From bed3076bc6146ec3ed6ba404655ce0bd06173566 Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
Date: Tue, 26 Jun 2018 15:40:33 +0200
Subject: meson: allow disabling introspection generation

---
 meson_options.txt |  3 +++
 src/meson.build   | 26 +++++++++++++++-----------
 2 files changed, 18 insertions(+), 11 deletions(-)
 create mode 100644 meson_options.txt

diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 0000000..ba31140
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,3 @@
+option('introspection',
+    type: 'boolean', value: true,
+    description: 'Build introspection data (requires gobject-introspection')
diff --git a/src/meson.build b/src/meson.build
index 5bd5509..2a3f8da 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -43,17 +43,21 @@ lib = library('uca',
     install: true,
 )
 
-gnome.generate_gir(lib,
-    namespace: 'Uca',
-    nsversion: '@0@.0'.format(version_major),
-    sources: sources + headers,
-    install: true,
-    includes: [
-      'GLib-2.0',
-      'GObject-2.0',
-      'GModule-2.0',
-    ],
-)
+gir = find_program('g-ir-scanner', required: false)
+
+if gir.found() and get_option('introspection')
+    gnome.generate_gir(lib,
+        namespace: 'Uca',
+        nsversion: '@0@.0'.format(version_major),
+        sources: sources + headers,
+        install: true,
+        includes: [
+            'GLib-2.0',
+            'GObject-2.0',
+            'GModule-2.0',
+        ],
+    )
+endif
 
 pkg = import('pkgconfig')
 
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