[gobject-introspection/meson-tests-warn-deps] meson: warn that not all tests will be run if building without cairo/doctool

[Christoph Reiter <creiter src gnome org>]

commit 4e1ada2070a2626c82bd510f5165e5557c7d0608
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Sun Jan 6 11:29:23 2019 +0100

    meson: warn that not all tests will be run if building without cairo/doctool

 meson.build               | 7 +++++++
 meson_options.txt         | 2 +-
 tests/scanner/meson.build | 2 +-
 tools/meson.build         | 4 ++--
 4 files changed, 11 insertions(+), 4 deletions(-)
---
diff --git a/meson.build b/meson.build
index 3759c12b..cd647b04 100644
--- a/meson.build
+++ b/meson.build
@@ -151,6 +151,13 @@ if with_cairo
       cairo_gobject_dep = cc.find_library ('cairo-gobject')
     endif
   endif
+else
+  warning('Not building with cairo support, not all tests will be run')
+endif
+
+with_doctool = get_option('doctool')
+if not with_doctool
+  warning('Not building with doctool support, not all tests will be run')
 endif
 
 subdir('girepository')
diff --git a/meson_options.txt b/meson_options.txt
index f268607a..7757a3a1 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -3,7 +3,7 @@ option('cairo', type: 'boolean', value : false,
 )
 
 option('doctool', type: 'boolean', value : false,
-  description: 'Install g-ir-doc-tool'
+  description: 'Install g-ir-doc-tool and run related tests'
 )
 
 option('glib-src-dir', type: 'string',
diff --git a/tests/scanner/meson.build b/tests/scanner/meson.build
index 28430a2c..ab5da15a 100644
--- a/tests/scanner/meson.build
+++ b/tests/scanner/meson.build
@@ -503,7 +503,7 @@ foreach gir : test_girs
   )
 endforeach
 
-if get_option('doctool') and glib_dep.type_name() == 'pkgconfig'
+if with_doctool and glib_dep.type_name() == 'pkgconfig'
   foreach language : ['C', 'Python', 'Gjs']
     regress_docs = custom_target(
       'generate-docs-' + language,
diff --git a/tools/meson.build b/tools/meson.build
index 6d38361a..48f981b7 100644
--- a/tools/meson.build
+++ b/tools/meson.build
@@ -5,7 +5,7 @@ tools = [
   ['g-ir-scanner', 'scannermain', 'scanner_main'],
   ['g-ir-annotation-tool', 'annotationmain', 'annotation_main'],
 ]
-if get_option('doctool')
+if with_doctool
   tools += [['g-ir-doc-tool', 'docmain', 'doc_main']]
 endif
 
@@ -39,7 +39,7 @@ foreach tool : tools
 endforeach
 
 girscanner = tool_output[0]
-if get_option('doctool')
+if with_doctool
   girdoctool = tool_output[-1]
 endif