README: fix the Installation section

1 files changed, 15 insertions, 8 deletions

diff --git a/README b/README
index f6c7ca6..05510c6 100644
--- a/README
+++ b/README
@@ -179,14 +179,21 @@ global_defined() and global_unset().
 * Installation
 
-In order to compile the package you need to have a configured and
-compiled Varnish source tree.  Both Varnish 3 and 4 are OK.
+In order to compile the package you need to have the varnishd and
+varnishapi packages installed.
 
-Supposing that the varnish source tree is available under
-/usr/src/varnish-4.0.2, run:
+Supposing that condition is met, run:
 
-  ./configure --with-varnish-source=/usr/src/varnish-4.0.2
+  ./configure
 
-The `--with-varnish-source' option is mandatory: it tells configure
-where Varnish sources reside.
+It should be able to automatically find the necessary components. In case 
+it doesn't, tweak the configuration variables as necessary. The most 
+important one is PKG_CONFIG_PATH, which contains a path (in the UNIX sense)
+where the .pc files are located. It should contain a directory where the
+'varnishapi.pc' file lives. Example usage:
+
+  ./configure PKG_CONFIG_PATH=/usr/local/varnish/lib/pkgconfig:$PKG_CONFIG_PATH
+
+Please read the file INSTALL for a detailed discussion of available variables
+and command line options.
 
 Once configured, do
@@ -200,5 +207,5 @@ Finally, run the following command as root:
 
   make install
-
+  
 * Documentation