From 9d24c8b223ec4253e3c6a2e14001de61fa993dbb Mon Sep 17 00:00:00 2001
From: Ernestas Kulik <ernestask@gnome.org>
Date: Fri, 16 Feb 2018 19:14:08 +0200
Subject: [PATCH] build: meson: add warning flags

Courtesy of GTK+.

https://bugzilla.gnome.org/show_bug.cgi?id=793399
---
 meson.build | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/meson.build b/meson.build
index bb0419ed5..de12b8811 100644
--- a/meson.build
+++ b/meson.build
@@ -269,6 +269,27 @@ foreach m : struct_members
   endif
 endforeach
 
+# Compiler flags
+if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
+  test_c_args = [
+    '-Wall',
+    '-Wduplicated-branches',
+    '-Wstrict-prototypes',
+    '-Werror=declaration-after-statement',
+    '-Werror=format=2',
+    '-Werror=format-security',
+    '-Werror=implicit-function-declaration',
+    '-Werror=init-self',
+    '-Werror=missing-include-dirs',
+    '-Werror=missing-prototypes',
+    '-Werror=pointer-arith',
+  ]
+else
+  test_c_args = []
+endif
+
+add_project_arguments(cc.get_supported_arguments(test_c_args), language: 'c')
+
 # Windows Support (Vista+)
 if host_system == 'windows'
   glib_conf.set('_WIN32_WINNT', '0x0601')