Doc: README and INSTALL update

Minor cleanups, updates and clarifications. Also removes (incomplete
and well-known) build steps from README, as they are better described
in INSTALL.

INSTALL

@@ -7,13 +7,15 @@ $ make
 
 Default location for configuration file is /usr/local/etc/bird.conf and
 for control socket is /usr/local/var/run/bird.ctl . You can change that
-by --sysconfdir and --localstatedir configure options.
+by --prefix, --sysconfdir and --runstatedir configure options, e.g.:
+
+$ ./configure --prefix=/usr --sysconfdir=/etc --runstatedir=/run
 
 To compile current development BIRD source code from Git repository, you
 also need Git (to download the source code) and Autoconf (to generate
 the configure script and associated files using 'autoreconf' tool):
 
-$ git clone git://git.nic.cz/bird.git
+$ git clone https://gitlab.labs.nic.cz/labs/bird/
 $ cd bird
 $ autoreconf
 
@@ -32,9 +34,14 @@ For compiling BIRD you need these programs and libraries:
  - Flex
 
  - ncurses library
- - GNU Readline library (2.1 or newer)
+ - GNU Readline library
 
 For compiling BIRD documentation you also need:
 
  - Linuxdoc-Tools
  - LaTeX
+
+Note that build scripts for BIRD documentation expects 'nsgmls' from
+James Clark's SP suite, while modern distributions use 'onsgmls' from
+OpenSP suite. It is possible to build BIRD documentation with OpenSP
+tools, but it requires manually tweaking paths in doc/sgml2* scripts.

README

@@ -6,7 +6,7 @@
                 (c) 1998--2008  Martin Mares <mj@ucw.cz>
                 (c) 1998--2000  Pavel Machek <pavel@ucw.cz>
                 (c) 1998--2008  Ondrej Filip <feela@network.cz>
-                (c) 2009--2016  CZ.NIC z.s.p.o.
+                (c) 2009--2019  CZ.NIC z.s.p.o.
 
 ================================================================================
 
@@ -48,20 +48,10 @@ How to install BIRD
 	   ftp://bird.network.cz/pub/bird/redhat/
 	o  From source code of the latest stable release version
 	   ftp://bird.network.cz/pub/bird/
-	o  From source code of the actual development version
-	   git://git.nic.cz/bird.git
+	o  From current development code in Git repository
 	   https://gitlab.labs.nic.cz/labs/bird/
 
-How to install BIRD from source code
-------------------------------------
-
-	$  ./configure
-	$  make
-	$  su
-	#  make install
-	#  vi /usr/local/etc/bird.conf
-
-See the file INSTALL for more information about installation from source code.
+See the file INSTALL for information about installation from source code.
 
 Documentation
 =============
@@ -69,7 +59,7 @@ Documentation
 Online documentation is available at http://bird.network.cz/?get_doc or as HTML
 files in the doc directory, you can install it by `make install-docs' and
 rebuild it by `make docs', but you'll need SGMLtools and LaTeX to be installed
-on your machine. You can also download a neatly formatted PostScript version as
+on your machine. You can also download a neatly formatted PDF version as
 a separate archive (bird-doc-*.tar.gz) from ftp://bird.network.cz/pub/bird/
 
 User support