Or sometimes like this:
--8<---------------cut here---------------start------------->8---
[ 81%] Generating
../../DerivedSources/WebKit2/AuthenticationManagerMessageReceiver.cpp,
../../DerivedSources/WebKit2/AuthenticationManagerMessages.h
cd
/tmp/guix-build-qtwebkit-5.212.0-alpha2.drv-0/qtwebkit-5.212.0-alpha2/Source/WebKit2
&& /gnu/store/g87hamjyipk1j6dfq5pjfzfnfb64spbv-python2-2.7.15/bin/python2.7
/tmp/guix-build-qtwebkit-5.212.0-alpha2.drv-0/qtwebkit-5.212.0-alpha2/Source/WebKit2/Scripts/generate-message-receiver.py
Shared/Authentication/AuthenticationManager.messages.in >
/tmp/guix-build-qtwebkit-5.212.0-alpha2.drv-0/build/DerivedSources/WebKit2/AuthenticationManagerMessageReceiver.cpp
Traceback (most recent call last):
File
"/tmp/guix-build-qtwebkit-5.212.0-alpha2.drv-0/qtwebkit-5.212.0-alpha2/Source/WebKit2/Scripts/generate-message-receiver.py",
line 28, in <module>
import webkit.messages
EOFError: EOF read where object expected
cd
/tmp/guix-build-qtwebkit-5.212.0-alpha2.drv-0/qtwebkit-5.212.0-alpha2/Source/WebKit2
&& /gnu/store/g87hamjyipk1j6dfq5pjfzfnfb64spbv-python2-2.7.15/bin/python2.7
/tmp/guix-build-qtwebkit-5.212.0-alpha2.drv-0/qtwebkit-5.212.0-alpha2/Source/WebKit2/Scripts/generate-messages-header.py
NetworkProcess/NetworkResourceLoader.messages.in >
/tmp/guix-build-qtwebkit-5.212.0-alpha2.drv-0/build/DerivedSources/WebKit2/NetworkResourceLoaderMessages.h
make[2]: *** [Source/WebKit2/CMakeFiles/WebKit2.dir/build.make:194:
DerivedSources/WebKit2/ChildProcessMessageReceiver.cpp] Error 1
--8<---------------cut here---------------end--------------->8---
See
<https://ci.guix.info/log/901miwpk9srhwq3646v6bm7zni3qda8m-qtwebkit-5.212.0-alpha2>.
Interestingly this was first reported here for WebkitGTK:
<https://issues.guix.info/issue/30015>.
Did the issue vanish for WebkitGTK? Qtwebkit is older so it may well
miss an upstream fix.
Thanks,
Ludo’.
