build: fail the build if we accidentally drop a "const" qualifier on a parameter

let's be strict here, our codebase allows it.

diff --git a/meson.build b/meson.build
index d567f25566435215ee4d1c3bc7b419b65b8676ef..4298805365ad9e04c32956609286c76d38d0386d 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -377,6 +377,7 @@ possible_common_cc_flags = [
         '-Warray-bounds=2',
         '-Wdate-time',
         '-Wendif-labels',
+        '-Werror=discarded-qualifiers',
         '-Werror=format=2',
         '-Werror=format-signedness',
         '-Werror=implicit-function-declaration',