On 09/28/2014 11:46 AM, Zolnai Tamás wrote:
I tried it an it came out there are other C++11 stuff in the code. I tried to replace them, but the compiler does not help me with finding C++11 code. When I compile with --std=c++03 flag, compiler just write out: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options. Is there any option to avoid this general error and force the compiler to try the older standard.
That #error message smells like some code includes a standard header that is suitable for C++11 only and includes libstdc++'s bits/c++0x_warning.h which contains
#if __cplusplus < 201103L #error This file requires compiler and library support for the \ ISO C++ 2011 standard. This support is currently experimental, and must be \ enabled with the -std=c++11 or -std=gnu++11 compiler options. #endif
You need to track down the include stack (which is typically spit out by GCC before showing the #error diagnostic, no?) to see what problematic standard header is being included where.
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