Public bug reported:
clang++ -flto does not seem to configure everything properly:
$ clang++ -stdlib=libc++ try.cpp -O3 -flto -Wall -Wextra
/tmp/try-1083b9.o: file not recognized: Dateiformat nicht erkannt
clang: error: linker command failed with exit code 1 (use -v to see invocation)
$ clang++ -stdlib=libc++ try.cpp -O3 -flto -Wall -Wextra -B/usr/lib/gold-ld
however, works properly.
See the attached files for output from the same commands with "-v" added
on the respective command lines.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: clang-3.4 1:3.4-1ubuntu3
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Sep 20 12:53:53 2014
SourcePackage: llvm-toolchain-3.4
UpgradeStatus: Upgraded to trusty on 2014-08-29 (21 days ago)
** Affects: llvm-toolchain-3.4 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages trusty
** Attachment added: "Output of clang++ -stdlib=libc++ try.cpp -O3 -flto -Wall
-Wextra -v 2>&1 | tee clang-without-B.txt"
https://bugs.launchpad.net/bugs/1371899/+attachment/4209576/+files/clang-without-B.txt
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https://bugs.launchpad.net/bugs/1371899
Title:
clang++ -flto fails to work unless -B /usr/lib/gold-ld is given
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