> > I did a rebuild overnight to make sure everything is still working and > kept a log. Unfortunately, no magical insights from it though. > > However, it looks like the c++14 thing was a red herring - I see plenty > of references to it (including checking for its capability). > Yeah, I don't believe this is an issue.
> I noticed that ninja itself (version, whatever) is probably not > implicated; the configuration finds the system ninja to be too old and > doesn't use it: > > Checking for system ninja... > Found ninja from path: /usr/bin/ninja > + /usr/bin/ninja --version > > 1.10.0 > Ninja version too old > Building own ninja > The upstream qtwebengine repo has a patch that hasn't been back ported it to a version > 5.12.8 in the 5.12.x branch, which adds logic to pick up ninja version >= 1.10.x. https://github.com/qt/qtwebengine/commit/8c1a4841174a90299ba2e2851b4d9e79da3b9b25 Patch attached to pick up newer ninja version. I also found the area where OP's build failed. No failure here but it is > interesting that the progress indicator was quite different. In my build > it was [15020/16427] but for OP it was [641/2162]. I wonder if that > means different things are being built - leading to question of what the > configuration discovered on the build machine (therefore determining > what needed to be built). > Same. Mine failed on [116/2525]. Looking up farther in the build output I saw the following lines. FAILED: obj/third_party/blink/renderer/core/core/core_initializer.o ...... virtual memory exhausted: Cannot allocate memory > My build was on a clean, up to date, VM - nothing else installed except > the required ninja, python3, meson & libxkbcommon packages. > Same. Original VM had 4GB of RAM and no swap. I increased it to 8GB of RAM and that succeeded in less than half the time it took to fail on 4GB of RAM. --Larry
qt5.SlackBuild.diff
Description: Binary data
From 8c1a4841174a90299ba2e2851b4d9e79da3b9b25 Mon Sep 17 00:00:00 2001
From: Kirill Burtsev <kirill.burtsev@qt.io>
Date: Fri, 6 Mar 2020 17:38:45 +0100
Subject: [PATCH] Support build with system ninja >= 1.10.0
Fixes: QTBUG-82715
Change-Id: I9a269efa20d092f75a8a43cb20d1e0dc0f46b9f9
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
---
configure.pri | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure.pri b/configure.pri
index 3a144e3f8..3cfce71e0 100644
--- a/configure.pri
+++ b/configure.pri
@@ -163,7 +163,7 @@ defineTest(qtConfTest_detectNinja) {
!isEmpty(ninja) {
qtLog("Found ninja from path: $$ninja")
qtRunLoggedCommand("$$ninja --version", version)|return(false)
- contains(version, "1.[7-9].*"): return(true)
+ contains(version, "1\.([7-9]|1[0-9])\..*"): return(true)
qtLog("Ninja version too old")
}
qtLog("Building own ninja")
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