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  • Committer: Bazaar Package Importer
  • Author(s): Santiago Vila
  • Date: 2010-05-04 20:38:00 UTC
  • mfrom: (2.1.7 sid)
  • Revision ID: james.westby@ubuntu.com-20100504203800-f67xd9rsa9xl9qqj
Tags: 1:3.0-1
New upstream release.

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m4/st_mtim.m4
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#serial 5
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dnl From Paul Eggert.
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# Define ST_MTIM_NSEC to be the nanoseconds member of struct stat's st_mtim,
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# if it exists.
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AC_DEFUN([AC_STRUCT_ST_MTIM_NSEC],
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 [AC_CACHE_CHECK([for nanoseconds member of struct stat.st_mtim],
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   ac_cv_struct_st_mtim_nsec,
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   [ac_save_CPPFLAGS="$CPPFLAGS"
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    ac_cv_struct_st_mtim_nsec=no
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    # tv_nsec -- the usual case
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    # _tv_nsec -- Solaris 2.6, if
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    #   (defined _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED == 1
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    #    && !defined __EXTENSIONS__)
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    # st__tim.tv_nsec -- UnixWare 2.1.2
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    for ac_val in tv_nsec _tv_nsec st__tim.tv_nsec; do
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      CPPFLAGS="$ac_save_CPPFLAGS -DST_MTIM_NSEC=$ac_val"
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      AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/stat.h>], [struct stat s; s.st_mtim.ST_MTIM_NSEC;],
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        [ac_cv_struct_st_mtim_nsec=$ac_val; break])
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    done
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    CPPFLAGS="$ac_save_CPPFLAGS"])
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  if test $ac_cv_struct_st_mtim_nsec != no; then
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    AC_DEFINE_UNQUOTED(ST_MTIM_NSEC, $ac_cv_struct_st_mtim_nsec,
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      [Define to be the nanoseconds member of struct stat's st_mtim,
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   if it exists.])
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  fi
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 ]
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)