From cb7b80b59bbf3309256348f3829e315da563e277 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 15 Nov 2024 12:04:40 +0100
Subject: list build dependencies in README

---
 README | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 56 insertions(+), 12 deletions(-)

diff --git a/README b/README
index 1cb79a41..be673fb1 100644
--- a/README
+++ b/README
@@ -29,20 +29,64 @@ instructions on how to do so at http://www.gnu.org/help/evaluation.
 We are looking forward to hacking with you!
 
 
-Installation
-============
+Dependencies:
+=============
 
-libjansson: MIT License, AGPL- and LGPL-Compatible, owned by Petri Lehtinen and other individuals
-libgcrypt: LGPL, owned by Free Software Foundation
-postgresql: PostgreSQL License, AGPL- and LGPL-Compatible, owned by The PostgreSQL
-Global Development Group
-libgnunetutil (in all of its variants): GPLv3+, owned by GNUnet e.V.
-libqrencode: LGPL v2.1+, Copyright Kentaro Fukuchi
+Build tools for compiling Taler merchant from source:
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+- gcc or clang
+- autoconf           >= 2.69        (building from git)
+- automake           >= 1.11.1      (building from git)
+- recutils           >= 1.0         (building from git)
+- libtool            >= 2.2
+- makeinfo           >= 4.8
+- make[*3]
+- pkgconf or pkg-config
+- sphinx
+- sphinx-rtd-theme
+- sphinx-multiversion
 
-Source guide
-============
 
-'src/' contains the "backend", a C piece of software which implements crypto routines
+Direct dependencies
+~~~~~~~~~~~~~~~~~~~
+
+These are the direct dependencies for running a Taler exchange:
+
+- GNU Taler exchange >= 0.14.0
+- PostgreSQL         >= 15.0
+- libqrencode
+
+
+Project structure
+=================
+
+src/backend/
+   contains the "backend", a C piece of software which implements crypto routines
    and communication with the 'exchange'
-'doc/' contains documentation files, like TeXinfo
+
+src/backenddb/
+   contains the database interactions (for now only PostgreSQL)
+
+src/lib/
+   contains a C API to talk to the REST API of merchant backend
+
+src/util/
+   common utility functions
+
+src/bank/
+   utility functions to talk to the Taler bank revenue API to
+   reconcile transactions
+
+src/merchant-tools/
+   contains helper programs to setup or manipulate the merchant backend
+
+src/testing/
+   contains test cases for the merchant backend
+
+doc/
+   contains documentation files, like TeXinfo
+
+contrib/
+   contains the single-page-app (Web interface) as a submodule,
+   as well as CI/CD logic.
-- 
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