configure: Add rules for rebuilding icons in maintainer mode.
diff --git a/configure.ac b/configure.ac
index daa7e78..abf8374 100644
--- a/configure.ac
+++ b/configure.ac
@@ -188,6 +188,14 @@
dnl Check for various programs
AC_CHECK_PROGS(FONTFORGE, fontforge, false)
AC_CHECK_PROGS(PKG_CONFIG, pkg-config, false)
+AC_CHECK_PROGS(RSVG, rsvg, false)
+AC_CHECK_PROGS(ICOTOOL, icotool, false)
+
+if test "${enable_maintainer_mode+set}" = set
+then
+ if test "$RSVG" = "false"; then WINE_WARNING([rsvg is missing, icons can't be rebuilt.]); fi
+ if test "$ICOTOOL" = "false"; then WINE_WARNING([icotool is missing, icons can't be rebuilt.]); fi
+fi
case $host_cpu in
*i[[3456789]]86*)
