From a92c84a1a42b771b21384b4175192d3aee8e93ca Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Tue, 15 Nov 2022 16:41:42 -0500
Subject: Fix C++ language level subproject options

---
 meson.build | 38 +++++++++++++++++++++++++++++++++-----
 1 file changed, 33 insertions(+), 5 deletions(-)

diff --git a/meson.build b/meson.build
index 2f205c6..e03cdf3 100644
--- a/meson.build
+++ b/meson.build
@@ -62,16 +62,44 @@ lv2dir = lv2_dep.get_variable(
 )
 
 # LV2 plugins
+
 blop_lv2 = subproject('blop.lv2', required: get_option('plugins'))
-fomp_lv2 = subproject('fomp.lv2', required: get_option('plugins'))
-mda_lv2 = subproject('mda.lv2', required: get_option('plugins'))
+
+fomp_lv2 = subproject(
+  'fomp.lv2',
+  default_options: ['cpp_std=c++17'],
+  required: get_option('plugins'),
+)
+
+mda_lv2 = subproject(
+  'mda.lv2',
+  default_options: ['cpp_std=c++17'],
+  required: get_option('plugins'),
+)
 
 # Libraries
-ganv = subproject('ganv', required: get_option('ganv'))
+
+ganv = subproject(
+  'ganv',
+  default_options: ['cpp_std=c++17'],
+  required: get_option('ganv'),
+)
+
 raul = subproject('raul', required: get_option('raul'))
 
 # Applications
-ingen = subproject('ingen', required: get_option('ingen'))
-jalv = subproject('jalv', required: get_option('jalv'))
+
+ingen = subproject(
+  'ingen',
+  default_options: ['cpp_std=c++17'],
+  required: get_option('ingen'),
+)
+
+jalv = subproject(
+  'jalv',
+  default_options: ['cpp_std=c++17'],
+  required: get_option('jalv'),
+)
+
 # machina = subproject('machina', required: get_option('machina')))
 patchage = subproject('patchage', required: get_option('patchage'))
-- 
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