kc3-lang/automake/m4/sanity.m4

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  Commit

• Hash : 4b893ece
  Author :
  Date : 2000-08-02T08:59:16
  

  * m4: Quote properly the name of the macros being defined.
  Use `#' instead of `dnl' where appropriate.
  * m4/header.m4 (AM_CONFIG_HEADER): Get rid of changequote, just
  quote.
  Don't quote passive characters.
  Pull the AC_PREREQ outside the macro.
  * m4/init.m4: Pull the AC_PREREQ outside the macro.
  

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• m4/sanity.m4

• #
  # Check to make sure that the build environment is sane.
  #
  
  AC_DEFUN([AM_SANITY_CHECK],
  [AC_MSG_CHECKING([whether build environment is sane])
  # Just in case
  sleep 1
  echo timestamp > conftestfile
  # Do `set' in a subshell so we don't clobber the current shell's
  # arguments.  Must try -L first in case configure is actually a
  # symlink; some systems play weird games with the mod time of symlinks
  # (eg FreeBSD returns the mod time of the symlink's containing
  # directory).
  if (
     set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
     if test "[$]*" = "X"; then
        # -L didn't work.
        set X `ls -t $srcdir/configure conftestfile`
     fi
     if test "[$]*" != "X $srcdir/configure conftestfile" \
        && test "[$]*" != "X conftestfile $srcdir/configure"; then
  
        # If neither matched, then we have a broken ls.  This can happen
        # if, for instance, CONFIG_SHELL is bash and it inherits a
        # broken ls alias from the environment.  This has actually
        # happened.  Such a system could not be considered "sane".
        AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
  alias in your environment])
     fi
  
     test "[$]2" = conftestfile
     )
  then
     # Ok.
     :
  else
     AC_MSG_ERROR([newly created file is older than distributed files!
  Check your system clock])
  fi
  rm -f conftest*
  AC_MSG_RESULT(yes)])
  

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