From fffc3128937ca329431f4611da8896c5c08c21fe Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim-Philipp=20M=C3=BCller?= <tim@centricular.com>
Date: Sat, 11 Aug 2018 18:17:29 +0100
Subject: [PATCH] meson: add options to disable gobject cast checks and glib
 asserts

And match what we do for autotools here currently.
---
 libs/gst/check/meson.build |  2 +-
 meson.build                | 16 +++++++++++++++-
 meson_options.txt          |  4 ++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/libs/gst/check/meson.build b/libs/gst/check/meson.build
index 00ea454..f09908d 100644
--- a/libs/gst/check/meson.build
+++ b/libs/gst/check/meson.build
@@ -39,7 +39,7 @@ configure_file(input : 'libcheck/check.h.in',
 
 gst_check = shared_library('gstcheck-@0@'.format(apiversion),
   gst_check_sources,
-  c_args : gst_c_args + ['-DGST_EXPORTS'],
+  c_args : gst_c_args + ['-DGST_EXPORTS', '-UG_DISABLE_ASSERT'],
   version : libversion,
   soversion : soversion,
   install : true,
diff --git a/meson.build b/meson.build
index 9cd433e..3b50130 100644
--- a/meson.build
+++ b/meson.build
@@ -14,6 +14,7 @@ if version_arr.length() == 4
 else
   gst_version_nano = 0
 endif
+gst_version_is_dev = gst_version_minor % 2 == 1 and gst_version_micro < 90
 
 host_system = host_machine.system()
 
@@ -58,10 +59,23 @@ if cc.has_argument('-fno-strict-aliasing')
 endif
 
 # Define G_DISABLE_DEPRECATED for development versions
-if gst_version_minor % 2 == 1 and gst_version_micro < 90
+if gst_version_is_dev
+  message('Disabling deprecated GLib API')
   add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
 endif
 
+cast_checks = get_option('gobject-cast-checks')
+if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
+  message('Disabling GLib cast checks')
+  add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
+endif
+
+glib_asserts = get_option('glib-asserts')
+if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
+  message('Disabling GLib asserts')
+  add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
+endif
+
 cdata = configuration_data()
 cdata.set_quoted('GST_API_VERSION', apiversion)
 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
diff --git a/meson_options.txt b/meson_options.txt
index d5c3873..275a1cb 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -30,6 +30,10 @@ option('tools', type : 'feature', value : 'auto', yield : true)
 option('gtk_doc', type : 'feature', value : 'auto', yield : true, description : 'Generate API documentation with gtk-doc')
 option('introspection', type : 'feature', value : 'auto', yield : true, description : 'Generate gobject-introspection bindings')
 option('nls', type : 'feature', value : 'auto', yield: true, description : 'Enable native language support (translations)')
+option('gobject-cast-checks', type : 'feature', value : 'auto', yield : true,
+       description: 'Enable run-time GObject cast checks (auto = enabled for development, disabled for stable releases')
+option('glib-asserts', type : 'feature', value : 'enabled', yield : true,
+       description: 'Enable GLib assertion (auto = enabled for development, disabled for stable releases')
 
 # Common options
 option('package-name', type : 'string', yield : true,
-- 
2.7.4