Improve clarity of error message when no known system was found.

diff --git a/configure.ac b/configure.ac
index 33634a0214f88e9c8bb044c4ce0e587ab68b38af..449bda64fe2cf7f747178d3eff66a695dd3e95ef 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -287,7 +287,7 @@ AC_MSG_CHECKING([for audio API])
 # Error case: no known realtime systems found.
 AS_IF([test x"$api" = "x"], [
   AC_MSG_RESULT([none])
-  AC_MSG_ERROR([Unknown system type for realtime support!])
+  AC_MSG_ERROR([No known system type found for realtime support!])
 ], [
   AC_MSG_RESULT([$found])
 ])