Pierre Labastie wrote:
On 15/05/2016 11:35, Pierre Labastie wrote:
On 14/05/2016 17:03, Ken Moffat wrote:
On Sat, May 14, 2016 at 04:14:48PM +0200, Pierre Labastie wrote:
This "-fno-delete-null-pointer-checks" addition is the same as that for
OpenJDK. I understand it removes some too agressive optimization.
It seems that only qtwebengine needs that, and not the whole Qt, so I wonder
how to do it: First build Qt with -skip-qtwebengine, then run qmake for qt
webengine (as in the fedora spec above), and make again? Or add a new page for
qtwebengine?
I haven't had time to study the details of what fedora are doing,
but I was already thinking about adding a new page for qtwebengine.
My primary reason is that it extendes the build time a lot and for
the moment only qupzilla uses it.
But that might end up with both pages calling themselves qt
throughout the book.
Update:
Adding "export CXXFLAGS=-fno-delete-null-pointer-checks" before building
qtwebengine fixes qupzilla (respective to this "unable to load page" thing).
FWIW, here is what I did:
- build qt5 as per the book (skip-qtwebengine)
- build the whole of LXQt except qupzilla.
- install pciutils
- build qtwebengine with the following instructions:
- extract qt5 tarball again and change to the extracted directory
- apply the NSS patch
Forgot:
- run "export CXXFLAGS=-fno-delete-null-pointer-checks"
- run "./configure ..." as given in the book, except removing the
"-skip-qtwebengine" flag
- run "make module-qtwebengine". This just rebuilds part of qt, and then
builds qtwebengine
- run "make module-qtwebengine-install_subtargets".
- run the instructions as in the book to remove reference to the build
directory.
- build qupzilla, as per the book.
Do you have any timing data or space for that?
-- Bruce
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