]>
Commit | Line | Data |
---|---|---|
c9c0d073 | 1 | dnl # |
cae5b340 | 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 | |
cae5b340 | 7 | ZFS_AC_QAT |
319a99a3 | 8 | ZFS_AC_TEST_MODULE |
cae5b340 | 9 | ZFS_AC_KERNEL_OBJTOOL |
c9c0d073 | 10 | ZFS_AC_KERNEL_CONFIG |
ea04106b | 11 | ZFS_AC_KERNEL_DECLARE_EVENT_CLASS |
e10b0808 | 12 | ZFS_AC_KERNEL_CURRENT_BIO_TAIL |
cae5b340 | 13 | ZFS_AC_KERNEL_SUPER_USER_NS |
87dac73d | 14 | ZFS_AC_KERNEL_SUBMIT_BIO |
c9c0d073 | 15 | ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS |
c06d4368 | 16 | ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID |
c9c0d073 | 17 | ZFS_AC_KERNEL_TYPE_FMODE_T |
b5a28807 | 18 | ZFS_AC_KERNEL_3ARG_BLKDEV_GET |
45066d1f | 19 | ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH |
c9c0d073 | 20 | ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE |
2b7ab9d4 | 21 | ZFS_AC_KERNEL_LOOKUP_BDEV |
c9c0d073 BB |
22 | ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS |
23 | ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE | |
2404b014 | 24 | ZFS_AC_KERNEL_BDEV_PHYSICAL_BLOCK_SIZE |
ea04106b | 25 | ZFS_AC_KERNEL_BIO_BVEC_ITER |
f4af6bb7 | 26 | ZFS_AC_KERNEL_BIO_FAILFAST_DTD |
cae5b340 | 27 | ZFS_AC_KERNEL_BIO_SET_DEV |
f4af6bb7 | 28 | ZFS_AC_KERNEL_REQ_FAILFAST_MASK |
87dac73d AX |
29 | ZFS_AC_KERNEL_REQ_OP_DISCARD |
30 | ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE | |
31 | ZFS_AC_KERNEL_REQ_OP_FLUSH | |
32 | ZFS_AC_KERNEL_BIO_BI_OPF | |
c9c0d073 | 33 | ZFS_AC_KERNEL_BIO_END_IO_T_ARGS |
cae5b340 | 34 | ZFS_AC_KERNEL_BIO_BI_STATUS |
e10b0808 AX |
35 | ZFS_AC_KERNEL_BIO_RW_BARRIER |
36 | ZFS_AC_KERNEL_BIO_RW_DISCARD | |
cae5b340 | 37 | ZFS_AC_KERNEL_BLK_QUEUE_BDI |
42f7b73b AX |
38 | ZFS_AC_KERNEL_BLK_QUEUE_FLAG_CLEAR |
39 | ZFS_AC_KERNEL_BLK_QUEUE_FLAG_SET | |
b18019d2 | 40 | ZFS_AC_KERNEL_BLK_QUEUE_FLUSH |
34037afe ED |
41 | ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS |
42 | ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS | |
68d83c55 AX |
43 | ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BIO_RW_UNPLUG |
44 | ZFS_AC_KERNEL_BLK_QUEUE_HAVE_BLK_PLUG | |
42f7b73b | 45 | ZFS_AC_KERNEL_GET_DISK_AND_MODULE |
c9c0d073 | 46 | ZFS_AC_KERNEL_GET_DISK_RO |
b5a28807 | 47 | ZFS_AC_KERNEL_GET_GENDISK |
68d83c55 AX |
48 | ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS |
49 | ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL | |
ee5fd0bb | 50 | ZFS_AC_KERNEL_DISCARD_GRANULARITY |
777d4af8 | 51 | ZFS_AC_KERNEL_CONST_XATTR_HANDLER |
5eacc075 | 52 | ZFS_AC_KERNEL_XATTR_HANDLER_NAME |
f9637c6c BB |
53 | ZFS_AC_KERNEL_XATTR_HANDLER_GET |
54 | ZFS_AC_KERNEL_XATTR_HANDLER_SET | |
a08ee875 LG |
55 | ZFS_AC_KERNEL_XATTR_HANDLER_LIST |
56 | ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE | |
57 | ZFS_AC_KERNEL_POSIX_ACL_FROM_XATTR_USERNS | |
58 | ZFS_AC_KERNEL_POSIX_ACL_RELEASE | |
68d83c55 | 59 | ZFS_AC_KERNEL_SET_CACHED_ACL_USABLE |
a08ee875 | 60 | ZFS_AC_KERNEL_POSIX_ACL_CHMOD |
a08ee875 | 61 | ZFS_AC_KERNEL_POSIX_ACL_EQUIV_MODE_WANTS_UMODE_T |
87dac73d | 62 | ZFS_AC_KERNEL_POSIX_ACL_VALID_WITH_NS |
a08ee875 LG |
63 | ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION |
64 | ZFS_AC_KERNEL_INODE_OPERATIONS_PERMISSION_WITH_NAMEIDATA | |
65 | ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL | |
66 | ZFS_AC_KERNEL_INODE_OPERATIONS_CHECK_ACL_WITH_FLAGS | |
67 | ZFS_AC_KERNEL_INODE_OPERATIONS_GET_ACL | |
68d83c55 | 68 | ZFS_AC_KERNEL_INODE_OPERATIONS_SET_ACL |
22929307 | 69 | ZFS_AC_KERNEL_INODE_OPERATIONS_GETATTR |
cae5b340 | 70 | ZFS_AC_KERNEL_INODE_SET_FLAGS |
42f7b73b | 71 | ZFS_AC_KERNEL_INODE_SET_IVERSION |
68d83c55 | 72 | ZFS_AC_KERNEL_GET_ACL_HANDLE_CACHE |
47621f3d | 73 | ZFS_AC_KERNEL_SHOW_OPTIONS |
ea04106b | 74 | ZFS_AC_KERNEL_FILE_INODE |
cae5b340 | 75 | ZFS_AC_KERNEL_FILE_DENTRY |
adcd70bd | 76 | ZFS_AC_KERNEL_FSYNC |
2c395def | 77 | ZFS_AC_KERNEL_EVICT_INODE |
8780c539 | 78 | ZFS_AC_KERNEL_DIRTY_INODE_WITH_FLAGS |
ab26409d BB |
79 | ZFS_AC_KERNEL_NR_CACHED_OBJECTS |
80 | ZFS_AC_KERNEL_FREE_CACHED_OBJECTS | |
cb2d1901 | 81 | ZFS_AC_KERNEL_FALLOCATE |
68d83c55 | 82 | ZFS_AC_KERNEL_AIO_FSYNC |
95f5c63b | 83 | ZFS_AC_KERNEL_MKDIR_UMODE_T |
8f195a90 | 84 | ZFS_AC_KERNEL_LOOKUP_NAMEIDATA |
558ef6d0 | 85 | ZFS_AC_KERNEL_CREATE_NAMEIDATA |
4d815aed | 86 | ZFS_AC_KERNEL_GET_LINK |
e10b0808 | 87 | ZFS_AC_KERNEL_PUT_LINK |
cae5b340 | 88 | ZFS_AC_KERNEL_TMPFILE |
ea1fdf46 | 89 | ZFS_AC_KERNEL_TRUNCATE_RANGE |
ebe7e575 | 90 | ZFS_AC_KERNEL_AUTOMOUNT |
756c3e5a | 91 | ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE |
393b44c7 | 92 | ZFS_AC_KERNEL_COMMIT_METADATA |
739a1a82 | 93 | ZFS_AC_KERNEL_CLEAR_INODE |
68d83c55 | 94 | ZFS_AC_KERNEL_SETATTR_PREPARE |
bdf4328b | 95 | ZFS_AC_KERNEL_INSERT_INODE_LOCKED |
6a0936ba | 96 | ZFS_AC_KERNEL_D_MAKE_ROOT |
055656d4 | 97 | ZFS_AC_KERNEL_D_OBTAIN_ALIAS |
ea04106b | 98 | ZFS_AC_KERNEL_D_PRUNE_ALIASES |
f1a05fa1 NB |
99 | ZFS_AC_KERNEL_D_SET_D_OP |
100 | ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA | |
101 | ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS | |
b3129792 | 102 | ZFS_AC_KERNEL_TRUNCATE_SETSIZE |
5c03efc3 | 103 | ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY |
166dd49d | 104 | ZFS_AC_KERNEL_CALLBACK_SECURITY_INODE_INIT_SECURITY |
42f7b73b | 105 | ZFS_AC_KERNEL_FST_MOUNT |
ab26409d | 106 | ZFS_AC_KERNEL_SHRINK |
ea04106b | 107 | ZFS_AC_KERNEL_SHRINK_CONTROL_HAS_NID |
c06d4368 | 108 | ZFS_AC_KERNEL_S_INSTANCES_LIST_HEAD |
ee930353 | 109 | ZFS_AC_KERNEL_S_D_OP |
22929307 | 110 | ZFS_AC_KERNEL_BDI |
28eb9213 | 111 | ZFS_AC_KERNEL_SET_NLINK |
6d1d976b | 112 | ZFS_AC_KERNEL_ELEVATOR_CHANGE |
3c203610 | 113 | ZFS_AC_KERNEL_5ARG_SGET |
c06d4368 AX |
114 | ZFS_AC_KERNEL_LSEEK_EXECUTE |
115 | ZFS_AC_KERNEL_VFS_ITERATE | |
ea04106b | 116 | ZFS_AC_KERNEL_VFS_RW_ITERATE |
68d83c55 | 117 | ZFS_AC_KERNEL_GENERIC_WRITE_CHECKS |
e10b0808 AX |
118 | ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS |
119 | ZFS_AC_KERNEL_FOLLOW_DOWN_ONE | |
120 | ZFS_AC_KERNEL_MAKE_REQUEST_FN | |
cae5b340 AX |
121 | ZFS_AC_KERNEL_GENERIC_IO_ACCT_3ARG |
122 | ZFS_AC_KERNEL_GENERIC_IO_ACCT_4ARG | |
123 | ZFS_AC_KERNEL_FPU | |
124 | ZFS_AC_KERNEL_KUID_HELPERS | |
125 | ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST | |
68d83c55 AX |
126 | ZFS_AC_KERNEL_RENAME_WANTS_FLAGS |
127 | ZFS_AC_KERNEL_HAVE_GENERIC_SETXATTR | |
22929307 | 128 | ZFS_AC_KERNEL_CURRENT_TIME |
42f7b73b AX |
129 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE |
130 | ZFS_AC_KERNEL_ACL_HAS_REFCOUNT | |
131 | ZFS_AC_KERNEL_USERNS_CAPABILITIES | |
c9c0d073 | 132 | |
8366cd6a | 133 | AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
6283f55e | 134 | KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" |
8366cd6a | 135 | ]) |
6283f55e BB |
136 | AC_SUBST(KERNELMAKE_PARAMS) |
137 | ||
138 | ||
c9c0d073 BB |
139 | dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other |
140 | dnl # compiler options are added by the kernel build system. | |
cae5b340 AX |
141 | KERNELCPPFLAGS="$KERNELCPPFLAGS -std=gnu99" |
142 | KERNELCPPFLAGS="$KERNELCPPFLAGS -Wno-declaration-after-statement" | |
8a7e1cee | 143 | KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE" |
e10b0808 | 144 | KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_BOOL_COMPARE" |
c9c0d073 BB |
145 | KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL" |
146 | KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\"" | |
c9c0d073 | 147 | |
c9c0d073 BB |
148 | AC_SUBST(KERNELCPPFLAGS) |
149 | ]) | |
150 | ||
151 | dnl # | |
152 | dnl # Detect name used for Module.symvers file in kernel | |
153 | dnl # | |
154 | AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ | |
155 | modpost=$LINUX/scripts/Makefile.modpost | |
156 | AC_MSG_CHECKING([kernel file name for module symbols]) | |
319a99a3 | 157 | AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [ |
8366cd6a | 158 | AS_IF([grep -q Modules.symvers $modpost], [ |
c9c0d073 | 159 | LINUX_SYMBOLS=Modules.symvers |
8366cd6a | 160 | ], [ |
c9c0d073 | 161 | LINUX_SYMBOLS=Module.symvers |
8366cd6a | 162 | ]) |
a60b1c0a | 163 | |
8366cd6a | 164 | AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ |
a60b1c0a BB |
165 | AC_MSG_ERROR([ |
166 | *** Please make sure the kernel devel package for your distribution | |
c06d4368 | 167 | *** is installed. If you are building with a custom kernel, make sure the |
a60b1c0a BB |
168 | *** kernel is configured, built, and the '--with-linux=PATH' configure |
169 | *** option refers to the location of the kernel source.]) | |
8366cd6a PS |
170 | ]) |
171 | ], [ | |
c9c0d073 | 172 | LINUX_SYMBOLS=NONE |
8366cd6a | 173 | ]) |
c9c0d073 BB |
174 | AC_MSG_RESULT($LINUX_SYMBOLS) |
175 | AC_SUBST(LINUX_SYMBOLS) | |
176 | ]) | |
177 | ||
178 | dnl # | |
179 | dnl # Detect the kernel to be built against | |
180 | dnl # | |
181 | AC_DEFUN([ZFS_AC_KERNEL], [ | |
182 | AC_ARG_WITH([linux], | |
183 | AS_HELP_STRING([--with-linux=PATH], | |
184 | [Path to kernel source]), | |
185 | [kernelsrc="$withval"]) | |
186 | ||
187 | AC_ARG_WITH(linux-obj, | |
188 | AS_HELP_STRING([--with-linux-obj=PATH], | |
189 | [Path to kernel build objects]), | |
190 | [kernelbuild="$withval"]) | |
191 | ||
192 | AC_MSG_CHECKING([kernel source directory]) | |
8366cd6a PS |
193 | AS_IF([test -z "$kernelsrc"], [ |
194 | AS_IF([test -e "/lib/modules/$(uname -r)/source"], [ | |
1b94c25c BB |
195 | headersdir="/lib/modules/$(uname -r)/source" |
196 | sourcelink=$(readlink -f "$headersdir") | |
8366cd6a | 197 | ], [test -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 198 | headersdir="/lib/modules/$(uname -r)/build" |
c9c0d073 | 199 | sourcelink=$(readlink -f "$headersdir") |
8366cd6a | 200 | ], [ |
c9c0d073 | 201 | sourcelink=$(ls -1d /usr/src/kernels/* \ |
8366cd6a | 202 | /usr/src/linux-* \ |
c9c0d073 | 203 | 2>/dev/null | grep -v obj | tail -1) |
8366cd6a | 204 | ]) |
c9c0d073 | 205 | |
8366cd6a | 206 | AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [ |
c9c0d073 | 207 | kernelsrc=`readlink -f ${sourcelink}` |
8366cd6a | 208 | ], [ |
56a517ae | 209 | kernelsrc="[Not found]" |
8366cd6a PS |
210 | ]) |
211 | ], [ | |
212 | AS_IF([test "$kernelsrc" = "NONE"], [ | |
c9c0d073 | 213 | kernsrcver=NONE |
8366cd6a | 214 | ]) |
cae5b340 | 215 | withlinux=yes |
8366cd6a | 216 | ]) |
c9c0d073 BB |
217 | |
218 | AC_MSG_RESULT([$kernelsrc]) | |
56a517ae BB |
219 | AS_IF([test ! -d "$kernelsrc"], [ |
220 | AC_MSG_ERROR([ | |
221 | *** Please make sure the kernel devel package for your distribution | |
c06d4368 | 222 | *** is installed and then try again. If that fails, you can specify the |
56a517ae BB |
223 | *** location of the kernel source with the '--with-linux=PATH' option.]) |
224 | ]) | |
225 | ||
c9c0d073 | 226 | AC_MSG_CHECKING([kernel build directory]) |
8366cd6a | 227 | AS_IF([test -z "$kernelbuild"], [ |
cae5b340 | 228 | AS_IF([test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 229 | kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` |
8366cd6a | 230 | ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [ |
c9c0d073 | 231 | kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} |
8366cd6a | 232 | ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [ |
70574182 | 233 | kernelbuild=${kernelsrc}-obj/${target_cpu}/default |
8366cd6a | 234 | ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [ |
c9c0d073 | 235 | kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} |
8366cd6a | 236 | ], [ |
c9c0d073 | 237 | kernelbuild=${kernelsrc} |
8366cd6a PS |
238 | ]) |
239 | ]) | |
c9c0d073 BB |
240 | AC_MSG_RESULT([$kernelbuild]) |
241 | ||
242 | AC_MSG_CHECKING([kernel source version]) | |
243 | utsrelease1=$kernelbuild/include/linux/version.h | |
244 | utsrelease2=$kernelbuild/include/linux/utsrelease.h | |
245 | utsrelease3=$kernelbuild/include/generated/utsrelease.h | |
8366cd6a | 246 | AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [ |
c9c0d073 | 247 | utsrelease=linux/version.h |
8366cd6a | 248 | ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [ |
c9c0d073 | 249 | utsrelease=linux/utsrelease.h |
8366cd6a | 250 | ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [ |
c9c0d073 | 251 | utsrelease=generated/utsrelease.h |
8366cd6a | 252 | ]) |
c9c0d073 | 253 | |
8366cd6a | 254 | AS_IF([test "$utsrelease"], [ |
c9c0d073 BB |
255 | kernsrcver=`(echo "#include <$utsrelease>"; |
256 | echo "kernsrcver=UTS_RELEASE") | | |
257 | cpp -I $kernelbuild/include | | |
258 | grep "^kernsrcver=" | cut -d \" -f 2` | |
259 | ||
8366cd6a | 260 | AS_IF([test -z "$kernsrcver"], [ |
c9c0d073 BB |
261 | AC_MSG_RESULT([Not found]) |
262 | AC_MSG_ERROR([*** Cannot determine kernel version.]) | |
8366cd6a PS |
263 | ]) |
264 | ], [ | |
c9c0d073 | 265 | AC_MSG_RESULT([Not found]) |
319a99a3 ED |
266 | if test "x$enable_linux_builtin" != xyes; then |
267 | AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.]) | |
268 | else | |
269 | AC_MSG_ERROR([ | |
270 | *** Cannot find UTS_RELEASE definition. | |
271 | *** Please run 'make prepare' inside the kernel source tree.]) | |
272 | fi | |
8366cd6a | 273 | ]) |
c9c0d073 BB |
274 | |
275 | AC_MSG_RESULT([$kernsrcver]) | |
276 | ||
277 | LINUX=${kernelsrc} | |
278 | LINUX_OBJ=${kernelbuild} | |
279 | LINUX_VERSION=${kernsrcver} | |
280 | ||
281 | AC_SUBST(LINUX) | |
282 | AC_SUBST(LINUX_OBJ) | |
283 | AC_SUBST(LINUX_VERSION) | |
284 | ||
285 | ZFS_AC_MODULE_SYMVERS | |
286 | ]) | |
287 | ||
c9c0d073 BB |
288 | |
289 | dnl # | |
290 | dnl # Detect the SPL module to be built against | |
291 | dnl # | |
292 | AC_DEFUN([ZFS_AC_SPL], [ | |
293 | AC_ARG_WITH([spl], | |
294 | AS_HELP_STRING([--with-spl=PATH], | |
295 | [Path to spl source]), | |
cae5b340 AX |
296 | AS_IF([test "$withval" = "yes"], |
297 | AC_MSG_ERROR([--with-spl=PATH requires a PATH]), | |
298 | [splsrc="$withval"])) | |
c9c0d073 BB |
299 | |
300 | AC_ARG_WITH([spl-obj], | |
301 | AS_HELP_STRING([--with-spl-obj=PATH], | |
302 | [Path to spl build objects]), | |
303 | [splbuild="$withval"]) | |
304 | ||
c06d4368 AX |
305 | AC_ARG_WITH([spl-timeout], |
306 | AS_HELP_STRING([--with-spl-timeout=SECS], | |
307 | [Wait SECS for SPL header and symver file @<:@default=0@:>@]), | |
308 | [timeout="$withval"], [timeout=0]) | |
309 | ||
9b2af9a0 BB |
310 | dnl # |
311 | dnl # The existence of spl.release.in is used to identify a valid | |
312 | dnl # source directory. In order of preference: | |
313 | dnl # | |
314 | splsrc0="/var/lib/dkms/spl/${VERSION}/build" | |
ea04106b AX |
315 | splsrc1="/usr/local/src/spl-${VERSION}/${LINUX_VERSION}" |
316 | splsrc2="/usr/local/src/spl-${VERSION}" | |
317 | splsrc3="/usr/src/spl-${VERSION}/${LINUX_VERSION}" | |
318 | splsrc4="/usr/src/spl-${VERSION}" | |
319 | splsrc5="../spl/" | |
320 | splsrc6="$LINUX" | |
c9c0d073 BB |
321 | |
322 | AC_MSG_CHECKING([spl source directory]) | |
9b2af9a0 | 323 | AS_IF([test -z "${splsrc}"], [ |
cae5b340 AX |
324 | [all_spl_sources=" |
325 | ${splsrc0} | |
326 | ${splsrc1} | |
327 | ${splsrc2} | |
328 | ${splsrc3} | |
329 | ${splsrc4} | |
330 | ${splsrc5} | |
331 | ${splsrc6}"], | |
9b2af9a0 BB |
332 | AS_IF([ test -e "${splsrc0}/spl.release.in"], [ |
333 | splsrc=${splsrc0} | |
334 | ], [ test -e "${splsrc1}/spl.release.in"], [ | |
335 | splsrc=${splsrc1} | |
336 | ], [ test -e "${splsrc2}/spl.release.in"], [ | |
337 | splsrc=${splsrc2} | |
338 | ], [ test -e "${splsrc3}/spl.release.in"], [ | |
339 | splsrc=$(readlink -f "${splsrc3}") | |
340 | ], [ test -e "${splsrc4}/spl.release.in" ], [ | |
341 | splsrc=${splsrc4} | |
ea04106b AX |
342 | ], [ test -e "${splsrc5}/spl.release.in"], [ |
343 | splsrc=$(readlink -f "${splsrc5}") | |
344 | ], [ test -e "${splsrc6}/spl.release.in" ], [ | |
345 | splsrc=${splsrc6} | |
8366cd6a | 346 | ], [ |
9b2af9a0 | 347 | splsrc="[Not found]" |
8366cd6a PS |
348 | ]) |
349 | ], [ | |
cae5b340 | 350 | [all_spl_sources="$withval"], |
8366cd6a | 351 | AS_IF([test "$splsrc" = "NONE"], [ |
c9c0d073 BB |
352 | splbuild=NONE |
353 | splsrcver=NONE | |
8366cd6a PS |
354 | ]) |
355 | ]) | |
c9c0d073 BB |
356 | |
357 | AC_MSG_RESULT([$splsrc]) | |
9b2af9a0 BB |
358 | AS_IF([ test ! -e "$splsrc/spl.release.in"], [ |
359 | AC_MSG_ERROR([ | |
360 | *** Please make sure the kmod spl devel package for your distribution | |
361 | *** is installed then try again. If that fails you can specify the | |
cae5b340 AX |
362 | *** location of the spl source with the '--with-spl=PATH' option. |
363 | *** The spl version must match the version of ZFS you are building, | |
364 | *** ${VERSION}. Failed to find spl.release.in in the following: | |
365 | $all_spl_sources]) | |
9b2af9a0 BB |
366 | ]) |
367 | ||
368 | dnl # | |
369 | dnl # The existence of the spl_config.h is used to identify a valid | |
370 | dnl # spl object directory. In many cases the object and source | |
371 | dnl # directory are the same, however the objects may also reside | |
372 | dnl # is a subdirectory named after the kernel version. | |
373 | dnl # | |
c06d4368 AX |
374 | dnl # This file is supposed to be available after DKMS finishes |
375 | dnl # building the SPL kernel module for the target kernel. The | |
376 | dnl # '--with-spl-timeout' option can be passed to pause here, | |
377 | dnl # waiting for the file to appear from a concurrently building | |
378 | dnl # SPL package. | |
379 | dnl # | |
c9c0d073 | 380 | AC_MSG_CHECKING([spl build directory]) |
cae5b340 AX |
381 | |
382 | all_spl_config_locs="${splsrc}/${LINUX_VERSION} | |
383 | ${splsrc}" | |
384 | ||
c06d4368 AX |
385 | while true; do |
386 | AS_IF([test -z "$splbuild"], [ | |
387 | AS_IF([ test -e "${splsrc}/${LINUX_VERSION}/spl_config.h" ], [ | |
388 | splbuild="${splsrc}/${LINUX_VERSION}" | |
389 | ], [ test -e "${splsrc}/spl_config.h" ], [ | |
390 | splbuild="${splsrc}" | |
e10b0808 AX |
391 | ], [ find -L "${splsrc}" -name spl_config.h 2> /dev/null | grep -wq spl_config.h ], [ |
392 | splbuild=$(find -L "${splsrc}" -name spl_config.h | sed 's,/spl_config.h,,') | |
c06d4368 AX |
393 | ], [ |
394 | splbuild="[Not found]" | |
395 | ]) | |
396 | ]) | |
397 | AS_IF([test -e "$splbuild/spl_config.h" -o $timeout -le 0], [ | |
398 | break; | |
9b2af9a0 | 399 | ], [ |
c06d4368 AX |
400 | sleep 1 |
401 | timeout=$((timeout-1)) | |
9b2af9a0 | 402 | ]) |
c06d4368 | 403 | done |
9b2af9a0 | 404 | |
c9c0d073 | 405 | AC_MSG_RESULT([$splbuild]) |
9b2af9a0 BB |
406 | AS_IF([ ! test -e "$splbuild/spl_config.h"], [ |
407 | AC_MSG_ERROR([ | |
408 | *** Please make sure the kmod spl devel <kernel> package for your | |
409 | *** distribution is installed then try again. If that fails you | |
410 | *** can specify the location of the spl objects with the | |
cae5b340 AX |
411 | *** '--with-spl-obj=PATH' option. Failed to find spl_config.h in |
412 | *** any of the following: | |
413 | $all_spl_config_locs]) | |
9b2af9a0 | 414 | ]) |
c9c0d073 BB |
415 | |
416 | AC_MSG_CHECKING([spl source version]) | |
8366cd6a PS |
417 | AS_IF([test -r $splbuild/spl_config.h && |
418 | fgrep -q SPL_META_VERSION $splbuild/spl_config.h], [ | |
c9c0d073 BB |
419 | |
420 | splsrcver=`(echo "#include <spl_config.h>"; | |
b40a77ae | 421 | echo "splsrcver=SPL_META_VERSION-SPL_META_RELEASE") | |
5e612145 | 422 | cpp -I $splbuild | |
b40a77ae | 423 | grep "^splsrcver=" | tr -d \" | cut -d= -f2` |
8366cd6a | 424 | ]) |
c9c0d073 | 425 | |
8366cd6a | 426 | AS_IF([test -z "$splsrcver"], [ |
c9c0d073 BB |
427 | AC_MSG_RESULT([Not found]) |
428 | AC_MSG_ERROR([ | |
2984e0bb PS |
429 | *** Cannot determine the version of the spl source. |
430 | *** Please prepare the spl source before running this script]) | |
8366cd6a | 431 | ]) |
c9c0d073 BB |
432 | |
433 | AC_MSG_RESULT([$splsrcver]) | |
434 | ||
435 | SPL=${splsrc} | |
436 | SPL_OBJ=${splbuild} | |
437 | SPL_VERSION=${splsrcver} | |
438 | ||
439 | AC_SUBST(SPL) | |
440 | AC_SUBST(SPL_OBJ) | |
441 | AC_SUBST(SPL_VERSION) | |
442 | ||
c06d4368 AX |
443 | dnl # |
444 | dnl # Detect the name used for the SPL Module.symvers file. If one | |
445 | dnl # does not exist this is likely because the SPL has been configured | |
446 | dnl # but not built. The '--with-spl-timeout' option can be passed | |
447 | dnl # to pause here, waiting for the file to appear from a concurrently | |
448 | dnl # building SPL package. If the file does not appear in time, a good | |
449 | dnl # guess is made as to what this file will be named based on what it | |
450 | dnl # is named in the kernel build products. This file will first be | |
451 | dnl # used at link time so if the guess is wrong the build will fail | |
452 | dnl # then. This unfortunately means the ZFS package does not contain a | |
453 | dnl # reliable mechanism to detect symbols exported by the SPL at | |
454 | dnl # configure time. | |
455 | dnl # | |
456 | AC_MSG_CHECKING([spl file name for module symbols]) | |
457 | SPL_SYMBOLS=NONE | |
458 | ||
459 | while true; do | |
460 | AS_IF([test -r $SPL_OBJ/Module.symvers], [ | |
461 | SPL_SYMBOLS=Module.symvers | |
462 | ], [test -r $SPL_OBJ/Modules.symvers], [ | |
463 | SPL_SYMBOLS=Modules.symvers | |
464 | ], [test -r $SPL_OBJ/module/Module.symvers], [ | |
465 | SPL_SYMBOLS=Module.symvers | |
466 | ], [test -r $SPL_OBJ/module/Modules.symvers], [ | |
467 | SPL_SYMBOLS=Modules.symvers | |
468 | ]) | |
469 | ||
470 | AS_IF([test $SPL_SYMBOLS != NONE -o $timeout -le 0], [ | |
471 | break; | |
472 | ], [ | |
473 | sleep 1 | |
474 | timeout=$((timeout-1)) | |
475 | ]) | |
476 | done | |
477 | ||
478 | AS_IF([test "$SPL_SYMBOLS" = NONE], [ | |
479 | SPL_SYMBOLS=$LINUX_SYMBOLS | |
480 | ]) | |
481 | ||
482 | AC_MSG_RESULT([$SPL_SYMBOLS]) | |
483 | AC_SUBST(SPL_SYMBOLS) | |
c9c0d073 BB |
484 | ]) |
485 | ||
cae5b340 AX |
486 | dnl # |
487 | dnl # Detect the QAT module to be built against | |
488 | dnl # QAT provides hardware acceleration for data compression: | |
489 | dnl # https://01.org/intel-quickassist-technology | |
490 | dnl # * Download and install QAT driver from the above link | |
491 | dnl # * Start QAT driver in your system: | |
492 | dnl # service qat_service start | |
493 | dnl # * Enable QAT in ZFS, e.g.: | |
494 | dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6 | |
495 | dnl # make | |
496 | dnl # * Set GZIP compression in ZFS dataset: | |
497 | dnl # zfs set compression = gzip <dataset> | |
498 | dnl # Then the data written to this ZFS pool is compressed | |
499 | dnl # by QAT accelerator automatically, and de-compressed by | |
500 | dnl # QAT when read from the pool. | |
501 | dnl # * Get QAT hardware statistics by: | |
502 | dnl # cat /proc/icp_dh895xcc_dev/qat | |
503 | dnl # * To disable QAT: | |
504 | dnl # insmod zfs.ko zfs_qat_disable=1 | |
505 | dnl # | |
506 | AC_DEFUN([ZFS_AC_QAT], [ | |
507 | AC_ARG_WITH([qat], | |
508 | AS_HELP_STRING([--with-qat=PATH], | |
509 | [Path to qat source]), | |
510 | AS_IF([test "$withval" = "yes"], | |
511 | AC_MSG_ERROR([--with-qat=PATH requires a PATH]), | |
512 | [qatsrc="$withval"])) | |
513 | ||
514 | AC_ARG_WITH([qat-obj], | |
515 | AS_HELP_STRING([--with-qat-obj=PATH], | |
516 | [Path to qat build objects]), | |
517 | [qatbuild="$withval"]) | |
518 | ||
519 | AS_IF([test ! -z "${qatsrc}"], [ | |
520 | AC_MSG_CHECKING([qat source directory]) | |
521 | AC_MSG_RESULT([$qatsrc]) | |
522 | QAT_SRC="${qatsrc}/quickassist" | |
523 | AS_IF([ test ! -e "$QAT_SRC/include/cpa.h"], [ | |
524 | AC_MSG_ERROR([ | |
525 | *** Please make sure the qat driver package is installed | |
526 | *** and specify the location of the qat source with the | |
527 | *** '--with-qat=PATH' option then try again. Failed to | |
528 | *** find cpa.h in: | |
529 | ${QAT_SRC}/include]) | |
530 | ]) | |
531 | ]) | |
532 | ||
533 | AS_IF([test ! -z "${qatsrc}"], [ | |
534 | AC_MSG_CHECKING([qat build directory]) | |
535 | AS_IF([test -z "$qatbuild"], [ | |
536 | qatbuild="${qatsrc}/build" | |
537 | ]) | |
538 | ||
539 | AC_MSG_RESULT([$qatbuild]) | |
540 | QAT_OBJ=${qatbuild} | |
41d74433 | 541 | AS_IF([ ! test -e "$QAT_OBJ/icp_qa_al.ko" && ! test -e "$QAT_OBJ/qat_api.ko"], [ |
cae5b340 AX |
542 | AC_MSG_ERROR([ |
543 | *** Please make sure the qat driver is installed then try again. | |
41d74433 | 544 | *** Failed to find icp_qa_al.ko or qat_api.ko in: |
cae5b340 AX |
545 | $QAT_OBJ]) |
546 | ]) | |
547 | ||
548 | AC_SUBST(QAT_SRC) | |
549 | AC_SUBST(QAT_OBJ) | |
550 | ||
551 | AC_DEFINE(HAVE_QAT, 1, | |
552 | [qat is enabled and existed]) | |
553 | ]) | |
554 | ||
555 | dnl # | |
556 | dnl # Detect the name used for the QAT Module.symvers file. | |
557 | dnl # | |
558 | AS_IF([test ! -z "${qatsrc}"], [ | |
559 | AC_MSG_CHECKING([qat file for module symbols]) | |
560 | QAT_SYMBOLS=$QAT_SRC/lookaside/access_layer/src/Module.symvers | |
561 | ||
562 | AS_IF([test -r $QAT_SYMBOLS], [ | |
563 | AC_MSG_RESULT([$QAT_SYMBOLS]) | |
564 | AC_SUBST(QAT_SYMBOLS) | |
565 | ],[ | |
566 | AC_MSG_ERROR([ | |
567 | *** Please make sure the qat driver is installed then try again. | |
568 | *** Failed to find Module.symvers in: | |
569 | $QAT_SYMBOLS]) | |
570 | ]) | |
571 | ]) | |
572 | ]) | |
573 | ]) | |
574 | ||
319a99a3 ED |
575 | dnl # |
576 | dnl # Basic toolchain sanity check. | |
577 | dnl # | |
ea04106b AX |
578 | AC_DEFUN([ZFS_AC_TEST_MODULE], [ |
579 | AC_MSG_CHECKING([whether modules can be built]) | |
319a99a3 ED |
580 | ZFS_LINUX_TRY_COMPILE([],[],[ |
581 | AC_MSG_RESULT([yes]) | |
582 | ],[ | |
583 | AC_MSG_RESULT([no]) | |
584 | if test "x$enable_linux_builtin" != xyes; then | |
585 | AC_MSG_ERROR([*** Unable to build an empty module.]) | |
586 | else | |
587 | AC_MSG_ERROR([ | |
588 | *** Unable to build an empty module. | |
589 | *** Please run 'make scripts' inside the kernel source tree.]) | |
590 | fi | |
591 | ]) | |
592 | ]) | |
593 | ||
15805c77 BB |
594 | dnl # |
595 | dnl # Certain kernel build options are not supported. These must be | |
596 | dnl # detected at configure time and cause a build failure. Otherwise | |
597 | dnl # modules may be successfully built that behave incorrectly. | |
598 | dnl # | |
e5b85622 | 599 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG], [ |
94a40997 AX |
600 | AS_IF([test "x$cross_compiling" != xyes], [ |
601 | AC_RUN_IFELSE([ | |
602 | AC_LANG_PROGRAM([ | |
603 | #include "$LINUX/include/linux/license.h" | |
604 | ], [ | |
605 | return !license_is_gpl_compatible("$ZFS_META_LICENSE"); | |
606 | ]) | |
607 | ], [ | |
608 | AC_DEFINE([ZFS_IS_GPL_COMPATIBLE], [1], | |
609 | [Define to 1 if GPL-only symbols can be used]) | |
ea04106b | 610 | ], [ |
ea04106b | 611 | ]) |
e5b85622 BB |
612 | ]) |
613 | ||
68d83c55 | 614 | ZFS_AC_KERNEL_CONFIG_THREAD_SIZE |
e5b85622 BB |
615 | ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC |
616 | ]) | |
617 | ||
68d83c55 AX |
618 | dnl # |
619 | dnl # Check configured THREAD_SIZE | |
620 | dnl # | |
621 | dnl # The stack size will vary by architecture, but as of Linux 3.15 on x86_64 | |
622 | dnl # the default thread stack size was increased to 16K from 8K. Therefore, | |
623 | dnl # on newer kernels and some architectures stack usage optimizations can be | |
624 | dnl # conditionally applied to improve performance without negatively impacting | |
625 | dnl # stability. | |
626 | dnl # | |
627 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG_THREAD_SIZE], [ | |
628 | AC_MSG_CHECKING([whether kernel was built with 16K or larger stacks]) | |
629 | ZFS_LINUX_TRY_COMPILE([ | |
630 | #include <linux/module.h> | |
631 | ],[ | |
632 | #if (THREAD_SIZE < 16384) | |
633 | #error "THREAD_SIZE is less than 16K" | |
634 | #endif | |
635 | ],[ | |
636 | AC_MSG_RESULT([yes]) | |
637 | AC_DEFINE(HAVE_LARGE_STACKS, 1, [kernel has large stacks]) | |
638 | ],[ | |
639 | AC_MSG_RESULT([no]) | |
640 | ]) | |
641 | ]) | |
642 | ||
e5b85622 BB |
643 | dnl # |
644 | dnl # Check CONFIG_DEBUG_LOCK_ALLOC | |
645 | dnl # | |
646 | dnl # This is typically only set for debug kernels because it comes with | |
647 | dnl # a performance penalty. However, when it is set it maps the non-GPL | |
648 | dnl # symbol mutex_lock() to the GPL-only mutex_lock_nested() symbol. | |
649 | dnl # This will cause a failure at link time which we'd rather know about | |
650 | dnl # at compile time. | |
651 | dnl # | |
652 | dnl # Since we plan to pursue making mutex_lock_nested() a non-GPL symbol | |
653 | dnl # with the upstream community we add a check to detect this case. | |
654 | dnl # | |
655 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC], [ | |
656 | ||
657 | ZFS_LINUX_CONFIG([DEBUG_LOCK_ALLOC], [ | |
658 | AC_MSG_CHECKING([whether mutex_lock() is GPL-only]) | |
659 | tmp_flags="$EXTRA_KCFLAGS" | |
660 | ZFS_LINUX_TRY_COMPILE([ | |
661 | #include <linux/module.h> | |
662 | #include <linux/mutex.h> | |
663 | ||
664 | MODULE_LICENSE("$ZFS_META_LICENSE"); | |
665 | ],[ | |
666 | struct mutex lock; | |
667 | ||
668 | mutex_init(&lock); | |
669 | mutex_lock(&lock); | |
670 | mutex_unlock(&lock); | |
671 | ],[ | |
672 | AC_MSG_RESULT(no) | |
673 | ],[ | |
674 | AC_MSG_RESULT(yes) | |
675 | AC_MSG_ERROR([ | |
676 | *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is incompatible | |
cac1f230 NB |
677 | *** with the CDDL license and will prevent the module linking stage |
678 | *** from succeeding. You must rebuild your kernel without this | |
679 | *** option enabled.]) | |
e5b85622 BB |
680 | ]) |
681 | EXTRA_KCFLAGS="$tmp_flags" | |
682 | ], []) | |
c9c0d073 BB |
683 | ]) |
684 | ||
685 | dnl # | |
ea04106b AX |
686 | dnl # ZFS_LINUX_CONFTEST_H |
687 | dnl # | |
688 | AC_DEFUN([ZFS_LINUX_CONFTEST_H], [ | |
689 | cat - <<_ACEOF >conftest.h | |
690 | $1 | |
691 | _ACEOF | |
692 | ]) | |
693 | ||
c9c0d073 | 694 | dnl # |
ea04106b AX |
695 | dnl # ZFS_LINUX_CONFTEST_C |
696 | dnl # | |
697 | AC_DEFUN([ZFS_LINUX_CONFTEST_C], [ | |
c9c0d073 BB |
698 | cat confdefs.h - <<_ACEOF >conftest.c |
699 | $1 | |
700 | _ACEOF | |
701 | ]) | |
702 | ||
703 | dnl # | |
704 | dnl # ZFS_LANG_PROGRAM(C)([PROLOGUE], [BODY]) | |
705 | dnl # | |
706 | m4_define([ZFS_LANG_PROGRAM], [ | |
707 | $1 | |
708 | int | |
709 | main (void) | |
710 | { | |
711 | dnl Do *not* indent the following line: there may be CPP directives. | |
712 | dnl Don't move the `;' right after for the same reason. | |
713 | $2 | |
714 | ; | |
715 | return 0; | |
716 | } | |
717 | ]) | |
718 | ||
719 | dnl # | |
720 | dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE | |
721 | dnl # | |
722 | AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ | |
ea04106b AX |
723 | m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1])]) |
724 | m4_ifvaln([$6], [ZFS_LINUX_CONFTEST_H([$6])], [ZFS_LINUX_CONFTEST_H([])]) | |
fc88a6dd | 725 | rm -Rf build && mkdir -p build && touch build/conftest.mod.c |
c9c0d073 | 726 | echo "obj-m := conftest.o" >build/Makefile |
fc88a6dd ED |
727 | modpost_flag='' |
728 | test "x$enable_linux_builtin" = xyes && modpost_flag='modpost=true' # fake modpost stage | |
c9c0d073 | 729 | AS_IF( |
42f7b73b | 730 | [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 |
731 | [$4], |
732 | [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])] | |
733 | ) | |
734 | rm -Rf build | |
735 | ]) | |
736 | ||
737 | dnl # | |
738 | dnl # ZFS_LINUX_TRY_COMPILE like AC_TRY_COMPILE | |
739 | dnl # | |
740 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE], | |
741 | [ZFS_LINUX_COMPILE_IFELSE( | |
742 | [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], | |
743 | [modules], | |
744 | [test -s build/conftest.o], | |
745 | [$3], [$4]) | |
746 | ]) | |
747 | ||
748 | dnl # | |
749 | dnl # ZFS_LINUX_CONFIG | |
750 | dnl # | |
751 | AC_DEFUN([ZFS_LINUX_CONFIG], | |
68d83c55 | 752 | [AC_MSG_CHECKING([whether kernel was built with CONFIG_$1]) |
c9c0d073 | 753 | ZFS_LINUX_TRY_COMPILE([ |
0da78696 | 754 | #include <linux/module.h> |
c9c0d073 BB |
755 | ],[ |
756 | #ifndef CONFIG_$1 | |
757 | #error CONFIG_$1 not #defined | |
758 | #endif | |
759 | ],[ | |
760 | AC_MSG_RESULT([yes]) | |
761 | $2 | |
762 | ],[ | |
763 | AC_MSG_RESULT([no]) | |
764 | $3 | |
765 | ]) | |
766 | ]) | |
767 | ||
768 | dnl # | |
769 | dnl # ZFS_CHECK_SYMBOL_EXPORT | |
770 | dnl # check symbol exported or not | |
771 | dnl # | |
70574182 | 772 | AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [ |
c9c0d073 BB |
773 | grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ |
774 | $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null | |
775 | rc=$? | |
70574182 | 776 | if test $rc -ne 0; then |
c9c0d073 BB |
777 | export=0 |
778 | for file in $2; do | |
70574182 ED |
779 | grep -q -E "EXPORT_SYMBOL.*($1)" \ |
780 | "$LINUX/$file" 2>/dev/null | |
c9c0d073 | 781 | rc=$? |
70574182 | 782 | if test $rc -eq 0; then |
8366cd6a PS |
783 | export=1 |
784 | break; | |
70574182 | 785 | fi |
c9c0d073 | 786 | done |
70574182 | 787 | if test $export -eq 0; then : |
c9c0d073 | 788 | $4 |
70574182 | 789 | else : |
c9c0d073 | 790 | $3 |
70574182 ED |
791 | fi |
792 | else : | |
c9c0d073 | 793 | $3 |
70574182 ED |
794 | fi |
795 | ]) | |
796 | ||
797 | dnl # | |
798 | dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL | |
799 | dnl # like ZFS_LINUX_TRY_COMPILE, except ZFS_CHECK_SYMBOL_EXPORT | |
800 | dnl # is called if not compiling for builtin | |
801 | dnl # | |
802 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [ | |
803 | ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1]) | |
804 | if test $rc -ne 0; then : | |
805 | $6 | |
806 | else | |
807 | if test "x$enable_linux_builtin" != xyes; then | |
808 | ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1]) | |
809 | fi | |
810 | if test $rc -ne 0; then : | |
811 | $6 | |
812 | else : | |
813 | $5 | |
814 | fi | |
815 | fi | |
c9c0d073 | 816 | ]) |
ea04106b AX |
817 | |
818 | dnl # | |
819 | dnl # ZFS_LINUX_TRY_COMPILE_HEADER | |
820 | dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are | |
821 | dnl # provided via the fifth parameter | |
822 | dnl # | |
823 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], | |
824 | [ZFS_LINUX_COMPILE_IFELSE( | |
825 | [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], | |
826 | [modules], | |
827 | [test -s build/conftest.o], | |
828 | [$3], [$4], [$5]) | |
829 | ]) |