| 448 | | |
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| 449 | | if false; then |
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| 450 | | dnl async-io doesn't work for all file-systems |
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| 451 | | dnl we disable it here in the configure checks |
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| 452 | | dnl and in settings.h |
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| 453 | | |
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| 454 | | dnl Check for libaio |
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| 455 | | AC_MSG_CHECKING(for libaio) |
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| 456 | | AC_ARG_WITH(linux-aio, AC_HELP_STRING([--with-linux-aio],[Async IO support for Linux via libaio]), [WITH_LINUXLIBAIO=$withval],[WITH_LINUXLIBAIO=no]) |
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| 457 | | AC_MSG_RESULT([$WITH_LINUXLIBAIO]) |
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| 458 | | if test "$WITH_LINUXLIBAIO" != "no"; then |
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| 459 | | AC_CHECK_LIB(aio, io_submit, [ |
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| 460 | | AC_CHECK_HEADERS([libaio.h],[ |
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| 461 | | AIO_LIB="-laio -pthread" |
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| 462 | | AC_DEFINE([HAVE_LIBAIO], [1], [libaio]) |
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| 463 | | AC_DEFINE([HAVE_LIBAIO_H], [1], [libaio.h]) |
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| 464 | | ]) |
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| 465 | | ]) |
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| 466 | | AC_SUBST(AIO_LIB) |
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| 467 | | fi |
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| 468 | | |
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| 469 | | AC_SEARCH_LIBS(aio_suspend, rt, [ |
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| 470 | | AC_CHECK_HEADERS([aio.h],[ |
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| 471 | | if test "$ac_cv_search_aio_suspend" != no; then |
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| 472 | | if test "$ac_cv_search_aio_suspend" = "none required"; then |
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| 473 | | POSIX_AIO_LIB="-pthread" |
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| 474 | | else |
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| 475 | | POSIX_AIO_LIB="$ac_cv_search_aio_suspend -pthread" |
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| 476 | | fi |
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| 477 | | |
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| 478 | | fi |
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| 479 | | |
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| 480 | | AC_DEFINE([HAVE_LIBRT], [1], [librt]) |
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| 481 | | AC_DEFINE([HAVE_AIO_H], [1], [aio.h]) |
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| 482 | | ]) |
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| 483 | | ]) |
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| 484 | | AC_SUBST(POSIX_AIO_LIB) |
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| 485 | | fi |
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