kc3-lang/gnulib/m4/time_h.m4

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• Hash : 64c23b1a
  Author :
  Date : 2007-09-06T17:52:29
  

  * m4/time_h.m4 (gl_CHECK_TYPE_STRUCT_TIMESPEC): Fix misspelling
  in variable name.
  

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• m4/time_h.m4

• # Configure a more-standard replacement for <time.h>.
  
  # Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2007 Free Software
  # Foundation, Inc.
  
  # This file is free software; the Free Software Foundation
  # gives unlimited permission to copy and/or distribute it,
  # with or without modifications, as long as this notice is preserved.
  
  # Written by Paul Eggert and Jim Meyering.
  
  AC_DEFUN([gl_HEADER_TIME_H],
  [
    dnl Use AC_REQUIRE here, so that the default behavior below is expanded
    dnl once only, before all statements that occur in other macros.
    AC_REQUIRE([gl_HEADER_TIME_H_BODY])
  ])
  
  AC_DEFUN([gl_HEADER_TIME_H_BODY],
  [
    AC_REQUIRE([AC_C_RESTRICT])
    AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
    gl_CHECK_NEXT_HEADERS([time.h])
    AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC])
  ])
  
  AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS],
  [
    dnl If another module says to replace or to not replace, do that.
    dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK;
    dnl this lets maintainers check for portability.
    REPLACE_LOCALTIME_R=GNULIB_PORTCHECK;  AC_SUBST([REPLACE_LOCALTIME_R])
    REPLACE_NANOSLEEP=GNULIB_PORTCHECK;    AC_SUBST([REPLACE_NANOSLEEP])
    REPLACE_STRPTIME=GNULIB_PORTCHECK;     AC_SUBST([REPLACE_STRPTIME])
    REPLACE_TIMEGM=GNULIB_PORTCHECK;       AC_SUBST([REPLACE_TIMEGM])
  ])
  
  dnl Define HAVE_STRUCT_TIMESPEC if `struct timespec' is declared
  dnl in time.h or sys/time.h.
  
  AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
  [
    AC_CHECK_HEADERS_ONCE([sys/time.h])
    AC_CACHE_CHECK([for struct timespec in <time.h>],
      [gl_cv_sys_struct_timespec_in_time_h],
      [AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM(
  	  [[#include <time.h>
  	  ]],
  	  [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
         [gl_cv_sys_struct_timespec_in_time_h=yes],
         [gl_cv_sys_struct_timespec_in_time_h=no])])
  
    TIME_H_DEFINES_STRUCT_TIMESPEC=0
    SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0
    if test $gl_cv_sys_struct_timespec_in_time_h = yes; then
      TIME_H_DEFINES_STRUCT_TIMESPEC=1
    else
      AC_CACHE_CHECK([for struct timespec in <sys/time.h>],
        [gl_cv_sys_struct_timespec_in_sys_time_h],
        [AC_COMPILE_IFELSE(
  	 [AC_LANG_PROGRAM(
  	    [[#include <sys/time.h>
  	    ]],
  	    [[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
  	 [gl_cv_sys_struct_timespec_in_sys_time_h=yes],
  	 [gl_cv_sys_struct_timespec_in_sys_time_h=no])])
      if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then
        SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1
      fi
    fi
    AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC])
    AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
  ])
  

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