[vlc-devel] [PATCH] configure: Don't force _WIN32_WINNT to 0x0601 if it is set to a higher version

[Steve Lhomme]

> On 12 Jul 2018, at 20:56, Martin Storsjö <martin at martin.st> wrote:
> 
>> On Thu, 12 Jul 2018, Steve Lhomme wrote:
>> 
>> There are many things here:
>> 
>> - _WIN32_WINNT was set conditionally and unconditionally (conditionally is right)
>> 
>> - it was overridden by the unconditional part when set to a newer/older value than 0x0601, that part should just go away
>> 
>> - the intent of the conditional part is that the default is 0x0601 but any other value would work. Your patches changes that and don't allow forcing building for older targets. I don't think it's necessary/right.
> 
> Well afaik we don't intend to support building for anything older. But I changed that part when I fixed this later this morning.
> 
>> Simply removing the  AC_DEFINE() line was sufficient.
> 
> Yes, that was what I thought initially as well (which makes the referenced commit e807c8e91 look even stranger). But the reason for that commit was that the previous block of ifdefs, added via AH_TOP, weren't taken into account when running other tests in configure, which was e807c8e91 added. But I changed it all to a preprocessor check in configure, and only then adding it via AC_DEFINE.

Yes it's a lot better. You might turn it into a general m4 function. Maybe AC_DEFINE could use it to allow overriding for specific builds.

> // Martin
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