[cfe-users] Clang compilation options to solve the comaptible issue?

Guofeng Zhang via cfe-users cfe-users at lists.llvm.org
Thu Oct 31 01:45:36 PDT 2019


I just stat using clang 8 not long ago. I  need to compile our old c++
source without changing it. It is compiled with Visual Studio before. Now I
want to migrate to clang as the compiler.

The following code segement can be compiled by clang:

1)  for (int i = 0 ; i < 6 ; i++ ) {
     int k = i ;  // compiler error

2) unsigned short *s = ....
    wchar_t  *t = s ; // compiler error

I tried -ffor-scope and -fshort-wchar, but does not solve the issues.

are there clang compilation options to solve the issues?

Thanks for your help very much,

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