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Re: [PATCH] Check .exe as well when a target does not exist on OS/2

From: KO Myung-Hun
Subject: Re: [PATCH] Check .exe as well when a target does not exist on OS/2
Date: Tue, 17 Jan 2023 01:38:28 +0900
User-agent: Mozilla/5.0 (OS/2; Warp 4.5; rv:10.0.6esrpre) Gecko/20120715 Firefox/10.0.6esrpre SeaMonkey/2.7.2


Paul Smith wrote:
> On Mon, 2023-01-16 at 22:14 +0900, KO Myung-Hun wrote:
>>> But this does not seem like an easy thing to accomplish, at all. 
>>> What if there is a "%.exe" pattern rule, not an explicit rule for
>>> "foo.exe"?
>> I think, it's possible to do so by finding a target as GNU Make finds
>> dependencies.
> GNU Make doesn't try to resolve all the targets including all implicit
> targets first, then after they're all done try to build them.
> Instead, it tries to build every target as it is needed.  So if you try
> to build "foo.exe" first and it finds an implicit target "%.exe" then
> you try to build "foo" second, it will see that the target "foo.exe"
> already exists.
> But if you try to build "foo" first before "foo.exe", then there will
> be no target "foo.exe" yet because you haven't tried to build it, and
> it won't be found.  Note here the "foo.exe" has to be intermediate of
> course, otherwise it will be known to make even using an implicit rule.

What I meant is checking the existence of a rule for a target not a real
file built for a target.

KO Myung-Hun

Using Mozilla SeaMonkey 2.7.2
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