c++ - Compiler generating invalid object file -


i working on merging new trunk code feature branch on 1 of our large legacy projects. project written in c++ using c++builder 5.0. use twinecompile 3 speed our build times.

after merge, following error when compiling:

[ilink32 error] unresolved external '__fastcall tprinttickܩ  ::add(int, int, int, bool, ttickettype, int, bool, bool, bool)' referenced c:\projects\product\v3.12.x\source\obj\processor.obj

this error shows when doing release build compiler optimizations turned off (which how typically release our code). if re-enable compiler optimizations, or if debug build, error not appear. additionally, if disable twinecompile, problem disappears.

running tdump on 'processor.obj' object file shows has reference external function tprinttickܩ ::add. function should tprintticketqueue::add. file processor.cpp contains following code in 1 of functions:

printticketqueue.add(/*parameters here*/);

for reference, file printticketqueue.h (which included processor.cpp) has following code:

class tprintticketqueue {     public:           /* more code here */          void __fastcall add(int jobid, int ticketid, int numid, bool labelprint, ttickettype type, int count = 1, bool remote = false, bool print = true, bool printlabelonly = false); };  extern tprintticketqueue printticketqueue;

to further confuse matters, if attempt create local pointer tprintticketobject in any function in processor.cpp, following error:

[c++ error] processor.cpp(291, 18): e2451 undefined symbol 'tprintticketqueue'

despite knowing printticketqueue.h has been included in processor.cpp, , tprintticketqueue should defined.

i'm @ loss explain happening here. has encountered similar problem c++builder 5.0 or twinecompile? there way solve or work around problem?


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