Permettre de tester l'existence d'une struct ou d'une union

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@6192 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

config/auto-aux/hasgot

@@ -4,10 +4,11 @@ opts=""
 libs="$cclibs"
 args=$*
 rm -f hasgot.c
+var="x"
 while : ; do
   case "$1" in
     -i) echo "#include <$2>" >> hasgot.c; shift;;
-    -t) echo "$2 the_$2;" >> hasgot.c; shift;;
+    -t) echo "$2 $var;" >> hasgot.c; var="x$var"; shift;;
     -l*|-L*|-F*) libs="$libs $1";;
     -framework) libs="$libs $1 $2"; shift;;
     -*) opts="$opts $1";;