From d5a141a9707968854c2de118085e014bba1fbef5 Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan@nitrokey.com>
Date: Thu, 14 May 2020 18:40:01 +0200
Subject: [PATCH] Meson: add version.c generation

---
 meson.build | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index aa62455..9ca0c66 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,6 @@
-project('hotp-verification', 'c')
+project('hotp-verification', 'c',
+  version : '1.1.0',
+)
 lusb = dependency('libusb-1.0')
 
 src = [
@@ -15,6 +17,25 @@ src = [
 'hidapi/libusb/hid.c'
 ]
 
+version_array = meson.project_version().split('.')
+version_major = version_array[0].to_int()
+version_minor = version_array[1].to_int()
+version_data = configuration_data()
+version_data.set('PROJECT_VERSION_MAJOR', version_major)
+version_data.set('PROJECT_VERSION_MINOR', version_minor)
+# We don't want to substitute it by noop
+version_data.set('GIT_VERSION_PLACEHOLDER', '@VCS_TAG@')
+version_cc_in = configure_file(
+  input : 'version.c.in',
+  output : 'version.c.in',
+  configuration : version_data,
+)
+version_cc = vcs_tag(
+  input : version_cc_in,
+  output : 'version.c',
+  fallback : 'v@0@'.format(meson.project_version()),
+)
+
 common_flags = ['-DNK_REMOVE_PTHREAD']
 
 incdir = ([