Details
-
Bug
-
Resolution: Duplicate
-
Not Evaluated
-
None
-
6.0.0 Beta4
-
None
-
$ lsb_release -d
Description: openSUSE Leap 15.2
$ uname -a
Linux localhost.localdomain 5.3.18-lp152.47-default #1 SMP Thu Oct 15 16:05:25 UTC 2020 (41f7396) x86_64 x86_64 x86_64 GNU/Linux
Description
Found when building Qt from CI-approved commit 43291fd110 in the dev branch of qt5.git.
The -ltcg (Link Time Code Generation) configure option seems to have stopped working in the cmake based version of configure.
$ git clone git://code.qt.io/qt/qt5.git ... $ cd qt5 $ git checkout v6.0.0-beta3 $ perl init-repository -f ... $ ./configure -opensource -developer-build -confirm-license -ltcg ... Using LTCG ............................. yes ... $ git checkout dev ... $ git reflog 43291fd1 (HEAD -> dev, origin/dev, origin/HEAD) HEAD@{0}: clone: from git://code.qt.io/qt/qt5.git $ perl init-repository -f ... $ ./configure -opensource -developer-build -confirm-license -ltcg ... Using LTCG ............................. no ... $
Attachments
Issue Links
- duplicates
-
QTBUG-87874 Can't enable LTCG for cmake builds
- Closed