Gentoo Websites Logo
Go to: Gentoo Home Documentation Forums Lists Bugs Planet Store Wiki Get Gentoo!
Bug 887961 - [guru] sci-libs/qdldl-0.1.5_p20211001 overwrites user's optimization (-O*)
Summary: [guru] sci-libs/qdldl-0.1.5_p20211001 overwrites user's optimization (-O*)
Status: RESOLVED FIXED
Alias: None
Product: GURU
Classification: Unclassified
Component: Package issues (show other bugs)
Hardware: All Linux
: Normal normal
Assignee: Alessandro Barbieri
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: qa-guru
  Show dependency tree
 
Reported: 2022-12-22 11:14 UTC by Agostino Sarubbo
Modified: 2024-03-25 20:54 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---

Attachments
build.log (build.log,51.25 KB, text/plain)
2022-12-22 11:14 UTC, Agostino Sarubbo 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Agostino Sarubbo gentoo-dev 2022-12-22 11:14:14 UTC 
https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: sci-libs/qdldl-0.1.5_p20211001 overwrites user's optimization (-O*).
Discovered on: amd64 (internal ref: guru_tinderbox)

NOTE:
(CLANG-STRICTER-SYSTEM) in the summary means that the bug was found on a machine that runs clang with stricter mode

This machine uses clang with CFLAGS/CXXFLAGS=-Werror=implicit-function-declaration -Werror=implicit-int -Werror=incompatible-function-pointer-types

See also:
https://archives.gentoo.org/gentoo-dev/message/dd9f2d3082b8b6f8dfbccb0639e6e240
https://wiki.gentoo.org/wiki/Modern_C_porting
man gcc says:
"If you use multiple -O options, with or without level numbers, the last such option is the one that is effective".

So, since the build system adds -O* after -O* provided by my CFLAGS/CXXFLAGS means that it is overwritten and unless there are known issues with -O* configured by the user, the build system should not overwrite -O*.
Comment 1 Agostino Sarubbo gentoo-dev 2022-12-22 11:14:17 UTC 
Created attachment 844713 [details]
build.log

build log and emerge --info