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2.1 AIX Environment Identification

Under AIX 4.3, Threads.h++ may be configured to use either one of the following thread APIs:

2.1.1 AIX Operating System Identification

Threads.h++ will assume that it is being built for an AIX environment if it finds that the _AIX32 macro is defined.

Threads.h++ only supports the IBM xlC CSet++ C++ compiler in this environment (xlC and xlC_r4 aliases under AIX 4.3).

2.1.2 IBM xlC C++ Compiler Identification

Threads.h++ uses the __xlC__ macro to identify the version of the IBM compiler. The product has been certified using CSet++ version 3.6 under AIX 4.3. To use a newer version of the compiler, you may need to modify the defs.h file to define the attributes of the new version. For Software Parts Manager installations, the defs.h file is located at:

rw_root\workspaces\OS+ver\COMPILER+ver\buildtype\rw\thr\defs.h


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