15.4. How GNU Autotools Can Help
Each of the GNU Autotools contribute to C++ portability. Now that you are familiar with the issues, the following subsections will outline precisely how each tool contributes to achieving C++ portability.
15.4.1. Testing C++ Implementations with Autoconf
Of the GNU Autotools, perhaps the most valuable contribution to the portability of your C++ programs will come from Autoconf. You can detect all the portability issues raised in Section 15.2, "Changeable C++," by using Autoconf macros.
Luc Maisonobe has written a large suite of macros for this purpose; you can find them in the Autoconf macro archive (see Section 22.5.1, "Autoconf Macro Archive" ). If any of these macros become important enough, they may become ...
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