Bug 108921

Summary:	amd64 doc: -O2 optimization flag inconsistency
Product:	[OLD] Docs-user	Reporter:	Theresa Ford <theresa.ford>
Component:	Other	Assignee:	Docs Team <docs-team>
Status:	RESOLVED INVALID
Severity:	normal
Priority:	High
Version:	unspecified
Hardware:	AMD64
OS:	Linux
URL:	http://www.gentoo.org/proj/en/base/amd64/technotes/index.xml?part=1&chap=3
Whiteboard:
Package list:		Runtime testing required:	---

Description Theresa Ford 2005-10-11 12:39:56 UTC

3.i. Properly Setting CFLAGS
http://www.gentoo.org/proj/en/base/amd64/technotes/index.xml?part=1&chap=3
says to use -O2

yet:
5.a. Important Errata For Gentoo Installation
http://www.gentoo.org/proj/en/base/amd64/technotes/index.xml?part=1&chap=5
says:  NEVER use -Os in your CFLAGS on the AMD64 platform

Which way is correct?

Reproducible: Always
Steps to Reproduce:
See details.
Actual Results:  
See details.

Expected Results:  
Document should be consistent on optimization flags.

N/A

Comment 1 Jakub Moc (RETIRED) gentoo-dev

2005-10-11 12:51:07 UTC

-O2 != -Os