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| -rw-r--r-- | meson.build | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/meson.build b/meson.build index 8628e6ac..6e363a90 100644 --- a/meson.build +++ b/meson.build @@ -136,6 +136,21 @@ if cc.get_id() == 'gcc' ] endif + # gcc 13 implements the C++23 version of automatic move from local + # variables in return statements (see + # https://en.cppreference.com/w/cpp/language/return). As a result, some + # previously required explicit std::move() in return statements generate + # warnings. Those moves can't be removed as older compiler versions could + # use copy constructors instead of move constructors. The easiest fix is to + # disable the warning. With -Wpessimizing-move enabled, the compiler will + # still warn of pessimizing moves, only the redundant but not pessimizing + # moves will be ignored. + if cc.version().version_compare('>=13') + cpp_arguments += [ + '-Wno-redundant-move', + ] + endif + # gcc 7.1 introduced processor-specific ABI breakages related to parameter # passing on ARM platforms. This generates a large number of messages # during compilation. Silence them. |