From eff3b42cb08062a6154d26f3fc352dd891e5c2ed Mon Sep 17 00:00:00 2001
From: Michael Mandl <mandlm@molez.net>
Date: Wed, 30 Jan 2019 21:23:26 +0100
Subject: [PATCH] Added version number and optional build number to build
 system

---
 CMakeLists.txt        |  3 ++-
 source/CMakeLists.txt | 20 +++++++++++++++++++-
 source/ESGRAF48.cpp   |  9 ++++++---
 source/version.h.in   |  4 ++++
 4 files changed, 31 insertions(+), 5 deletions(-)
 create mode 100644 source/version.h.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a8da5b..a731ba0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,8 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 include(cmake/conan.cmake)
 conan_cmake_run(CONANFILE conanfile.txt
 	BASIC_SETUP
-	BUILD missing)
+	BUILD missing
+)
 
 include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
 conan_basic_setup()
diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index 0a0f40f..75f11e5 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -1,6 +1,24 @@
 cmake_minimum_required(VERSION 3.6)
 
-project(ESGRAF48 LANGUAGES CXX)
+set(BUILD_VERSION_MAJOR_MINOR 0.1)
+
+if ($ENV{BUILD_NUMBER})
+	set(BUILD_VERSION_PATCH $ENV{BUILD_NUMBER})
+else()
+	set(BUILD_VERSION_PATCH 0)
+endif()
+
+project(ESGRAF48
+	VERSION ${BUILD_VERSION_MAJOR_MINOR}.${BUILD_VERSION_PATCH}
+	DESCRIPTION "ESGRAF 4-8"
+	LANGUAGES CXX
+)
+
+configure_file(
+	version.h.in
+	version.h
+)
+
 
 find_package(Qt5Widgets REQUIRED)
 find_package(Qt5PrintSupport REQUIRED)
diff --git a/source/ESGRAF48.cpp b/source/ESGRAF48.cpp
index 40b8801..9e39190 100644
--- a/source/ESGRAF48.cpp
+++ b/source/ESGRAF48.cpp
@@ -1,15 +1,18 @@
 #include "mainwindow.h"
+
+#include "version.h"
+
 #include <QApplication>
 #include <QCommandLineParser>
 
 int main(int argc, char **argv)
 {
 	QApplication app(argc, argv);
-	QCoreApplication::setApplicationName("ESGRAF 4-8");
-	QCoreApplication::setApplicationVersion("0.1");
+	QCoreApplication::setApplicationName(ESGRAF48_DESCRIPTION);
+	QCoreApplication::setApplicationVersion(ESGRAF48_VERSION);
 
 	QCommandLineParser cmdParser;
-	cmdParser.setApplicationDescription("ESGRAF 4-8");
+	cmdParser.setApplicationDescription(ESGRAF48_DESCRIPTION);
 	cmdParser.addHelpOption();
 	cmdParser.addVersionOption();
 	cmdParser.addPositionalArgument("filename", "file to open");
diff --git a/source/version.h.in b/source/version.h.in
new file mode 100644
index 0000000..dedd89c
--- /dev/null
+++ b/source/version.h.in
@@ -0,0 +1,4 @@
+#pragma once
+
+#define ESGRAF48_VERSION "@PROJECT_VERSION@"
+#define ESGRAF48_DESCRIPTION "@PROJECT_DESCRIPTION@"