]>
Commit | Line | Data |
---|---|---|
c9c0d073 | 1 | dnl # |
fc0c72b1 | 2 | dnl # Default ZFS kernel configuration |
c9c0d073 BB |
3 | dnl # |
4 | AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ | |
9f0a21e6 MM |
5 | AM_COND_IF([BUILD_LINUX], [ |
6 | dnl # Setup the kernel build environment. | |
7 | ZFS_AC_KERNEL | |
8 | ZFS_AC_QAT | |
608f8749 | 9 | |
9f0a21e6 MM |
10 | dnl # Sanity checks for module building and CONFIG_* defines |
11 | ZFS_AC_KERNEL_TEST_MODULE | |
12 | ZFS_AC_KERNEL_CONFIG_DEFINED | |
608f8749 | 13 | |
9f0a21e6 MM |
14 | dnl # Sequential ZFS_LINUX_TRY_COMPILE tests |
15 | ZFS_AC_KERNEL_FPU_HEADER | |
16 | ZFS_AC_KERNEL_WAIT_QUEUE_ENTRY_T | |
17 | ZFS_AC_KERNEL_MISC_MINOR | |
18 | ZFS_AC_KERNEL_DECLARE_EVENT_CLASS | |
608f8749 | 19 | |
9f0a21e6 MM |
20 | dnl # Parallel ZFS_LINUX_TEST_SRC / ZFS_LINUX_TEST_RESULT tests |
21 | ZFS_AC_KERNEL_TEST_SRC | |
22 | ZFS_AC_KERNEL_TEST_RESULT | |
608f8749 | 23 | |
9f0a21e6 MM |
24 | AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
25 | KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ" | |
26 | ]) | |
608f8749 | 27 | |
9f0a21e6 MM |
28 | AC_SUBST(KERNEL_MAKE) |
29 | ]) | |
608f8749 BB |
30 | ]) |
31 | ||
32 | dnl # | |
33 | dnl # Generate and compile all of the kernel API test cases to determine | |
34 | dnl # which interfaces are available. By invoking the kernel build system | |
35 | dnl # only once the compilation can be done in parallel significantly | |
36 | dnl # speeding up the process. | |
37 | dnl # | |
38 | AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [ | |
39 | ZFS_AC_KERNEL_SRC_OBJTOOL | |
40 | ZFS_AC_KERNEL_SRC_GLOBAL_PAGE_STATE | |
41 | ZFS_AC_KERNEL_SRC_ACCESS_OK_TYPE | |
608f8749 BB |
42 | ZFS_AC_KERNEL_SRC_PDE_DATA |
43 | ZFS_AC_KERNEL_SRC_FALLOCATE | |
44 | ZFS_AC_KERNEL_SRC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE | |
45 | ZFS_AC_KERNEL_SRC_RWSEM | |
46 | ZFS_AC_KERNEL_SRC_SCHED | |
47 | ZFS_AC_KERNEL_SRC_USLEEP_RANGE | |
48 | ZFS_AC_KERNEL_SRC_KMEM_CACHE | |
66955885 | 49 | ZFS_AC_KERNEL_SRC_KVMALLOC |
080102a1 | 50 | ZFS_AC_KERNEL_SRC_VMALLOC_PAGE_KERNEL |
608f8749 BB |
51 | ZFS_AC_KERNEL_SRC_WAIT |
52 | ZFS_AC_KERNEL_SRC_INODE_TIMES | |
53 | ZFS_AC_KERNEL_SRC_INODE_LOCK | |
54 | ZFS_AC_KERNEL_SRC_GROUP_INFO_GID | |
55 | ZFS_AC_KERNEL_SRC_RW | |
56 | ZFS_AC_KERNEL_SRC_TIMER_SETUP | |
608f8749 | 57 | ZFS_AC_KERNEL_SRC_SUPER_USER_NS |
0dd73648 | 58 | ZFS_AC_KERNEL_SRC_PROC_OPERATIONS |
608f8749 | 59 | ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS |
066e8252 BB |
60 | ZFS_AC_KERNEL_SRC_BIO |
61 | ZFS_AC_KERNEL_SRC_BLKDEV | |
62 | ZFS_AC_KERNEL_SRC_BLK_QUEUE | |
608f8749 BB |
63 | ZFS_AC_KERNEL_SRC_GET_DISK_AND_MODULE |
64 | ZFS_AC_KERNEL_SRC_GET_DISK_RO | |
65 | ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL | |
66 | ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY | |
67 | ZFS_AC_KERNEL_SRC_INODE_OWNER_OR_CAPABLE | |
68 | ZFS_AC_KERNEL_SRC_XATTR | |
69 | ZFS_AC_KERNEL_SRC_ACL | |
70 | ZFS_AC_KERNEL_SRC_INODE_GETATTR | |
71 | ZFS_AC_KERNEL_SRC_INODE_SET_FLAGS | |
72 | ZFS_AC_KERNEL_SRC_INODE_SET_IVERSION | |
73 | ZFS_AC_KERNEL_SRC_SHOW_OPTIONS | |
74 | ZFS_AC_KERNEL_SRC_FILE_INODE | |
75 | ZFS_AC_KERNEL_SRC_FILE_DENTRY | |
76 | ZFS_AC_KERNEL_SRC_FSYNC | |
77 | ZFS_AC_KERNEL_SRC_AIO_FSYNC | |
78 | ZFS_AC_KERNEL_SRC_EVICT_INODE | |
79 | ZFS_AC_KERNEL_SRC_DIRTY_INODE | |
80 | ZFS_AC_KERNEL_SRC_SHRINKER | |
81 | ZFS_AC_KERNEL_SRC_MKDIR_UMODE_T | |
066e8252 BB |
82 | ZFS_AC_KERNEL_SRC_LOOKUP_FLAGS |
83 | ZFS_AC_KERNEL_SRC_CREATE_FLAGS | |
608f8749 BB |
84 | ZFS_AC_KERNEL_SRC_GET_LINK |
85 | ZFS_AC_KERNEL_SRC_PUT_LINK | |
86 | ZFS_AC_KERNEL_SRC_TMPFILE | |
608f8749 BB |
87 | ZFS_AC_KERNEL_SRC_AUTOMOUNT |
88 | ZFS_AC_KERNEL_SRC_ENCODE_FH_WITH_INODE | |
89 | ZFS_AC_KERNEL_SRC_COMMIT_METADATA | |
90 | ZFS_AC_KERNEL_SRC_CLEAR_INODE | |
91 | ZFS_AC_KERNEL_SRC_SETATTR_PREPARE | |
92 | ZFS_AC_KERNEL_SRC_INSERT_INODE_LOCKED | |
93 | ZFS_AC_KERNEL_SRC_DENTRY | |
94 | ZFS_AC_KERNEL_SRC_TRUNCATE_SETSIZE | |
95 | ZFS_AC_KERNEL_SRC_SECURITY_INODE | |
96 | ZFS_AC_KERNEL_SRC_FST_MOUNT | |
97 | ZFS_AC_KERNEL_SRC_BDI | |
98 | ZFS_AC_KERNEL_SRC_SET_NLINK | |
608f8749 BB |
99 | ZFS_AC_KERNEL_SRC_SGET |
100 | ZFS_AC_KERNEL_SRC_LSEEK_EXECUTE | |
101 | ZFS_AC_KERNEL_SRC_VFS_GETATTR | |
102 | ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS | |
103 | ZFS_AC_KERNEL_SRC_VFS_ITERATE | |
104 | ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO | |
105 | ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE | |
106 | ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS | |
107 | ZFS_AC_KERNEL_SRC_KMAP_ATOMIC_ARGS | |
108 | ZFS_AC_KERNEL_SRC_FOLLOW_DOWN_ONE | |
109 | ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN | |
110 | ZFS_AC_KERNEL_SRC_GENERIC_IO_ACCT | |
111 | ZFS_AC_KERNEL_SRC_FPU | |
112 | ZFS_AC_KERNEL_SRC_FMODE_T | |
113 | ZFS_AC_KERNEL_SRC_KUIDGID_T | |
114 | ZFS_AC_KERNEL_SRC_KUID_HELPERS | |
115 | ZFS_AC_KERNEL_SRC_MODULE_PARAM_CALL_CONST | |
116 | ZFS_AC_KERNEL_SRC_RENAME_WANTS_FLAGS | |
117 | ZFS_AC_KERNEL_SRC_CURRENT_TIME | |
118 | ZFS_AC_KERNEL_SRC_USERNS_CAPABILITIES | |
119 | ZFS_AC_KERNEL_SRC_IN_COMPAT_SYSCALL | |
ff5587d6 | 120 | ZFS_AC_KERNEL_SRC_KTIME |
608f8749 BB |
121 | ZFS_AC_KERNEL_SRC_TOTALRAM_PAGES_FUNC |
122 | ZFS_AC_KERNEL_SRC_TOTALHIGH_PAGES | |
123 | ZFS_AC_KERNEL_SRC_KSTRTOUL | |
124 | ||
125 | AC_MSG_CHECKING([for available kernel interfaces]) | |
126 | ZFS_LINUX_TEST_COMPILE_ALL([kabi]) | |
127 | AC_MSG_RESULT([done]) | |
128 | ]) | |
129 | ||
130 | dnl # | |
131 | dnl # Check results of kernel interface tests. | |
132 | dnl # | |
133 | AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [ | |
134 | ZFS_AC_KERNEL_ACCESS_OK_TYPE | |
135 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE | |
650383f2 | 136 | ZFS_AC_KERNEL_OBJTOOL |
93ce2b4c | 137 | ZFS_AC_KERNEL_PDE_DATA |
93ce2b4c BB |
138 | ZFS_AC_KERNEL_FALLOCATE |
139 | ZFS_AC_KERNEL_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE | |
608f8749 BB |
140 | ZFS_AC_KERNEL_RWSEM |
141 | ZFS_AC_KERNEL_SCHED | |
93ce2b4c | 142 | ZFS_AC_KERNEL_USLEEP_RANGE |
608f8749 | 143 | ZFS_AC_KERNEL_KMEM_CACHE |
66955885 | 144 | ZFS_AC_KERNEL_KVMALLOC |
080102a1 | 145 | ZFS_AC_KERNEL_VMALLOC_PAGE_KERNEL |
608f8749 | 146 | ZFS_AC_KERNEL_WAIT |
6413c95f | 147 | ZFS_AC_KERNEL_INODE_TIMES |
93ce2b4c BB |
148 | ZFS_AC_KERNEL_INODE_LOCK |
149 | ZFS_AC_KERNEL_GROUP_INFO_GID | |
608f8749 | 150 | ZFS_AC_KERNEL_RW |
8b8b44d0 | 151 | ZFS_AC_KERNEL_TIMER_SETUP |
938cfeb0 | 152 | ZFS_AC_KERNEL_SUPER_USER_NS |
0dd73648 | 153 | ZFS_AC_KERNEL_PROC_OPERATIONS |
608f8749 | 154 | ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS |
066e8252 BB |
155 | ZFS_AC_KERNEL_BIO |
156 | ZFS_AC_KERNEL_BLKDEV | |
157 | ZFS_AC_KERNEL_BLK_QUEUE | |
dd3e1e30 | 158 | ZFS_AC_KERNEL_GET_DISK_AND_MODULE |
c9c0d073 | 159 | ZFS_AC_KERNEL_GET_DISK_RO |
a5e046ea | 160 | ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL |
ee5fd0bb | 161 | ZFS_AC_KERNEL_DISCARD_GRANULARITY |
023699cd | 162 | ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE |
608f8749 BB |
163 | ZFS_AC_KERNEL_XATTR |
164 | ZFS_AC_KERNEL_ACL | |
165 | ZFS_AC_KERNEL_INODE_GETATTR | |
a5248129 | 166 | ZFS_AC_KERNEL_INODE_SET_FLAGS |
18f57327 | 167 | ZFS_AC_KERNEL_INODE_SET_IVERSION |
47621f3d | 168 | ZFS_AC_KERNEL_SHOW_OPTIONS |
534759fa | 169 | ZFS_AC_KERNEL_FILE_INODE |
d9c97ec0 | 170 | ZFS_AC_KERNEL_FILE_DENTRY |
adcd70bd | 171 | ZFS_AC_KERNEL_FSYNC |
7ca25051 | 172 | ZFS_AC_KERNEL_AIO_FSYNC |
608f8749 BB |
173 | ZFS_AC_KERNEL_EVICT_INODE |
174 | ZFS_AC_KERNEL_DIRTY_INODE | |
175 | ZFS_AC_KERNEL_SHRINKER | |
95f5c63b | 176 | ZFS_AC_KERNEL_MKDIR_UMODE_T |
066e8252 BB |
177 | ZFS_AC_KERNEL_LOOKUP_FLAGS |
178 | ZFS_AC_KERNEL_CREATE_FLAGS | |
beeed459 | 179 | ZFS_AC_KERNEL_GET_LINK |
bd29109f | 180 | ZFS_AC_KERNEL_PUT_LINK |
ace1eae8 | 181 | ZFS_AC_KERNEL_TMPFILE |
ebe7e575 | 182 | ZFS_AC_KERNEL_AUTOMOUNT |
756c3e5a | 183 | ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE |
393b44c7 | 184 | ZFS_AC_KERNEL_COMMIT_METADATA |
739a1a82 | 185 | ZFS_AC_KERNEL_CLEAR_INODE |
3b0ba3ba | 186 | ZFS_AC_KERNEL_SETATTR_PREPARE |
bdf4328b | 187 | ZFS_AC_KERNEL_INSERT_INODE_LOCKED |
608f8749 | 188 | ZFS_AC_KERNEL_DENTRY |
b3129792 | 189 | ZFS_AC_KERNEL_TRUNCATE_SETSIZE |
608f8749 | 190 | ZFS_AC_KERNEL_SECURITY_INODE |
93b43af1 | 191 | ZFS_AC_KERNEL_FST_MOUNT |
7dae2c81 | 192 | ZFS_AC_KERNEL_BDI |
28eb9213 | 193 | ZFS_AC_KERNEL_SET_NLINK |
608f8749 | 194 | ZFS_AC_KERNEL_SGET |
802e7b5f | 195 | ZFS_AC_KERNEL_LSEEK_EXECUTE |
608f8749 BB |
196 | ZFS_AC_KERNEL_VFS_GETATTR |
197 | ZFS_AC_KERNEL_VFS_FSYNC_2ARGS | |
0f37d0c8 | 198 | ZFS_AC_KERNEL_VFS_ITERATE |
a584ef26 | 199 | ZFS_AC_KERNEL_VFS_DIRECT_IO |
608f8749 BB |
200 | ZFS_AC_KERNEL_VFS_RW_ITERATE |
201 | ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS | |
17888ae3 | 202 | ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS |
278bee93 | 203 | ZFS_AC_KERNEL_FOLLOW_DOWN_ONE |
37f9dac5 | 204 | ZFS_AC_KERNEL_MAKE_REQUEST_FN |
608f8749 | 205 | ZFS_AC_KERNEL_GENERIC_IO_ACCT |
fc0c72b1 | 206 | ZFS_AC_KERNEL_FPU |
608f8749 BB |
207 | ZFS_AC_KERNEL_FMODE_T |
208 | ZFS_AC_KERNEL_KUIDGID_T | |
82a1b2d6 | 209 | ZFS_AC_KERNEL_KUID_HELPERS |
9cc1844a | 210 | ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST |
b8d9e264 | 211 | ZFS_AC_KERNEL_RENAME_WANTS_FLAGS |
2946a1a1 | 212 | ZFS_AC_KERNEL_CURRENT_TIME |
0e85048f | 213 | ZFS_AC_KERNEL_USERNS_CAPABILITIES |
e897a23e | 214 | ZFS_AC_KERNEL_IN_COMPAT_SYSCALL |
ff5587d6 | 215 | ZFS_AC_KERNEL_KTIME |
031cea17 | 216 | ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC |
de3e0b91 | 217 | ZFS_AC_KERNEL_TOTALHIGH_PAGES |
8708fd88 | 218 | ZFS_AC_KERNEL_KSTRTOUL |
c9c0d073 BB |
219 | ]) |
220 | ||
221 | dnl # | |
222 | dnl # Detect name used for Module.symvers file in kernel | |
223 | dnl # | |
224 | AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ | |
225 | modpost=$LINUX/scripts/Makefile.modpost | |
226 | AC_MSG_CHECKING([kernel file name for module symbols]) | |
319a99a3 | 227 | AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [ |
8366cd6a | 228 | AS_IF([grep -q Modules.symvers $modpost], [ |
c9c0d073 | 229 | LINUX_SYMBOLS=Modules.symvers |
8366cd6a | 230 | ], [ |
c9c0d073 | 231 | LINUX_SYMBOLS=Module.symvers |
8366cd6a | 232 | ]) |
a60b1c0a | 233 | |
8366cd6a | 234 | AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ |
a60b1c0a BB |
235 | AC_MSG_ERROR([ |
236 | *** Please make sure the kernel devel package for your distribution | |
608f8749 BB |
237 | *** is installed. If you are building with a custom kernel, make sure |
238 | *** the kernel is configured, built, and the '--with-linux=PATH' | |
239 | *** configure option refers to the location of the kernel source. | |
240 | ]) | |
8366cd6a PS |
241 | ]) |
242 | ], [ | |
c9c0d073 | 243 | LINUX_SYMBOLS=NONE |
8366cd6a | 244 | ]) |
c9c0d073 BB |
245 | AC_MSG_RESULT($LINUX_SYMBOLS) |
246 | AC_SUBST(LINUX_SYMBOLS) | |
247 | ]) | |
248 | ||
249 | dnl # | |
250 | dnl # Detect the kernel to be built against | |
251 | dnl # | |
252 | AC_DEFUN([ZFS_AC_KERNEL], [ | |
253 | AC_ARG_WITH([linux], | |
254 | AS_HELP_STRING([--with-linux=PATH], | |
255 | [Path to kernel source]), | |
256 | [kernelsrc="$withval"]) | |
257 | ||
258 | AC_ARG_WITH(linux-obj, | |
259 | AS_HELP_STRING([--with-linux-obj=PATH], | |
260 | [Path to kernel build objects]), | |
261 | [kernelbuild="$withval"]) | |
262 | ||
263 | AC_MSG_CHECKING([kernel source directory]) | |
8366cd6a PS |
264 | AS_IF([test -z "$kernelsrc"], [ |
265 | AS_IF([test -e "/lib/modules/$(uname -r)/source"], [ | |
1b94c25c BB |
266 | headersdir="/lib/modules/$(uname -r)/source" |
267 | sourcelink=$(readlink -f "$headersdir") | |
8366cd6a | 268 | ], [test -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 269 | headersdir="/lib/modules/$(uname -r)/build" |
c9c0d073 | 270 | sourcelink=$(readlink -f "$headersdir") |
8366cd6a | 271 | ], [ |
c9c0d073 | 272 | sourcelink=$(ls -1d /usr/src/kernels/* \ |
8366cd6a | 273 | /usr/src/linux-* \ |
c9c0d073 | 274 | 2>/dev/null | grep -v obj | tail -1) |
8366cd6a | 275 | ]) |
c9c0d073 | 276 | |
8366cd6a | 277 | AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [ |
c9c0d073 | 278 | kernelsrc=`readlink -f ${sourcelink}` |
8366cd6a | 279 | ], [ |
56a517ae | 280 | kernelsrc="[Not found]" |
8366cd6a PS |
281 | ]) |
282 | ], [ | |
283 | AS_IF([test "$kernelsrc" = "NONE"], [ | |
c9c0d073 | 284 | kernsrcver=NONE |
8366cd6a | 285 | ]) |
1d8da991 | 286 | withlinux=yes |
8366cd6a | 287 | ]) |
c9c0d073 BB |
288 | |
289 | AC_MSG_RESULT([$kernelsrc]) | |
56a517ae BB |
290 | AS_IF([test ! -d "$kernelsrc"], [ |
291 | AC_MSG_ERROR([ | |
292 | *** Please make sure the kernel devel package for your distribution | |
4e95cc99 | 293 | *** is installed and then try again. If that fails, you can specify the |
56a517ae BB |
294 | *** location of the kernel source with the '--with-linux=PATH' option.]) |
295 | ]) | |
296 | ||
c9c0d073 | 297 | AC_MSG_CHECKING([kernel build directory]) |
8366cd6a | 298 | AS_IF([test -z "$kernelbuild"], [ |
1d8da991 | 299 | AS_IF([test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 300 | kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` |
8366cd6a | 301 | ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [ |
c9c0d073 | 302 | kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} |
8366cd6a | 303 | ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [ |
70574182 | 304 | kernelbuild=${kernelsrc}-obj/${target_cpu}/default |
8366cd6a | 305 | ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [ |
c9c0d073 | 306 | kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} |
8366cd6a | 307 | ], [ |
c9c0d073 | 308 | kernelbuild=${kernelsrc} |
8366cd6a PS |
309 | ]) |
310 | ]) | |
c9c0d073 BB |
311 | AC_MSG_RESULT([$kernelbuild]) |
312 | ||
313 | AC_MSG_CHECKING([kernel source version]) | |
314 | utsrelease1=$kernelbuild/include/linux/version.h | |
315 | utsrelease2=$kernelbuild/include/linux/utsrelease.h | |
316 | utsrelease3=$kernelbuild/include/generated/utsrelease.h | |
8366cd6a | 317 | AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [ |
c9c0d073 | 318 | utsrelease=linux/version.h |
8366cd6a | 319 | ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [ |
c9c0d073 | 320 | utsrelease=linux/utsrelease.h |
8366cd6a | 321 | ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [ |
c9c0d073 | 322 | utsrelease=generated/utsrelease.h |
8366cd6a | 323 | ]) |
c9c0d073 | 324 | |
8366cd6a | 325 | AS_IF([test "$utsrelease"], [ |
c9c0d073 BB |
326 | kernsrcver=`(echo "#include <$utsrelease>"; |
327 | echo "kernsrcver=UTS_RELEASE") | | |
2aa398f3 | 328 | ${CPP} -I $kernelbuild/include - | |
c9c0d073 BB |
329 | grep "^kernsrcver=" | cut -d \" -f 2` |
330 | ||
8366cd6a | 331 | AS_IF([test -z "$kernsrcver"], [ |
c9c0d073 | 332 | AC_MSG_RESULT([Not found]) |
608f8749 BB |
333 | AC_MSG_ERROR([ |
334 | *** Cannot determine kernel version. | |
335 | ]) | |
8366cd6a PS |
336 | ]) |
337 | ], [ | |
c9c0d073 | 338 | AC_MSG_RESULT([Not found]) |
319a99a3 | 339 | if test "x$enable_linux_builtin" != xyes; then |
608f8749 BB |
340 | AC_MSG_ERROR([ |
341 | *** Cannot find UTS_RELEASE definition. | |
342 | ]) | |
319a99a3 ED |
343 | else |
344 | AC_MSG_ERROR([ | |
345 | *** Cannot find UTS_RELEASE definition. | |
346 | *** Please run 'make prepare' inside the kernel source tree.]) | |
347 | fi | |
8366cd6a | 348 | ]) |
c9c0d073 BB |
349 | |
350 | AC_MSG_RESULT([$kernsrcver]) | |
351 | ||
066e8252 BB |
352 | AS_VERSION_COMPARE([$kernsrcver], [$ZFS_META_KVER_MIN], [ |
353 | AC_MSG_ERROR([ | |
354 | *** Cannot build against kernel version $kernsrcver. | |
355 | *** The minimum supported kernel version is $ZFS_META_KVER_MIN. | |
356 | ]) | |
357 | ]) | |
358 | ||
c9c0d073 BB |
359 | LINUX=${kernelsrc} |
360 | LINUX_OBJ=${kernelbuild} | |
361 | LINUX_VERSION=${kernsrcver} | |
362 | ||
363 | AC_SUBST(LINUX) | |
364 | AC_SUBST(LINUX_OBJ) | |
365 | AC_SUBST(LINUX_VERSION) | |
366 | ||
367 | ZFS_AC_MODULE_SYMVERS | |
368 | ]) | |
369 | ||
6a9d6359 | 370 | dnl # |
608f8749 BB |
371 | dnl # Detect the QAT module to be built against, QAT provides hardware |
372 | dnl # acceleration for data compression: | |
373 | dnl # | |
374 | dnl # https://01.org/intel-quickassist-technology | |
375 | dnl # | |
376 | dnl # 1) Download and install QAT driver from the above link | |
377 | dnl # 2) Start QAT driver in your system: | |
378 | dnl # service qat_service start | |
379 | dnl # 3) Enable QAT in ZFS, e.g.: | |
380 | dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6 | |
381 | dnl # make | |
382 | dnl # 4) Set GZIP compression in ZFS dataset: | |
383 | dnl # zfs set compression = gzip <dataset> | |
384 | dnl # | |
385 | dnl # Then the data written to this ZFS pool is compressed by QAT accelerator | |
386 | dnl # automatically, and de-compressed by QAT when read from the pool. | |
387 | dnl # | |
388 | dnl # 1) Get QAT hardware statistics with: | |
389 | dnl # cat /proc/icp_dh895xcc_dev/qat | |
390 | dnl # 2) To disable QAT: | |
391 | dnl # insmod zfs.ko zfs_qat_disable=1 | |
6a9d6359 | 392 | dnl # |
393 | AC_DEFUN([ZFS_AC_QAT], [ | |
394 | AC_ARG_WITH([qat], | |
395 | AS_HELP_STRING([--with-qat=PATH], | |
396 | [Path to qat source]), | |
397 | AS_IF([test "$withval" = "yes"], | |
398 | AC_MSG_ERROR([--with-qat=PATH requires a PATH]), | |
399 | [qatsrc="$withval"])) | |
400 | ||
401 | AC_ARG_WITH([qat-obj], | |
402 | AS_HELP_STRING([--with-qat-obj=PATH], | |
403 | [Path to qat build objects]), | |
404 | [qatbuild="$withval"]) | |
405 | ||
406 | AS_IF([test ! -z "${qatsrc}"], [ | |
407 | AC_MSG_CHECKING([qat source directory]) | |
408 | AC_MSG_RESULT([$qatsrc]) | |
409 | QAT_SRC="${qatsrc}/quickassist" | |
410 | AS_IF([ test ! -e "$QAT_SRC/include/cpa.h"], [ | |
411 | AC_MSG_ERROR([ | |
608f8749 BB |
412 | *** Please make sure the qat driver package is installed |
413 | *** and specify the location of the qat source with the | |
414 | *** '--with-qat=PATH' option then try again. Failed to | |
415 | *** find cpa.h in: | |
416 | ${QAT_SRC}/include]) | |
6a9d6359 | 417 | ]) |
418 | ]) | |
419 | ||
420 | AS_IF([test ! -z "${qatsrc}"], [ | |
421 | AC_MSG_CHECKING([qat build directory]) | |
422 | AS_IF([test -z "$qatbuild"], [ | |
423 | qatbuild="${qatsrc}/build" | |
424 | ]) | |
425 | ||
426 | AC_MSG_RESULT([$qatbuild]) | |
427 | QAT_OBJ=${qatbuild} | |
1cfdb0e6 | 428 | AS_IF([ ! test -e "$QAT_OBJ/icp_qa_al.ko" && ! test -e "$QAT_OBJ/qat_api.ko"], [ |
6a9d6359 | 429 | AC_MSG_ERROR([ |
608f8749 BB |
430 | *** Please make sure the qat driver is installed then try again. |
431 | *** Failed to find icp_qa_al.ko or qat_api.ko in: | |
432 | $QAT_OBJ]) | |
6a9d6359 | 433 | ]) |
434 | ||
435 | AC_SUBST(QAT_SRC) | |
436 | AC_SUBST(QAT_OBJ) | |
437 | ||
438 | AC_DEFINE(HAVE_QAT, 1, | |
439 | [qat is enabled and existed]) | |
440 | ]) | |
441 | ||
442 | dnl # | |
443 | dnl # Detect the name used for the QAT Module.symvers file. | |
444 | dnl # | |
445 | AS_IF([test ! -z "${qatsrc}"], [ | |
446 | AC_MSG_CHECKING([qat file for module symbols]) | |
447 | QAT_SYMBOLS=$QAT_SRC/lookaside/access_layer/src/Module.symvers | |
448 | ||
449 | AS_IF([test -r $QAT_SYMBOLS], [ | |
450 | AC_MSG_RESULT([$QAT_SYMBOLS]) | |
451 | AC_SUBST(QAT_SYMBOLS) | |
452 | ],[ | |
608f8749 BB |
453 | AC_MSG_ERROR([ |
454 | *** Please make sure the qat driver is installed then try again. | |
455 | *** Failed to find Module.symvers in: | |
456 | $QAT_SYMBOLS | |
6a9d6359 | 457 | ]) |
458 | ]) | |
459 | ]) | |
460 | ]) | |
461 | ||
319a99a3 ED |
462 | dnl # |
463 | dnl # Basic toolchain sanity check. | |
464 | dnl # | |
608f8749 | 465 | AC_DEFUN([ZFS_AC_KERNEL_TEST_MODULE], [ |
e33045ee | 466 | AC_MSG_CHECKING([whether modules can be built]) |
608f8749 | 467 | ZFS_LINUX_TRY_COMPILE([], [], [ |
319a99a3 ED |
468 | AC_MSG_RESULT([yes]) |
469 | ],[ | |
470 | AC_MSG_RESULT([no]) | |
471 | if test "x$enable_linux_builtin" != xyes; then | |
608f8749 BB |
472 | AC_MSG_ERROR([ |
473 | *** Unable to build an empty module. | |
474 | ]) | |
319a99a3 ED |
475 | else |
476 | AC_MSG_ERROR([ | |
477 | *** Unable to build an empty module. | |
478 | *** Please run 'make scripts' inside the kernel source tree.]) | |
479 | fi | |
480 | ]) | |
481 | ]) | |
482 | ||
15805c77 | 483 | dnl # |
608f8749 | 484 | dnl # ZFS_LINUX_CONFTEST_H |
15805c77 | 485 | dnl # |
608f8749 BB |
486 | AC_DEFUN([ZFS_LINUX_CONFTEST_H], [ |
487 | test -d build/$2 || mkdir -p build/$2 | |
488 | cat - <<_ACEOF >build/$2/$2.h | |
489 | $1 | |
490 | _ACEOF | |
491 | ]) | |
e5b85622 | 492 | |
608f8749 BB |
493 | dnl # |
494 | dnl # ZFS_LINUX_CONFTEST_C | |
495 | dnl # | |
496 | AC_DEFUN([ZFS_LINUX_CONFTEST_C], [ | |
497 | test -d build/$2 || mkdir -p build/$2 | |
498 | cat confdefs.h - <<_ACEOF >build/$2/$2.c | |
499 | $1 | |
500 | _ACEOF | |
e5b85622 BB |
501 | ]) |
502 | ||
b58986ee | 503 | dnl # |
608f8749 | 504 | dnl # ZFS_LINUX_CONFTEST_MAKEFILE |
b58986ee | 505 | dnl # |
608f8749 BB |
506 | dnl # $1 - test case name |
507 | dnl # $2 - add to top-level Makefile | |
508 | dnl # $3 - additional build flags | |
b58986ee | 509 | dnl # |
608f8749 BB |
510 | AC_DEFUN([ZFS_LINUX_CONFTEST_MAKEFILE], [ |
511 | test -d build || mkdir -p build | |
512 | test -d build/$1 || mkdir -p build/$1 | |
513 | ||
514 | file=build/$1/Makefile | |
515 | ||
516 | dnl # Example command line to manually build source. | |
517 | cat - <<_ACEOF >$file | |
518 | # Example command line to manually build source | |
519 | # make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/$1 | |
520 | ||
521 | ccflags-y := -Werror $FRAME_LARGER_THAN | |
522 | _ACEOF | |
523 | ||
524 | dnl # Additional custom CFLAGS as requested. | |
525 | m4_ifval($3, [echo "ccflags-y += $3" >>$file], []) | |
526 | ||
527 | dnl # Test case source | |
528 | echo "obj-m := $1.o" >>$file | |
529 | ||
530 | AS_IF([test "x$2" = "xyes"], [echo "obj-m += $1/" >>build/Makefile], []) | |
b58986ee BB |
531 | ]) |
532 | ||
e5b85622 | 533 | dnl # |
608f8749 | 534 | dnl # ZFS_LINUX_TEST_PROGRAM(C)([PROLOGUE], [BODY]) |
e5b85622 | 535 | dnl # |
608f8749 BB |
536 | m4_define([ZFS_LINUX_TEST_PROGRAM], [ |
537 | $1 | |
538 | int | |
539 | main (void) | |
540 | { | |
541 | $2 | |
542 | ; | |
543 | return 0; | |
544 | } | |
545 | ]) | |
546 | ||
e5b85622 | 547 | dnl # |
608f8749 | 548 | dnl # ZFS_LINUX_TEST_REMOVE |
e5b85622 | 549 | dnl # |
608f8749 BB |
550 | dnl # Removes the specified test source and results. |
551 | dnl # | |
552 | AC_DEFUN([ZFS_LINUX_TEST_REMOVE], [ | |
553 | test -d build/$1 && rm -Rf build/$1 | |
554 | test -f build/Makefile && sed '/$1/d' build/Makefile | |
555 | ]) | |
e5b85622 | 556 | |
608f8749 BB |
557 | dnl # |
558 | dnl # ZFS_LINUX_COMPILE | |
559 | dnl # | |
560 | dnl # $1 - build dir | |
561 | dnl # $2 - test command | |
562 | dnl # $3 - pass command | |
563 | dnl # $4 - fail command | |
564 | dnl # $5 - set KBUILD_MODPOST_NOFINAL='yes' | |
565 | dnl # $6 - set KBUILD_MODPOST_WARN='yes' | |
566 | dnl # | |
567 | dnl # Used internally by ZFS_LINUX_TEST_{COMPILE,MODPOST} | |
568 | dnl # | |
569 | AC_DEFUN([ZFS_LINUX_COMPILE], [ | |
570 | AC_TRY_COMMAND([ | |
571 | KBUILD_MODPOST_NOFINAL="$5" KBUILD_MODPOST_WARN="$6" | |
572 | make modules -k -j$TEST_JOBS -C $LINUX_OBJ $ARCH_UM | |
db0ad393 | 573 | M=$PWD/$1 >$1/build.log 2>&1]) |
608f8749 | 574 | AS_IF([AC_TRY_COMMAND([$2])], [$3], [$4]) |
c9c0d073 BB |
575 | ]) |
576 | ||
577 | dnl # | |
608f8749 | 578 | dnl # ZFS_LINUX_TEST_COMPILE |
93ce2b4c | 579 | dnl # |
608f8749 | 580 | dnl # Perform a full compile excluding the final modpost phase. |
93ce2b4c | 581 | dnl # |
608f8749 BB |
582 | AC_DEFUN([ZFS_LINUX_TEST_COMPILE], [ |
583 | ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ | |
584 | mv $2/Makefile $2/Makefile.compile.$1 | |
585 | mv $2/build.log $2/build.log.$1 | |
93ce2b4c | 586 | ],[ |
608f8749 BB |
587 | AC_MSG_ERROR([ |
588 | *** Unable to compile test source to determine kernel interfaces.]) | |
589 | ], [yes], []) | |
93ce2b4c BB |
590 | ]) |
591 | ||
592 | dnl # | |
608f8749 | 593 | dnl # ZFS_LINUX_TEST_MODPOST |
c9c0d073 | 594 | dnl # |
608f8749 BB |
595 | dnl # Perform a full compile including the modpost phase. This may |
596 | dnl # be an incremental build if the objects have already been built. | |
597 | dnl # | |
598 | AC_DEFUN([ZFS_LINUX_TEST_MODPOST], [ | |
599 | ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ | |
600 | mv $2/Makefile $2/Makefile.modpost.$1 | |
601 | cat $2/build.log >>build/build.log.$1 | |
602 | ],[ | |
603 | AC_MSG_ERROR([ | |
604 | *** Unable to modpost test source to determine kernel interfaces.]) | |
605 | ], [], [yes]) | |
0b39b9f9 PS |
606 | ]) |
607 | ||
608 | dnl # | |
608f8749 | 609 | dnl # Perform the compilation of the test cases in two phases. |
0b39b9f9 | 610 | dnl # |
608f8749 BB |
611 | dnl # Phase 1) attempt to build the object files for all of the tests |
612 | dnl # defined by the ZFS_LINUX_TEST_SRC macro. But do not | |
613 | dnl # perform the final modpost stage. | |
614 | dnl # | |
615 | dnl # Phase 2) disable all tests which failed the initial compilation, | |
616 | dnl # then invoke the final modpost step for the remaining tests. | |
617 | dnl # | |
618 | dnl # This allows us efficiently build the test cases in parallel while | |
619 | dnl # remaining resilient to build failures which are expected when | |
620 | dnl # detecting the available kernel interfaces. | |
621 | dnl # | |
622 | dnl # The maximum allowed parallelism can be controlled by setting the | |
623 | dnl # TEST_JOBS environment variable. Otherwise, it default to $(nproc). | |
624 | dnl # | |
625 | AC_DEFUN([ZFS_LINUX_TEST_COMPILE_ALL], [ | |
626 | dnl # Phase 1 - Compilation only, final linking is skipped. | |
627 | ZFS_LINUX_TEST_COMPILE([$1], [build]) | |
628 | ||
629 | dnl # | |
630 | dnl # Phase 2 - When building external modules disable test cases | |
631 | dnl # which failed to compile and invoke modpost to verify the | |
632 | dnl # final linking. | |
633 | dnl # | |
634 | dnl # Test names suffixed with '_license' call modpost independently | |
635 | dnl # to ensure that a single incompatibility does not result in the | |
636 | dnl # modpost phase exiting early. This check is not performed on | |
637 | dnl # every symbol since the majority are compatible and doing so | |
638 | dnl # would significantly slow down this phase. | |
639 | dnl # | |
640 | dnl # When configuring for builtin (--enable-linux-builtin) | |
641 | dnl # fake the linking step artificially create the expected .ko | |
642 | dnl # files for tests which did compile. This is required for | |
643 | dnl # kernels which do not have loadable module support or have | |
644 | dnl # not yet been built. | |
645 | dnl # | |
646 | AS_IF([test "x$enable_linux_builtin" = "xno"], [ | |
647 | for dir in $(awk '/^obj-m/ { print [$]3 }' \ | |
648 | build/Makefile.compile.$1); do | |
649 | name=${dir%/} | |
650 | AS_IF([test -f build/$name/$name.o], [ | |
651 | AS_IF([test "${name##*_}" = "license"], [ | |
652 | ZFS_LINUX_TEST_MODPOST([$1], | |
653 | [build/$name]) | |
654 | echo "obj-n += $dir" >>build/Makefile | |
655 | ], [ | |
656 | echo "obj-m += $dir" >>build/Makefile | |
657 | ]) | |
658 | ], [ | |
659 | echo "obj-n += $dir" >>build/Makefile | |
660 | ]) | |
661 | done | |
662 | ||
663 | ZFS_LINUX_TEST_MODPOST([$1], [build]) | |
664 | ], [ | |
665 | for dir in $(awk '/^obj-m/ { print [$]3 }' \ | |
666 | build/Makefile.compile.$1); do | |
667 | name=${dir%/} | |
668 | AS_IF([test -f build/$name/$name.o], [ | |
669 | touch build/$name/$name.ko | |
670 | ]) | |
671 | done | |
672 | ]) | |
c9c0d073 BB |
673 | ]) |
674 | ||
675 | dnl # | |
608f8749 | 676 | dnl # ZFS_LINUX_TEST_SRC |
c9c0d073 | 677 | dnl # |
608f8749 BB |
678 | dnl # $1 - name |
679 | dnl # $2 - global | |
680 | dnl # $3 - source | |
681 | dnl # $4 - extra cflags | |
682 | dnl # $5 - check license-compatibility | |
683 | dnl # | |
684 | dnl # N.B because all of the test cases are compiled in parallel they | |
685 | dnl # must never depend on the results of previous tests. Each test | |
686 | dnl # needs to be entirely independent. | |
687 | dnl # | |
688 | AC_DEFUN([ZFS_LINUX_TEST_SRC], [ | |
689 | ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM([[$2]], [[$3]])], [$1]) | |
690 | ZFS_LINUX_CONFTEST_MAKEFILE([$1], [yes], [$4]) | |
691 | ||
692 | AS_IF([ test -n "$5" ], [ | |
693 | ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM([[ | |
694 | #include <linux/module.h> | |
695 | MODULE_LICENSE("$5"); | |
696 | $2]], [[$3]])], [$1_license]) | |
697 | ZFS_LINUX_CONFTEST_MAKEFILE([$1_license], [yes], [$4]) | |
698 | ]) | |
c9c0d073 BB |
699 | ]) |
700 | ||
701 | dnl # | |
608f8749 | 702 | dnl # ZFS_LINUX_TEST_RESULT |
c9c0d073 | 703 | dnl # |
608f8749 BB |
704 | dnl # $1 - name of a test source (ZFS_LINUX_TEST_SRC) |
705 | dnl # $2 - run on success (valid .ko generated) | |
706 | dnl # $3 - run on failure (unable to compile) | |
707 | dnl # | |
708 | AC_DEFUN([ZFS_LINUX_TEST_RESULT], [ | |
709 | AS_IF([test -d build/$1], [ | |
710 | AS_IF([test -f build/$1/$1.ko], [$2], [$3]) | |
711 | ], [ | |
712 | AC_MSG_ERROR([ | |
713 | *** No matching source for the "$1" test, check that | |
714 | *** both the test source and result macros refer to the same name. | |
715 | ]) | |
716 | ]) | |
c9c0d073 BB |
717 | ]) |
718 | ||
719 | dnl # | |
608f8749 | 720 | dnl # ZFS_LINUX_TEST_ERROR |
c9c0d073 | 721 | dnl # |
608f8749 BB |
722 | dnl # Generic error message which can be used when none of the expected |
723 | dnl # kernel interfaces were detected. | |
724 | dnl # | |
725 | AC_DEFUN([ZFS_LINUX_TEST_ERROR], [ | |
726 | AC_MSG_ERROR([ | |
727 | *** None of the expected "$1" interfaces were detected. | |
728 | *** This may be because your kernel version is newer than what is | |
729 | *** supported, or you are using a patched custom kernel with | |
730 | *** incompatible modifications. | |
731 | *** | |
732 | *** ZFS Version: $ZFS_META_ALIAS | |
733 | *** Compatible Kernels: $ZFS_META_KVER_MIN - $ZFS_META_KVER_MAX | |
734 | ]) | |
c9c0d073 BB |
735 | ]) |
736 | ||
737 | dnl # | |
608f8749 | 738 | dnl # ZFS_LINUX_TEST_RESULT_SYMBOL |
c9c0d073 | 739 | dnl # |
608f8749 BB |
740 | dnl # Like ZFS_LINUX_TEST_RESULT except ZFS_CHECK_SYMBOL_EXPORT is called to |
741 | dnl # verify symbol exports, unless --enable-linux-builtin was provided to | |
742 | dnl # configure. | |
743 | dnl # | |
744 | AC_DEFUN([ZFS_LINUX_TEST_RESULT_SYMBOL], [ | |
745 | AS_IF([ ! test -f build/$1/$1.ko], [ | |
746 | $5 | |
747 | ], [ | |
748 | AS_IF([test "x$enable_linux_builtin" != "xyes"], [ | |
749 | ZFS_CHECK_SYMBOL_EXPORT([$2], [$3], [$4], [$5]) | |
750 | ], [ | |
751 | $4 | |
752 | ]) | |
c9c0d073 BB |
753 | ]) |
754 | ]) | |
755 | ||
608f8749 BB |
756 | dnl # |
757 | dnl # ZFS_LINUX_COMPILE_IFELSE | |
758 | dnl # | |
759 | AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ | |
760 | ZFS_LINUX_TEST_REMOVE([conftest]) | |
761 | ||
762 | m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1], [conftest])]) | |
763 | m4_ifvaln([$5], [ZFS_LINUX_CONFTEST_H([$5], [conftest])], | |
764 | [ZFS_LINUX_CONFTEST_H([], [conftest])]) | |
765 | ||
766 | ZFS_LINUX_CONFTEST_MAKEFILE([conftest], [no], | |
767 | [m4_ifvaln([$5], [-I$PWD/build/conftest], [])]) | |
768 | ZFS_LINUX_COMPILE([build/conftest], [$2], [$3], [$4], [], []) | |
769 | ]) | |
770 | ||
771 | dnl # | |
772 | dnl # ZFS_LINUX_TRY_COMPILE | |
773 | dnl # | |
774 | dnl # $1 - global | |
775 | dnl # $2 - source | |
776 | dnl # $3 - run on success (valid .ko generated) | |
777 | dnl # $4 - run on failure (unable to compile) | |
778 | dnl # | |
3f99a3ab BB |
779 | dnl # When configuring as builtin (--enable-linux-builtin) for kernels |
780 | dnl # without loadable module support (CONFIG_MODULES=n) only the object | |
781 | dnl # file is created. See ZFS_LINUX_TEST_COMPILE_ALL for details. | |
782 | dnl # | |
608f8749 | 783 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE], [ |
3f99a3ab BB |
784 | AS_IF([test "x$enable_linux_builtin" = "xyes"], [ |
785 | ZFS_LINUX_COMPILE_IFELSE( | |
786 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]])], | |
787 | [test -f build/conftest/conftest.o], [$3], [$4]) | |
788 | ], [ | |
789 | ZFS_LINUX_COMPILE_IFELSE( | |
790 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]])], | |
791 | [test -f build/conftest/conftest.ko], [$3], [$4]) | |
792 | ]) | |
608f8749 BB |
793 | ]) |
794 | ||
c9c0d073 BB |
795 | dnl # |
796 | dnl # ZFS_CHECK_SYMBOL_EXPORT | |
608f8749 BB |
797 | dnl # |
798 | dnl # Check if a symbol is exported on not by consulting the symbols | |
799 | dnl # file, or optionally the source code. | |
c9c0d073 | 800 | dnl # |
70574182 | 801 | AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [ |
c9c0d073 BB |
802 | grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ |
803 | $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null | |
804 | rc=$? | |
70574182 | 805 | if test $rc -ne 0; then |
c9c0d073 BB |
806 | export=0 |
807 | for file in $2; do | |
70574182 ED |
808 | grep -q -E "EXPORT_SYMBOL.*($1)" \ |
809 | "$LINUX/$file" 2>/dev/null | |
c9c0d073 | 810 | rc=$? |
70574182 | 811 | if test $rc -eq 0; then |
8366cd6a PS |
812 | export=1 |
813 | break; | |
70574182 | 814 | fi |
c9c0d073 | 815 | done |
70574182 | 816 | if test $export -eq 0; then : |
c9c0d073 | 817 | $4 |
70574182 | 818 | else : |
c9c0d073 | 819 | $3 |
70574182 ED |
820 | fi |
821 | else : | |
c9c0d073 | 822 | $3 |
70574182 ED |
823 | fi |
824 | ]) | |
825 | ||
826 | dnl # | |
827 | dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL | |
608f8749 BB |
828 | dnl # |
829 | dnl # Like ZFS_LINUX_TRY_COMPILER except ZFS_CHECK_SYMBOL_EXPORT is called | |
830 | dnl # to verify symbol exports, unless --enable-linux-builtin was provided | |
831 | dnl # to configure. | |
70574182 ED |
832 | dnl # |
833 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [ | |
834 | ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1]) | |
835 | if test $rc -ne 0; then : | |
836 | $6 | |
837 | else | |
838 | if test "x$enable_linux_builtin" != xyes; then | |
839 | ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1]) | |
840 | fi | |
841 | if test $rc -ne 0; then : | |
842 | $6 | |
843 | else : | |
844 | $5 | |
845 | fi | |
846 | fi | |
c9c0d073 | 847 | ]) |
0b39b9f9 PS |
848 | |
849 | dnl # | |
850 | dnl # ZFS_LINUX_TRY_COMPILE_HEADER | |
851 | dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are | |
852 | dnl # provided via the fifth parameter | |
853 | dnl # | |
608f8749 BB |
854 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], [ |
855 | ZFS_LINUX_COMPILE_IFELSE( | |
856 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]])], | |
857 | [test -f build/conftest/conftest.ko], | |
858 | [$3], [$4], [$5]) | |
0b39b9f9 | 859 | ]) |