* Jan Engelhardt wrote on Thu, Apr 02, 2009 at 09:53:21AM CEST: > On Thursday 2009-04-02 04:01, Eric Blake wrote: > > > >One of Ralf's concerns is that you can't do AC_SUBST([V], [1]), because it > >interacts badly with various make implementations. That is, the Makefile > >must not pre-define V as the only means of setting the package's default, > >if it cannot be overridden by the user. > > Oh? CFLAGS is also contained in Makefiles, as a result of automake > expanding Makefile.am->.in, and usually filled with the default of > -O2 -g, and yet can be overriden at make-time. At least, that is, for > GNU make, which I happen to use..
Yes. Try some other make implementation like BSD make for starters, or read "info Autoconf 'Macros and Submakes'". The point is not to have to use V=1 make -e because 'make -e' can be quite problematic as it pulls in all kinds of junk from your environment. Cheers, Ralf
