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bug#24720: Performance impact of -no-pie

From: Alex
Subject: bug#24720: Performance impact of -no-pie
Date: Wed, 19 Oct 2016 13:45:47 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

>> From: Alex <address@hidden>
>> Date: Tue, 18 Oct 2016 22:41:02 -0600
>> Cc: Paul Eggert <address@hidden>, address@hidden
>> I can see what the CFLAGS are in src/Makefile, thanks. Though it might
>> be nice if I could see these at the Elisp level even when they're the
>> default.
> The default switches are known, so they don't need to be spelled out
> in the report.  It's the non-default ones that needs to be shown.

I agree that they don't need to be in the report, but just having them
in a variable (e.g. system-configuration-options) would make it easier
for users to see what the default switches are.

For example, I would have compared system-configuration-options between
the slow and fast builds and noticed that the fast build had '-O2' while
the slow one didn't, and this report wouldn't have been filed.

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