complain if ar is missing

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22865 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

configure

@@ -11362,7 +11362,6 @@ do
 done
 done
 
-  test -z "$ac_cv_prog_AR" && ac_cv_prog_AR="ar"
 fi
 fi
 AR=$ac_cv_prog_AR
@@ -11374,6 +11373,11 @@ else
 echo "${ECHO_T}no" >&6
 fi
 
+if test "x$AR" = "x" ; then
+    { { echo "$as_me:$LINENO: error: ar is needed to build wxWindows" >&5
+echo "$as_me: error: ar is needed to build wxWindows" >&2;}
+   { (exit 1); exit 1; }; }
+fi
 
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
@@ -34880,8 +34884,6 @@ fi
 
 
 
-
-
     # Check whether --enable-precomp-headers or --disable-precomp-headers was given.
 if test "${enable_precomp_headers+set}" = set; then
   enableval="$enable_precomp_headers"

configure.in

@@ -1309,7 +1309,10 @@ AC_PROG_RANLIB
 
 dnl ar command
 dnl   defines AR with the appropriate command
-AC_CHECK_PROG(AR, ar, ar, ar)
+AC_CHECK_PROG(AR, ar, ar)
+if test "x$AR" = "x" ; then
+    AC_MSG_ERROR([ar is needed to build wxWindows])
+fi
 
 dnl install checks
 dnl   defines INSTALL with the appropriate command