]>
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 | |
8c7d604c | 16 | ZFS_AC_KERNEL_OBJTOOL_HEADER |
9f0a21e6 MM |
17 | ZFS_AC_KERNEL_WAIT_QUEUE_ENTRY_T |
18 | ZFS_AC_KERNEL_MISC_MINOR | |
19 | ZFS_AC_KERNEL_DECLARE_EVENT_CLASS | |
608f8749 | 20 | |
9f0a21e6 MM |
21 | dnl # Parallel ZFS_LINUX_TEST_SRC / ZFS_LINUX_TEST_RESULT tests |
22 | ZFS_AC_KERNEL_TEST_SRC | |
23 | ZFS_AC_KERNEL_TEST_RESULT | |
608f8749 | 24 | |
9f0a21e6 MM |
25 | AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
26 | KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ" | |
27 | ]) | |
608f8749 | 28 | |
9f0a21e6 MM |
29 | AC_SUBST(KERNEL_MAKE) |
30 | ]) | |
608f8749 BB |
31 | ]) |
32 | ||
33 | dnl # | |
34 | dnl # Generate and compile all of the kernel API test cases to determine | |
35 | dnl # which interfaces are available. By invoking the kernel build system | |
36 | dnl # only once the compilation can be done in parallel significantly | |
37 | dnl # speeding up the process. | |
38 | dnl # | |
39 | AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [ | |
40 | ZFS_AC_KERNEL_SRC_OBJTOOL | |
41 | ZFS_AC_KERNEL_SRC_GLOBAL_PAGE_STATE | |
42 | ZFS_AC_KERNEL_SRC_ACCESS_OK_TYPE | |
608f8749 BB |
43 | ZFS_AC_KERNEL_SRC_PDE_DATA |
44 | ZFS_AC_KERNEL_SRC_FALLOCATE | |
45 | ZFS_AC_KERNEL_SRC_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE | |
46 | ZFS_AC_KERNEL_SRC_RWSEM | |
47 | ZFS_AC_KERNEL_SRC_SCHED | |
48 | ZFS_AC_KERNEL_SRC_USLEEP_RANGE | |
49 | ZFS_AC_KERNEL_SRC_KMEM_CACHE | |
66955885 | 50 | ZFS_AC_KERNEL_SRC_KVMALLOC |
080102a1 | 51 | ZFS_AC_KERNEL_SRC_VMALLOC_PAGE_KERNEL |
608f8749 BB |
52 | ZFS_AC_KERNEL_SRC_WAIT |
53 | ZFS_AC_KERNEL_SRC_INODE_TIMES | |
54 | ZFS_AC_KERNEL_SRC_INODE_LOCK | |
55 | ZFS_AC_KERNEL_SRC_GROUP_INFO_GID | |
56 | ZFS_AC_KERNEL_SRC_RW | |
57 | ZFS_AC_KERNEL_SRC_TIMER_SETUP | |
608f8749 | 58 | ZFS_AC_KERNEL_SRC_SUPER_USER_NS |
0dd73648 | 59 | ZFS_AC_KERNEL_SRC_PROC_OPERATIONS |
608f8749 | 60 | ZFS_AC_KERNEL_SRC_BLOCK_DEVICE_OPERATIONS |
066e8252 BB |
61 | ZFS_AC_KERNEL_SRC_BIO |
62 | ZFS_AC_KERNEL_SRC_BLKDEV | |
63 | ZFS_AC_KERNEL_SRC_BLK_QUEUE | |
19697e45 | 64 | ZFS_AC_KERNEL_SRC_REVALIDATE_DISK |
608f8749 BB |
65 | ZFS_AC_KERNEL_SRC_GET_DISK_RO |
66 | ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL | |
67 | ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY | |
68 | ZFS_AC_KERNEL_SRC_INODE_OWNER_OR_CAPABLE | |
69 | ZFS_AC_KERNEL_SRC_XATTR | |
70 | ZFS_AC_KERNEL_SRC_ACL | |
71 | ZFS_AC_KERNEL_SRC_INODE_GETATTR | |
72 | ZFS_AC_KERNEL_SRC_INODE_SET_FLAGS | |
73 | ZFS_AC_KERNEL_SRC_INODE_SET_IVERSION | |
74 | ZFS_AC_KERNEL_SRC_SHOW_OPTIONS | |
75 | ZFS_AC_KERNEL_SRC_FILE_INODE | |
76 | ZFS_AC_KERNEL_SRC_FILE_DENTRY | |
77 | ZFS_AC_KERNEL_SRC_FSYNC | |
78 | ZFS_AC_KERNEL_SRC_AIO_FSYNC | |
79 | ZFS_AC_KERNEL_SRC_EVICT_INODE | |
80 | ZFS_AC_KERNEL_SRC_DIRTY_INODE | |
81 | ZFS_AC_KERNEL_SRC_SHRINKER | |
e2a82961 | 82 | ZFS_AC_KERNEL_SRC_MKDIR |
066e8252 | 83 | ZFS_AC_KERNEL_SRC_LOOKUP_FLAGS |
e2a82961 | 84 | ZFS_AC_KERNEL_SRC_CREATE |
608f8749 BB |
85 | ZFS_AC_KERNEL_SRC_GET_LINK |
86 | ZFS_AC_KERNEL_SRC_PUT_LINK | |
87 | ZFS_AC_KERNEL_SRC_TMPFILE | |
608f8749 BB |
88 | ZFS_AC_KERNEL_SRC_AUTOMOUNT |
89 | ZFS_AC_KERNEL_SRC_ENCODE_FH_WITH_INODE | |
90 | ZFS_AC_KERNEL_SRC_COMMIT_METADATA | |
91 | ZFS_AC_KERNEL_SRC_CLEAR_INODE | |
92 | ZFS_AC_KERNEL_SRC_SETATTR_PREPARE | |
93 | ZFS_AC_KERNEL_SRC_INSERT_INODE_LOCKED | |
94 | ZFS_AC_KERNEL_SRC_DENTRY | |
95 | ZFS_AC_KERNEL_SRC_TRUNCATE_SETSIZE | |
96 | ZFS_AC_KERNEL_SRC_SECURITY_INODE | |
97 | ZFS_AC_KERNEL_SRC_FST_MOUNT | |
98 | ZFS_AC_KERNEL_SRC_BDI | |
99 | ZFS_AC_KERNEL_SRC_SET_NLINK | |
608f8749 BB |
100 | ZFS_AC_KERNEL_SRC_SGET |
101 | ZFS_AC_KERNEL_SRC_LSEEK_EXECUTE | |
102 | ZFS_AC_KERNEL_SRC_VFS_GETATTR | |
103 | ZFS_AC_KERNEL_SRC_VFS_FSYNC_2ARGS | |
104 | ZFS_AC_KERNEL_SRC_VFS_ITERATE | |
105 | ZFS_AC_KERNEL_SRC_VFS_DIRECT_IO | |
106 | ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE | |
107 | ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS | |
1c2358c1 | 108 | ZFS_AC_KERNEL_SRC_VFS_IOV_ITER |
608f8749 BB |
109 | ZFS_AC_KERNEL_SRC_KMAP_ATOMIC_ARGS |
110 | ZFS_AC_KERNEL_SRC_FOLLOW_DOWN_ONE | |
111 | ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN | |
112 | ZFS_AC_KERNEL_SRC_GENERIC_IO_ACCT | |
113 | ZFS_AC_KERNEL_SRC_FPU | |
114 | ZFS_AC_KERNEL_SRC_FMODE_T | |
115 | ZFS_AC_KERNEL_SRC_KUIDGID_T | |
116 | ZFS_AC_KERNEL_SRC_KUID_HELPERS | |
117 | ZFS_AC_KERNEL_SRC_MODULE_PARAM_CALL_CONST | |
e2a82961 | 118 | ZFS_AC_KERNEL_SRC_RENAME |
608f8749 BB |
119 | ZFS_AC_KERNEL_SRC_CURRENT_TIME |
120 | ZFS_AC_KERNEL_SRC_USERNS_CAPABILITIES | |
121 | ZFS_AC_KERNEL_SRC_IN_COMPAT_SYSCALL | |
ff5587d6 | 122 | ZFS_AC_KERNEL_SRC_KTIME |
608f8749 BB |
123 | ZFS_AC_KERNEL_SRC_TOTALRAM_PAGES_FUNC |
124 | ZFS_AC_KERNEL_SRC_TOTALHIGH_PAGES | |
125 | ZFS_AC_KERNEL_SRC_KSTRTOUL | |
ec1fea45 | 126 | ZFS_AC_KERNEL_SRC_PERCPU |
60a4c7d2 | 127 | ZFS_AC_KERNEL_SRC_CPU_HOTPLUG |
e2a82961 CK |
128 | ZFS_AC_KERNEL_SRC_GENERIC_FILLATTR_USERNS |
129 | ZFS_AC_KERNEL_SRC_MKNOD | |
130 | ZFS_AC_KERNEL_SRC_SYMLINK | |
608f8749 BB |
131 | |
132 | AC_MSG_CHECKING([for available kernel interfaces]) | |
133 | ZFS_LINUX_TEST_COMPILE_ALL([kabi]) | |
134 | AC_MSG_RESULT([done]) | |
135 | ]) | |
136 | ||
137 | dnl # | |
138 | dnl # Check results of kernel interface tests. | |
139 | dnl # | |
140 | AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [ | |
141 | ZFS_AC_KERNEL_ACCESS_OK_TYPE | |
142 | ZFS_AC_KERNEL_GLOBAL_PAGE_STATE | |
650383f2 | 143 | ZFS_AC_KERNEL_OBJTOOL |
93ce2b4c | 144 | ZFS_AC_KERNEL_PDE_DATA |
93ce2b4c BB |
145 | ZFS_AC_KERNEL_FALLOCATE |
146 | ZFS_AC_KERNEL_2ARGS_ZLIB_DEFLATE_WORKSPACESIZE | |
608f8749 BB |
147 | ZFS_AC_KERNEL_RWSEM |
148 | ZFS_AC_KERNEL_SCHED | |
93ce2b4c | 149 | ZFS_AC_KERNEL_USLEEP_RANGE |
608f8749 | 150 | ZFS_AC_KERNEL_KMEM_CACHE |
66955885 | 151 | ZFS_AC_KERNEL_KVMALLOC |
080102a1 | 152 | ZFS_AC_KERNEL_VMALLOC_PAGE_KERNEL |
608f8749 | 153 | ZFS_AC_KERNEL_WAIT |
6413c95f | 154 | ZFS_AC_KERNEL_INODE_TIMES |
93ce2b4c BB |
155 | ZFS_AC_KERNEL_INODE_LOCK |
156 | ZFS_AC_KERNEL_GROUP_INFO_GID | |
608f8749 | 157 | ZFS_AC_KERNEL_RW |
8b8b44d0 | 158 | ZFS_AC_KERNEL_TIMER_SETUP |
938cfeb0 | 159 | ZFS_AC_KERNEL_SUPER_USER_NS |
0dd73648 | 160 | ZFS_AC_KERNEL_PROC_OPERATIONS |
608f8749 | 161 | ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS |
066e8252 BB |
162 | ZFS_AC_KERNEL_BIO |
163 | ZFS_AC_KERNEL_BLKDEV | |
164 | ZFS_AC_KERNEL_BLK_QUEUE | |
19697e45 | 165 | ZFS_AC_KERNEL_REVALIDATE_DISK |
c9c0d073 | 166 | ZFS_AC_KERNEL_GET_DISK_RO |
a5e046ea | 167 | ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL |
ee5fd0bb | 168 | ZFS_AC_KERNEL_DISCARD_GRANULARITY |
023699cd | 169 | ZFS_AC_KERNEL_INODE_OWNER_OR_CAPABLE |
608f8749 BB |
170 | ZFS_AC_KERNEL_XATTR |
171 | ZFS_AC_KERNEL_ACL | |
172 | ZFS_AC_KERNEL_INODE_GETATTR | |
a5248129 | 173 | ZFS_AC_KERNEL_INODE_SET_FLAGS |
18f57327 | 174 | ZFS_AC_KERNEL_INODE_SET_IVERSION |
47621f3d | 175 | ZFS_AC_KERNEL_SHOW_OPTIONS |
534759fa | 176 | ZFS_AC_KERNEL_FILE_INODE |
d9c97ec0 | 177 | ZFS_AC_KERNEL_FILE_DENTRY |
adcd70bd | 178 | ZFS_AC_KERNEL_FSYNC |
7ca25051 | 179 | ZFS_AC_KERNEL_AIO_FSYNC |
608f8749 BB |
180 | ZFS_AC_KERNEL_EVICT_INODE |
181 | ZFS_AC_KERNEL_DIRTY_INODE | |
182 | ZFS_AC_KERNEL_SHRINKER | |
e2a82961 | 183 | ZFS_AC_KERNEL_MKDIR |
066e8252 | 184 | ZFS_AC_KERNEL_LOOKUP_FLAGS |
e2a82961 | 185 | ZFS_AC_KERNEL_CREATE |
beeed459 | 186 | ZFS_AC_KERNEL_GET_LINK |
bd29109f | 187 | ZFS_AC_KERNEL_PUT_LINK |
ace1eae8 | 188 | ZFS_AC_KERNEL_TMPFILE |
ebe7e575 | 189 | ZFS_AC_KERNEL_AUTOMOUNT |
756c3e5a | 190 | ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE |
393b44c7 | 191 | ZFS_AC_KERNEL_COMMIT_METADATA |
739a1a82 | 192 | ZFS_AC_KERNEL_CLEAR_INODE |
3b0ba3ba | 193 | ZFS_AC_KERNEL_SETATTR_PREPARE |
bdf4328b | 194 | ZFS_AC_KERNEL_INSERT_INODE_LOCKED |
608f8749 | 195 | ZFS_AC_KERNEL_DENTRY |
b3129792 | 196 | ZFS_AC_KERNEL_TRUNCATE_SETSIZE |
608f8749 | 197 | ZFS_AC_KERNEL_SECURITY_INODE |
93b43af1 | 198 | ZFS_AC_KERNEL_FST_MOUNT |
7dae2c81 | 199 | ZFS_AC_KERNEL_BDI |
28eb9213 | 200 | ZFS_AC_KERNEL_SET_NLINK |
608f8749 | 201 | ZFS_AC_KERNEL_SGET |
802e7b5f | 202 | ZFS_AC_KERNEL_LSEEK_EXECUTE |
608f8749 BB |
203 | ZFS_AC_KERNEL_VFS_GETATTR |
204 | ZFS_AC_KERNEL_VFS_FSYNC_2ARGS | |
0f37d0c8 | 205 | ZFS_AC_KERNEL_VFS_ITERATE |
a584ef26 | 206 | ZFS_AC_KERNEL_VFS_DIRECT_IO |
608f8749 BB |
207 | ZFS_AC_KERNEL_VFS_RW_ITERATE |
208 | ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS | |
1c2358c1 | 209 | ZFS_AC_KERNEL_VFS_IOV_ITER |
17888ae3 | 210 | ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS |
278bee93 | 211 | ZFS_AC_KERNEL_FOLLOW_DOWN_ONE |
37f9dac5 | 212 | ZFS_AC_KERNEL_MAKE_REQUEST_FN |
608f8749 | 213 | ZFS_AC_KERNEL_GENERIC_IO_ACCT |
fc0c72b1 | 214 | ZFS_AC_KERNEL_FPU |
608f8749 BB |
215 | ZFS_AC_KERNEL_FMODE_T |
216 | ZFS_AC_KERNEL_KUIDGID_T | |
82a1b2d6 | 217 | ZFS_AC_KERNEL_KUID_HELPERS |
9cc1844a | 218 | ZFS_AC_KERNEL_MODULE_PARAM_CALL_CONST |
e2a82961 | 219 | ZFS_AC_KERNEL_RENAME |
2946a1a1 | 220 | ZFS_AC_KERNEL_CURRENT_TIME |
0e85048f | 221 | ZFS_AC_KERNEL_USERNS_CAPABILITIES |
e897a23e | 222 | ZFS_AC_KERNEL_IN_COMPAT_SYSCALL |
ff5587d6 | 223 | ZFS_AC_KERNEL_KTIME |
031cea17 | 224 | ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC |
de3e0b91 | 225 | ZFS_AC_KERNEL_TOTALHIGH_PAGES |
8708fd88 | 226 | ZFS_AC_KERNEL_KSTRTOUL |
ec1fea45 | 227 | ZFS_AC_KERNEL_PERCPU |
60a4c7d2 | 228 | ZFS_AC_KERNEL_CPU_HOTPLUG |
e2a82961 CK |
229 | ZFS_AC_KERNEL_GENERIC_FILLATTR_USERNS |
230 | ZFS_AC_KERNEL_MKNOD | |
231 | ZFS_AC_KERNEL_SYMLINK | |
c9c0d073 BB |
232 | ]) |
233 | ||
234 | dnl # | |
235 | dnl # Detect name used for Module.symvers file in kernel | |
236 | dnl # | |
237 | AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ | |
238 | modpost=$LINUX/scripts/Makefile.modpost | |
239 | AC_MSG_CHECKING([kernel file name for module symbols]) | |
319a99a3 | 240 | AS_IF([test "x$enable_linux_builtin" != xyes -a -f "$modpost"], [ |
8366cd6a | 241 | AS_IF([grep -q Modules.symvers $modpost], [ |
c9c0d073 | 242 | LINUX_SYMBOLS=Modules.symvers |
8366cd6a | 243 | ], [ |
c9c0d073 | 244 | LINUX_SYMBOLS=Module.symvers |
8366cd6a | 245 | ]) |
a60b1c0a | 246 | |
8366cd6a | 247 | AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ |
a60b1c0a BB |
248 | AC_MSG_ERROR([ |
249 | *** Please make sure the kernel devel package for your distribution | |
608f8749 BB |
250 | *** is installed. If you are building with a custom kernel, make sure |
251 | *** the kernel is configured, built, and the '--with-linux=PATH' | |
252 | *** configure option refers to the location of the kernel source. | |
253 | ]) | |
8366cd6a PS |
254 | ]) |
255 | ], [ | |
c9c0d073 | 256 | LINUX_SYMBOLS=NONE |
8366cd6a | 257 | ]) |
c9c0d073 BB |
258 | AC_MSG_RESULT($LINUX_SYMBOLS) |
259 | AC_SUBST(LINUX_SYMBOLS) | |
260 | ]) | |
261 | ||
262 | dnl # | |
263 | dnl # Detect the kernel to be built against | |
264 | dnl # | |
265 | AC_DEFUN([ZFS_AC_KERNEL], [ | |
266 | AC_ARG_WITH([linux], | |
267 | AS_HELP_STRING([--with-linux=PATH], | |
268 | [Path to kernel source]), | |
269 | [kernelsrc="$withval"]) | |
270 | ||
271 | AC_ARG_WITH(linux-obj, | |
272 | AS_HELP_STRING([--with-linux-obj=PATH], | |
273 | [Path to kernel build objects]), | |
274 | [kernelbuild="$withval"]) | |
275 | ||
276 | AC_MSG_CHECKING([kernel source directory]) | |
8366cd6a PS |
277 | AS_IF([test -z "$kernelsrc"], [ |
278 | AS_IF([test -e "/lib/modules/$(uname -r)/source"], [ | |
1b94c25c BB |
279 | headersdir="/lib/modules/$(uname -r)/source" |
280 | sourcelink=$(readlink -f "$headersdir") | |
8366cd6a | 281 | ], [test -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 282 | headersdir="/lib/modules/$(uname -r)/build" |
c9c0d073 | 283 | sourcelink=$(readlink -f "$headersdir") |
8366cd6a | 284 | ], [ |
c9c0d073 | 285 | sourcelink=$(ls -1d /usr/src/kernels/* \ |
8366cd6a | 286 | /usr/src/linux-* \ |
c9c0d073 | 287 | 2>/dev/null | grep -v obj | tail -1) |
8366cd6a | 288 | ]) |
c9c0d073 | 289 | |
8366cd6a | 290 | AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [ |
c9c0d073 | 291 | kernelsrc=`readlink -f ${sourcelink}` |
8366cd6a | 292 | ], [ |
56a517ae | 293 | kernelsrc="[Not found]" |
8366cd6a PS |
294 | ]) |
295 | ], [ | |
296 | AS_IF([test "$kernelsrc" = "NONE"], [ | |
c9c0d073 | 297 | kernsrcver=NONE |
8366cd6a | 298 | ]) |
1d8da991 | 299 | withlinux=yes |
8366cd6a | 300 | ]) |
c9c0d073 BB |
301 | |
302 | AC_MSG_RESULT([$kernelsrc]) | |
56a517ae BB |
303 | AS_IF([test ! -d "$kernelsrc"], [ |
304 | AC_MSG_ERROR([ | |
305 | *** Please make sure the kernel devel package for your distribution | |
4e95cc99 | 306 | *** is installed and then try again. If that fails, you can specify the |
56a517ae BB |
307 | *** location of the kernel source with the '--with-linux=PATH' option.]) |
308 | ]) | |
309 | ||
c9c0d073 | 310 | AC_MSG_CHECKING([kernel build directory]) |
8366cd6a | 311 | AS_IF([test -z "$kernelbuild"], [ |
1d8da991 | 312 | AS_IF([test x$withlinux != xyes -a -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 313 | kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` |
8366cd6a | 314 | ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [ |
c9c0d073 | 315 | kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} |
8366cd6a | 316 | ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [ |
70574182 | 317 | kernelbuild=${kernelsrc}-obj/${target_cpu}/default |
8366cd6a | 318 | ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [ |
c9c0d073 | 319 | kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} |
8366cd6a | 320 | ], [ |
c9c0d073 | 321 | kernelbuild=${kernelsrc} |
8366cd6a PS |
322 | ]) |
323 | ]) | |
c9c0d073 BB |
324 | AC_MSG_RESULT([$kernelbuild]) |
325 | ||
326 | AC_MSG_CHECKING([kernel source version]) | |
327 | utsrelease1=$kernelbuild/include/linux/version.h | |
328 | utsrelease2=$kernelbuild/include/linux/utsrelease.h | |
329 | utsrelease3=$kernelbuild/include/generated/utsrelease.h | |
8366cd6a | 330 | AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [ |
06346cc5 | 331 | utsrelease=$utsrelease1 |
8366cd6a | 332 | ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [ |
06346cc5 | 333 | utsrelease=$utsrelease2 |
8366cd6a | 334 | ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [ |
06346cc5 | 335 | utsrelease=$utsrelease3 |
8366cd6a | 336 | ]) |
c9c0d073 | 337 | |
06346cc5 BB |
338 | AS_IF([test -n "$utsrelease"], [ |
339 | kernsrcver=$($AWK '/UTS_RELEASE/ { gsub(/"/, "", $[3]); print $[3] }' $utsrelease) | |
8366cd6a | 340 | AS_IF([test -z "$kernsrcver"], [ |
c9c0d073 | 341 | AC_MSG_RESULT([Not found]) |
608f8749 BB |
342 | AC_MSG_ERROR([ |
343 | *** Cannot determine kernel version. | |
344 | ]) | |
8366cd6a PS |
345 | ]) |
346 | ], [ | |
c9c0d073 | 347 | AC_MSG_RESULT([Not found]) |
319a99a3 | 348 | if test "x$enable_linux_builtin" != xyes; then |
608f8749 BB |
349 | AC_MSG_ERROR([ |
350 | *** Cannot find UTS_RELEASE definition. | |
351 | ]) | |
319a99a3 ED |
352 | else |
353 | AC_MSG_ERROR([ | |
354 | *** Cannot find UTS_RELEASE definition. | |
355 | *** Please run 'make prepare' inside the kernel source tree.]) | |
356 | fi | |
8366cd6a | 357 | ]) |
c9c0d073 BB |
358 | |
359 | AC_MSG_RESULT([$kernsrcver]) | |
360 | ||
066e8252 BB |
361 | AS_VERSION_COMPARE([$kernsrcver], [$ZFS_META_KVER_MIN], [ |
362 | AC_MSG_ERROR([ | |
363 | *** Cannot build against kernel version $kernsrcver. | |
364 | *** The minimum supported kernel version is $ZFS_META_KVER_MIN. | |
365 | ]) | |
366 | ]) | |
367 | ||
c9c0d073 BB |
368 | LINUX=${kernelsrc} |
369 | LINUX_OBJ=${kernelbuild} | |
370 | LINUX_VERSION=${kernsrcver} | |
371 | ||
372 | AC_SUBST(LINUX) | |
373 | AC_SUBST(LINUX_OBJ) | |
374 | AC_SUBST(LINUX_VERSION) | |
375 | ||
376 | ZFS_AC_MODULE_SYMVERS | |
377 | ]) | |
378 | ||
6a9d6359 | 379 | dnl # |
608f8749 BB |
380 | dnl # Detect the QAT module to be built against, QAT provides hardware |
381 | dnl # acceleration for data compression: | |
382 | dnl # | |
383 | dnl # https://01.org/intel-quickassist-technology | |
384 | dnl # | |
385 | dnl # 1) Download and install QAT driver from the above link | |
386 | dnl # 2) Start QAT driver in your system: | |
387 | dnl # service qat_service start | |
388 | dnl # 3) Enable QAT in ZFS, e.g.: | |
389 | dnl # ./configure --with-qat=<qat-driver-path>/QAT1.6 | |
390 | dnl # make | |
391 | dnl # 4) Set GZIP compression in ZFS dataset: | |
392 | dnl # zfs set compression = gzip <dataset> | |
393 | dnl # | |
394 | dnl # Then the data written to this ZFS pool is compressed by QAT accelerator | |
395 | dnl # automatically, and de-compressed by QAT when read from the pool. | |
396 | dnl # | |
397 | dnl # 1) Get QAT hardware statistics with: | |
398 | dnl # cat /proc/icp_dh895xcc_dev/qat | |
399 | dnl # 2) To disable QAT: | |
400 | dnl # insmod zfs.ko zfs_qat_disable=1 | |
6a9d6359 | 401 | dnl # |
402 | AC_DEFUN([ZFS_AC_QAT], [ | |
403 | AC_ARG_WITH([qat], | |
404 | AS_HELP_STRING([--with-qat=PATH], | |
405 | [Path to qat source]), | |
406 | AS_IF([test "$withval" = "yes"], | |
407 | AC_MSG_ERROR([--with-qat=PATH requires a PATH]), | |
408 | [qatsrc="$withval"])) | |
409 | ||
410 | AC_ARG_WITH([qat-obj], | |
411 | AS_HELP_STRING([--with-qat-obj=PATH], | |
412 | [Path to qat build objects]), | |
413 | [qatbuild="$withval"]) | |
414 | ||
415 | AS_IF([test ! -z "${qatsrc}"], [ | |
416 | AC_MSG_CHECKING([qat source directory]) | |
417 | AC_MSG_RESULT([$qatsrc]) | |
418 | QAT_SRC="${qatsrc}/quickassist" | |
419 | AS_IF([ test ! -e "$QAT_SRC/include/cpa.h"], [ | |
420 | AC_MSG_ERROR([ | |
608f8749 BB |
421 | *** Please make sure the qat driver package is installed |
422 | *** and specify the location of the qat source with the | |
423 | *** '--with-qat=PATH' option then try again. Failed to | |
424 | *** find cpa.h in: | |
425 | ${QAT_SRC}/include]) | |
6a9d6359 | 426 | ]) |
427 | ]) | |
428 | ||
429 | AS_IF([test ! -z "${qatsrc}"], [ | |
430 | AC_MSG_CHECKING([qat build directory]) | |
431 | AS_IF([test -z "$qatbuild"], [ | |
432 | qatbuild="${qatsrc}/build" | |
433 | ]) | |
434 | ||
435 | AC_MSG_RESULT([$qatbuild]) | |
436 | QAT_OBJ=${qatbuild} | |
1cfdb0e6 | 437 | AS_IF([ ! test -e "$QAT_OBJ/icp_qa_al.ko" && ! test -e "$QAT_OBJ/qat_api.ko"], [ |
6a9d6359 | 438 | AC_MSG_ERROR([ |
608f8749 BB |
439 | *** Please make sure the qat driver is installed then try again. |
440 | *** Failed to find icp_qa_al.ko or qat_api.ko in: | |
441 | $QAT_OBJ]) | |
6a9d6359 | 442 | ]) |
443 | ||
444 | AC_SUBST(QAT_SRC) | |
445 | AC_SUBST(QAT_OBJ) | |
446 | ||
447 | AC_DEFINE(HAVE_QAT, 1, | |
448 | [qat is enabled and existed]) | |
449 | ]) | |
450 | ||
451 | dnl # | |
452 | dnl # Detect the name used for the QAT Module.symvers file. | |
453 | dnl # | |
454 | AS_IF([test ! -z "${qatsrc}"], [ | |
455 | AC_MSG_CHECKING([qat file for module symbols]) | |
456 | QAT_SYMBOLS=$QAT_SRC/lookaside/access_layer/src/Module.symvers | |
457 | ||
458 | AS_IF([test -r $QAT_SYMBOLS], [ | |
459 | AC_MSG_RESULT([$QAT_SYMBOLS]) | |
460 | AC_SUBST(QAT_SYMBOLS) | |
461 | ],[ | |
608f8749 BB |
462 | AC_MSG_ERROR([ |
463 | *** Please make sure the qat driver is installed then try again. | |
464 | *** Failed to find Module.symvers in: | |
465 | $QAT_SYMBOLS | |
6a9d6359 | 466 | ]) |
467 | ]) | |
468 | ]) | |
469 | ]) | |
470 | ||
319a99a3 ED |
471 | dnl # |
472 | dnl # Basic toolchain sanity check. | |
473 | dnl # | |
608f8749 | 474 | AC_DEFUN([ZFS_AC_KERNEL_TEST_MODULE], [ |
e33045ee | 475 | AC_MSG_CHECKING([whether modules can be built]) |
608f8749 | 476 | ZFS_LINUX_TRY_COMPILE([], [], [ |
319a99a3 ED |
477 | AC_MSG_RESULT([yes]) |
478 | ],[ | |
479 | AC_MSG_RESULT([no]) | |
480 | if test "x$enable_linux_builtin" != xyes; then | |
608f8749 BB |
481 | AC_MSG_ERROR([ |
482 | *** Unable to build an empty module. | |
483 | ]) | |
319a99a3 ED |
484 | else |
485 | AC_MSG_ERROR([ | |
486 | *** Unable to build an empty module. | |
487 | *** Please run 'make scripts' inside the kernel source tree.]) | |
488 | fi | |
489 | ]) | |
490 | ]) | |
491 | ||
15805c77 | 492 | dnl # |
608f8749 | 493 | dnl # ZFS_LINUX_CONFTEST_H |
15805c77 | 494 | dnl # |
608f8749 BB |
495 | AC_DEFUN([ZFS_LINUX_CONFTEST_H], [ |
496 | test -d build/$2 || mkdir -p build/$2 | |
497 | cat - <<_ACEOF >build/$2/$2.h | |
498 | $1 | |
499 | _ACEOF | |
500 | ]) | |
e5b85622 | 501 | |
608f8749 BB |
502 | dnl # |
503 | dnl # ZFS_LINUX_CONFTEST_C | |
504 | dnl # | |
505 | AC_DEFUN([ZFS_LINUX_CONFTEST_C], [ | |
506 | test -d build/$2 || mkdir -p build/$2 | |
507 | cat confdefs.h - <<_ACEOF >build/$2/$2.c | |
508 | $1 | |
509 | _ACEOF | |
e5b85622 BB |
510 | ]) |
511 | ||
b58986ee | 512 | dnl # |
608f8749 | 513 | dnl # ZFS_LINUX_CONFTEST_MAKEFILE |
b58986ee | 514 | dnl # |
608f8749 BB |
515 | dnl # $1 - test case name |
516 | dnl # $2 - add to top-level Makefile | |
517 | dnl # $3 - additional build flags | |
b58986ee | 518 | dnl # |
608f8749 BB |
519 | AC_DEFUN([ZFS_LINUX_CONFTEST_MAKEFILE], [ |
520 | test -d build || mkdir -p build | |
521 | test -d build/$1 || mkdir -p build/$1 | |
522 | ||
523 | file=build/$1/Makefile | |
524 | ||
525 | dnl # Example command line to manually build source. | |
526 | cat - <<_ACEOF >$file | |
527 | # Example command line to manually build source | |
528 | # make modules -C $LINUX_OBJ $ARCH_UM M=$PWD/build/$1 | |
529 | ||
530 | ccflags-y := -Werror $FRAME_LARGER_THAN | |
531 | _ACEOF | |
532 | ||
533 | dnl # Additional custom CFLAGS as requested. | |
534 | m4_ifval($3, [echo "ccflags-y += $3" >>$file], []) | |
535 | ||
536 | dnl # Test case source | |
537 | echo "obj-m := $1.o" >>$file | |
538 | ||
539 | AS_IF([test "x$2" = "xyes"], [echo "obj-m += $1/" >>build/Makefile], []) | |
b58986ee BB |
540 | ]) |
541 | ||
e5b85622 | 542 | dnl # |
608f8749 | 543 | dnl # ZFS_LINUX_TEST_PROGRAM(C)([PROLOGUE], [BODY]) |
e5b85622 | 544 | dnl # |
608f8749 | 545 | m4_define([ZFS_LINUX_TEST_PROGRAM], [ |
c347fac5 | 546 | #include <linux/module.h> |
608f8749 | 547 | $1 |
c347fac5 | 548 | |
608f8749 BB |
549 | int |
550 | main (void) | |
551 | { | |
552 | $2 | |
553 | ; | |
554 | return 0; | |
555 | } | |
c347fac5 BB |
556 | |
557 | MODULE_DESCRIPTION("conftest"); | |
558 | MODULE_AUTHOR(ZFS_META_AUTHOR); | |
559 | MODULE_VERSION(ZFS_META_VERSION "-" ZFS_META_RELEASE); | |
560 | MODULE_LICENSE($3); | |
608f8749 BB |
561 | ]) |
562 | ||
e5b85622 | 563 | dnl # |
608f8749 | 564 | dnl # ZFS_LINUX_TEST_REMOVE |
e5b85622 | 565 | dnl # |
608f8749 BB |
566 | dnl # Removes the specified test source and results. |
567 | dnl # | |
568 | AC_DEFUN([ZFS_LINUX_TEST_REMOVE], [ | |
569 | test -d build/$1 && rm -Rf build/$1 | |
570 | test -f build/Makefile && sed '/$1/d' build/Makefile | |
571 | ]) | |
e5b85622 | 572 | |
608f8749 BB |
573 | dnl # |
574 | dnl # ZFS_LINUX_COMPILE | |
575 | dnl # | |
576 | dnl # $1 - build dir | |
577 | dnl # $2 - test command | |
578 | dnl # $3 - pass command | |
579 | dnl # $4 - fail command | |
580 | dnl # $5 - set KBUILD_MODPOST_NOFINAL='yes' | |
581 | dnl # $6 - set KBUILD_MODPOST_WARN='yes' | |
582 | dnl # | |
583 | dnl # Used internally by ZFS_LINUX_TEST_{COMPILE,MODPOST} | |
584 | dnl # | |
585 | AC_DEFUN([ZFS_LINUX_COMPILE], [ | |
586 | AC_TRY_COMMAND([ | |
587 | KBUILD_MODPOST_NOFINAL="$5" KBUILD_MODPOST_WARN="$6" | |
588 | make modules -k -j$TEST_JOBS -C $LINUX_OBJ $ARCH_UM | |
db0ad393 | 589 | M=$PWD/$1 >$1/build.log 2>&1]) |
608f8749 | 590 | AS_IF([AC_TRY_COMMAND([$2])], [$3], [$4]) |
c9c0d073 BB |
591 | ]) |
592 | ||
593 | dnl # | |
608f8749 | 594 | dnl # ZFS_LINUX_TEST_COMPILE |
93ce2b4c | 595 | dnl # |
608f8749 | 596 | dnl # Perform a full compile excluding the final modpost phase. |
93ce2b4c | 597 | dnl # |
608f8749 BB |
598 | AC_DEFUN([ZFS_LINUX_TEST_COMPILE], [ |
599 | ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ | |
600 | mv $2/Makefile $2/Makefile.compile.$1 | |
601 | mv $2/build.log $2/build.log.$1 | |
93ce2b4c | 602 | ],[ |
608f8749 BB |
603 | AC_MSG_ERROR([ |
604 | *** Unable to compile test source to determine kernel interfaces.]) | |
605 | ], [yes], []) | |
93ce2b4c BB |
606 | ]) |
607 | ||
608 | dnl # | |
608f8749 | 609 | dnl # ZFS_LINUX_TEST_MODPOST |
c9c0d073 | 610 | dnl # |
608f8749 BB |
611 | dnl # Perform a full compile including the modpost phase. This may |
612 | dnl # be an incremental build if the objects have already been built. | |
613 | dnl # | |
614 | AC_DEFUN([ZFS_LINUX_TEST_MODPOST], [ | |
615 | ZFS_LINUX_COMPILE([$2], [test -f $2/build.log], [ | |
616 | mv $2/Makefile $2/Makefile.modpost.$1 | |
617 | cat $2/build.log >>build/build.log.$1 | |
618 | ],[ | |
619 | AC_MSG_ERROR([ | |
620 | *** Unable to modpost test source to determine kernel interfaces.]) | |
621 | ], [], [yes]) | |
0b39b9f9 PS |
622 | ]) |
623 | ||
624 | dnl # | |
608f8749 | 625 | dnl # Perform the compilation of the test cases in two phases. |
0b39b9f9 | 626 | dnl # |
608f8749 BB |
627 | dnl # Phase 1) attempt to build the object files for all of the tests |
628 | dnl # defined by the ZFS_LINUX_TEST_SRC macro. But do not | |
629 | dnl # perform the final modpost stage. | |
630 | dnl # | |
631 | dnl # Phase 2) disable all tests which failed the initial compilation, | |
632 | dnl # then invoke the final modpost step for the remaining tests. | |
633 | dnl # | |
634 | dnl # This allows us efficiently build the test cases in parallel while | |
635 | dnl # remaining resilient to build failures which are expected when | |
636 | dnl # detecting the available kernel interfaces. | |
637 | dnl # | |
638 | dnl # The maximum allowed parallelism can be controlled by setting the | |
639 | dnl # TEST_JOBS environment variable. Otherwise, it default to $(nproc). | |
640 | dnl # | |
641 | AC_DEFUN([ZFS_LINUX_TEST_COMPILE_ALL], [ | |
642 | dnl # Phase 1 - Compilation only, final linking is skipped. | |
643 | ZFS_LINUX_TEST_COMPILE([$1], [build]) | |
644 | ||
645 | dnl # | |
646 | dnl # Phase 2 - When building external modules disable test cases | |
647 | dnl # which failed to compile and invoke modpost to verify the | |
648 | dnl # final linking. | |
649 | dnl # | |
650 | dnl # Test names suffixed with '_license' call modpost independently | |
651 | dnl # to ensure that a single incompatibility does not result in the | |
652 | dnl # modpost phase exiting early. This check is not performed on | |
653 | dnl # every symbol since the majority are compatible and doing so | |
654 | dnl # would significantly slow down this phase. | |
655 | dnl # | |
656 | dnl # When configuring for builtin (--enable-linux-builtin) | |
657 | dnl # fake the linking step artificially create the expected .ko | |
658 | dnl # files for tests which did compile. This is required for | |
659 | dnl # kernels which do not have loadable module support or have | |
660 | dnl # not yet been built. | |
661 | dnl # | |
662 | AS_IF([test "x$enable_linux_builtin" = "xno"], [ | |
663 | for dir in $(awk '/^obj-m/ { print [$]3 }' \ | |
664 | build/Makefile.compile.$1); do | |
665 | name=${dir%/} | |
666 | AS_IF([test -f build/$name/$name.o], [ | |
667 | AS_IF([test "${name##*_}" = "license"], [ | |
668 | ZFS_LINUX_TEST_MODPOST([$1], | |
669 | [build/$name]) | |
670 | echo "obj-n += $dir" >>build/Makefile | |
671 | ], [ | |
672 | echo "obj-m += $dir" >>build/Makefile | |
673 | ]) | |
674 | ], [ | |
675 | echo "obj-n += $dir" >>build/Makefile | |
676 | ]) | |
677 | done | |
678 | ||
679 | ZFS_LINUX_TEST_MODPOST([$1], [build]) | |
680 | ], [ | |
681 | for dir in $(awk '/^obj-m/ { print [$]3 }' \ | |
682 | build/Makefile.compile.$1); do | |
683 | name=${dir%/} | |
684 | AS_IF([test -f build/$name/$name.o], [ | |
685 | touch build/$name/$name.ko | |
686 | ]) | |
687 | done | |
688 | ]) | |
c9c0d073 BB |
689 | ]) |
690 | ||
691 | dnl # | |
608f8749 | 692 | dnl # ZFS_LINUX_TEST_SRC |
c9c0d073 | 693 | dnl # |
608f8749 BB |
694 | dnl # $1 - name |
695 | dnl # $2 - global | |
696 | dnl # $3 - source | |
697 | dnl # $4 - extra cflags | |
698 | dnl # $5 - check license-compatibility | |
699 | dnl # | |
c347fac5 BB |
700 | dnl # Check if the test source is buildable at all and then if it is |
701 | dnl # license compatible. | |
702 | dnl # | |
608f8749 BB |
703 | dnl # N.B because all of the test cases are compiled in parallel they |
704 | dnl # must never depend on the results of previous tests. Each test | |
705 | dnl # needs to be entirely independent. | |
706 | dnl # | |
707 | AC_DEFUN([ZFS_LINUX_TEST_SRC], [ | |
c347fac5 BB |
708 | ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM([[$2]], [[$3]], |
709 | [["Dual BSD/GPL"]])], [$1]) | |
608f8749 BB |
710 | ZFS_LINUX_CONFTEST_MAKEFILE([$1], [yes], [$4]) |
711 | ||
712 | AS_IF([ test -n "$5" ], [ | |
c347fac5 BB |
713 | ZFS_LINUX_CONFTEST_C([ZFS_LINUX_TEST_PROGRAM( |
714 | [[$2]], [[$3]], [[$5]])], [$1_license]) | |
608f8749 BB |
715 | ZFS_LINUX_CONFTEST_MAKEFILE([$1_license], [yes], [$4]) |
716 | ]) | |
c9c0d073 BB |
717 | ]) |
718 | ||
719 | dnl # | |
608f8749 | 720 | dnl # ZFS_LINUX_TEST_RESULT |
c9c0d073 | 721 | dnl # |
608f8749 BB |
722 | dnl # $1 - name of a test source (ZFS_LINUX_TEST_SRC) |
723 | dnl # $2 - run on success (valid .ko generated) | |
724 | dnl # $3 - run on failure (unable to compile) | |
725 | dnl # | |
726 | AC_DEFUN([ZFS_LINUX_TEST_RESULT], [ | |
727 | AS_IF([test -d build/$1], [ | |
728 | AS_IF([test -f build/$1/$1.ko], [$2], [$3]) | |
729 | ], [ | |
730 | AC_MSG_ERROR([ | |
731 | *** No matching source for the "$1" test, check that | |
732 | *** both the test source and result macros refer to the same name. | |
733 | ]) | |
734 | ]) | |
c9c0d073 BB |
735 | ]) |
736 | ||
737 | dnl # | |
608f8749 | 738 | dnl # ZFS_LINUX_TEST_ERROR |
c9c0d073 | 739 | dnl # |
608f8749 BB |
740 | dnl # Generic error message which can be used when none of the expected |
741 | dnl # kernel interfaces were detected. | |
742 | dnl # | |
743 | AC_DEFUN([ZFS_LINUX_TEST_ERROR], [ | |
744 | AC_MSG_ERROR([ | |
745 | *** None of the expected "$1" interfaces were detected. | |
746 | *** This may be because your kernel version is newer than what is | |
747 | *** supported, or you are using a patched custom kernel with | |
748 | *** incompatible modifications. | |
749 | *** | |
750 | *** ZFS Version: $ZFS_META_ALIAS | |
751 | *** Compatible Kernels: $ZFS_META_KVER_MIN - $ZFS_META_KVER_MAX | |
752 | ]) | |
c9c0d073 BB |
753 | ]) |
754 | ||
755 | dnl # | |
608f8749 | 756 | dnl # ZFS_LINUX_TEST_RESULT_SYMBOL |
c9c0d073 | 757 | dnl # |
608f8749 BB |
758 | dnl # Like ZFS_LINUX_TEST_RESULT except ZFS_CHECK_SYMBOL_EXPORT is called to |
759 | dnl # verify symbol exports, unless --enable-linux-builtin was provided to | |
760 | dnl # configure. | |
761 | dnl # | |
762 | AC_DEFUN([ZFS_LINUX_TEST_RESULT_SYMBOL], [ | |
763 | AS_IF([ ! test -f build/$1/$1.ko], [ | |
764 | $5 | |
765 | ], [ | |
766 | AS_IF([test "x$enable_linux_builtin" != "xyes"], [ | |
767 | ZFS_CHECK_SYMBOL_EXPORT([$2], [$3], [$4], [$5]) | |
768 | ], [ | |
769 | $4 | |
770 | ]) | |
c9c0d073 BB |
771 | ]) |
772 | ]) | |
773 | ||
608f8749 BB |
774 | dnl # |
775 | dnl # ZFS_LINUX_COMPILE_IFELSE | |
776 | dnl # | |
777 | AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ | |
778 | ZFS_LINUX_TEST_REMOVE([conftest]) | |
779 | ||
780 | m4_ifvaln([$1], [ZFS_LINUX_CONFTEST_C([$1], [conftest])]) | |
781 | m4_ifvaln([$5], [ZFS_LINUX_CONFTEST_H([$5], [conftest])], | |
782 | [ZFS_LINUX_CONFTEST_H([], [conftest])]) | |
783 | ||
784 | ZFS_LINUX_CONFTEST_MAKEFILE([conftest], [no], | |
785 | [m4_ifvaln([$5], [-I$PWD/build/conftest], [])]) | |
786 | ZFS_LINUX_COMPILE([build/conftest], [$2], [$3], [$4], [], []) | |
787 | ]) | |
788 | ||
789 | dnl # | |
790 | dnl # ZFS_LINUX_TRY_COMPILE | |
791 | dnl # | |
792 | dnl # $1 - global | |
793 | dnl # $2 - source | |
794 | dnl # $3 - run on success (valid .ko generated) | |
795 | dnl # $4 - run on failure (unable to compile) | |
796 | dnl # | |
3f99a3ab BB |
797 | dnl # When configuring as builtin (--enable-linux-builtin) for kernels |
798 | dnl # without loadable module support (CONFIG_MODULES=n) only the object | |
799 | dnl # file is created. See ZFS_LINUX_TEST_COMPILE_ALL for details. | |
800 | dnl # | |
608f8749 | 801 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE], [ |
3f99a3ab BB |
802 | AS_IF([test "x$enable_linux_builtin" = "xyes"], [ |
803 | ZFS_LINUX_COMPILE_IFELSE( | |
c347fac5 BB |
804 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
805 | [[ZFS_META_LICENSE]])], | |
3f99a3ab BB |
806 | [test -f build/conftest/conftest.o], [$3], [$4]) |
807 | ], [ | |
808 | ZFS_LINUX_COMPILE_IFELSE( | |
c347fac5 BB |
809 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], |
810 | [[ZFS_META_LICENSE]])], | |
3f99a3ab BB |
811 | [test -f build/conftest/conftest.ko], [$3], [$4]) |
812 | ]) | |
608f8749 BB |
813 | ]) |
814 | ||
c9c0d073 BB |
815 | dnl # |
816 | dnl # ZFS_CHECK_SYMBOL_EXPORT | |
608f8749 BB |
817 | dnl # |
818 | dnl # Check if a symbol is exported on not by consulting the symbols | |
819 | dnl # file, or optionally the source code. | |
c9c0d073 | 820 | dnl # |
70574182 | 821 | AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], [ |
c9c0d073 BB |
822 | grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ |
823 | $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null | |
824 | rc=$? | |
70574182 | 825 | if test $rc -ne 0; then |
c9c0d073 BB |
826 | export=0 |
827 | for file in $2; do | |
70574182 ED |
828 | grep -q -E "EXPORT_SYMBOL.*($1)" \ |
829 | "$LINUX/$file" 2>/dev/null | |
c9c0d073 | 830 | rc=$? |
70574182 | 831 | if test $rc -eq 0; then |
8366cd6a PS |
832 | export=1 |
833 | break; | |
70574182 | 834 | fi |
c9c0d073 | 835 | done |
70574182 | 836 | if test $export -eq 0; then : |
c9c0d073 | 837 | $4 |
70574182 | 838 | else : |
c9c0d073 | 839 | $3 |
70574182 ED |
840 | fi |
841 | else : | |
c9c0d073 | 842 | $3 |
70574182 ED |
843 | fi |
844 | ]) | |
845 | ||
846 | dnl # | |
847 | dnl # ZFS_LINUX_TRY_COMPILE_SYMBOL | |
608f8749 BB |
848 | dnl # |
849 | dnl # Like ZFS_LINUX_TRY_COMPILER except ZFS_CHECK_SYMBOL_EXPORT is called | |
850 | dnl # to verify symbol exports, unless --enable-linux-builtin was provided | |
851 | dnl # to configure. | |
70574182 ED |
852 | dnl # |
853 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_SYMBOL], [ | |
854 | ZFS_LINUX_TRY_COMPILE([$1], [$2], [rc=0], [rc=1]) | |
855 | if test $rc -ne 0; then : | |
856 | $6 | |
857 | else | |
858 | if test "x$enable_linux_builtin" != xyes; then | |
859 | ZFS_CHECK_SYMBOL_EXPORT([$3], [$4], [rc=0], [rc=1]) | |
860 | fi | |
861 | if test $rc -ne 0; then : | |
862 | $6 | |
863 | else : | |
864 | $5 | |
865 | fi | |
866 | fi | |
c9c0d073 | 867 | ]) |
0b39b9f9 PS |
868 | |
869 | dnl # | |
870 | dnl # ZFS_LINUX_TRY_COMPILE_HEADER | |
871 | dnl # like ZFS_LINUX_TRY_COMPILE, except the contents conftest.h are | |
872 | dnl # provided via the fifth parameter | |
873 | dnl # | |
608f8749 BB |
874 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE_HEADER], [ |
875 | ZFS_LINUX_COMPILE_IFELSE( | |
c347fac5 | 876 | [ZFS_LINUX_TEST_PROGRAM([[$1]], [[$2]], [[ZFS_META_LICENSE]])], |
608f8749 BB |
877 | [test -f build/conftest/conftest.ko], |
878 | [$3], [$4], [$5]) | |
0b39b9f9 | 879 | ]) |