]>
Commit | Line | Data |
---|---|---|
0bba1a49 NS |
1 | # |
2 | # Check if we have a working fadvise system call | |
3 | # | |
4 | AC_DEFUN([AC_HAVE_FADVISE], | |
5 | [ AC_MSG_CHECKING([for fadvise ]) | |
6 | AC_TRY_COMPILE([ | |
7 | #define _GNU_SOURCE | |
8 | #define _FILE_OFFSET_BITS 64 | |
9 | #include <fcntl.h> | |
10 | ], [ | |
38c187fe | 11 | posix_fadvise(0, 1, 0, POSIX_FADV_NORMAL); |
0bba1a49 NS |
12 | ], have_fadvise=yes |
13 | AC_MSG_RESULT(yes), | |
14 | AC_MSG_RESULT(no)) | |
15 | AC_SUBST(have_fadvise) | |
16 | ]) | |
17 | ||
18 | # | |
19 | # Check if we have a working madvise system call | |
20 | # | |
21 | AC_DEFUN([AC_HAVE_MADVISE], | |
22 | [ AC_MSG_CHECKING([for madvise ]) | |
23 | AC_TRY_COMPILE([ | |
24 | #define _GNU_SOURCE | |
25 | #define _FILE_OFFSET_BITS 64 | |
26 | #include <sys/mman.h> | |
27 | ], [ | |
28 | posix_madvise(0, 0, MADV_NORMAL); | |
29 | ], have_madvise=yes | |
30 | AC_MSG_RESULT(yes), | |
31 | AC_MSG_RESULT(no)) | |
32 | AC_SUBST(have_madvise) | |
33 | ]) | |
34 | ||
35 | # | |
36 | # Check if we have a working mincore system call | |
37 | # | |
38 | AC_DEFUN([AC_HAVE_MINCORE], | |
39 | [ AC_MSG_CHECKING([for mincore ]) | |
40 | AC_TRY_COMPILE([ | |
41 | #define _GNU_SOURCE | |
42 | #define _FILE_OFFSET_BITS 64 | |
43 | #include <sys/mman.h> | |
44 | ], [ | |
45 | mincore(0, 0, 0); | |
46 | ], have_mincore=yes | |
47 | AC_MSG_RESULT(yes), | |
48 | AC_MSG_RESULT(no)) | |
49 | AC_SUBST(have_mincore) | |
50 | ]) | |
51 | ||
52 | # | |
53 | # Check if we have a working sendfile system call | |
54 | # | |
55 | AC_DEFUN([AC_HAVE_SENDFILE], | |
56 | [ AC_MSG_CHECKING([for sendfile ]) | |
57 | AC_TRY_COMPILE([ | |
58 | #define _GNU_SOURCE | |
59 | #define _FILE_OFFSET_BITS 64 | |
60 | #include <sys/sendfile.h> | |
61 | ], [ | |
62 | sendfile(0, 0, 0, 0); | |
63 | ], have_sendfile=yes | |
64 | AC_MSG_RESULT(yes), | |
65 | AC_MSG_RESULT(no)) | |
66 | AC_SUBST(have_sendfile) | |
67 | ]) | |
cfe6e3f0 NS |
68 | |
69 | # | |
70 | # Check if we have a getmntent libc call (IRIX, Linux) | |
71 | # | |
72 | AC_DEFUN([AC_HAVE_GETMNTENT], | |
73 | [ AC_MSG_CHECKING([for getmntent ]) | |
74 | AC_TRY_COMPILE([ | |
75 | #include <stdio.h> | |
76 | #include <mntent.h> | |
77 | ], [ | |
78 | getmntent(0); | |
79 | ], have_getmntent=yes | |
80 | AC_MSG_RESULT(yes), | |
81 | AC_MSG_RESULT(no)) | |
82 | AC_SUBST(have_getmntent) | |
83 | ]) | |
84 | ||
85 | # | |
86 | # Check if we have a getmntinfo libc call (FreeBSD, Mac OS X) | |
87 | # | |
88 | AC_DEFUN([AC_HAVE_GETMNTINFO], | |
89 | [ AC_MSG_CHECKING([for getmntinfo ]) | |
90 | AC_TRY_COMPILE([ | |
91 | #include <sys/param.h> | |
92 | #include <sys/ucred.h> | |
93 | #include <sys/mount.h> | |
94 | ], [ | |
95 | getmntinfo(0, 0); | |
96 | ], have_getmntinfo=yes | |
97 | AC_MSG_RESULT(yes), | |
98 | AC_MSG_RESULT(no)) | |
99 | AC_SUBST(have_getmntinfo) | |
100 | ]) | |
c0b5232a ES |
101 | |
102 | # | |
103 | # Check if we have a fallocate libc call (Linux) | |
104 | # | |
105 | AC_DEFUN([AC_HAVE_FALLOCATE], | |
106 | [ AC_MSG_CHECKING([for fallocate]) | |
107 | AC_TRY_LINK([ | |
c17c73e2 ES |
108 | #define _GNU_SOURCE |
109 | #define _FILE_OFFSET_BITS 64 | |
110 | #include <fcntl.h> | |
c0b5232a ES |
111 | #include <linux/falloc.h> |
112 | ], [ | |
113 | fallocate(0, 0, 0, 0); | |
114 | ], have_fallocate=yes | |
115 | AC_MSG_RESULT(yes), | |
116 | AC_MSG_RESULT(no)) | |
117 | AC_SUBST(have_fallocate) | |
118 | ]) | |
8f0e0912 CH |
119 | |
120 | # | |
121 | # Check if we have the fiemap ioctl (Linux) | |
122 | # | |
123 | AC_DEFUN([AC_HAVE_FIEMAP], | |
2912da5d NS |
124 | [ AC_MSG_CHECKING([for fiemap]) |
125 | AC_TRY_LINK([ | |
126 | #define _GNU_SOURCE | |
127 | #define _FILE_OFFSET_BITS 64 | |
128 | #include <linux/fs.h> | |
129 | #include <linux/fiemap.h> | |
130 | ], [ | |
131 | struct fiemap *fiemap; | |
132 | ioctl(0, FS_IOC_FIEMAP, (unsigned long)fiemap); | |
133 | ], have_fiemap=yes | |
134 | AC_MSG_RESULT(yes), | |
135 | AC_MSG_RESULT(no)) | |
8f0e0912 CH |
136 | AC_SUBST(have_fiemap) |
137 | ]) | |
197d5828 ES |
138 | |
139 | # | |
140 | # Check if we have a preadv libc call (Linux) | |
141 | # | |
142 | AC_DEFUN([AC_HAVE_PREADV], | |
143 | [ AC_MSG_CHECKING([for preadv]) | |
144 | AC_TRY_LINK([ | |
145 | #define _FILE_OFFSET_BITS 64 | |
146 | #define _BSD_SOURCE | |
147 | #include <sys/uio.h> | |
148 | ], [ | |
149 | preadv(0, 0, 0, 0); | |
150 | ], have_preadv=yes | |
151 | AC_MSG_RESULT(yes), | |
152 | AC_MSG_RESULT(no)) | |
153 | AC_SUBST(have_preadv) | |
154 | ]) | |
155 | ||
156 | # | |
157 | # Check if we have a sync_file_range libc call (Linux) | |
158 | # | |
159 | AC_DEFUN([AC_HAVE_SYNC_FILE_RANGE], | |
160 | [ AC_MSG_CHECKING([for sync_file_range]) | |
161 | AC_TRY_LINK([ | |
162 | #define _GNU_SOURCE | |
163 | #define _FILE_OFFSET_BITS 64 | |
164 | #include <fcntl.h> | |
165 | ], [ | |
166 | sync_file_range(0, 0, 0, 0); | |
167 | ], have_sync_file_range=yes | |
168 | AC_MSG_RESULT(yes), | |
169 | AC_MSG_RESULT(no)) | |
170 | AC_SUBST(have_sync_file_range) | |
171 | ]) | |
172 | ||
c7dd81c7 ES |
173 | # |
174 | # Check if we have a syncfs libc call (Linux) | |
175 | # | |
176 | AC_DEFUN([AC_HAVE_SYNCFS], | |
177 | [ AC_MSG_CHECKING([for syncfs]) | |
178 | AC_TRY_LINK([ | |
179 | #define _GNU_SOURCE | |
180 | #define _FILE_OFFSET_BITS 64 | |
181 | #include <unistd.h> | |
182 | ], [ | |
183 | syncfs(0); | |
184 | ], have_sync_fs=yes | |
185 | AC_MSG_RESULT(yes), | |
186 | AC_MSG_RESULT(no)) | |
187 | AC_SUBST(have_syncfs) | |
188 | ]) | |
189 | ||
3bc05641 BF |
190 | # |
191 | # Check if we have a readdir libc call | |
192 | # | |
193 | AC_DEFUN([AC_HAVE_READDIR], | |
194 | [ AC_MSG_CHECKING([for readdir]) | |
195 | AC_TRY_LINK([ | |
196 | #include <dirent.h> | |
197 | ], [ | |
198 | readdir(0); | |
199 | ], have_readdir=yes | |
200 | AC_MSG_RESULT(yes), | |
201 | AC_MSG_RESULT(no)) | |
202 | AC_SUBST(have_readdir) | |
203 | ]) | |
204 | ||
5121281b JT |
205 | # |
206 | # Check if we have a flc call (Mac OS X) | |
207 | # | |
208 | AC_DEFUN([AC_HAVE_FLS], | |
209 | [ AC_CHECK_DECL([fls], | |
210 | have_fls=yes, | |
211 | [], | |
212 | [#include <string.h>] | |
213 | ) | |
214 | AC_SUBST(have_fls) | |
215 | ]) | |
216 | ||
5ae294ea JT |
217 | # |
218 | # Check if there is mntent.h | |
219 | # | |
220 | AC_DEFUN([AC_HAVE_MNTENT], | |
221 | [ AC_CHECK_HEADERS(mntent.h, | |
222 | have_mntent=yes) | |
223 | AC_SUBST(have_mntent) | |
224 | ]) |