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| 68 | AC_CHECK_HEADERS([sys/mkdev.h]) |
68 | AC_CHECK_HEADERS([sys/mkdev.h]) |
| 69 | |
69 | |
| 70 | dnl readv / preadv, vmsplice |
70 | dnl readv / preadv, vmsplice |
| 71 | AC_CHECK_HEADERS([sys/uio.h]) |
71 | AC_CHECK_HEADERS([sys/uio.h]) |
| 72 | |
72 | |
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73 | dnl fexecve has always been in the single unix specification |
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74 | dnl but some atrocities (like opsnbsd and osx) claim implementing it |
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75 | dnl but then not definining it. ugh. garbage. and fexecve would be |
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76 | dnl useful for security, but, no, not on openbsd. we'd rather lie |
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77 | dnl about it. |
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78 | AC_CACHE_CHECK(for fexecve, ac_cv_fexecve, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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79 | #include <fcntl.h> |
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80 | #include <unistd.h> |
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81 | int main (void) |
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82 | { |
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83 | int res = fexecve (-1, "argv", 0); |
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84 | return 0; |
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85 | } |
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86 | ]])],ac_cv_fexecve=yes,ac_cv_fexecve=no)]) |
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87 | test $ac_cv_fexecve = yes && AC_DEFINE(HAVE_FEXECVE, 1, fexecve(2) is available) |
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88 | |
| 73 | AC_CACHE_CHECK([for siginfo_t], ac_cv_siginfo_t, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
89 | AC_CACHE_CHECK([for siginfo_t], ac_cv_siginfo_t, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
| 74 | #include <signal.h> |
90 | #include <signal.h> |
| 75 | int main (void) |
91 | int main (void) |
| 76 | { |
92 | { |
| 77 | siginfo_t si; |
93 | siginfo_t si; |
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| 262 | AC_CACHE_CHECK(for accept4, ac_cv_accept4, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
278 | AC_CACHE_CHECK(for accept4, ac_cv_accept4, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
| 263 | #include <sys/types.h> |
279 | #include <sys/types.h> |
| 264 | #include <sys/socket.h> |
280 | #include <sys/socket.h> |
| 265 | int main (void) |
281 | int main (void) |
| 266 | { |
282 | { |
| 267 | int res; |
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| 268 | res = accept4 (1, (struct sockaddr *)0, (socklen_t)0, SOCK_NONBLOCK | SOCK_CLOEXEC); |
283 | int res = accept4 (1, (struct sockaddr *)0, (socklen_t)0, SOCK_NONBLOCK | SOCK_CLOEXEC); |
| 269 | return 0; |
284 | return 0; |
| 270 | } |
285 | } |
| 271 | ]])],ac_cv_accept4=yes,ac_cv_accept4=no)]) |
286 | ]])],ac_cv_accept4=yes,ac_cv_accept4=no)]) |
| 272 | test $ac_cv_accept4 = yes && AC_DEFINE(HAVE_ACCEPT4, 1, accept4(2) is available) |
287 | test $ac_cv_accept4 = yes && AC_DEFINE(HAVE_ACCEPT4, 1, accept4(2) is available) |
| 273 | |
288 | |
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289 | AC_CHECK_HEADERS([sys/mount.h]) |
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290 | AC_CACHE_CHECK(for mount, ac_cv_mount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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291 | #include <sys/mount.h> |
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292 | int main (void) |
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293 | { |
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294 | int res = mount ("path", "path", "fstype", MS_RDONLY, 0); |
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295 | return 0; |
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296 | } |
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297 | ]])],ac_cv_mount=yes,ac_cv_mount=no)]) |
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298 | test $ac_cv_mount = yes && AC_DEFINE(HAVE_MOUNT, 1, mount is available) |
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299 | AC_CACHE_CHECK(for umount, ac_cv_umount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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300 | #include <sys/mount.h> |
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301 | int main (void) |
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302 | { |
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303 | int res = umount ("path"); |
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304 | return 0; |
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305 | } |
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306 | ]])],ac_cv_umount=yes,ac_cv_umount=no)]) |
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307 | test $ac_cv_umount = yes && AC_DEFINE(HAVE_UMOUNT, 1, umount is available) |
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308 | AC_CACHE_CHECK(for umount2, ac_cv_umount2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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309 | #include <sys/mount.h> |
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310 | int main (void) |
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311 | { |
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312 | int res = umount2 ("path", MNT_FORCE|MNT_DETACH); |
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313 | return 0; |
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314 | } |
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315 | ]])],ac_cv_umount2=yes,ac_cv_umount2=no)]) |
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316 | test $ac_cv_umount2 = yes && AC_DEFINE(HAVE_UMOUNT2, 1, umount2 is available) |
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317 | |
| 274 | AC_OUTPUT |
318 | AC_OUTPUT |
| 275 | |
319 | |
