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Commit | Line | Data |
---|---|---|
c9c0d073 BB |
1 | dnl # |
2 | dnl # Default ZFS kernel configuration | |
3 | dnl # | |
4 | AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [ | |
5 | ZFS_AC_KERNEL | |
6 | ZFS_AC_SPL | |
7 | ZFS_AC_KERNEL_CONFIG | |
8 | ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS | |
9 | ZFS_AC_KERNEL_TYPE_FMODE_T | |
10 | ZFS_AC_KERNEL_KOBJ_NAME_LEN | |
45066d1f | 11 | ZFS_AC_KERNEL_BLKDEV_GET_BY_PATH |
c9c0d073 BB |
12 | ZFS_AC_KERNEL_OPEN_BDEV_EXCLUSIVE |
13 | ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS | |
14 | ZFS_AC_KERNEL_BDEV_LOGICAL_BLOCK_SIZE | |
15 | ZFS_AC_KERNEL_BIO_EMPTY_BARRIER | |
2959d94a | 16 | ZFS_AC_KERNEL_BIO_FAILFAST |
f4af6bb7 BB |
17 | ZFS_AC_KERNEL_BIO_FAILFAST_DTD |
18 | ZFS_AC_KERNEL_REQ_FAILFAST_MASK | |
c9c0d073 | 19 | ZFS_AC_KERNEL_BIO_END_IO_T_ARGS |
675de5aa | 20 | ZFS_AC_KERNEL_BIO_RW_SYNC |
c9c0d073 | 21 | ZFS_AC_KERNEL_BIO_RW_SYNCIO |
675de5aa | 22 | ZFS_AC_KERNEL_REQ_SYNC |
c9c0d073 BB |
23 | ZFS_AC_KERNEL_BLK_END_REQUEST |
24 | ZFS_AC_KERNEL_BLK_FETCH_REQUEST | |
25 | ZFS_AC_KERNEL_BLK_REQUEUE_REQUEST | |
26 | ZFS_AC_KERNEL_BLK_RQ_BYTES | |
27 | ZFS_AC_KERNEL_BLK_RQ_POS | |
28 | ZFS_AC_KERNEL_BLK_RQ_SECTORS | |
29 | ZFS_AC_KERNEL_GET_DISK_RO | |
30 | ZFS_AC_KERNEL_RQ_IS_SYNC | |
31 | ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT | |
777d4af8 | 32 | ZFS_AC_KERNEL_CONST_XATTR_HANDLER |
f9637c6c BB |
33 | ZFS_AC_KERNEL_XATTR_HANDLER_GET |
34 | ZFS_AC_KERNEL_XATTR_HANDLER_SET | |
adcd70bd | 35 | ZFS_AC_KERNEL_FSYNC |
2c395def | 36 | ZFS_AC_KERNEL_EVICT_INODE |
bdf4328b | 37 | ZFS_AC_KERNEL_INSERT_INODE_LOCKED |
055656d4 | 38 | ZFS_AC_KERNEL_D_OBTAIN_ALIAS |
df554c14 | 39 | ZFS_AC_KERNEL_CHECK_DISK_SIZE_CHANGE |
b3129792 | 40 | ZFS_AC_KERNEL_TRUNCATE_SETSIZE |
5c03efc3 | 41 | ZFS_AC_KERNEL_6ARGS_SECURITY_INODE_INIT_SECURITY |
2cf7f52b | 42 | ZFS_AC_KERNEL_MOUNT_NODEV |
76659dc1 | 43 | ZFS_AC_KERNEL_BDI |
5547c2f1 | 44 | ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER |
c9c0d073 | 45 | |
8366cd6a | 46 | AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
6283f55e | 47 | KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" |
8366cd6a | 48 | ]) |
6283f55e BB |
49 | AC_SUBST(KERNELMAKE_PARAMS) |
50 | ||
51 | ||
c9c0d073 BB |
52 | dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other |
53 | dnl # compiler options are added by the kernel build system. | |
8a7e1cee | 54 | KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE" |
c9c0d073 BB |
55 | KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL" |
56 | KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\"" | |
c9c0d073 | 57 | |
c9c0d073 BB |
58 | AC_SUBST(KERNELCPPFLAGS) |
59 | ]) | |
60 | ||
61 | dnl # | |
62 | dnl # Detect name used for Module.symvers file in kernel | |
63 | dnl # | |
64 | AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ | |
65 | modpost=$LINUX/scripts/Makefile.modpost | |
66 | AC_MSG_CHECKING([kernel file name for module symbols]) | |
8366cd6a PS |
67 | AS_IF([test -f "$modpost"], [ |
68 | AS_IF([grep -q Modules.symvers $modpost], [ | |
c9c0d073 | 69 | LINUX_SYMBOLS=Modules.symvers |
8366cd6a | 70 | ], [ |
c9c0d073 | 71 | LINUX_SYMBOLS=Module.symvers |
8366cd6a | 72 | ]) |
a60b1c0a | 73 | |
8366cd6a | 74 | AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ |
a60b1c0a BB |
75 | AC_MSG_ERROR([ |
76 | *** Please make sure the kernel devel package for your distribution | |
77 | *** is installed. If your building with a custom kernel make sure the | |
78 | *** kernel is configured, built, and the '--with-linux=PATH' configure | |
79 | *** option refers to the location of the kernel source.]) | |
8366cd6a PS |
80 | ]) |
81 | ], [ | |
c9c0d073 | 82 | LINUX_SYMBOLS=NONE |
8366cd6a | 83 | ]) |
c9c0d073 BB |
84 | AC_MSG_RESULT($LINUX_SYMBOLS) |
85 | AC_SUBST(LINUX_SYMBOLS) | |
86 | ]) | |
87 | ||
88 | dnl # | |
89 | dnl # Detect the kernel to be built against | |
90 | dnl # | |
91 | AC_DEFUN([ZFS_AC_KERNEL], [ | |
92 | AC_ARG_WITH([linux], | |
93 | AS_HELP_STRING([--with-linux=PATH], | |
94 | [Path to kernel source]), | |
95 | [kernelsrc="$withval"]) | |
96 | ||
97 | AC_ARG_WITH(linux-obj, | |
98 | AS_HELP_STRING([--with-linux-obj=PATH], | |
99 | [Path to kernel build objects]), | |
100 | [kernelbuild="$withval"]) | |
101 | ||
102 | AC_MSG_CHECKING([kernel source directory]) | |
8366cd6a PS |
103 | AS_IF([test -z "$kernelsrc"], [ |
104 | AS_IF([test -e "/lib/modules/$(uname -r)/source"], [ | |
1b94c25c BB |
105 | headersdir="/lib/modules/$(uname -r)/source" |
106 | sourcelink=$(readlink -f "$headersdir") | |
8366cd6a | 107 | ], [test -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 108 | headersdir="/lib/modules/$(uname -r)/build" |
c9c0d073 | 109 | sourcelink=$(readlink -f "$headersdir") |
8366cd6a | 110 | ], [ |
c9c0d073 | 111 | sourcelink=$(ls -1d /usr/src/kernels/* \ |
8366cd6a | 112 | /usr/src/linux-* \ |
c9c0d073 | 113 | 2>/dev/null | grep -v obj | tail -1) |
8366cd6a | 114 | ]) |
c9c0d073 | 115 | |
8366cd6a | 116 | AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [ |
c9c0d073 | 117 | kernelsrc=`readlink -f ${sourcelink}` |
8366cd6a | 118 | ], [ |
c9c0d073 BB |
119 | AC_MSG_RESULT([Not found]) |
120 | AC_MSG_ERROR([ | |
121 | *** Please make sure the kernel devel package for your distribution | |
122 | *** is installed then try again. If that fails you can specify the | |
123 | *** location of the kernel source with the '--with-linux=PATH' option.]) | |
8366cd6a PS |
124 | ]) |
125 | ], [ | |
126 | AS_IF([test "$kernelsrc" = "NONE"], [ | |
c9c0d073 | 127 | kernsrcver=NONE |
8366cd6a PS |
128 | ]) |
129 | ]) | |
c9c0d073 BB |
130 | |
131 | AC_MSG_RESULT([$kernelsrc]) | |
132 | AC_MSG_CHECKING([kernel build directory]) | |
8366cd6a PS |
133 | AS_IF([test -z "$kernelbuild"], [ |
134 | AS_IF([test -e "/lib/modules/$(uname -r)/build"], [ | |
1b94c25c | 135 | kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` |
8366cd6a | 136 | ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [ |
c9c0d073 | 137 | kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} |
8366cd6a | 138 | ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [ |
c9c0d073 | 139 | kernelbuild=${kernelsrc}-obj/${target_cpu}/default |
8366cd6a | 140 | ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [ |
c9c0d073 | 141 | kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} |
8366cd6a | 142 | ], [ |
c9c0d073 | 143 | kernelbuild=${kernelsrc} |
8366cd6a PS |
144 | ]) |
145 | ]) | |
c9c0d073 BB |
146 | AC_MSG_RESULT([$kernelbuild]) |
147 | ||
148 | AC_MSG_CHECKING([kernel source version]) | |
149 | utsrelease1=$kernelbuild/include/linux/version.h | |
150 | utsrelease2=$kernelbuild/include/linux/utsrelease.h | |
151 | utsrelease3=$kernelbuild/include/generated/utsrelease.h | |
8366cd6a | 152 | AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [ |
c9c0d073 | 153 | utsrelease=linux/version.h |
8366cd6a | 154 | ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [ |
c9c0d073 | 155 | utsrelease=linux/utsrelease.h |
8366cd6a | 156 | ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [ |
c9c0d073 | 157 | utsrelease=generated/utsrelease.h |
8366cd6a | 158 | ]) |
c9c0d073 | 159 | |
8366cd6a | 160 | AS_IF([test "$utsrelease"], [ |
c9c0d073 BB |
161 | kernsrcver=`(echo "#include <$utsrelease>"; |
162 | echo "kernsrcver=UTS_RELEASE") | | |
163 | cpp -I $kernelbuild/include | | |
164 | grep "^kernsrcver=" | cut -d \" -f 2` | |
165 | ||
8366cd6a | 166 | AS_IF([test -z "$kernsrcver"], [ |
c9c0d073 BB |
167 | AC_MSG_RESULT([Not found]) |
168 | AC_MSG_ERROR([*** Cannot determine kernel version.]) | |
8366cd6a PS |
169 | ]) |
170 | ], [ | |
c9c0d073 BB |
171 | AC_MSG_RESULT([Not found]) |
172 | AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.]) | |
8366cd6a | 173 | ]) |
c9c0d073 BB |
174 | |
175 | AC_MSG_RESULT([$kernsrcver]) | |
176 | ||
177 | LINUX=${kernelsrc} | |
178 | LINUX_OBJ=${kernelbuild} | |
179 | LINUX_VERSION=${kernsrcver} | |
180 | ||
181 | AC_SUBST(LINUX) | |
182 | AC_SUBST(LINUX_OBJ) | |
183 | AC_SUBST(LINUX_VERSION) | |
184 | ||
185 | ZFS_AC_MODULE_SYMVERS | |
186 | ]) | |
187 | ||
188 | dnl # | |
189 | dnl # Detect name used for the additional SPL Module.symvers file. If one | |
190 | dnl # does not exist this is likely because the SPL has been configured | |
191 | dnl # but not built. To allow recursive builds a good guess is made as to | |
192 | dnl # what this file will be named based on what it is named in the kernel | |
193 | dnl # build products. This file will first be used at link time so if | |
194 | dnl # the guess is wrong the build will fail then. This unfortunately | |
195 | dnl # means the ZFS package does not contain a reliable mechanism to | |
196 | dnl # detect symbols exported by the SPL at configure time. | |
197 | dnl # | |
198 | AC_DEFUN([ZFS_AC_SPL_MODULE_SYMVERS], [ | |
199 | AC_MSG_CHECKING([spl file name for module symbols]) | |
8366cd6a | 200 | AS_IF([test -r $SPL_OBJ/Module.symvers], [ |
c9c0d073 | 201 | SPL_SYMBOLS=Module.symvers |
8366cd6a | 202 | ], [test -r $SPL_OBJ/Modules.symvers], [ |
c9c0d073 | 203 | SPL_SYMBOLS=Modules.symvers |
8366cd6a | 204 | ], [test -r $SPL_OBJ/module/Module.symvers], [ |
6283f55e | 205 | SPL_SYMBOLS=Module.symvers |
8366cd6a | 206 | ], [test -r $SPL_OBJ/module/Modules.symvers], [ |
6283f55e | 207 | SPL_SYMBOLS=Modules.symvers |
8366cd6a | 208 | ], [ |
c9c0d073 | 209 | SPL_SYMBOLS=$LINUX_SYMBOLS |
8366cd6a | 210 | ]) |
c9c0d073 BB |
211 | |
212 | AC_MSG_RESULT([$SPL_SYMBOLS]) | |
213 | AC_SUBST(SPL_SYMBOLS) | |
214 | ]) | |
215 | ||
216 | dnl # | |
217 | dnl # Detect the SPL module to be built against | |
218 | dnl # | |
219 | AC_DEFUN([ZFS_AC_SPL], [ | |
220 | AC_ARG_WITH([spl], | |
221 | AS_HELP_STRING([--with-spl=PATH], | |
222 | [Path to spl source]), | |
223 | [splsrc="$withval"]) | |
224 | ||
225 | AC_ARG_WITH([spl-obj], | |
226 | AS_HELP_STRING([--with-spl-obj=PATH], | |
227 | [Path to spl build objects]), | |
228 | [splbuild="$withval"]) | |
229 | ||
230 | ||
231 | AC_MSG_CHECKING([spl source directory]) | |
8366cd6a | 232 | AS_IF([test -z "$splsrc"], [ |
c9c0d073 BB |
233 | sourcelink=`ls -1d /usr/src/spl-*/${LINUX_VERSION} \ |
234 | 2>/dev/null | tail -1` | |
235 | ||
8366cd6a | 236 | AS_IF([test -z "$sourcelink" || test ! -e $sourcelink], [ |
c9c0d073 | 237 | sourcelink=../spl |
8366cd6a | 238 | ]) |
c9c0d073 | 239 | |
8366cd6a | 240 | AS_IF([test -e $sourcelink], [ |
c9c0d073 | 241 | splsrc=`readlink -f ${sourcelink}` |
8366cd6a | 242 | ], [ |
c9c0d073 BB |
243 | AC_MSG_RESULT([Not found]) |
244 | AC_MSG_ERROR([ | |
245 | *** Please make sure the spl devel package for your distribution | |
246 | *** is installed then try again. If that fails you can specify the | |
247 | *** location of the spl source with the '--with-spl=PATH' option.]) | |
8366cd6a PS |
248 | ]) |
249 | ], [ | |
250 | AS_IF([test "$splsrc" = "NONE"], [ | |
c9c0d073 BB |
251 | splbuild=NONE |
252 | splsrcver=NONE | |
8366cd6a PS |
253 | ]) |
254 | ]) | |
c9c0d073 BB |
255 | |
256 | AC_MSG_RESULT([$splsrc]) | |
257 | AC_MSG_CHECKING([spl build directory]) | |
8366cd6a | 258 | AS_IF([test -z "$splbuild"], [ |
6283f55e | 259 | splbuild=${splsrc} |
8366cd6a | 260 | ]) |
c9c0d073 BB |
261 | AC_MSG_RESULT([$splbuild]) |
262 | ||
263 | AC_MSG_CHECKING([spl source version]) | |
8366cd6a PS |
264 | AS_IF([test -r $splbuild/spl_config.h && |
265 | fgrep -q SPL_META_VERSION $splbuild/spl_config.h], [ | |
c9c0d073 BB |
266 | |
267 | splsrcver=`(echo "#include <spl_config.h>"; | |
268 | echo "splsrcver=SPL_META_VERSION") | | |
5e612145 | 269 | cpp -I $splbuild | |
c9c0d073 | 270 | grep "^splsrcver=" | cut -d \" -f 2` |
8366cd6a | 271 | ]) |
c9c0d073 | 272 | |
8366cd6a | 273 | AS_IF([test -z "$splsrcver"], [ |
c9c0d073 BB |
274 | AC_MSG_RESULT([Not found]) |
275 | AC_MSG_ERROR([ | |
2984e0bb PS |
276 | *** Cannot determine the version of the spl source. |
277 | *** Please prepare the spl source before running this script]) | |
8366cd6a | 278 | ]) |
c9c0d073 BB |
279 | |
280 | AC_MSG_RESULT([$splsrcver]) | |
281 | ||
282 | SPL=${splsrc} | |
283 | SPL_OBJ=${splbuild} | |
284 | SPL_VERSION=${splsrcver} | |
285 | ||
286 | AC_SUBST(SPL) | |
287 | AC_SUBST(SPL_OBJ) | |
288 | AC_SUBST(SPL_VERSION) | |
289 | ||
290 | ZFS_AC_SPL_MODULE_SYMVERS | |
291 | ]) | |
292 | ||
15805c77 BB |
293 | dnl # |
294 | dnl # Certain kernel build options are not supported. These must be | |
295 | dnl # detected at configure time and cause a build failure. Otherwise | |
296 | dnl # modules may be successfully built that behave incorrectly. | |
297 | dnl # | |
298 | dnl # CONFIG_PREEMPT - Preempt kernels require special handling. | |
c9c0d073 BB |
299 | dnl # |
300 | dnl # There are certain kernel build options which when enabled are | |
301 | dnl # completely incompatible with non GPL kernel modules. It is best | |
302 | dnl # to detect these at configure time and fail with a clear error | |
303 | dnl # rather than build everything and fail during linking. | |
304 | dnl # | |
305 | dnl # CONFIG_DEBUG_LOCK_ALLOC - Maps mutex_lock() to mutex_lock_nested() | |
306 | dnl # | |
307 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG], [ | |
308 | ||
15805c77 BB |
309 | ZFS_LINUX_CONFIG([PREEMPT], |
310 | AC_MSG_ERROR([ | |
2984e0bb PS |
311 | *** Kernel built with CONFIG_PREEMPT which is not supported. |
312 | *** You must rebuild your kernel without this option.]), []) | |
15805c77 | 313 | |
8366cd6a | 314 | AS_IF([test "$ZFS_META_LICENSE" = CDDL], [ |
c9c0d073 BB |
315 | ZFS_LINUX_CONFIG([DEBUG_LOCK_ALLOC], |
316 | AC_MSG_ERROR([ | |
2984e0bb PS |
317 | *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is |
318 | *** incompatible with the CDDL license. You must rebuild | |
319 | *** your kernel without this option.]), []) | |
8366cd6a | 320 | ]) |
c9c0d073 | 321 | |
8366cd6a | 322 | AS_IF([test "$ZFS_META_LICENSE" = GPL], [ |
c9c0d073 BB |
323 | AC_DEFINE([HAVE_GPL_ONLY_SYMBOLS], [1], |
324 | [Define to 1 if licensed under the GPL]) | |
8366cd6a | 325 | ]) |
c9c0d073 BB |
326 | ]) |
327 | ||
328 | dnl # | |
329 | dnl # ZFS_LINUX_CONFTEST | |
330 | dnl # | |
331 | AC_DEFUN([ZFS_LINUX_CONFTEST], [ | |
332 | cat confdefs.h - <<_ACEOF >conftest.c | |
333 | $1 | |
334 | _ACEOF | |
335 | ]) | |
336 | ||
337 | dnl # | |
338 | dnl # ZFS_LANG_PROGRAM(C)([PROLOGUE], [BODY]) | |
339 | dnl # | |
340 | m4_define([ZFS_LANG_PROGRAM], [ | |
341 | $1 | |
342 | int | |
343 | main (void) | |
344 | { | |
345 | dnl Do *not* indent the following line: there may be CPP directives. | |
346 | dnl Don't move the `;' right after for the same reason. | |
347 | $2 | |
348 | ; | |
349 | return 0; | |
350 | } | |
351 | ]) | |
352 | ||
353 | dnl # | |
354 | dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE | |
355 | dnl # | |
356 | AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ | |
357 | m4_ifvaln([$1], [ZFS_LINUX_CONFTEST([$1])]) | |
358 | rm -Rf build && mkdir -p build | |
359 | echo "obj-m := conftest.o" >build/Makefile | |
360 | AS_IF( | |
361 | [AC_TRY_COMMAND(cp conftest.c build && make [$2] -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])], | |
362 | [$4], | |
363 | [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])] | |
364 | ) | |
365 | rm -Rf build | |
366 | ]) | |
367 | ||
368 | dnl # | |
369 | dnl # ZFS_LINUX_TRY_COMPILE like AC_TRY_COMPILE | |
370 | dnl # | |
371 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE], | |
372 | [ZFS_LINUX_COMPILE_IFELSE( | |
373 | [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], | |
374 | [modules], | |
375 | [test -s build/conftest.o], | |
376 | [$3], [$4]) | |
377 | ]) | |
378 | ||
379 | dnl # | |
380 | dnl # ZFS_LINUX_CONFIG | |
381 | dnl # | |
382 | AC_DEFUN([ZFS_LINUX_CONFIG], | |
383 | [AC_MSG_CHECKING([whether Linux was built with CONFIG_$1]) | |
384 | ZFS_LINUX_TRY_COMPILE([ | |
0da78696 | 385 | #include <linux/module.h> |
c9c0d073 BB |
386 | ],[ |
387 | #ifndef CONFIG_$1 | |
388 | #error CONFIG_$1 not #defined | |
389 | #endif | |
390 | ],[ | |
391 | AC_MSG_RESULT([yes]) | |
392 | $2 | |
393 | ],[ | |
394 | AC_MSG_RESULT([no]) | |
395 | $3 | |
396 | ]) | |
397 | ]) | |
398 | ||
399 | dnl # | |
400 | dnl # ZFS_CHECK_SYMBOL_EXPORT | |
401 | dnl # check symbol exported or not | |
402 | dnl # | |
403 | AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], | |
404 | [AC_MSG_CHECKING([whether symbol $1 is exported]) | |
405 | grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ | |
406 | $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null | |
407 | rc=$? | |
8366cd6a | 408 | AS_IF([test $rc -ne 0], [ |
c9c0d073 BB |
409 | export=0 |
410 | for file in $2; do | |
411 | grep -q -E "EXPORT_SYMBOL.*($1)" "$LINUX/$file" 2>/dev/null | |
412 | rc=$? | |
8366cd6a PS |
413 | AS_IF([test $rc -eq 0], [ |
414 | export=1 | |
415 | break; | |
416 | ]) | |
c9c0d073 | 417 | done |
8366cd6a | 418 | AS_IF([test $export -eq 0], [ |
c9c0d073 BB |
419 | AC_MSG_RESULT([no]) |
420 | $4 | |
8366cd6a | 421 | ], [ |
c9c0d073 BB |
422 | AC_MSG_RESULT([yes]) |
423 | $3 | |
8366cd6a PS |
424 | ]) |
425 | ], [ | |
c9c0d073 BB |
426 | AC_MSG_RESULT([yes]) |
427 | $3 | |
8366cd6a | 428 | ]) |
c9c0d073 | 429 | ]) |