X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Freadline.m4;h=3082d1bf6de93a923434f93df4cea02c8d016c7c;hb=620e0d080536f8d8655e24b2965b05b95c00396d;hp=f082192a4a62f8432e44dd18e8485b7bf06a3fac;hpb=bd4afb37950aaaab7a97a4423c33b1a920387bce;p=gnulib.git

diff --git a/m4/readline.m4 b/m4/readline.m4
index f082192a4..3082d1bf6 100644
--- a/m4/readline.m4
+++ b/m4/readline.m4
@@ -39,8 +39,10 @@ AC_DEFUN([gl_FUNC_READLINE],
         [readline((char*)0);],
         gl_cv_lib_readline=yes)
       if test "$gl_cv_lib_readline" = yes; then
-        LIBREADLINE="$LIBREADLINE -l$extra_lib"
-        LTLIBREADLINE="$LTLIBREADLINE -l$extra_lib"
+        if test -n "$extra_lib"; then
+          LIBREADLINE="$LIBREADLINE -l$extra_lib"
+          LTLIBREADLINE="$LTLIBREADLINE -l$extra_lib"
+        fi
         break
       fi
     done