diff options
Diffstat (limited to 'compiler/GHC/Driver/Session.hs')
| -rw-r--r-- | compiler/GHC/Driver/Session.hs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/GHC/Driver/Session.hs b/compiler/GHC/Driver/Session.hs index f69f2da243..12f0e8be33 100644 --- a/compiler/GHC/Driver/Session.hs +++ b/compiler/GHC/Driver/Session.hs @@ -4609,6 +4609,12 @@ makeDynFlagsConsistent dflags = let dflags' = gopt_unset dflags Opt_BuildDynamicToo warn = "-dynamic-too is not supported on Windows" in loop dflags' warn + -- Disable -dynamic-too if we are are compiling with -dynamic already, otherwise + -- you get two dynamic object files (.o and .dyn_o). (#20436) + | ways dflags `hasWay` WayDyn && gopt Opt_BuildDynamicToo dflags + = let dflags' = gopt_unset dflags Opt_BuildDynamicToo + warn = "-dynamic-too is ignored when using -dynamic" + in loop dflags' warn -- Via-C backend only supports unregisterised ABI. Switch to a backend -- supporting it if possible. |