RE: msys : convert datadir to windows directory syntax

[Duft Markus]

Hi!

I found a comment in some macro i used to use some time ago (to define
directories). It seems that since autoconf 2.60 $datadir contains
$datarootdir, so either use $datarootdir directly, or change the
MSYS_... Macro to do an eval on that variable, so it gets resolved.

Heres the macro too:

AC_DEFUN([WGCC_DEFINE_DIR], [
  prefix_NONE=
  exec_prefix_NONE=
  test "x$prefix" = xNONE && prefix_NONE=yes &&
prefix=$ac_default_prefix
  test "x$exec_prefix" = xNONE && exec_prefix_NONE=yes &&
exec_prefix=$prefix
dnl In Autoconf 2.60, ${datadir} refers to ${datarootdir}, which in turn
dnl refers to ${prefix}.  Thus we have to use `eval' twice.
  eval ac_define_dir="\"[$]$2\""
  eval ac_define_dir="\"$ac_define_dir\""
  AC_SUBST($1, "$ac_define_dir")
  AC_DEFINE_UNQUOTED($1, "$ac_define_dir", [$3])
  test "$prefix_NONE" && prefix=NONE
  test "$exec_prefix_NONE" && exec_prefix=NONE
])

Cheers, Markus

Vincent Torri <> wrote:
> Hey,
> 
> On Mon, 3 Sep 2007, Keith Marshall wrote:
> 
>> On Monday 03 September 2007 18:31, Vincent Torri wrote:
>>> With msys, it is defined as /usr/local/share. But I use that macro
>>> with fopen, which returns an error (file not found)
>>> 
>>> I would like it to be c:/***/***/local/share
>>> 
>>> Is it possible ?
>> 
>> Yes.  You can use the MSYS_AC_CANONICAL_PATH macro, published some
>> time ago on the MinGW/MSYS lists:
>> http://article.gmane.org/gmane.comp.gnu.mingw.msys/2785 
> 
> I have a problem with that macro. First note, that I am using autoconf
> 2.61.
> 
> Here is how I use that macro:
> 
> in configure.ac:
> 
> efreet_datadir=$datadir
> case "$host_os" in
>     mingw|mingw32)
>        MSYS_AC_CANONICAL_PATH([efreet_datadir], [$datadir])
>     ;;
> esac
> AC_SUBST(efreet_datadir)
> 
> But in the created Makefile, the value of efreet_datadir is:
> 
> efreet_datadir =
> D:/msys/1.0/home/vincent/tmp/e17/libs/efreet/${datarootdir}
> 
> do you know why ?
> 
> thank you
> 
> Vincent Torri
> 
> 
> _______________________________________________
> Autoconf mailing list
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