allow setting of ar from the commandline of configure

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@24078 b3059339-0415-0410-9bf9-f77b7e298cf2

configure

@@ -483,6 +483,7 @@ _install=install
 _ranlib=ranlib
 _ldconfig=ldconfig
 _cc=cc
+_ar=ar
 test "$CC" && _cc="$CC"
 _gcc_check=yes
 _as=auto
@@ -760,6 +761,9 @@ for ac_option do
   --as=*)
     _as=`echo $ac_option | cut -d '=' -f 2`
     ;;
+  --ar=*)
+    _ar=`echo $ac_option | cut -d '=' -f 2`
+    ;;
   --charset=*)
     _charset=`echo $ac_option | cut -d '=' -f 2`
     ;;
@@ -7483,6 +7487,7 @@ CONFDIR = \$(DESTDIR)$_confdir
 LIBDIR = \$(DESTDIR)$_libdir
 # FFmpeg uses libdir instead of LIBDIR
 libdir = \$(LIBDIR)
+AR = $_ar
 CC = $_cc
 CXX = $_cc
 HOST_CC = $_host_cc