+dnl Extra search path for DRI drivers
+AC_ARG_WITH([dri-searchpath],
+ [AS_HELP_STRING([--with-dri-searchpath=DIRS...],
+ [semicolon delimited DRI driver search directories @<:@${libdir}/dri@:>@])],
+ [DRI_DRIVER_SEARCH_DIR="$withval"],
+ [DRI_DRIVER_SEARCH_DIR='${DRI_DRIVER_INSTALL_DIR}'])
+AC_SUBST([DRI_DRIVER_SEARCH_DIR])