> On Sat, Apr 12, 2008 at 2:16 PM, Daniele Maccari <[EMAIL PROTECTED]>
> wrote:
>>
>> Hisham wrote:
>> > On Sat, Apr 12, 2008 at 11:01 AM, Daniele Maccari
>> <[EMAIL PROTECTED]> wrote:
>> >
>> >> Jonatan Liljedahl wrote:
>> >> > Or something like this:
>> >> >
>> >> > with_gtk1=(
>> >> > "--enable-gtk"
>> >> > "--disable-gtk"
>> >> > )
>> >> >
>> >> > or more self-documenting:
>> >> >
>> >> > useflag_gtk1=(
>> >> > "with=--enable-gtk"
>> >> > "without=--disable-gtk"
>> >> > )
>> >> >
>> >> > Those would be easy parsable by bash itself...
>> >> >
>> >> Sure, the possibilities are infinite :D
>> >>
>> >
>> > True, but all the proposed variations just lighten the cumbersomeness
>> > in a syntactic manner. The problem is not the size of each entry but
>> > the number of entries and the implied maintenance issues. I find the
>> > approach Michael described in his original post to be a good
>> > compromise. And the $with_* variables scheme is especially smart!
>> >
>> > -- Hisham
>> That's true too, so a question arises: is there some simple way to do
>> this?
>
> To do what Jonatan asked for? I believe there isn't. The alternative
> is to use ChrootCompile to make controlled builds of packages.
> ChrootCompile should probably be enhanced with some knowledge about
> how to handle these optional dependencies, but the biggest missing
> block was to be able to tell recipes how to be behave on the presence
> of these optional deps, and now we have that.
In what way is with_gtk1=("--enable-gtk" "--disable-gtk") not simple? I
really think that <feature> should be *disabled* (not auto-configured) if
that use_flag is specified as "without" (- instead of +) if it's possible.
If I write "-gtk1" in my system wide useflag conf file, I expect all apps
that *could* be built without gtk 1.x to not build with gtk 1.x. Without
having to set up a chrooted build environment without gtk 1.x...
>From a recipe perspective it's easy: if the option can be explicitly
disabled, add a second element to the with_<feature> array. If not, leave
it out or let it be an empty "" string.
>From a script programming perspective it's also easy: if the flag was
given as '+' use the first element of any with_<flag> variable, if the
flag was '-' use the second element, if the flag was not specificed, do
nothing.
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