Clarify error message

diff --git a/configure.ac b/configure.ac
index 97c4bc5..7377009 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1535,7 +1535,7 @@ AC_SUBST([PTHREAD_LIBS])
 if test "x$with_libpthread" = "xyes"
 then
        SAVE_LIBS="$LIBS"
-       AC_CHECK_LIB(pthread, pthread_create, [], [with_libpthread="no (libpthread not found)"], [])
+       AC_CHECK_LIB(pthread, pthread_create, [], [with_libpthread="no (Symbol 'pthread_create' not found)"], [])
        PTHREAD_LIBS="$LIBS"
        LIBS="$SAVE_LIBS"
 fi