* [Buildroot] [Bug 13046] New: Optimize for fast -Ofast is not compliant
@ 2020-06-30 8:16 bugzilla at busybox.net
2020-06-30 8:18 ` [Buildroot] [Bug 13046] " bugzilla at busybox.net
2020-07-18 14:08 ` bugzilla at busybox.net
0 siblings, 2 replies; 3+ messages in thread
From: bugzilla at busybox.net @ 2020-06-30 8:16 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=13046
Bug ID: 13046
Summary: Optimize for fast -Ofast is not compliant
Product: buildroot
Version: 2020.05
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: Other
Assignee: unassigned at buildroot.uclibc.org
Reporter: sveyret at gmail.com
CC: buildroot at uclibc.org
Target Milestone: ---
In buildroot, it is possible to select the gcc optimization flag (Build
options/gcc optimization level).
The flag -Ofast in gcc creates code that is not compliant to standards. This is
written in gcc documentations, and also in the help when you select ?optimize
for fast? in ?gcc optimization level?. But for someone creating an embedded
system where speed is critical, he may select this optimization without reading
the help, which would build non-working packages (I spent about a whole week
searching why NodeJS was not working on my system!)
I suggest to indicate the problem in the label like, for example: ?optimize for
fast (may break packages!)?.
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* [Buildroot] [Bug 13046] Optimize for fast -Ofast is not compliant
2020-06-30 8:16 [Buildroot] [Bug 13046] New: Optimize for fast -Ofast is not compliant bugzilla at busybox.net
@ 2020-06-30 8:18 ` bugzilla at busybox.net
2020-07-18 14:08 ` bugzilla at busybox.net
1 sibling, 0 replies; 3+ messages in thread
From: bugzilla at busybox.net @ 2020-06-30 8:18 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=13046
St?phane Veyret <sveyret@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://bugs.busybox.net/sh
| |ow_bug.cgi?id=13031
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* [Buildroot] [Bug 13046] Optimize for fast -Ofast is not compliant
2020-06-30 8:16 [Buildroot] [Bug 13046] New: Optimize for fast -Ofast is not compliant bugzilla at busybox.net
2020-06-30 8:18 ` [Buildroot] [Bug 13046] " bugzilla at busybox.net
@ 2020-07-18 14:08 ` bugzilla at busybox.net
1 sibling, 0 replies; 3+ messages in thread
From: bugzilla at busybox.net @ 2020-07-18 14:08 UTC (permalink / raw)
To: buildroot
https://bugs.busybox.net/show_bug.cgi?id=13046
Thomas Petazzoni <thomas.petazzoni@bootlin.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #1 from Thomas Petazzoni <thomas.petazzoni@bootlin.com> ---
Fixed by
https://git.buildroot.org/buildroot/commit/?id=3e186cee008f94f6a33adeac329b13087ab11ddb.
Thanks!
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