meson: enable more compiler warnings

meson.build

@@ -16,16 +16,31 @@ project(
 # for a reference about clean library versioning.
 so_version = ['1', '2', '0']
 
-add_project_arguments(
-	[
-		'-DWLR_SRC_DIR="@0@"'.format(meson.current_source_dir()),
-		'-DWLR_USE_UNSTABLE',
+add_project_arguments([
+	'-DWLR_SRC_DIR="@0@"'.format(meson.current_source_dir()),
+	'-DWLR_USE_UNSTABLE',
+], language: 'c')
 
-		'-Wno-unused-parameter',
-		'-Wundef',
-	],
-	language: 'c',
-)
+cc = meson.get_compiler('c')
+
+add_project_arguments(cc.get_supported_arguments([
+	'-Wundef',
+	'-Wlogical-op',
+	'-Wmissing-include-dirs',
+	'-Wold-style-definition',
+	'-Wpointer-arith',
+	'-Winit-self',
+	'-Wstrict-prototypes',
+	'-Wredundant-decls',
+	'-Wimplicit-fallthrough=2',
+	'-Wendif-labels',
+	'-Wstrict-aliasing=2',
+	'-Woverflow',
+
+	'-Wno-missing-braces',
+	'-Wno-missing-field-initializers',
+	'-Wno-unused-parameter',
+]), language: 'c')
 
 conf_data = configuration_data()
 conf_data.set10('WLR_HAS_LIBCAP', false)
@@ -38,8 +53,6 @@ conf_data.set10('WLR_HAS_XCB_ICCCM', false)
 
 wlr_inc = include_directories('.', 'include')
 
-cc = meson.get_compiler('c')
-
 # Clang complains about some zeroed initializer lists (= {0}), even though they
 # are valid
 if cc.get_id() == 'clang'