diff --git a/README.md b/README.md
index 62a60e5..430ac35 100644
--- a/README.md
+++ b/README.md
@@ -55,9 +55,19 @@ $result = $script->Run($context);
 echo $result->ToString($context)->Value(), PHP_EOL;
 ```
 
-which will output `Hello, World!`. See how it's shorter and more readable than [that C++ version]([v8-hello-world])?
+which will output `Hello, World!`. See how it's shorter and more readable than [that C++ version][v8-hello-world]?
 And it also doesn't limit you from V8 API utilizing to implement more amazing stuff.
 
+
+## Stub files
+
+If you are also using Composer, it is recommended to add the [php-v8-stub][php-v8-stubs]
+package as a dev-mode requirement. It provides skeleton definitions and annotations to enable support for auto-completion
+in your IDE and other code-analysis tools.
+
+    composer require --dev pinepain/php-v8-stubs
+
+
 ## Installation
 
 ### Requirements
@@ -155,3 +165,4 @@ Copyright (c) 2015-2016 Bogdan Padalko <pinepain@gmail.com>
 [v8-intro]: https://developers.google.com/v8/intro
 [php70-v8.rb]: https://github.com/pinepain/php-v8/blob/master/scripts/homebrew/php70-v8.rb
 [php71-v8.rb]: https://github.com/pinepain/php-v8/blob/master/scripts/homebrew/php71-v8.rb
+[php-v8-stubs]: https://github.com/pinepain/php-v8-stubs
diff --git a/config.m4 b/config.m4
index 852eb9f..ee28f3e 100644
--- a/config.m4
+++ b/config.m4
@@ -76,6 +76,7 @@ if test "$PHP_V8" != "no"; then
 
   for static_link_extra_file in $static_link_extra; do
     AC_MSG_CHECKING([for $static_link_extra_file])
+    static_link_dir=""
 
     for i in $PHP_V8 $SEARCH_PATH ; do
       if test -r $i/lib64/$static_link_extra_file; then
@@ -90,7 +91,7 @@ if test "$PHP_V8" != "no"; then
 
     if test -z "$static_link_dir"; then
       AC_MSG_RESULT([not found])
-      AC_MSG_ERROR([Please provide $static_link_extra_file next to the libv8.so, see README.md for details])
+      AC_MSG_ERROR([Please provide $static_link_extra_file next to the libv8.so])
     fi
 
     LDFLAGS="$LDFLAGS $static_link_dir/$static_link_extra_file"