Switch to using automake for the Unix autoconfigured build.

[u/mdw/putty] / README

diff --git a/README b/README
index 24789b3..a215aef 100644 (file)
--- a/README
+++ b/README
@@ -80,22 +80,38 @@ For building on Unix:
    utilities and has no Gtk dependence.
 
  - For the graphical utilities, Gtk+-1.2 and Gtk+-2.0 should both be
-   supported.
-
- - Both Unix Makefiles have an `install' target. Note that by default
-   it tries to install `man' pages, which you may need to have built
-   using Halibut first -- see below.
+   supported. In the absence of either, the configure script will
+   automatically construct a Makefile which builds only the
+   command-line utilities.
+
+ - pterm would like to be setuid or setgid, as appropriate, to permit
+   it to write records of user logins to /var/run/utmp and
+   /var/log/wtmp. (Of course it will not use this privilege for
+   anything else, and in particular it will drop all privileges before
+   starting up complex subsystems like GTK.) By default the makefile
+   will not attempt to add privileges to the pterm executable at 'make
+   install' time, but you can ask it to do so by running configure
+   with the option '--enable-setuid=USER' or '--enable-setgid=GROUP'.
+
+ - The Unix Makefiles have an `install' target. Note that by default
+   it tries to install `man' pages; if you have fetched the source via
+   Subversion then you will need to have built these using Halibut
+   first - see below.
 
 All of the Makefiles are generated automatically from the file
-`Recipe' by the Perl script `mkfiles.pl'. Additions and corrections
-to Recipe and the mkfiles.pl are much more useful than additions and
-corrections to the alternative Makefiles themselves.
+`Recipe' by the Perl script `mkfiles.pl' (except for the Unix one,
+which is generated by the `configure' script; mkfiles.pl only
+generates the input to automake). Additions and corrections to Recipe,
+mkfiles.pl and/or configure.ac are much more useful than additions and
+corrections to the actual Makefiles, Makefile.am or Makefile.in.
 
 The Unix `configure' script and its various requirements are generated
 by the shell script `mkauto.sh', which requires GNU Autoconf, GNU
 Automake, and Gtk; if you've got the source from Subversion rather
 than using one of our source snapshots, you'll need to run this
-yourself.
+yourself. The input file to Automake is generated by mkfiles.pl along
+with all the rest of the makefiles, so you will need to run mkfiles.pl
+and then mkauto.sh.
 
 Documentation (in various formats including Windows Help and Unix
 `man' pages) is built from the Halibut (`.but') files in the `doc'