72 lines
2.6 KiB
Text
72 lines
2.6 KiB
Text
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# Configure checks for struct timespec
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# Copyright (C) 2000-2001, 2003-2007, 2009-2011, 2012 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# Original written by Paul Eggert and Jim Meyering.
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# Modified by Chet Ramey for bash
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dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
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dnl in time.h, sys/time.h, or pthread.h.
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AC_DEFUN([BASH_CHECK_TYPE_STRUCT_TIMESPEC],
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[
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AC_CHECK_HEADERS_ONCE([sys/time.h])
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AC_CACHE_CHECK([for struct timespec in <time.h>],
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[bash_cv_sys_struct_timespec_in_time_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <time.h>
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]],
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[[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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[bash_cv_sys_struct_timespec_in_time_h=yes],
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[bash_cv_sys_struct_timespec_in_time_h=no])])
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HAVE_STRUCT_TIMESPEC=0
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TIME_H_DEFINES_STRUCT_TIMESPEC=0
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SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0
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PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0
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if test $bash_cv_sys_struct_timespec_in_time_h = yes; then
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AC_DEFINE([HAVE_STRUCT_TIMESPEC])
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AC_DEFINE([TIME_H_DEFINES_STRUCT_TIMESPEC])
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TIME_H_DEFINES_STRUCT_TIMESPEC=1
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else
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AC_CACHE_CHECK([for struct timespec in <sys/time.h>],
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[bash_cv_sys_struct_timespec_in_sys_time_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <sys/time.h>
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]],
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[[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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[bash_cv_sys_struct_timespec_in_sys_time_h=yes],
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[bash_cv_sys_struct_timespec_in_sys_time_h=no])])
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if test $bash_cv_sys_struct_timespec_in_sys_time_h = yes; then
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SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1
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AC_DEFINE([HAVE_STRUCT_TIMESPEC])
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AC_DEFINE([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
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else
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AC_CACHE_CHECK([for struct timespec in <pthread.h>],
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[bash_cv_sys_struct_timespec_in_pthread_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <pthread.h>
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]],
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[[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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[bash_cv_sys_struct_timespec_in_pthread_h=yes],
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[bash_cv_sys_struct_timespec_in_pthread_h=no])])
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if test $bash_cv_sys_struct_timespec_in_pthread_h = yes; then
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PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1
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AC_DEFINE([HAVE_STRUCT_TIMESPEC])
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AC_DEFINE([PTHREAD_H_DEFINES_STRUCT_TIMESPEC])
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fi
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fi
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fi
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AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC])
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AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
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AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC])
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])
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