On 09/19/2012 04:18 PM, Adrian Bunk wrote: >> Huh? Filtering _would_ fix the original problem of getting wrong >> configure results under -Werror, because -Werror wouldn't be used during >> configure. It's just a question of whether it is safe to filter by >> default, or whether filtering is enough of a change to require a >> one-line addition to configure.ac explicitly requesting the filtering. > > My point is that a "normal configure" uses whatever is the default, > and will always use the default. > > That is the common case, and any fancy warning and -Werror handling in > confiugre.ac is a special case.
Those are special cases that _I, as configure.ac author,_ get to choose whether they should happen. If I know that -Werror filtering won't impact my package, then I add one line to my configure.ac, and then 10 years from now, when the user first tries './configure CFLAGS=-Werror', the default _for my package_ already handles it sanely. It's just that I don't know whether _autoconf_ can enforce filtering on ALL packages, or whether -Werror handling has to be an opt-in decision by individual package authors. Either way, once filtering is enabled for my package, then people will quit coming to me when they attempt to configure my package with -Werror. -- Eric Blake [email protected] +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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