [ |
1d8da991 | 216 | AS_IF([test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 217 | kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` |
8366cd6a | 218 | ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [ |
c9c0d073 | 219 | kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} |
8366cd6a | 220 | ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [ |
70574182 | 221 | kernelbuild=${kernelsrc}-obj/${target_cpu}/default |
8366cd6a | 222 | ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [ |
c9c0d073 | 223 | kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} |
8366cd6a | 224 | ], [ |
c9c0d073 | 225 | kernelbuild=${kernelsrc} |
8366cd6a PS |
226 | ]) |
227 | ]) | |
c9c0d073 BB |
228 | AC_MSG_RESULT([$kernelbuild]) |
229 | ||
230 | AC_MSG_CHECKING([kernel source version]) | |
231 | utsrelease1=$kernelbuild/include/linux/version.h | |
232 | utsrelease2=$kernelbuild/include/linux/utsrelease.h | |
233 | utsrelease3=$kernelbuild/include/generated/utsrelease.h | |
8366cd6a | 234 | AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [ |
c9c0d073 | 235 | utsrelease=linux/version.h |
8366cd6a | 236 | ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [ |
c9c0d073 | 237 | utsrelease=linux/utsrelease.h |
8366cd6a | 238 | ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [ |
c9c0d073 | 239 | utsrelease=generated/utsrelease.h |
8366cd6a | 240 | ]) |
c9c0d073 | 241 | |
8366cd6a | 242 | AS_IF([test "$utsrelease"], [ |
c9c0d073 BB |
243 | kernsrcver=`(echo "#include <$utsrelease>"; |
244 | echo "kernsrcver=UTS_RELEASE") | | |
245 | cpp -I $kernelbuild/include | | |
246 | grep "^kernsrcver=" | cut -d \" -f 2` | |
247 | ||
8366cd6a | 248 | AS_IF([test -z "$kernsrcver"], [ |
c9c0d073 BB |
249 | AC_MSG_RESULT([Not found]) |
250 | AC_MSG_ERROR([*** Cannot determine kernel version.]) | |
8366cd6a PS |
251 | ]) |
252 | ], [ | |
c9c0d073 | 253 | AC_MSG_RESULT([Not found]) |
319a99a3 ED |
254 | if test "x$enable_linux_builtin" != xyes; then |
255 | AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.]) | |
256 | else | |
257 | AC_MSG_ERROR([ | |
258 | *** Cannot find UTS_RELEASE definition. | |
259 | *** Please run 'make prepare' inside the kernel source tree.]) | |
260 | fi | |
8366cd6a | 261 | ]) |
c9c0d073 BB |
262 | |
263 | AC_MSG_RESULT([$kernsrcver]) | |
264 | ||
265 | LINUX=${kernelsrc} | |
266 | LINUX_OBJ=${kernelbuild} | |
267 | LINUX_VERSION=${kernsrcver} | |
268 | ||
269 | AC_SUBST(LINUX) | |
270 | AC_SUBST(LINUX_OBJ) | |
271 | AC_SUBST(LINUX_VERSION) | |
272 | ||
273 | ZFS_AC_MODULE_SYMVERS | |
274 | ]) | |
275 | ||
c9c0d073 BB |
276 | |
277 | dnl # | |
278 | dnl # Detect the SPL module to be built against | |
279 | dnl # | |
280 | AC_DEFUN([ZFS_AC_SPL], [ | |
281 | AC_ARG_WITH([spl], | |
282 | AS_HELP_STRING([--with-spl=PATH], | |
283 | [Path to spl source]), | |
c7e7ec19 OF |
284 | AS_IF([test "$withval" = "yes"], |
285 | AC_MSG_ERROR([--with-spl=PATH requires a PATH]), | |
286 | [splsrc="$withval"])) | |
c9c0d073 BB |
287 | |
288 | AC_ARG_WITH([spl-obj], | |
289 | AS_HELP_STRING([--with-spl-obj=PATH], | |
290 | [Path to spl build objects]), | |
291 | [splbuild="$withval"]) | |
292 | ||
51654737 CALP |
293 | AC_ARG_WITH([spl-timeout], |
294 | AS_HELP_STRING([--with-spl-timeout=SECS], | |
295 | [Wait SECS for SPL header and symver file @<:@default=0@:>@]), | |
296 | [timeout="$withval"], [timeout=0]) | |
297 | ||
9b2af9a0 BB |
298 | dnl # |
299 | dnl # The existence of spl.release.in is used to identify a valid | |
300 | dnl # source directory. In order of preference: | |
301 | dnl # | |
302 | splsrc0="/var/lib/dkms/spl/${VERSION}/build" | |
d8d78267 RY |
303 | splsrc1="/usr/local/src/spl-${VERSION}/${LINUX_VERSION}" |
304 | splsrc2="/usr/local/src/spl-${VERSION}" | |
305 | splsrc3="/usr/src/spl-${VERSION}/${LINUX_VERSION}" | |
306 | splsrc4="/usr/src/spl-${VERSION}" | |
307 | splsrc5="../spl/" | |
308 | splsrc6="$LINUX" | |
c9c0d073 BB |
309 | |
310 | AC_MSG_CHECKING([spl source directory]) | |
9b2af9a0 | 311 | AS_IF([test -z "${splsrc}"], [ |
c7e7ec19 OF |
312 | [all_spl_sources=" |
313 | ${splsrc0} | |
314 | ${splsrc1} | |
315 | ${splsrc2} | |
316 | ${splsrc3} | |
317 | ${splsrc4} | |
318 | ${splsrc5} | |
319 | ${splsrc6}"], | |
9b2af9a0 BB |
320 | AS_IF([ test -e "${splsrc0}/spl.release.in"], [ |
321 | splsrc=${splsrc0} | |
322 | ], [ test -e "${splsrc1}/spl.release.in"], [ | |
323 | splsrc=${splsrc1} | |
324 | ], [ test -e "${splsrc2}/spl.release.in"], [ | |
325 | splsrc=${splsrc2} | |
326 | ], [ test -e "${splsrc3}/spl.release.in"], [ | |
327 | splsrc=$(readlink -f "${splsrc3}") | |
328 | ], [ test -e "${splsrc4}/spl.release.in" ], [ | |
329 | splsrc=${splsrc4} | |
d8d78267 RY |
330 | ], [ test -e "${splsrc5}/spl.release.in"], [ |
331 | splsrc=$(readlink -f "${splsrc5}") | |
332 | ], [ test -e "${splsrc6}/spl.release.in" ], [ | |
333 | splsrc=${splsrc6} | |
8366cd6a | 334 | ], [ |
9b2af9a0 | 335 | splsrc="[Not found]" |
8366cd6a PS |
336 | ]) |
337 | ], [ | |
c7e7ec19 | 338 | [all_spl_sources="$withval"], |
8366cd6a | 339 | AS_IF([test "$splsrc" = "NONE"], [ |
c9c0d073 BB |
340 | splbuild=NONE |
341 | splsrcver=NONE | |
8366cd6a PS |
342 | ]) |
343 | ]) | |
c9c0d073 BB |
344 | |
345 | AC_MSG_RESULT([$splsrc]) | |
9b2af9a0 BB |
346 | AS_IF([ test ! -e "$splsrc/spl.release.in"], [ |
347 | AC_MSG_ERROR([ | |
348 | *** Please make sure the kmod spl devel package for your distribution | |
349 | *** is installed then try again. If that fails you can specify the | |
c7e7ec19 OF |
350 | *** location of the spl source with the '--with-spl=PATH' option. |
351 | *** The spl version must match the version of ZFS you are building, | |
352 | *** ${VERSION}. Failed to find spl.release.in in the following: | |
353 | $all_spl_sources]) | |
9b2af9a0 BB |
354 | ]) |
355 | ||
356 | dnl # | |
357 | dnl # The existence of the spl_config.h is used to identify a valid | |
358 | dnl # spl object directory. In many cases the object and source | |
359 | dnl # directory are the same, however the objects may also reside | |
360 | dnl # is a subdirectory named after the kernel version. | |
361 | dnl # | |
51654737 CALP |
362 | dnl # This file is supposed to be available after DKMS finishes |
363 | dnl # building the SPL kernel module for the target kernel. The | |
364 | dnl # '--with-spl-timeout' option can be passed to pause here, | |
365 | dnl # waiting for the file to appear from a concurrently building | |
366 | dnl # SPL package. | |
367 | dnl # | |
c9c0d073 | 368 | AC_MSG_CHECKING([spl build directory]) |
c7e7ec19 OF |
369 | |
370 | all_spl_config_locs="${splsrc}/${LINUX_VERSION} | |
371 | ${splsrc}" | |
372 | ||
51654737 CALP |
373 | while true; do |
374 | AS_IF([test -z "$splbuild"], [ | |
375 | AS_IF([ test -e "${splsrc}/${LINUX_VERSION}/spl_config.h" ], [ | |
376 | splbuild="${splsrc}/${LINUX_VERSION}" | |
377 | ], [ test -e "${splsrc}/spl_config.h" ], [ | |
378 | splbuild="${splsrc}" | |
47a4a6fd TF |
379 | ], [ find -L "${splsrc}" -name spl_config.h 2> /dev/null | grep -wq spl_config.h ], [ |
380 | splbuild=$(find -L "${splsrc}" -name spl_config.h | sed 's,/spl_config.h,,') | |
51654737 CALP |
381 | ], [ |
382 | splbuild="[Not found]" | |
383 | ]) | |
384 | ]) | |
385 | AS_IF([test -e "$splbuild/spl_config.h" -o $timeout -le 0], [ | |
386 | break; | |
9b2af9a0 | 387 | ], [ |
51654737 CALP |
388 | sleep 1 |
389 | timeout=$((timeout-1)) | |
9b2af9a0 | 390 | ]) |
51654737 | 391 | done |
9b2af9a0 | 392 | |
c9c0d073 | 393 | AC_MSG_RESULT([$splbuild]) |
9b2af9a0 BB |
394 | AS_IF([ ! test -e "$splbuild/spl_config.h"], [ |
395 | AC_MSG_ERROR([ | |
396 | *** Please make sure the kmod spl devel <kernel> package for your | |
397 | *** distribution is installed then try again. If that fails you | |
398 | *** can specify the location of the spl objects with the | |
c7e7ec19 OF |
399 | *** '--with-spl-obj=PATH' option. Failed to find spl_config.h in |
400 | *** any of the following: | |
401 | $all_spl_config_locs]) | |
9b2af9a0 | 402 | ]) |
c9c0d073 BB |
403 | |
404 | AC_MSG_CHECKING([spl source version]) | |
8366cd6a PS |
405 | AS_IF([test -r $splbuild/spl_config.h && |
406 | fgrep -q SPL_META_VERSION $splbuild/spl_config.h], [ | |
c9c0d073 BB |
407 | |
408 | splsrcver=`(echo "#include <spl_config.h>"; | |
b40a77ae | 409 | echo "splsrcver=SPL_META_VERSION-SPL_META_RELEASE") | |
5e612145 | 410 | cpp -I $splbuild | |
b40a77ae | 411 | grep "^splsrcver=" | tr -d \" | cut -d= -f2` |
8366cd6a | 412 | ]) |
c9c0d073 | 413 | |
8366cd6a | 414 | AS_IF([test -z "$splsrcver"], [ |
c9c0d073 BB |
415 | AC_MSG_RESULT([Not found]) |
416 | AC_MSG_ERROR([ | |
2984e0bb PS |
417 | *** Cannot determine the version of the spl source. |
418 | *** Please prepare the spl source before running this script]) | |
8366cd6a | 419 | ]) |
c9c0d073 BB |
420 | |
421 | AC_MSG_RESULT([$splsrcver]) | |
422 | ||
423 | SPL=${splsrc} | |
424 | SPL_OBJ=${splbuild} | |
425 | SPL_VERSION=${splsrcver} | |
426 | ||
427 | AC_SUBST(SPL) | |
428 | AC_SUBST(SPL_OBJ) | |
429 | AC_SUBST(SPL_VERSION) | |
430 | ||
51654737 CALP |
431 | dnl # |
432 | dnl # Detect the name used for the SPL Module.symvers file. If one | |
433 | dnl # does not exist this is likely because the SPL has been configured | |
434 | dnl # but not built. The '--with-spl-timeout' option can be passed | |
435 | dnl # to pause here, waiting for the file to appear from a concurrently | |
436 | dnl # building SPL package. If the file does not appear in time, a good | |
437 | dnl # guess is made as to what this file will be named based on what it | |
438 | dnl # is named in the kernel build products. This file will first be | |
439 | dnl # used at link time so if the guess is wrong the build will fail | |
440 | dnl # then. This unfortunately means the ZFS package does not contain a | |
441 | dnl # reliable mechanism to detect symbols exported by the SPL at | |
442 | dnl # configure time. | |
443 | dnl # | |
444 | AC_MSG_CHECKING([spl file name for module symbols]) | |
445 | SPL_SYMBOLS=NONE | |
446 | ||
447 | while true; do | |
448 | AS_IF([test -r $SPL_OBJ/Module.symvers], [ | |
449 | SPL_SYMBOLS=Module.symvers | |
450 | ], [test -r $SPL_OBJ/Modules.symvers], [ | |
451 | SPL_SYMBOLS=Modules.symvers | |
452 | ], [test -r $SPL_OBJ/module/Module.symvers], [ | |
453 | SPL_SYMBOLS=Module.symvers | |
454 | ], [test -r $SPL_OBJ/module/Modules.symvers], [ | |
455 | SPL_SYMBOLS=Modules.symvers | |
456 | ]) | |
457 | ||
458 | AS_IF([test $SPL_SYMBOLS != NONE -o $timeout -le 0], [ | |
459 | break; | |
460 | ], [ | |
461 | sleep 1 | |
462 | timeout=$((timeout-1)) | |
463 | ]) | |
464 | done | |
465 | ||
466 | AS_IF([test "$SPL_SYMBOLS" = NONE], [ | |
467 | SPL_SYMBOLS=$LINUX_SYMBOLS | |
468 | ]) | |
469 | ||
470 | AC_MSG_RESULT([$SPL_SYMBOLS]) | |
471 | AC_SUBST(SPL_SYMBOLS) | |
c9c0d073 BB |
472 | ]) |
473 | ||
6a9d6359 | 474 | dnl # |
475 | dnl # Detect the QAT module to be built against | |
476 | dnl # QAT provides hardware acceleration for data compression: | |
477 | dnl # https://01.org/intel-quickassist-technology | |
478 | dnl # * Download and install QAT driver from the above link | |
479 | dnl # * Start QAT driver in your system: | |
480 | dnl # service qat_service start | |
481 | dnl # * Enable QAT in ZFS, e.g.: | |
482 | dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6 | |
483 | dnl # make | |
484 | dnl # * Set GZIP compression in ZFS dataset: | |
485 | dnl # zfs set compression = gzip <dataset> | |
486 | dnl # Then the data written to this ZFS pool is compressed | |
487 | dnl # by QAT accelerator automatically, and de-compressed by | |
488 | dnl # QAT when read from the pool. | |
489 | dnl # * Get QAT hardware statistics by: | |
490 | dnl # cat /proc/icp_dh895xcc_dev/qat | |
491 | dnl # * To disable QAT: | |
492 | dnl # insmod zfs.ko zfs_qat_disable=1 | |
493 | dnl # | |
494 | AC_DEFUN([ZFS_AC_QAT], [ | |
495 | AC_ARG_WITH([qat], | |
496 | AS_HELP_STRING([--with-qat=PATH], | |
497 | [Path to qat source]), | |
498 | AS_IF([test "$withval" = "yes"], | |
499 | AC_MSG_ERROR([--with-qat=PATH requires a PATH]), | |
500 | [qatsrc="$withval"])) | |
501 | ||
502 | AC_ARG_WITH([qat-obj], | |
503 | AS_HELP_STRING([--with-qat-obj=PATH], | |
504 | [Path to qat build objects]), | |
505 | [qatbuild="$withval"]) | |
506 | ||
507 | AS_IF([test ! -z "${qatsrc}"], [ | |
508 | AC_MSG_CHECKING([qat source directory]) | |
509 | AC_MSG_RESULT([$qatsrc]) | |
510 | QAT_SRC="${qatsrc}/quickassist" | |
511 | AS_IF([ test ! -e "$QAT_SRC/include/cpa.h"], [ | |
512 | AC_MSG_ERROR([ | |
513 | *** Please make sure the qat driver package is installed | |
514 | *** and specify the location of the qat source with the | |
515 | *** '--with-qat=PATH' option then try again. Failed to | |
516 | *** find cpa.h in: | |
517 | ${QAT_SRC}/include]) | |
518 | ]) | |
519 | ]) | |
520 | ||
521 | AS_IF([test ! -z "${qatsrc}"], [ | |
522 | AC_MSG_CHECKING([qat build directory]) | |
523 | AS_IF([test -z "$qatbuild"], [ | |
524 | qatbuild="${qatsrc}/build" | |
525 | ]) | |
526 | ||
527 | AC_MSG_RESULT([$qatbuild]) | |
528 | QAT_OBJ=${qatbuild} | |
1cfdb0e6 | 529 | AS_IF([ ! test -e "$QAT_OBJ/icp_qa_al.ko" && ! test -e "$QAT_OBJ/qat_api.ko"], [ |
6a9d6359 | 530 | AC_MSG_ERROR([ |
531 | *** Please make sure the qat driver is installed then try again. | |
1cfdb0e6 | 532 | *** Failed to find icp_qa_al.ko or qat_api.ko in: |
6a9d6359 | 533 | $QAT_OBJ]) |
534 | ]) | |
535 | ||
536 | AC_SUBST(QAT_SRC) | |
537 | AC_SUBST(QAT_OBJ) | |
538 | ||
539 | AC_DEFINE(HAVE_QAT, 1, | |
540 | [qat is enabled and existed]) | |
541 | ]) | |
542 | ||
543 | dnl # | |
544 | dnl # Detect the name used for the QAT Module.symvers file. | |
545 | dnl # | |
546 | AS_IF([test ! -z "${qatsrc}"], [ | |
547 | AC_MSG_CHECKING([qat file for module symbols]) | |
548 | QAT_SYMBOLS=$QAT_SRC/lookaside/access_layer/src/Module.symvers | |
549 | ||
550 | AS_IF([test -r $QAT_SYMBOLS], [ | |
551 | AC_MSG_RESULT([$QAT_SYMBOLS]) | |
552 | AC_SUBST(QAT_SYMBOLS) | |
553 | ],[ | |
554 | AC_MSG_ERROR([ | |
555 | *** Please make sure the qat driver is installed then try again. | |
556 | *** Failed to find Module.symvers in: | |
557 | $QAT_SYMBOLS]) | |
558 | ]) | |
559 | ]) | |
560 | ]) | |
561 | ]) | |
562 | ||
319a99a3 ED |
563 | dnl # |
564 | dnl # Basic toolchain sanity check. | |
565 | dnl # | |
e33045ee BB |
566 | AC_DEFUN([ZFS_AC_TEST_MODULE], [ |
567 | AC_MSG_CHECKING([whether modules can be built]) | |
319a99a3 ED |
568 | ZFS_LINUX_TRY_COMPILE([],[],[ |
569 | AC_MSG_RESULT([yes]) | |
570 | ],[ | |
571 | AC_MSG_RESULT([no]) | |
572 | if test "x$enable_linux_builtin" != xyes; then | |
573 | AC_MSG_ERROR([*** Unable to build an empty module.]) | |
574 | else | |
575 | AC_MSG_ERROR([ | |
576 | *** Unable to build an empty module. | |
577 | *** Please run 'make scripts' inside the kernel source tree.]) | |
578 | fi | |
579 | ]) | |
580 | ]) | |
581 | ||
15805c77 BB |
582 | dnl # |
583 | dnl # Certain kernel build options are not supported. These must be | |
584 | dnl # detected at configure time and cause a build failure. Otherwise | |
585 | dnl # modules may be successfully built that behave incorrectly. | |
586 | dnl # | |
e5b85622 | 587 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG], [ |
76d5bf19 KD |
588 | AS_IF([test "x$cross_compiling" != xyes], [ |
589 | AC_RUN_IFELSE([ | |
590 | AC_LANG_PROGRAM([ | |
591 | #include "$LINUX/include/linux/license.h" | |
592 | ], [ | |
593 | return !license_is_gpl_compatible("$ZFS_META_LICENSE"); | |
594 | ]) | |
595 | ], [ | |
596 | AC_DEFINE([ZFS_IS_GPL_COMPATIBLE], [1], | |
597 | [Define to 1 if GPL-only symbols can be used]) | |
e33045ee | 598 | ], [ |
e33045ee | 599 | ]) |
e5b85622 BB |
600 | ]) |
601 | ||
b58986ee | 602 | ZFS_AC_KERNEL_CONFIG_THREAD_SIZE |
e5b85622 BB |
603 | ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC |
604 | ]) | |
605 | ||
b58986ee BB |
606 | dnl # |
607 | dnl # Check configured THREAD_SIZE | |
608 | dnl # | |
609 | dnl # The stack size will vary by architecture, but as of Linux 3.15 on x86_64 | |
610 | dnl # the default thread stack size was increased to 16K from 8K. Therefore, | |
611 | dnl # on newer kernels and some architectures stack usage optimizations can be | |
612 | dnl # conditionally applied to improve performance without negatively impacting | |
613 | dnl # stability. | |
614 | dnl # | |
615 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG_THREAD_SIZE], [ | |
616 | AC_MSG_CHECKING([whether kernel was built with 16K or larger stacks]) | |
617 | ZFS_LINUX_TRY_COMPILE([ | |
618 | #include <linux/module.h> | |
619 | ],[ | |
620 | #if (THREAD_SIZE < 16384) | |
621 | #error "THREAD_SIZE is less than 16K" | |
622 | #endif | |
623 | ],[ | |
624 | AC_MSG_RESULT([yes]) | |
625 | AC_DEFINE(HAVE_LARGE_STACKS, 1, [kernel has large stacks]) | |
626 | ],[ | |
627 | AC_MSG_RESULT([no]) | |
628 | ]) | |
629 | ]) | |
630 | ||
e5b85622 BB |
631 | dnl # |
632 | dnl # Check CONFIG_DEBUG_LOCK_ALLOC | |
633 | dnl # | |
634 | dnl # This is typically only set for debug kernels because it comes with | |
635 | dnl # a performance penalty. However, when it is set it maps the non-GPL | |
636 | dnl # symbol mutex_lock() to the GPL-only mutex_lock_nested() symbol. | |
637 | dnl # This will cause a failure at link time which we'd rather know about | |
638 | dnl # at compile time. | |
639 | dnl # | |
640 | dnl # Since we plan to pursue making mutex_lock_nested() a non-GPL symbol | |
641 | dnl # with the upstream community we add a check to detect this case. | |
642 | dnl # | |
643 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC], [ | |
644 | ||
645 | ZFS_LINUX_CONFIG([DEBUG_LOCK_ALLOC], [ | |
646 | AC_MSG_CHECKING([whether mutex_lock() is GPL-only]) | |
647 | tmp_flags="$EXTRA_KCFLAGS" | |
648 | ZFS_LINUX_TRY_COMPILE([ | |
649 | #include <linux/module.h> | |
650 | #include <linux/mutex.h> | |
651 | ||
652 | MODULE_LICENSE("$ZFS_META_LICENSE"); | |
653 | ],[ | |
654 | struct mutex lock; | |
655 | ||
656 | mutex_init(&lock); | |
657 | mutex_lock(&lock); | |
658 | mutex_unlock(&lock); | |
659 | ],[ | |
660 | AC_MSG_RESULT(no) | |
661 | ],[ | |
662 | AC_MSG_RESULT(yes) | |
663 | AC_MSG_ERROR([ | |
664 | *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is incompatible | |
cac1f230 NB |
665 | *** with the CDDL license and will prevent the module linking stage |
666 | *** from succeeding. You must rebuild your kernel without this | |
667 | *** option enabled.]) | |
e5b85622 BB |
668 | ]) |
669 | EXTRA_KCFLAGS="$tmp_flags" | |
670 | ], []) | |
c9c0d073 BB |
671 | ]) |
672 | ||
673 | dnl # | |
0b39b9f9 | 674 | dnl # ZFS_LINUX_CONFTEST_H |
c9c0d073 | 675 | dnl # |
0b39b9f9 PS |
676 | AC_DEFUN([ZFS_LINUX_CONFTEST_H], [ |
677 | cat - <<_ACEOF >conftest.h | |
678 | $1 | |
679 | _ACEOF | |
680 | ]) | |
681 | ||
682 | dnl # | |
683 | dnl # ZFS_LINUX_CONFTEST_C | |
684 | dnl # | |
685 | AC_DEFUN([ZFS_LINUX_CONFTEST_C], [ | |
c9c0d073 BB |
686 | cat confdefs.h - <<_ACEOF >conftest.c |
687 | $1 | |
688 | _ACEOF | |
689 | ]) | |
690 | ||
691 | dnl # | |
692 | dnl # ZFS_LANG_PROGRAM(C)([PROLOGUE], [BODY]) | |
693 | dnl # | |
694 | m4_define([ZFS_LANG_PROGRAM], [ | |
695 | $1 | |
696 | int | |
697 | main (void) | |
698 | { | |
699 | dnl Do *not* indent the following line: there may be CPP directives. | |
700 | dnl Don't move the `;' right after for the same reason. | |
701 | $2 | |
702 | ; | |
703 | return 0; | |
704 | } | |
705 | ]) | |
706 | ||
707 | dnl # | |
708 | dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE | |
709 | dnl # | |
710 | AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ | |
0b39b9f9 PS |
711 | m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1])]) |
712 | m4_ifvaln([$6], [ZFS_LINUX_CONFTEST_H([$6])], [ZFS_LINUX_CONFTEST_H([])]) | |
fc88a6dd | 713 | rm -Rf build && mkdir -p build && touch build/conftest.mod.c |
c9c0d073 | 714 | echo "obj-m := conftest.o" >build/Makefile |
fc88a6dd ED |
715 | modpost_flag='' |
716 | test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage | |
c9c0d073 | 717 | AS_IF( |
e921f650 | 718 | [AC_TRY_COMMAND(cp conftest.c conftest.h build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror $FRAME_LARGER_THAN $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build $modpost_flag) >/dev/null && AC_TRY_COMMAND([$3])], |
c9c0d073 BB |
719 | [$4], |
720 | [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])] | |
721 | ) | |
722 | rm -Rf build | |
723 | ]) | |
724 | ||
725 | dnl # | |
726 | dnl # ZFS_LINUX_TRY_COMPILE like AC_TRY_COMPILE | |
727 | dnl # | |
728 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE], | |
729 | [ZFS_LINUX_COMPILE_IFELSE( | |
730 | [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], | |
731 | [modules], | |
732 | [test -s build/conftest.o], | |
733 | [$3], [$4]) | |
734 | ]) | |
735 | ||
736 | dnl # | |
737 | dnl # ZFS_LINUX_CONFIG | |
738 | dnl # | |
739 | AC_DEFUN([ZFS_LINUX_CONFIG], | |
b58986ee | 740 | [AC_MSG_CHECKING([whether kernel was built with CONFIG_$1]) |
c9c0d073 | 741 | ZFS_LINUX_TRY_COMPILE([ |
0da78696 | 742 | #include <linux/module.h> |
c9c0d073 BB |
743 | ],[ |
744 | #ifndef CONFIG_$1 | |
745 | #error CONFIG_$1 not #defined | |
746 | #endif | |
747 | ],[ | |
748 | AC_MSG_RESULT([yes]) | |
749 | $2 | |
750 | ],[ | |
751 | AC_MSG_RESULT([no]) | |
752 | $3 | |
753 | ]) | |
754 | ]) | |
755 | ||
756 | dnl # | |
757 | dnl # ZFS_CHECK_SYMBOL_EXPORT | |
758 | dnl # check symbol exported or not | |
759 | dnl # | |
70574182 | 760 | AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [ |
c9c0d073 BB |
761 | grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ |
762 | $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null | |
763 | rc=$? | |
70574182 | 764 | if test $rc -ne 0; then |
c9c0d073 BB |
765 | export=0 |
766 | for file in $2; do | |
70574182 ED |
767 | grep -q -E "EXPORT_SYMBOL.*($1)" \ |
768 | "$LINUX/$file" 2>/dev/null | |
c9c0d073 | 769 | rc=$? |
70574182 | 770 | if test $rc -eq 0; then |
8366cd6a PS |
771 | export=1 |
772 | break; | |
70574182 | 773 | fi |
c9c0d073 | 774 | done |
70574182 | 775 | if test $export -eq 0; then : |
c9c0d073 | 776 | $4 |
70574182 | 777 | else : |
c9c0d073 | 778 | $3 |
70574182 ED |
779 | fi |
780 | else : | |
c9c0d073 | 781 | $3 |
70574182 ED |
782 | fi |
783 | ]) | |
784 | ||
785 | dnl # | |
786 | dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL | |
787 | dnl # like ZFS_LINUX_TRY_COMPILE, except ZFS_CHECK_SYMBOL_EXPORT | |
788 | dnl # is called if not compiling for builtin | |
789 | dnl # | |
790 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [ | |
791 | ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1]) | |
792 | if test $rc -ne 0; then : | |
793 | $6 | |
794 | else | |
795 | if test "x$enable_linux_builtin" != xyes; then | |
796 | ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1]) | |
797 | fi | |
798 | if test $rc -ne 0; then : | |
799 | $6 | |
800 | else : | |
801 | $5 | |
802 | fi | |
803 | fi | |
c9c0d073 | 804 | ]) |
0b39b9f9 PS |
805 | |
806 | dnl # | |
807 | dnl # ZFS_LINUX_TRY_COMPILE_HEADER | |
808 | dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are | |
809 | dnl # provided via the fifth parameter | |
810 | dnl # | |
811 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], | |
812 | [ZFS_LINUX_COMPILE_IFELSE( | |
813 | [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], | |
814 | [modules], | |
815 | [test -s build/conftest.o], | |
4e30e68c | 816 | [$3], [$4], [$5]) |
0b39b9f9 | 817 | ]) |