Chapter 1. C and C++ compilers

This chapter focuses on the latest versions of the IBM C and C++ compiler products for AIX: C for AIX Version 6.0 and VisualAge C++ for AIX Version 6.0. The latest compiler products offer enhanced support in optimizations, POWER4™ architecture exploitation, the latest ISO C and C++ Standard conformance, as well as compatibility features targeted to GNU C/C++ portability, explained in the first two sections:

• Section 1.1, “C for AIX Version 6.0” on page 2

• Section 1.2, “VisualAge C++ for AIX Version 6.0” on page 16

The other sections provide a comprehensive guide to installing and configuring the compiler products on your AIX systems:

• Section 1.3, “Installing the compilers” on page 19

• Section 1.4, “Activating the compilers” on page 23

• Section 1.5, “Activating the LUM server” on page 26

• Section 1.6, “Enrolling a product license” on page 27

• Section 1.7, “Invoking the compilers” on page 29

• Section 1.8, “Where to find help” on page 31

For a description of the previous versions of IBM C and C++ compiler products, please refer to Appendix A, “Previous versions of C and C++ compiler products” on page 429 for details.