| 1 | AC_PREREQ(2.59) |
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| 2 | AC_INIT |
1 | AC_INIT |
| 3 | AC_CONFIG_SRCDIR([libeio/eio.h]) |
2 | AC_CONFIG_SRCDIR([libeio/eio.h]) |
| 4 | AC_CONFIG_HEADERS([libeio/config.h]) |
3 | AC_CONFIG_HEADERS([libeio/config.h]) |
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4 | |
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5 | AC_PREREQ(2.60) |
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6 | AC_USE_SYSTEM_EXTENSIONS |
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7 | |
| 6 | AC_PROG_CC |
8 | AC_PROG_CC |
| 7 | |
9 | |
| 8 | m4_include([libeio/libeio.m4]) |
10 | m4_include([libeio/libeio.m4]) |
| 9 | |
11 | |
| 10 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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| 11 | dnl functionality actually being present. ugh. |
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| 12 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
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| 13 | #include <sys/mman.h> |
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| 14 | int main (void) |
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| 15 | { |
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| 16 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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| 17 | int a = POSIX_MADV_SEQUENTIAL; |
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| 18 | int b = POSIX_MADV_RANDOM; |
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| 19 | int c = POSIX_MADV_WILLNEED; |
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| 20 | int d = POSIX_MADV_DONTNEED; |
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| 21 | return 0; |
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| 22 | } |
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| 23 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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| 24 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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| 25 | |
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| 26 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
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| 27 | #define _XOPEN_SOURCE 600 |
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| 28 | #include <fcntl.h> |
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| 29 | int main (void) |
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| 30 | { |
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| 31 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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| 32 | int a = POSIX_FADV_SEQUENTIAL; |
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| 33 | int b = POSIX_FADV_NOREUSE; |
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| 34 | int c = POSIX_FADV_RANDOM; |
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| 35 | int d = POSIX_FADV_WILLNEED; |
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| 36 | int e = POSIX_FADV_DONTNEED; |
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| 37 | return 0; |
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| 38 | } |
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| 39 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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| 40 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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| 41 | |
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| 42 | AC_OUTPUT |
12 | AC_OUTPUT |
