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Forums » Prof-UIS Tech Support » Please teach a vc++6.0 /Zm option. Collapse All
Subject Author Date
tera tera Aug 6, 2009 - 7:18 PM


My program became gigantic.

It is necessary to appoint /Zm500.

If there is not optional appointment, it is not possible for build.

However, I appoint /Zm1000 and build.

Then the following build error comes.

Fatal Error C1060

The memory capacity of the PC.

Main memory 1GB.

Virtual memory 8GB.

Why does this happen?

I do not understand causes well.

Technical Support Aug 10, 2009 - 6:19 AM

The /Zm compiler options specifies how much memory should compiler allocate for compiling a .CPP file. Prof-UIS library becomes enough large and the default amount of memory allocated by the C++ compiler of any supported Visual C++ version is not enough. The /Zm200 option solves this problem. But we used the /Zm512 option because of two reasons: we would like to avoid the compiler’s "not enough memory" problem in the future and the 512 megabytes can be allocated successfully by the C++ compiler when running on the most of computers. The theoretical limit of memory which can be allocated by the 32-bit application is 4 gigabytes. But compilers may have internal implementation limits which does not allow to allocate even 1 gigabyte.