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Re: new zsh build hang on sparkylinux (essentially debian test)

X-seq: zsh-workers 38573
From: Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>
To: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: new zsh build hang on sparkylinux (essentially debian test)
Date: Thu, 02 Jun 2016 13:28:31 +0000
In-reply-to: <160601180514.ZM13286@torch.brasslantern.com>
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Bart Schaefer wrote on Wed, Jun 01, 2016 at 18:05:14 -0700:
> Does our "configure" assure that the test cases are run with the same
> compiler optimization flags as the final build?

Datapoint: the zsh_cv_c_have_union_init AC_TRY_COMPILE() check happens
before adding the output of `pcre-config --cflags` to CPPFLAGS.  

Cheers,

Daniel
(Bart: thanks for 38569; it'll take me more time to digest it)

> Obviously compiler optimization isn't intended to change semantics, but
> there may be some behavior that differs among standards and we're relying
> on some variant that occurs when the build is not optimized.

References:
- new zsh build hang on sparkylinux (essentially debian test)
  - From: Vin Shelton
- Re: new zsh build hang on sparkylinux (essentially debian test)
  - From: Bart Schaefer
- Re: new zsh build hang on sparkylinux (essentially debian test)
  - From: Vin Shelton
- Re: new zsh build hang on sparkylinux (essentially debian test)
  - From: Bart Schaefer

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