From 0487f26a55a7db0bcaca46cf4c1a022de90ca07d Mon Sep 17 00:00:00 2001
From: Neal Gompa <ngompa13@gmail.com>
Date: Wed, 15 Apr 2020 13:08:15 -0400
Subject: meson: Add _DEFAULT_SOURCE to ensure "default" functions are
 available

Currently, PackageKit builds spew implicit function declaration warnings
for usage of realpath(3), which is gated by a _DEFAULT_SOURCE define.

Since we expect it to be usable, let's add the definition so it is.
---
 meson.build | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meson.build b/meson.build
index 200102d18..38b183763 100644
--- a/meson.build
+++ b/meson.build
@@ -54,6 +54,9 @@ if dependency('ply-boot-client', version: '>=0.9.5', required: false).found()
   add_project_arguments ('-DPLYMOUTH_0_9_5=1', language: 'c')
 endif
 
+# Ensure functions like realpath(3) and other "default" functions are available
+add_project_arguments ('-D_DEFAULT_SOURCE', language: 'c')
+
 # Avoid g_simple_async_result deprecation warnings in glib 2.46+
 add_project_arguments ('-DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_44', language: 'c')
 
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