SDK Fails to run perl while compiling on aarch64

[rinigus]

REPRODUCIBILITY: always
OS VERSION: 4.5.0.18
HARDWARE: SDK
UI LANGUAGE: NA
REGRESSION: Don’t know

DESCRIPTION:

Several packages from Qt 5.15 fail to compile on SDK with aarch64 with an error during compilation:

make[2]: Leaving directory '/home/rinigus/qt/qtdeclarative/upstream/src/qmltyperegistrar'
cd qml/ && ( test -e Makefile || /opt/qt5/bin/qmake -o Makefile /home/rinigus/qt/qtdeclarative/upstream/src/qml/qml.pro ) && make -f Makefile 
Project MESSAGE: perl -w /opt/qt5/bin/syncqt.pl -module QtQml -version 5.15.8 -outdir /home/rinigus/qt/qtdeclarative/upstream -builddir /home/rinigus/qt/qtdeclarative/upstream /home/rinigus/qt/qtdeclarative/upstream
Use of uninitialized value $directory in concatenation (.) or string at /opt/qt5/bin/syncqt.pl line 691.
fileparse(): need a valid pathname at /opt/qt5/bin/syncqt.pl line 694.
Project ERROR: Failed to run: perl -w /opt/qt5/bin/syncqt.pl -module QtQml -version 5.15.8 -outdir /home/rinigus/qt/qtdeclarative/upstream -builddir /home/rinigus/qt/qtdeclarative/upstream /home/rinigus/qt/qtdeclarative/upstream
make[1]: *** [Makefile:102: sub-qml-make_first-ordered] Error 3
make[1]: Leaving directory '/home/rinigus/qt/qtdeclarative/upstream/src'
make: *** [Makefile:50: sub-src-make_first] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.3xJvHQ (%build)

RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.3xJvHQ (%build)
Messages from sb2:
 (WARNING)      qmake[1152823/-142194880]       Path not found for FD 3, for __fxstatat64()

At the same time, x86 version would work. Compilation would also work at OBS, see example package at Show home:rinigus:qt515:packaging / qtdeclarative - SailfishOS Open Build Service

PRECONDITIONS:

Get latest SFOS target and tooling. Add following repositories to compile:

Enabled repositories (global): 
 - adaptation-common ... https://releases.jolla.com/releases/4.5.0.18/jolla-hw/adaptation-common/aarch64/
 - apps              ... https://releases.jolla.com/jolla-apps/4.5.0.18/aarch64/
 - customer-jolla    ... https://releases.jolla.com/features/4.5.0.18/customers/jolla/aarch64/
 - hotfixes          ... https://releases.jolla.com/releases/4.5.0.18/hotfixes/aarch64/
 - jolla             ... https://releases.jolla.com/releases/4.5.0.18/jolla/aarch64/
 - sdk               ... https://releases.jolla.com/releases/4.5.0.18/sdk/aarch64/

Enabled repositories (user): 
 - qt515  ... https://repo.sailfishos.org/obs/home:/rinigus:/qt515:/packaging/sailfish_latest_aarch64/

STEPS TO REPRODUCE:

1. Clone recursively GitHub - sailfishos-chum/qtdeclarative
2. Checkout commit accee6958069df6c245b511d0d35275e79286d4d
3. try to compile: mb2 -t devel-aarch64 build .

EXPECTED RESULT:

Corresponding section in successful log at OBS with the same target:

[   69s] cd qml/ && ( test -e Makefile || /opt/qt5/bin/qmake -o Makefile /home/abuild/rpmbuild/BUILD/opt-qt5-qtdeclarative-5.15.8+main.20230317095755.accee69/upstream/src/qml/qml.pro ) && make -f Makefile 
[   69s] Project MESSAGE: perl -w /opt/qt5/bin/syncqt.pl -module QtQml -version 5.15.8 -outdir /home/abuild/rpmbuild/BUILD/opt-qt5-qtdeclarative-5.15.8+main.20230317095755.accee69/upstream -builddir /home/abuild/rpmbuild/BUILD/opt-qt5-qtdeclarative-5.15.8+main.20230317095755.accee69/upstream /home/abuild/rpmbuild/BUILD/opt-qt5-qtdeclarative-5.15.8+main.20230317095755.accee69/upstream
[   71s] <srcbase> = /home/abuild/rpmbuild/BUILD/opt-qt5-qtdeclarative-5.15.8+main.20230317095755.accee69/upstream 
[   71s] <bldbase> = /home/abuild/rpmbuild/BUILD/opt-qt5-qtdeclarative-5.15.8+main.20230317095755.accee69/upstream 
[   71s] <outbase> = /home/abuild/rpmbuild/BUILD/opt-qt5-qtdeclarative-5.15.8+main.20230317095755.accee69/upstream 
[   71s] QtQml: created fwd-include header(s) for <srcbase>/src/qml/ { inlinecomponentutils_p.h (1), qtqmlcompilerglobal.h (1), qtqmlcompilerglobal_p.h (1), qtqmlglobal.h (1), qtqmlglobal_p.h (1) }

ACTUAL RESULT:

Compilation failed as shown in Description above.

MODIFICATIONS:

Described in “preconditions” above

ADDITIONAL INFORMATION:

Similar errors were observed with several other modules of Qt 5.15

[vige]

This is an old and known bug, marking as tracked. It’s really not about “failing to run perl”, but about $directory not being set properly. In the old qt version, there was a workaround:

It looks like the problem is in /usr/lib/qt5/bin/syncqt.pl from qt5-tools [2]. Changing line 684 as follows fixes the problem for me:

-     $directory = abs_path($directory);
+     $directory = File::Spec->canonpath($directory);

As you are on a newer qt, the script might have changed a bit, so ymmv.

[rinigus]

@vige, thank you very much for a pointer! I will try it as well. However, how can it be that at OBS it runs without any issues? Any idea on what is OBS doing differently here?

[vige]

Sorry, no idea. That would require some investigation.

[mal]

The way to fix this issue is to create a folder /srv/mer/targets inside the target for example by using sb2 -t devel-aarch64 -R mkdir -p /srv/mer/targets (replace target name “devel-aarch64” with correct one). The fix will be included in next release.

[rinigus]

@mal: Thank you very much for finding it!