FAQ Group: particular compilers and environments

9.1 I’m trying to set up a MFC application under Microsoft Visual C++, but I get error messages relating to precompiled header files, what to do?

This problem is very likely not related to ChemApp, but to an incorrect setup of support for precompiled header files in your project. One remedy is to open your “Project Settings” dialog, tab “C/C++”, category “Precompiled Headers”, and choose either “Not using precompiled headers” or “Automatic use of precompiled headers”. Both settings should work.

9.2 I’m using ChemApp on a Unix system and I get several “undefined symbol” errors during linking, what to do?

The undefined symbols reported by the linker usually start with one or two underscores, and reported to be first referenced in the ChemApp library. This happens during the linking of any ChemApp application program, even the demo programs (e.g.cademo1) included with the ChemApp distribution. Solution: The cause of this error is typically related to the …

9.2 I’m using ChemApp on a Unix system and I get several “undefined symbol” errors during linking, what to do? Read More »