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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 | |
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89 | AC_CACHE_CHECK([for siginfo_t], ac_cv_siginfo_t, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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90 | #include <signal.h> |
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91 | int main (void) |
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92 | { |
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93 | siginfo_t si; |
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94 | si.si_code; |
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95 | si.si_pid; |
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96 | si.si_uid; |
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97 | si.si_value.sival_int; |
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98 | si.si_value.sival_ptr; |
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99 | return 0; |
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100 | } |
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101 | ])],ac_cv_siginfo_t=yes,ac_cv_siginfo_t=no)]) |
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102 | test $ac_cv_siginfo_t = yes && AC_DEFINE(HAVE_SIGINFO_T, 1, have siginfo_t in signal.h) |
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103 | |
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104 | AC_CACHE_CHECK([for unix-style syscall interface], ac_cv_syscall, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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105 | #include <unistd.h> |
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106 | #include <sys/syscall.h> |
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107 | int main (void) |
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108 | { |
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109 | long res = syscall (SYS_exit, 0); |
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110 | return 0; |
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111 | } |
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112 | ])],ac_cv_syscall=yes,ac_cv_syscall=no)]) |
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113 | test $ac_cv_syscall = yes && AC_DEFINE(HAVE_SYSCALL, 1, unix syscall interface) |
| 73 | |
114 | |
| 74 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
115 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
| 75 | #include <sys/types.h> |
116 | #include <sys/types.h> |
| 76 | #include <fcntl.h> |
117 | #include <fcntl.h> |
| 77 | #include <sys/uio.h> |
118 | #include <sys/uio.h> |
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| 232 | return 0; |
273 | return 0; |
| 233 | } |
274 | } |
| 234 | ]])],ac_cv_statx=yes,ac_cv_statx=no)]) |
275 | ]])],ac_cv_statx=yes,ac_cv_statx=no)]) |
| 235 | test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available) |
276 | test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available) |
| 236 | |
277 | |
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278 | AC_CACHE_CHECK(for accept4, ac_cv_accept4, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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279 | #include <sys/types.h> |
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280 | #include <sys/socket.h> |
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281 | int main (void) |
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282 | { |
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283 | int res = accept4 (1, (struct sockaddr *)0, (socklen_t)0, SOCK_NONBLOCK | SOCK_CLOEXEC); |
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284 | return 0; |
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285 | } |
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286 | ]])],ac_cv_accept4=yes,ac_cv_accept4=no)]) |
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287 | test $ac_cv_accept4 = yes && AC_DEFINE(HAVE_ACCEPT4, 1, accept4(2) is available) |
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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 | |
| 237 | AC_OUTPUT |
318 | AC_OUTPUT |
| 238 | |
319 | |
