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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 | AC_CACHE_CHECK([for unix-style syscall interface], ac_cv_syscall, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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74 | #include <unistd.h> |
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75 | #include <sys/syscall.h> |
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76 | int main (void) |
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77 | { |
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78 | long res = syscall (SYS_exit, 0); |
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79 | return 0; |
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80 | } |
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81 | ])],ac_cv_syscall=yes,ac_cv_syscall=no)]) |
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82 | test $ac_cv_syscall = yes && AC_DEFINE(HAVE_SYSCALL, 1, unix syscall interface) |
73 | |
83 | |
74 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
84 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
75 | #include <sys/types.h> |
85 | #include <sys/types.h> |
76 | #include <fcntl.h> |
86 | #include <fcntl.h> |
77 | #include <sys/uio.h> |
87 | #include <sys/uio.h> |