On Sat, 2009-05-02 at 12:26 +0200, Michael Schwingen wrote: > Zach Welch wrote: > > With autotools, #ifdef should be preferred. For example, HAVE_FOO_H > > will be defined 1 by the AC_CHECK_HEADERS([foo.h],[1],[Comment]) macro; > > configure defines the symbol to the given value if foo.h is present, and > > the symbol is not defined if absent. In both cases, the definition will > > exist in config.h, but it will be commented out when not defined; the > > same would be true for the OpenOCD symbols, except that they are defined > > explicitly. > > > I don't know about autotools, but I do prefer #if, because that way, you > get warnings if the correct headers are not included. When using #ifdef, > a missing header may lead to wrong code without a warning.
If the header is required, the configure step should fail when it is not found in the system. The rule is to fail as early as possible. Which headers? Cheers, Zach _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
