chore: adjust build flags

meson.build

@@ -10,8 +10,15 @@ project(
   ],
 )
 
-gtk = dependency('gtk4', required: true)
-epoxy = dependency('epoxy')
+c_args = meson.get_compiler('c').get_supported_arguments([
+  '-Wno-unused-variable',
+  '-Wno-unused-parameter',
+  '-Wno-pedantic'
+  ])
+add_project_arguments(c_args, language: 'c')
+
+gtk = dependency('gtk4', required: true, include_type: 'system')
+epoxy = dependency('epoxy', include_type: 'system')
 
 src = files(
   'src/main.c',
@@ -27,7 +34,7 @@ src = files(
 executable(
   'vektor',
   src,
-  dependencies: [gtk,epoxy],
+  dependencies: [gtk, epoxy],
   link_args: ['-lm'],
   install: true,
 )