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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; |
