https://issues.dlang.org/show_bug.cgi?id=19051
desi...@heidel.beer changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |desi...@heidel.beer --- Comment #2 from desi...@heidel.beer --- I can repoduce this issue. ---- C:\D>dmd -m64 R:\test.d -L="C:\D\dmd2\windows\lib64\mingw\user32.lib" C:\D\dmd2\windows\bin\lld-link.exe: warning: app.obj: undefined symbol: SetWindowLongPtrA error: link failed Error: linker exited with status 1 ---- Regards, Elias --