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Type: Bug
Resolution: Won't Do
Priority: P2: Important
Fix Version/s: None
Affects Version/s: 5.14.0
Component/s: Core: QString and Unicode
Labels:
None
Environment:
linux gcc v4.8.2

Platform/s:

Linux/X11

Description

We normally do a static build of Qt on an old platform that uses gcc v4.8.2.

Up until Qt v5.13.2 this was no problem, but Qt v5.14.0 fails on:

Prior to reconfiguration, make sure you remove any leftovers from
the previous build.+ make
cd qtbase/ && ( test -e Makefile || /<...qt-static>/qtbase/bin/qmake -o Makefile /home/development/qt-everywhere-src-5.14.0/qtbase/qtbase.pro ) && make -f Makefile 
Info: creating cache file /<...qt-static>/qtbase/.qmake.cache
make[1]: Entering directory `/<...qt-static>/qtbase'
cd src/ && ( test -e Makefile || /<...qt-static>/qtbase/bin/qmake -o Makefile /home/development/qt-everywhere-src-5.14.0/qtbase/src/src.pro ) && make -f Makefile 
make[2]: Entering directory `/<...qt-static>/qtbase/src'
cd tools/bootstrap/ && ( test -e Makefile || /<...qt-static>/qtbase/bin/qmake -o Makefile /home/development/qt-everywhere-src-5.14.0/qtbase/src/tools/bootstrap/bootstrap.pro ) && make -f Makefile 
make[3]: Entering directory `/<...qt-static>/qtbase/src/tools/bootstrap'
g++ -c -pipe -O2 -fPIC -std=c++11 -fvisibility=hidden -fvisibility-inlines-hidden -ffunction-sections -fdata-sections -fno-exceptions -Wall -Wextra -Wvla -Wno-missing-field-initializers -D_REENTRANT -DQT_NO_LINKED_LIST -DQT_NO_JAVA_STYLE_ITERATORS -DQT_VERSION_STR='"5.14.0"' -DQT_VERSION_MAJOR=5 -DQT_VERSION_MINOR=14 -DQT_VERSION_PATCH=0 -DQT_BOOTSTRAPPED -DQT_NO_CAST_TO_ASCII -DQT_NO_FOREACH -DQT_NO_CAST_FROM_ASCII -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_BUILD_BOOTSTRAP_LIB -DQT_BUILDING_QT -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_DEPRECATED_WARNINGS_SINCE=0x060000 -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -I/home/development/qt-everywhere-src-5.14.0/qtbase/src/tools/bootstrap -I. -I/home/development/qt-everywhere-src-5.14.0/qtbase/include -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore/5.14.0 -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore/5.14.0/QtCore -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtXml -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtXml/5.14.0 -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtXml/5.14.0/QtXml -I/<...qt-static>/qtbase/include -I/<...qt-static>/qtbase/include/QtCore -I/<...qt-static>/qtbase/include/QtXml -I/home/development/qt-everywhere-src-5.14.0/qtbase/mkspecs/linux-g++ -o .obj/qlatincodec.o /home/development/qt-everywhere-src-5.14.0/qtbase/src/corelib/codecs/qlatincodec.cpp
g++ -c -pipe -O2 -fPIC -std=c++11 -fvisibility=hidden -fvisibility-inlines-hidden -ffunction-sections -fdata-sections -fno-exceptions -Wall -Wextra -Wvla -Wno-missing-field-initializers -D_REENTRANT -DQT_NO_LINKED_LIST -DQT_NO_JAVA_STYLE_ITERATORS -DQT_VERSION_STR='"5.14.0"' -DQT_VERSION_MAJOR=5 -DQT_VERSION_MINOR=14 -DQT_VERSION_PATCH=0 -DQT_BOOTSTRAPPED -DQT_NO_CAST_TO_ASCII -DQT_NO_FOREACH -DQT_NO_CAST_FROM_ASCII -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_BUILD_BOOTSTRAP_LIB -DQT_BUILDING_QT -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DQT_USE_QSTRINGBUILDER -DQT_DEPRECATED_WARNINGS -DQT_DISABLE_DEPRECATED_BEFORE=0x050000 -DQT_DEPRECATED_WARNINGS_SINCE=0x060000 -DQT_NO_EXCEPTIONS -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE -DQT_NO_DEBUG -I/home/development/qt-everywhere-src-5.14.0/qtbase/src/tools/bootstrap -I. -I/home/development/qt-everywhere-src-5.14.0/qtbase/include -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore/5.14.0 -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore/5.14.0/QtCore -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtXml -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtXml/5.14.0 -I/home/development/qt-everywhere-src-5.14.0/qtbase/include/QtXml/5.14.0/QtXml -I/<...qt-static>/qtbase/include -I/<...qt-static>/qtbase/include/QtCore -I/<...qt-static>/qtbase/include/QtXml -I/home/development/qt-everywhere-src-5.14.0/qtbase/mkspecs/linux-g++ -o .obj/qtextcodec.o /home/development/qt-everywhere-src-5.14.0/qtbase/src/corelib/codecs/qtextcodec.cpp
/home/development/qt-everywhere-src-5.14.0/qtbase/src/corelib/codecs/qtextcodec.cpp: In constructor 'TextCodecsMutexLocker::TextCodecsMutexLocker()':
/home/development/qt-everywhere-src-5.14.0/qtbase/src/corelib/codecs/qtextcodec.cpp:112:29: error: use of deleted function 'std::unique_lock<_Mutex>::unique_lock(const std::unique_lock<_Mutex>&) [with _Mutex = QRecursiveMutex]'
     TextCodecsMutexLocker() {} // required d/t an ICC 19 bug
                             ^
In file included from /home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore/5.14.0/QtCore/private/../../../../../src/corelib/thread/qlocking_p.h:57:0,
                 from /home/development/qt-everywhere-src-5.14.0/qtbase/include/QtCore/5.14.0/QtCore/private/qlocking_p.h:1,
                 from /home/development/qt-everywhere-src-5.14.0/qtbase/src/corelib/codecs/qtextcodec.cpp:50:
/usr/include/c++/4.8.2/mutex:479:7: error: declared here
       unique_lock(const unique_lock&) = delete;
       ^
make[3]: *** [.obj/qtextcodec.o] Error 1
make[3]: Leaving directory `/<...qt-static>/qtbase/src/tools/bootstrap'
make[2]: *** [sub-bootstrap-make_first] Error 2
make[2]: Leaving directory `/<...qt-static>/qtbase/src'
make[1]: *** [sub-src-make_first] Error 2
make[1]: Leaving directory `/<...qt-static>/qtbase'
make: *** [module-qtbase-make_first] Error 2
+ exit 1

this line was introduced here:

commit a6ffdbe30c49fa1ede0d147531b89d121d00fa94
 Author: Marc Mutz <marc.mutz@kdab.com>
 Date: Mon Oct 7 05:30:54 2019 +0200
QTextCodec: try to work around an ICC 19 bug

Given the minimum requirements I'd expect v4.8.2 to still work