Re: SKIP_FTRUNCATE_CHECK

[Bruno Haible]

Hello Jim,

>       * m4/ftruncate.m4: Adjust comment to give this module a 3-year reprieve.
>       Prompted by a report from Bruno Haible that mingw lacks ftruncate.

I also meant to make life easier to people using mingw. mingw will not have
gone away in three years - that's more a matter of 10-15 years. How about this?


2007-02-19  Bruno Haible  <address@hidden>

        * m4/ftruncate.m4 (gl_FUNC_FTRUNCATE): Don't request a complaint mail
        from mingw users.

*** m4/ftruncate.m4     19 Feb 2007 18:19:34 -0000      1.13
--- m4/ftruncate.m4     19 Feb 2007 23:14:50 -0000
***************
*** 1,4 ****
! #serial 12
  
  # See if we need to emulate a missing ftruncate function using fcntl or 
chsize.
  
--- 1,4 ----
! #serial 13
  
  # See if we need to emulate a missing ftruncate function using fcntl or 
chsize.
  
***************
*** 15,34 ****
  AC_DEFUN([gl_FUNC_FTRUNCATE],
  [
    AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
    AC_CHECK_FUNCS_ONCE([ftruncate])
    if test $ac_cv_func_ftruncate = no; then
      HAVE_FTRUNCATE=0
      AC_LIBOBJ([ftruncate])
      gl_PREREQ_FTRUNCATE
!     # If someone lacks ftruncate, make configure fail, and request
!     # a bug report to inform us about it.
!     if test x"$SKIP_FTRUNCATE_CHECK" != xyes; then
!       AC_MSG_FAILURE([Your system lacks the ftruncate function.
!         Please report this, along with the output of "uname -a", to the
!         address@hidden mailing list.  To continue past this point,
!         rerun configure with SKIP_FTRUNCATE_CHECK=yes.
!         E.g., ./configure SKIP_FTRUNCATE_CHECK=yes])
!     fi
    fi
  ])
  
--- 15,41 ----
  AC_DEFUN([gl_FUNC_FTRUNCATE],
  [
    AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+   AC_REQUIRE([AC_CANONICAL_HOST])
    AC_CHECK_FUNCS_ONCE([ftruncate])
    if test $ac_cv_func_ftruncate = no; then
      HAVE_FTRUNCATE=0
      AC_LIBOBJ([ftruncate])
      gl_PREREQ_FTRUNCATE
!     case "$host_os" in
!       mingw*)
!         # Yes, we know mingw lacks ftruncate.
!         ;;
!       *)
!         # If someone lacks ftruncate, make configure fail, and request
!         # a bug report to inform us about it.
!         if test x"$SKIP_FTRUNCATE_CHECK" != xyes; then
!           AC_MSG_FAILURE([Your system lacks the ftruncate function.
!             Please report this, along with the output of "uname -a", to the
!             address@hidden mailing list.  To continue past this point,
!             rerun configure with SKIP_FTRUNCATE_CHECK=yes.
!             E.g., ./configure SKIP_FTRUNCATE_CHECK=yes])
!         fi
!     esac
    fi
  ])