README: add pkg-config as a requirement

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/README b/README
index 2b4e22e..adb80ee 100644 (file)
--- a/README
+++ b/README
@@ -17,6 +17,7 @@ Some Nit features:
 Requirement:
 
        * gcc           http://gcc.gnu.org/
+       * pkg-config    http://www.freedesktop.org/wiki/Software/pkg-config/
        * ccache        http://ccache.samba.org/        to improve recompilation
        * libgc-dev     http://www.hpl.hp.com/personal/Hans_Boehm/gc/
        * graphviz      http://www.graphviz.org/        to enable graphes with the nitdoc tool
@@ -24,7 +25,7 @@ Requirement:
 
 Those are available in most linux distributions
 
-    # sudo apt-get install build-essential ccache libgc-dev graphviz libunwind
+    # sudo apt-get install build-essential ccache libgc-dev graphviz libunwind pkg-config
 
 Important files and directory: