Ingres 9.2 Migration Guide - Actian
Ingres 9.2 Migration Guide - Actian
Ingres 9.2 Migration Guide - Actian
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Application RebuildingIf an application cannot be built using Alpha member alignment, it is possibleto rebuild it with the <strong>Ingres</strong> components naturally aligned. The steps neededfor C and COBOL applications are described in the following sections.These changes require modification to the <strong>Ingres</strong> supplied files only and notthe application code. Even by performing the steps listed here, you still mustrecompile all parts of the application that interface with <strong>Ingres</strong> or that use anystructures declared in the <strong>Ingres</strong> header files.By default, user applications are built using the same compiler options used tobuild the <strong>Ingres</strong> libraries and applications. If these options are not used,proceed carefully.The introduction of the member_aligned version of <strong>Ingres</strong> occurred whenalignment-related memory issues were encountered in <strong>Ingres</strong> II 2.0/9808(axp.vms/00). If any applications are built using un-aligned structures with thecommunicating interface to <strong>Ingres</strong>, data corruption is likely to occur.Considerations for Alpha OpenVMS 85
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