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Commit | Line | Data |
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197d5828 ES |
1 | # |
2 | # Check if we have a preadv libc call (Linux) | |
3 | # | |
4 | AC_DEFUN([AC_HAVE_PREADV], | |
5 | [ AC_MSG_CHECKING([for preadv]) | |
69d66277 DC |
6 | AC_LINK_IFELSE( |
7 | [ AC_LANG_PROGRAM([[ | |
197d5828 | 8 | #define _BSD_SOURCE |
c1436573 | 9 | #define _DEFAULT_SOURCE |
197d5828 | 10 | #include <sys/uio.h> |
69d66277 DC |
11 | ]], [[ |
12 | preadv(0, 0, 0, 0); | |
13 | ]]) | |
197d5828 ES |
14 | ], have_preadv=yes |
15 | AC_MSG_RESULT(yes), | |
16 | AC_MSG_RESULT(no)) | |
17 | AC_SUBST(have_preadv) | |
18 | ]) | |
19 | ||
c5deeac9 GR |
20 | # |
21 | # Check if we have a pwritev2 libc call (Linux) | |
22 | # | |
23 | AC_DEFUN([AC_HAVE_PWRITEV2], | |
24 | [ AC_MSG_CHECKING([for pwritev2]) | |
69d66277 DC |
25 | AC_LINK_IFELSE( |
26 | [ AC_LANG_PROGRAM([[ | |
d6642ab8 | 27 | #define _GNU_SOURCE |
c5deeac9 | 28 | #include <sys/uio.h> |
69d66277 DC |
29 | ]], [[ |
30 | pwritev2(0, 0, 0, 0, 0); | |
31 | ]]) | |
c5deeac9 GR |
32 | ], have_pwritev2=yes |
33 | AC_MSG_RESULT(yes), | |
34 | AC_MSG_RESULT(no)) | |
35 | AC_SUBST(have_pwritev2) | |
36 | ]) | |
37 | ||
628e112a AS |
38 | # |
39 | # Check if we have a copy_file_range system call (Linux) | |
40 | # | |
41 | AC_DEFUN([AC_HAVE_COPY_FILE_RANGE], | |
42 | [ AC_MSG_CHECKING([for copy_file_range]) | |
69d66277 DC |
43 | AC_LINK_IFELSE( |
44 | [ AC_LANG_PROGRAM([[ | |
628e112a AS |
45 | #define _GNU_SOURCE |
46 | #include <sys/syscall.h> | |
47 | #include <unistd.h> | |
69d66277 DC |
48 | ]], [[ |
49 | syscall(__NR_copy_file_range, 0, 0, 0, 0, 0, 0); | |
50 | ]]) | |
628e112a AS |
51 | ], have_copy_file_range=yes |
52 | AC_MSG_RESULT(yes), | |
53 | AC_MSG_RESULT(no)) | |
54 | AC_SUBST(have_copy_file_range) | |
55 | ]) | |
56 | ||
c7dd81c7 ES |
57 | # |
58 | # Check if we have a syncfs libc call (Linux) | |
59 | # | |
60 | AC_DEFUN([AC_HAVE_SYNCFS], | |
61 | [ AC_MSG_CHECKING([for syncfs]) | |
69d66277 DC |
62 | AC_LINK_IFELSE( |
63 | [ AC_LANG_PROGRAM([[ | |
c7dd81c7 | 64 | #define _GNU_SOURCE |
c7dd81c7 | 65 | #include <unistd.h> |
69d66277 DC |
66 | ]], [[ |
67 | syncfs(0); | |
68 | ]]) | |
eb24bcff | 69 | ], have_syncfs=yes |
c7dd81c7 ES |
70 | AC_MSG_RESULT(yes), |
71 | AC_MSG_RESULT(no)) | |
72 | AC_SUBST(have_syncfs) | |
73 | ]) | |
74 | ||
c14c7b79 | 75 | # |
f5629402 | 76 | # Check if we have a fsetxattr call |
c14c7b79 JT |
77 | # |
78 | AC_DEFUN([AC_HAVE_FSETXATTR], | |
79 | [ AC_CHECK_DECL([fsetxattr], | |
80 | have_fsetxattr=yes, | |
81 | [], | |
82 | [#include <sys/types.h> | |
f5629402 | 83 | #include <sys/xattr.h>] |
c14c7b79 JT |
84 | ) |
85 | AC_SUBST(have_fsetxattr) | |
86 | ]) | |
87 | ||
a49984b3 JT |
88 | # |
89 | # Check if we have a mremap call (not on Mac OS X) | |
90 | # | |
91 | AC_DEFUN([AC_HAVE_MREMAP], | |
92 | [ AC_CHECK_DECL([mremap], | |
93 | have_mremap=yes, | |
94 | [], | |
95 | [#define _GNU_SOURCE | |
96 | #include <sys/mman.h>] | |
97 | ) | |
98 | AC_SUBST(have_mremap) | |
99 | ]) | |
6529e656 DW |
100 | |
101 | # | |
102 | # Check if we need to override the system struct fsxattr with | |
103 | # the internal definition. This /only/ happens if the system | |
104 | # actually defines struct fsxattr /and/ the system definition | |
105 | # is missing certain fields. | |
106 | # | |
107 | AC_DEFUN([AC_NEED_INTERNAL_FSXATTR], | |
108 | [ | |
1e51132f DW |
109 | AC_CHECK_TYPE(struct fsxattr, |
110 | [ | |
111 | AC_CHECK_MEMBER(struct fsxattr.fsx_cowextsize, | |
112 | , | |
113 | need_internal_fsxattr=yes, | |
114 | [#include <linux/fs.h>] | |
115 | ) | |
116 | ],, | |
117 | [#include <linux/fs.h>] | |
118 | ) | |
6529e656 DW |
119 | AC_SUBST(need_internal_fsxattr) |
120 | ]) | |
71956d72 | 121 | |
dfe209d8 EB |
122 | # |
123 | # Check if we need to override the system struct fscrypt_add_key_arg | |
124 | # with the internal definition. This /only/ happens if the system | |
125 | # actually defines struct fscrypt_add_key_arg /and/ the system | |
126 | # definition is missing certain fields. | |
127 | # | |
128 | AC_DEFUN([AC_NEED_INTERNAL_FSCRYPT_ADD_KEY_ARG], | |
129 | [ | |
130 | AC_CHECK_TYPE(struct fscrypt_add_key_arg, | |
131 | [ | |
132 | AC_CHECK_MEMBER(struct fscrypt_add_key_arg.key_id, | |
133 | , | |
134 | need_internal_fscrypt_add_key_arg=yes, | |
135 | [#include <linux/fs.h>] | |
136 | ) | |
137 | ],, | |
138 | [#include <linux/fs.h>] | |
139 | ) | |
140 | AC_SUBST(need_internal_fscrypt_add_key_arg) | |
141 | ]) | |
142 | ||
e97caf71 EB |
143 | # |
144 | # Check if we need to override the system struct fscrypt_policy_v2 | |
145 | # with the internal definition. This /only/ happens if the system | |
146 | # actually defines struct fscrypt_policy_v2 /and/ the system | |
147 | # definition is missing certain fields. | |
148 | # | |
149 | AC_DEFUN([AC_NEED_INTERNAL_FSCRYPT_POLICY_V2], | |
150 | [ | |
151 | AC_CHECK_TYPE(struct fscrypt_policy_v2, | |
152 | [ | |
153 | AC_CHECK_MEMBER(struct fscrypt_policy_v2.log2_data_unit_size, | |
154 | , | |
155 | need_internal_fscrypt_policy_v2=yes, | |
156 | [#include <linux/fs.h>] | |
157 | ) | |
158 | ],, | |
159 | [#include <linux/fs.h>] | |
160 | ) | |
161 | AC_SUBST(need_internal_fscrypt_policy_v2) | |
162 | ]) | |
163 | ||
71956d72 DW |
164 | # |
165 | # Check if we have a FS_IOC_GETFSMAP ioctl (Linux) | |
166 | # | |
167 | AC_DEFUN([AC_HAVE_GETFSMAP], | |
168 | [ AC_MSG_CHECKING([for GETFSMAP]) | |
69d66277 DC |
169 | AC_LINK_IFELSE( |
170 | [ AC_LANG_PROGRAM([[ | |
71956d72 DW |
171 | #define _GNU_SOURCE |
172 | #include <sys/syscall.h> | |
173 | #include <unistd.h> | |
174 | #include <linux/fs.h> | |
175 | #include <linux/fsmap.h> | |
69d66277 DC |
176 | ]], [[ |
177 | unsigned long x = FS_IOC_GETFSMAP; | |
178 | struct fsmap_head fh; | |
179 | ]]) | |
71956d72 DW |
180 | ], have_getfsmap=yes |
181 | AC_MSG_RESULT(yes), | |
182 | AC_MSG_RESULT(no)) | |
183 | AC_SUBST(have_getfsmap) | |
184 | ]) | |
ce9adab0 JM |
185 | |
186 | AC_DEFUN([AC_HAVE_STATFS_FLAGS], | |
187 | [ | |
188 | AC_CHECK_TYPE(struct statfs, | |
189 | [ | |
190 | AC_CHECK_MEMBER(struct statfs.f_flags, | |
191 | have_statfs_flags=yes,, | |
192 | [#include <sys/vfs.h>] | |
193 | ) | |
194 | ],, | |
195 | [#include <sys/vfs.h>] | |
196 | ) | |
197 | AC_SUBST(have_statfs_flags) | |
198 | ]) | |
dad79683 RZ |
199 | |
200 | # | |
201 | # Check if we have MAP_SYNC defines (Linux) | |
202 | # | |
203 | AC_DEFUN([AC_HAVE_MAP_SYNC], | |
204 | [ AC_MSG_CHECKING([for MAP_SYNC]) | |
69d66277 DC |
205 | AC_COMPILE_IFELSE( |
206 | [ AC_LANG_PROGRAM([[ | |
28965957 | 207 | #include <sys/mman.h> |
69d66277 DC |
208 | ]], [[ |
209 | int flags = MAP_SYNC | MAP_SHARED_VALIDATE; | |
210 | ]]) | |
dad79683 RZ |
211 | ], have_map_sync=yes |
212 | AC_MSG_RESULT(yes), | |
213 | AC_MSG_RESULT(no)) | |
214 | AC_SUBST(have_map_sync) | |
215 | ]) | |
173a0283 DW |
216 | |
217 | # | |
218 | # Check if we have a mallinfo libc call | |
219 | # | |
220 | AC_DEFUN([AC_HAVE_MALLINFO], | |
221 | [ AC_MSG_CHECKING([for mallinfo ]) | |
69d66277 DC |
222 | AC_COMPILE_IFELSE( |
223 | [ AC_LANG_PROGRAM([[ | |
173a0283 | 224 | #include <malloc.h> |
69d66277 DC |
225 | ]], [[ |
226 | struct mallinfo test; | |
173a0283 | 227 | |
69d66277 DC |
228 | test.arena = 0; test.hblkhd = 0; test.uordblks = 0; test.fordblks = 0; |
229 | test = mallinfo(); | |
230 | ]]) | |
173a0283 DW |
231 | ], have_mallinfo=yes |
232 | AC_MSG_RESULT(yes), | |
233 | AC_MSG_RESULT(no)) | |
234 | AC_SUBST(have_mallinfo) | |
235 | ]) | |
b364a9c0 | 236 | |
c74f0468 DW |
237 | # |
238 | # Check if we have a mallinfo2 libc call | |
239 | # | |
240 | AC_DEFUN([AC_HAVE_MALLINFO2], | |
241 | [ AC_MSG_CHECKING([for mallinfo2 ]) | |
1a35c8df DW |
242 | AC_COMPILE_IFELSE( |
243 | [ AC_LANG_PROGRAM([[ | |
c74f0468 | 244 | #include <malloc.h> |
1a35c8df DW |
245 | ]], [[ |
246 | struct mallinfo2 test; | |
c74f0468 | 247 | |
1a35c8df DW |
248 | test.arena = 0; test.hblkhd = 0; test.uordblks = 0; test.fordblks = 0; |
249 | test = mallinfo2(); | |
250 | ]]) | |
c74f0468 DW |
251 | ], have_mallinfo2=yes |
252 | AC_MSG_RESULT(yes), | |
253 | AC_MSG_RESULT(no)) | |
254 | AC_SUBST(have_mallinfo2) | |
255 | ]) | |
256 | ||
b364a9c0 DW |
257 | # |
258 | # Check if we have a openat call | |
259 | # | |
260 | AC_DEFUN([AC_HAVE_OPENAT], | |
261 | [ AC_CHECK_DECL([openat], | |
262 | have_openat=yes, | |
263 | [], | |
264 | [#include <sys/types.h> | |
265 | #include <sys/stat.h> | |
266 | #include <fcntl.h>] | |
267 | ) | |
268 | AC_SUBST(have_openat) | |
269 | ]) | |
270 | ||
271 | # | |
272 | # Check if we have a fstatat call | |
273 | # | |
274 | AC_DEFUN([AC_HAVE_FSTATAT], | |
275 | [ AC_CHECK_DECL([fstatat], | |
276 | have_fstatat=yes, | |
277 | [], | |
278 | [#define _GNU_SOURCE | |
279 | #include <sys/types.h> | |
280 | #include <sys/stat.h> | |
281 | #include <unistd.h>]) | |
282 | AC_SUBST(have_fstatat) | |
283 | ]) | |
03c0cd8f DW |
284 | |
285 | # | |
286 | # Check if we have the SG_IO ioctl | |
287 | # | |
288 | AC_DEFUN([AC_HAVE_SG_IO], | |
289 | [ AC_MSG_CHECKING([for struct sg_io_hdr ]) | |
69d66277 DC |
290 | AC_COMPILE_IFELSE( |
291 | [ AC_LANG_PROGRAM([[ | |
292 | #include <scsi/sg.h> | |
d6642ab8 | 293 | #include <sys/ioctl.h> |
69d66277 DC |
294 | ]], [[ |
295 | struct sg_io_hdr hdr; | |
296 | ioctl(0, SG_IO, &hdr); | |
297 | ]]) | |
03c0cd8f DW |
298 | ], have_sg_io=yes |
299 | AC_MSG_RESULT(yes), | |
300 | AC_MSG_RESULT(no)) | |
301 | AC_SUBST(have_sg_io) | |
302 | ]) | |
303 | ||
304 | # | |
305 | # Check if we have the HDIO_GETGEO ioctl | |
306 | # | |
307 | AC_DEFUN([AC_HAVE_HDIO_GETGEO], | |
308 | [ AC_MSG_CHECKING([for struct hd_geometry ]) | |
69d66277 DC |
309 | AC_COMPILE_IFELSE( |
310 | [ AC_LANG_PROGRAM([[ | |
d6642ab8 AS |
311 | #include <linux/hdreg.h> |
312 | #include <sys/ioctl.h> | |
69d66277 DC |
313 | ]], [[ |
314 | struct hd_geometry hdr; | |
315 | ioctl(0, HDIO_GETGEO, &hdr); | |
316 | ]]) | |
03c0cd8f DW |
317 | ], have_hdio_getgeo=yes |
318 | AC_MSG_RESULT(yes), | |
319 | AC_MSG_RESULT(no)) | |
320 | AC_SUBST(have_hdio_getgeo) | |
321 | ]) | |
1b0adc71 | 322 | |
e61f1552 DW |
323 | AC_DEFUN([AC_PACKAGE_CHECK_LTO], |
324 | [ AC_MSG_CHECKING([if C compiler supports LTO]) | |
325 | OLD_CFLAGS="$CFLAGS" | |
326 | OLD_LDFLAGS="$LDFLAGS" | |
327 | LTO_FLAGS="-flto -ffat-lto-objects" | |
328 | CFLAGS="$CFLAGS $LTO_FLAGS" | |
329 | LDFLAGS="$LDFLAGS $LTO_FLAGS" | |
330 | AC_LINK_IFELSE([AC_LANG_PROGRAM([])], | |
331 | [AC_MSG_RESULT([yes])] | |
332 | [lto_cflags=$LTO_FLAGS] | |
333 | [lto_ldflags=$LTO_FLAGS] | |
334 | [AC_PATH_PROG(gcc_ar, gcc-ar,,)] | |
335 | [AC_PATH_PROG(gcc_ranlib, gcc-ranlib,,)], | |
336 | [AC_MSG_RESULT([no])]) | |
337 | if test -x "$gcc_ar" && test -x "$gcc_ranlib"; then | |
338 | have_lto=yes | |
339 | fi | |
340 | CFLAGS="${OLD_CFLAGS}" | |
341 | LDFLAGS="${OLD_LDFLAGS}" | |
342 | AC_SUBST(gcc_ar) | |
343 | AC_SUBST(gcc_ranlib) | |
344 | AC_SUBST(have_lto) | |
345 | AC_SUBST(lto_cflags) | |
346 | AC_SUBST(lto_ldflags) | |
347 | ]) |