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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 |
28eb9213 | 45 | ZFS_AC_KERNEL_SET_NLINK |
c9c0d073 | 46 | |
8366cd6a | 47 | AS_IF([test "$LINUX_OBJ" != "$LINUX"], [ |
6283f55e | 48 | KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ" |
8366cd6a | 49 | ]) |
6283f55e BB |
50 | AC_SUBST(KERNELMAKE_PARAMS) |
51 | ||
52 | ||
c9c0d073 BB |
53 | dnl # -Wall -fno-strict-aliasing -Wstrict-prototypes and other |
54 | dnl # compiler options are added by the kernel build system. | |
8a7e1cee | 55 | KERNELCPPFLAGS="$KERNELCPPFLAGS $NO_UNUSED_BUT_SET_VARIABLE" |
c9c0d073 BB |
56 | KERNELCPPFLAGS="$KERNELCPPFLAGS -DHAVE_SPL -D_KERNEL" |
57 | KERNELCPPFLAGS="$KERNELCPPFLAGS -DTEXT_DOMAIN=\\\"zfs-linux-kernel\\\"" | |
c9c0d073 | 58 | |
c9c0d073 BB |
59 | AC_SUBST(KERNELCPPFLAGS) |
60 | ]) | |
61 | ||
62 | dnl # | |
63 | dnl # Detect name used for Module.symvers file in kernel | |
64 | dnl # | |
65 | AC_DEFUN([ZFS_AC_MODULE_SYMVERS], [ | |
66 | modpost=$LINUX/scripts/Makefile.modpost | |
67 | AC_MSG_CHECKING([kernel file name for module symbols]) | |
8366cd6a PS |
68 | AS_IF([test -f "$modpost"], [ |
69 | AS_IF([grep -q Modules.symvers $modpost], [ | |
c9c0d073 | 70 | LINUX_SYMBOLS=Modules.symvers |
8366cd6a | 71 | ], [ |
c9c0d073 | 72 | LINUX_SYMBOLS=Module.symvers |
8366cd6a | 73 | ]) |
a60b1c0a | 74 | |
8366cd6a | 75 | AS_IF([test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"], [ |
a60b1c0a BB |
76 | AC_MSG_ERROR([ |
77 | *** Please make sure the kernel devel package for your distribution | |
78 | *** is installed. If your building with a custom kernel make sure the | |
79 | *** kernel is configured, built, and the '--with-linux=PATH' configure | |
80 | *** option refers to the location of the kernel source.]) | |
8366cd6a PS |
81 | ]) |
82 | ], [ | |
c9c0d073 | 83 | LINUX_SYMBOLS=NONE |
8366cd6a | 84 | ]) |
c9c0d073 BB |
85 | AC_MSG_RESULT($LINUX_SYMBOLS) |
86 | AC_SUBST(LINUX_SYMBOLS) | |
87 | ]) | |
88 | ||
89 | dnl # | |
90 | dnl # Detect the kernel to be built against | |
91 | dnl # | |
92 | AC_DEFUN([ZFS_AC_KERNEL], [ | |
93 | AC_ARG_WITH([linux], | |
94 | AS_HELP_STRING([--with-linux=PATH], | |
95 | [Path to kernel source]), | |
96 | [kernelsrc="$withval"]) | |
97 | ||
98 | AC_ARG_WITH(linux-obj, | |
99 | AS_HELP_STRING([--with-linux-obj=PATH], | |
100 | [Path to kernel build objects]), | |
101 | [kernelbuild="$withval"]) | |
102 | ||
103 | AC_MSG_CHECKING([kernel source directory]) | |
8366cd6a PS |
104 | AS_IF([test -z "$kernelsrc"], [ |
105 | AS_IF([test -e "/lib/modules/$(uname -r)/source"], [ | |
1b94c25c BB |
106 | headersdir="/lib/modules/$(uname -r)/source" |
107 | sourcelink=$(readlink -f "$headersdir") | |
8366cd6a | 108 | ], [test -e "/lib/modules/$(uname -r)/build"], [ |
1b94c25c | 109 | headersdir="/lib/modules/$(uname -r)/build" |
c9c0d073 | 110 | sourcelink=$(readlink -f "$headersdir") |
8366cd6a | 111 | ], [ |
c9c0d073 | 112 | sourcelink=$(ls -1d /usr/src/kernels/* \ |
8366cd6a | 113 | /usr/src/linux-* \ |
c9c0d073 | 114 | 2>/dev/null | grep -v obj | tail -1) |
8366cd6a | 115 | ]) |
c9c0d073 | 116 | |
8366cd6a | 117 | AS_IF([test -n "$sourcelink" && test -e ${sourcelink}], [ |
c9c0d073 | 118 | kernelsrc=`readlink -f ${sourcelink}` |
8366cd6a | 119 | ], [ |
c9c0d073 BB |
120 | AC_MSG_RESULT([Not found]) |
121 | AC_MSG_ERROR([ | |
122 | *** Please make sure the kernel devel package for your distribution | |
123 | *** is installed then try again. If that fails you can specify the | |
124 | *** location of the kernel source with the '--with-linux=PATH' option.]) | |
8366cd6a PS |
125 | ]) |
126 | ], [ | |
127 | AS_IF([test "$kernelsrc" = "NONE"], [ | |
c9c0d073 | 128 | kernsrcver=NONE |
8366cd6a PS |
129 | ]) |
130 | ]) | |
c9c0d073 BB |
131 | |
132 | AC_MSG_RESULT([$kernelsrc]) | |
133 | AC_MSG_CHECKING([kernel build directory]) | |
8366cd6a PS |
134 | AS_IF([test -z "$kernelbuild"], [ |
135 | AS_IF([test -e "/lib/modules/$(uname -r)/build"], [ | |
1b94c25c | 136 | kernelbuild=`readlink -f /lib/modules/$(uname -r)/build` |
8366cd6a | 137 | ], [test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}], [ |
c9c0d073 | 138 | kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu} |
8366cd6a | 139 | ], [test -d ${kernelsrc}-obj/${target_cpu}/default], [ |
c9c0d073 | 140 | kernelbuild=${kernelsrc}-obj/${target_cpu}/default |
8366cd6a | 141 | ], [test -d `dirname ${kernelsrc}`/build-${target_cpu}], [ |
c9c0d073 | 142 | kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu} |
8366cd6a | 143 | ], [ |
c9c0d073 | 144 | kernelbuild=${kernelsrc} |
8366cd6a PS |
145 | ]) |
146 | ]) | |
c9c0d073 BB |
147 | AC_MSG_RESULT([$kernelbuild]) |
148 | ||
149 | AC_MSG_CHECKING([kernel source version]) | |
150 | utsrelease1=$kernelbuild/include/linux/version.h | |
151 | utsrelease2=$kernelbuild/include/linux/utsrelease.h | |
152 | utsrelease3=$kernelbuild/include/generated/utsrelease.h | |
8366cd6a | 153 | AS_IF([test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1], [ |
c9c0d073 | 154 | utsrelease=linux/version.h |
8366cd6a | 155 | ], [test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2], [ |
c9c0d073 | 156 | utsrelease=linux/utsrelease.h |
8366cd6a | 157 | ], [test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3], [ |
c9c0d073 | 158 | utsrelease=generated/utsrelease.h |
8366cd6a | 159 | ]) |
c9c0d073 | 160 | |
8366cd6a | 161 | AS_IF([test "$utsrelease"], [ |
c9c0d073 BB |
162 | kernsrcver=`(echo "#include <$utsrelease>"; |
163 | echo "kernsrcver=UTS_RELEASE") | | |
164 | cpp -I $kernelbuild/include | | |
165 | grep "^kernsrcver=" | cut -d \" -f 2` | |
166 | ||
8366cd6a | 167 | AS_IF([test -z "$kernsrcver"], [ |
c9c0d073 BB |
168 | AC_MSG_RESULT([Not found]) |
169 | AC_MSG_ERROR([*** Cannot determine kernel version.]) | |
8366cd6a PS |
170 | ]) |
171 | ], [ | |
c9c0d073 BB |
172 | AC_MSG_RESULT([Not found]) |
173 | AC_MSG_ERROR([*** Cannot find UTS_RELEASE definition.]) | |
8366cd6a | 174 | ]) |
c9c0d073 BB |
175 | |
176 | AC_MSG_RESULT([$kernsrcver]) | |
177 | ||
178 | LINUX=${kernelsrc} | |
179 | LINUX_OBJ=${kernelbuild} | |
180 | LINUX_VERSION=${kernsrcver} | |
181 | ||
182 | AC_SUBST(LINUX) | |
183 | AC_SUBST(LINUX_OBJ) | |
184 | AC_SUBST(LINUX_VERSION) | |
185 | ||
186 | ZFS_AC_MODULE_SYMVERS | |
187 | ]) | |
188 | ||
189 | dnl # | |
190 | dnl # Detect name used for the additional SPL Module.symvers file. If one | |
191 | dnl # does not exist this is likely because the SPL has been configured | |
192 | dnl # but not built. To allow recursive builds a good guess is made as to | |
193 | dnl # what this file will be named based on what it is named in the kernel | |
194 | dnl # build products. This file will first be used at link time so if | |
195 | dnl # the guess is wrong the build will fail then. This unfortunately | |
196 | dnl # means the ZFS package does not contain a reliable mechanism to | |
197 | dnl # detect symbols exported by the SPL at configure time. | |
198 | dnl # | |
199 | AC_DEFUN([ZFS_AC_SPL_MODULE_SYMVERS], [ | |
200 | AC_MSG_CHECKING([spl file name for module symbols]) | |
8366cd6a | 201 | AS_IF([test -r $SPL_OBJ/Module.symvers], [ |
c9c0d073 | 202 | SPL_SYMBOLS=Module.symvers |
8366cd6a | 203 | ], [test -r $SPL_OBJ/Modules.symvers], [ |
c9c0d073 | 204 | SPL_SYMBOLS=Modules.symvers |
8366cd6a | 205 | ], [test -r $SPL_OBJ/module/Module.symvers], [ |
6283f55e | 206 | SPL_SYMBOLS=Module.symvers |
8366cd6a | 207 | ], [test -r $SPL_OBJ/module/Modules.symvers], [ |
6283f55e | 208 | SPL_SYMBOLS=Modules.symvers |
8366cd6a | 209 | ], [ |
c9c0d073 | 210 | SPL_SYMBOLS=$LINUX_SYMBOLS |
8366cd6a | 211 | ]) |
c9c0d073 BB |
212 | |
213 | AC_MSG_RESULT([$SPL_SYMBOLS]) | |
214 | AC_SUBST(SPL_SYMBOLS) | |
215 | ]) | |
216 | ||
217 | dnl # | |
218 | dnl # Detect the SPL module to be built against | |
219 | dnl # | |
220 | AC_DEFUN([ZFS_AC_SPL], [ | |
221 | AC_ARG_WITH([spl], | |
222 | AS_HELP_STRING([--with-spl=PATH], | |
223 | [Path to spl source]), | |
224 | [splsrc="$withval"]) | |
225 | ||
226 | AC_ARG_WITH([spl-obj], | |
227 | AS_HELP_STRING([--with-spl-obj=PATH], | |
228 | [Path to spl build objects]), | |
229 | [splbuild="$withval"]) | |
230 | ||
231 | ||
232 | AC_MSG_CHECKING([spl source directory]) | |
8366cd6a | 233 | AS_IF([test -z "$splsrc"], [ |
c9c0d073 BB |
234 | sourcelink=`ls -1d /usr/src/spl-*/${LINUX_VERSION} \ |
235 | 2>/dev/null | tail -1` | |
236 | ||
8366cd6a | 237 | AS_IF([test -z "$sourcelink" || test ! -e $sourcelink], [ |
c9c0d073 | 238 | sourcelink=../spl |
8366cd6a | 239 | ]) |
c9c0d073 | 240 | |
8366cd6a | 241 | AS_IF([test -e $sourcelink], [ |
c9c0d073 | 242 | splsrc=`readlink -f ${sourcelink}` |
8366cd6a | 243 | ], [ |
c9c0d073 BB |
244 | AC_MSG_RESULT([Not found]) |
245 | AC_MSG_ERROR([ | |
246 | *** Please make sure the spl devel package for your distribution | |
247 | *** is installed then try again. If that fails you can specify the | |
248 | *** location of the spl source with the '--with-spl=PATH' option.]) | |
8366cd6a PS |
249 | ]) |
250 | ], [ | |
251 | AS_IF([test "$splsrc" = "NONE"], [ | |
c9c0d073 BB |
252 | splbuild=NONE |
253 | splsrcver=NONE | |
8366cd6a PS |
254 | ]) |
255 | ]) | |
c9c0d073 BB |
256 | |
257 | AC_MSG_RESULT([$splsrc]) | |
258 | AC_MSG_CHECKING([spl build directory]) | |
8366cd6a | 259 | AS_IF([test -z "$splbuild"], [ |
6283f55e | 260 | splbuild=${splsrc} |
8366cd6a | 261 | ]) |
c9c0d073 BB |
262 | AC_MSG_RESULT([$splbuild]) |
263 | ||
264 | AC_MSG_CHECKING([spl source version]) | |
8366cd6a PS |
265 | AS_IF([test -r $splbuild/spl_config.h && |
266 | fgrep -q SPL_META_VERSION $splbuild/spl_config.h], [ | |
c9c0d073 BB |
267 | |
268 | splsrcver=`(echo "#include <spl_config.h>"; | |
269 | echo "splsrcver=SPL_META_VERSION") | | |
5e612145 | 270 | cpp -I $splbuild | |
c9c0d073 | 271 | grep "^splsrcver=" | cut -d \" -f 2` |
8366cd6a | 272 | ]) |
c9c0d073 | 273 | |
8366cd6a | 274 | AS_IF([test -z "$splsrcver"], [ |
c9c0d073 BB |
275 | AC_MSG_RESULT([Not found]) |
276 | AC_MSG_ERROR([ | |
2984e0bb PS |
277 | *** Cannot determine the version of the spl source. |
278 | *** Please prepare the spl source before running this script]) | |
8366cd6a | 279 | ]) |
c9c0d073 BB |
280 | |
281 | AC_MSG_RESULT([$splsrcver]) | |
282 | ||
283 | SPL=${splsrc} | |
284 | SPL_OBJ=${splbuild} | |
285 | SPL_VERSION=${splsrcver} | |
286 | ||
287 | AC_SUBST(SPL) | |
288 | AC_SUBST(SPL_OBJ) | |
289 | AC_SUBST(SPL_VERSION) | |
290 | ||
291 | ZFS_AC_SPL_MODULE_SYMVERS | |
292 | ]) | |
293 | ||
15805c77 BB |
294 | dnl # |
295 | dnl # Certain kernel build options are not supported. These must be | |
296 | dnl # detected at configure time and cause a build failure. Otherwise | |
297 | dnl # modules may be successfully built that behave incorrectly. | |
298 | dnl # | |
299 | dnl # CONFIG_PREEMPT - Preempt kernels require special handling. | |
c9c0d073 BB |
300 | dnl # |
301 | dnl # There are certain kernel build options which when enabled are | |
302 | dnl # completely incompatible with non GPL kernel modules. It is best | |
303 | dnl # to detect these at configure time and fail with a clear error | |
304 | dnl # rather than build everything and fail during linking. | |
305 | dnl # | |
306 | dnl # CONFIG_DEBUG_LOCK_ALLOC - Maps mutex_lock() to mutex_lock_nested() | |
307 | dnl # | |
308 | AC_DEFUN([ZFS_AC_KERNEL_CONFIG], [ | |
309 | ||
15805c77 BB |
310 | ZFS_LINUX_CONFIG([PREEMPT], |
311 | AC_MSG_ERROR([ | |
2984e0bb PS |
312 | *** Kernel built with CONFIG_PREEMPT which is not supported. |
313 | *** You must rebuild your kernel without this option.]), []) | |
15805c77 | 314 | |
8366cd6a | 315 | AS_IF([test "$ZFS_META_LICENSE" = CDDL], [ |
c9c0d073 BB |
316 | ZFS_LINUX_CONFIG([DEBUG_LOCK_ALLOC], |
317 | AC_MSG_ERROR([ | |
2984e0bb PS |
318 | *** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is |
319 | *** incompatible with the CDDL license. You must rebuild | |
320 | *** your kernel without this option.]), []) | |
8366cd6a | 321 | ]) |
c9c0d073 | 322 | |
8366cd6a | 323 | AS_IF([test "$ZFS_META_LICENSE" = GPL], [ |
c9c0d073 BB |
324 | AC_DEFINE([HAVE_GPL_ONLY_SYMBOLS], [1], |
325 | [Define to 1 if licensed under the GPL]) | |
8366cd6a | 326 | ]) |
c9c0d073 BB |
327 | ]) |
328 | ||
329 | dnl # | |
330 | dnl # ZFS_LINUX_CONFTEST | |
331 | dnl # | |
332 | AC_DEFUN([ZFS_LINUX_CONFTEST], [ | |
333 | cat confdefs.h - <<_ACEOF >conftest.c | |
334 | $1 | |
335 | _ACEOF | |
336 | ]) | |
337 | ||
338 | dnl # | |
339 | dnl # ZFS_LANG_PROGRAM(C)([PROLOGUE], [BODY]) | |
340 | dnl # | |
341 | m4_define([ZFS_LANG_PROGRAM], [ | |
342 | $1 | |
343 | int | |
344 | main (void) | |
345 | { | |
346 | dnl Do *not* indent the following line: there may be CPP directives. | |
347 | dnl Don't move the `;' right after for the same reason. | |
348 | $2 | |
349 | ; | |
350 | return 0; | |
351 | } | |
352 | ]) | |
353 | ||
354 | dnl # | |
355 | dnl # ZFS_LINUX_COMPILE_IFELSE / like AC_COMPILE_IFELSE | |
356 | dnl # | |
357 | AC_DEFUN([ZFS_LINUX_COMPILE_IFELSE], [ | |
358 | m4_ifvaln([$1], [ZFS_LINUX_CONFTEST([$1])]) | |
359 | rm -Rf build && mkdir -p build | |
360 | echo "obj-m := conftest.o" >build/Makefile | |
361 | AS_IF( | |
362 | [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])], | |
363 | [$4], | |
364 | [_AC_MSG_LOG_CONFTEST m4_ifvaln([$5],[$5])] | |
365 | ) | |
366 | rm -Rf build | |
367 | ]) | |
368 | ||
369 | dnl # | |
370 | dnl # ZFS_LINUX_TRY_COMPILE like AC_TRY_COMPILE | |
371 | dnl # | |
372 | AC_DEFUN([ZFS_LINUX_TRY_COMPILE], | |
373 | [ZFS_LINUX_COMPILE_IFELSE( | |
374 | [AC_LANG_SOURCE([ZFS_LANG_PROGRAM([[$1]], [[$2]])])], | |
375 | [modules], | |
376 | [test -s build/conftest.o], | |
377 | [$3], [$4]) | |
378 | ]) | |
379 | ||
380 | dnl # | |
381 | dnl # ZFS_LINUX_CONFIG | |
382 | dnl # | |
383 | AC_DEFUN([ZFS_LINUX_CONFIG], | |
384 | [AC_MSG_CHECKING([whether Linux was built with CONFIG_$1]) | |
385 | ZFS_LINUX_TRY_COMPILE([ | |
0da78696 | 386 | #include <linux/module.h> |
c9c0d073 BB |
387 | ],[ |
388 | #ifndef CONFIG_$1 | |
389 | #error CONFIG_$1 not #defined | |
390 | #endif | |
391 | ],[ | |
392 | AC_MSG_RESULT([yes]) | |
393 | $2 | |
394 | ],[ | |
395 | AC_MSG_RESULT([no]) | |
396 | $3 | |
397 | ]) | |
398 | ]) | |
399 | ||
400 | dnl # | |
401 | dnl # ZFS_CHECK_SYMBOL_EXPORT | |
402 | dnl # check symbol exported or not | |
403 | dnl # | |
404 | AC_DEFUN([ZFS_CHECK_SYMBOL_EXPORT], | |
405 | [AC_MSG_CHECKING([whether symbol $1 is exported]) | |
406 | grep -q -E '[[[:space:]]]$1[[[:space:]]]' \ | |
407 | $LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null | |
408 | rc=$? | |
8366cd6a | 409 | AS_IF([test $rc -ne 0], [ |
c9c0d073 BB |
410 | export=0 |
411 | for file in $2; do | |
412 | grep -q -E "EXPORT_SYMBOL.*($1)" "$LINUX/$file" 2>/dev/null | |
413 | rc=$? | |
8366cd6a PS |
414 | AS_IF([test $rc -eq 0], [ |
415 | export=1 | |
416 | break; | |
417 | ]) | |
c9c0d073 | 418 | done |
8366cd6a | 419 | AS_IF([test $export -eq 0], [ |
c9c0d073 BB |
420 | AC_MSG_RESULT([no]) |
421 | $4 | |
8366cd6a | 422 | ], [ |
c9c0d073 BB |
423 | AC_MSG_RESULT([yes]) |
424 | $3 | |
8366cd6a PS |
425 | ]) |
426 | ], [ | |
c9c0d073 BB |
427 | AC_MSG_RESULT([yes]) |
428 | $3 | |
8366cd6a | 429 | ]) |
c9c0d073 | 430 | ]) |