705360 – kde-apps/kdenlive shows warning: ‘-Werror=’ argument ‘-Werror=implicit-function-declaration’ is not valid for C++

Bug 705360 - kde-apps/kdenlive shows warning: ‘-Werror=’ argument ‘-Werror=implicit-function-declaration’ is not valid for C++

Summary: kde-apps/kdenlive shows warning: ‘-Werror=’ argument ‘-Werror=implicit-functi...

Status:	RESOLVED UPSTREAM

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	Current packages (show other bugs)
Hardware:	All Linux

Importance:	Normal normal (vote)
Assignee:	Gentoo KDE team

URL:
Whiteboard:	fixed in 19.12
Keywords:

Depends on:
Blocks:

Reported:	2020-01-13 17:28 UTC by m.manico
Modified:	2020-01-18 19:17 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

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Description m.manico 2020-01-13 17:28:18 UTC

Usually, I'd not report any compile warnings, but in this case, emerge will output

cc1plus: warning: ‘-Werror=’ argument ‘-Werror=implicit-function-declaration’ is not valid for C++

at *EVERY* call of /usr/bin/x86_64-pc-linux-gnu-g++

Example:

[115/347] /usr/bin/x86_64-pc-linux-gnu-g++ -DKCOREADDONS_LIB -DKGUIADDONS_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB -DQT_DBUS_LIB -DQT_GUI_LIB -DQT_MULTIMEDIA_LIB -DQT_NETWORK_LIB -DQT_NO_CAST_FROM_BYTEARRAY -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_URL_CAST_FROM_STRI
NG -DQT_QMLMODELS_LIB -DQT_QML_LIB -DQT_QUICKWIDGETS_LIB -DQT_QUICK_LIB -DQT_STRICT_ITERATORS -DQT_SVG_LIB -DQT_WIDGETS_LIB -DQT_XML_LIB -DRTTR_DLL -DTRANSLATION_DOMAIN=\"kdenlive\" -DUSE_JOGSHUTTLE -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -Isrc -I/var/tmp/portage/kde-ap
ps/kdenlive-19.08.3/work/kdenlive-19.08.3/src -Isrc/kdenliveLib_autogen/include -I. -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/lib/external -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/lib -I/var/tmp/portage/kde-
apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/SYSTEM -Isrc/lib/external/kiss_fft -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/lib/external/kiss_fft -Isrc/lib/external/media_ctrl -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-1
9.08.3/src/lib/external/media_ctrl -I/usr/include/mlt -isystem /usr/include/KF5/KWidgetsAddons -isystem /usr/include/KF5 -isystem /usr/include/qt5 -isystem /usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtGui -isystem /usr/include/qt5/QtCore -isystem /usr/lib6
4/qt5/mkspecs/linux-g++ -isystem /usr/include/KF5/KArchive -isystem /usr/include/KF5/KCoreAddons -isystem /usr/include/KF5/KIOCore -isystem /usr/include/KF5/KService -isystem /usr/include/KF5/KConfigCore -isystem /usr/include/qt5/QtNetwork -isystem /usr/include/qt5/
QtConcurrent -isystem /usr/include/qt5/QtDBus -isystem /usr/include/KF5/KIOFileWidgets -isystem /usr/include/KF5/KIOWidgets -isystem /usr/include/KF5/KJobWidgets -isystem /usr/include/KF5/KCompletion -isystem /usr/include/KF5/KBookmarks -isystem /usr/include/qt5/QtX
ml -isystem /usr/include/KF5/KItemViews -isystem /usr/include/KF5/KXmlGui -isystem /usr/include/KF5/KConfigWidgets -isystem /usr/include/KF5/KCodecs -isystem /usr/include/KF5/KConfigGui -isystem /usr/include/KF5/KAuth -isystem /usr/include/KF5/Solid -isystem /usr/in
clude/KF5/KNotifyConfig -isystem /usr/include/KF5/KNewStuff3 -isystem /usr/include/KF5/KNewStuff3/KNS3 -isystem /usr/include/KF5/KNewStuff3/knscore -isystem /usr/include/KF5/KNewStuff3/kns3 -isystem /usr/include/KF5/KNewStuff3/KNSCore -isystem /usr/include/KF5/Attic
a -isystem /usr/include/KF5/KDBusAddons -isystem /usr/include/KF5/KGuiAddons -isystem /usr/include/KF5/KNotifications -isystem /usr/include/KF5/KTextWidgets -isystem /usr/include/KF5/SonnetUi -isystem /usr/include/KF5/KI18n -isystem /usr/include/KF5/KDeclarative -is
ystem /usr/include/qt5/QtQml -isystem /usr/include/KF5/KPackage -isystem /usr/include/KF5/KIconThemes -isystem /usr/include/qt5/QtSvg -isystem /usr/include/qt5/QtQuick -isystem /usr/include/qt5/QtQmlModels -isystem /usr/include/qt5/QtQuickWidgets -isystem /usr/inclu
de/qt5/QtMultimedia  -DQT_NO_DEBUG -DNDEBUG -O2 -pipe -fno-operator-names -fno-exceptions -Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef -Wnon-virtual-dtor -Woverloaded-virtual -Werror=return-type -Wvla -Wdate-t
ime -Wsuggest-override -Wlogical-op -fdiagnostics-color=always -fPIC -Wno-suggest-override -fvisibility=hidden -fvisibility-inlines-hidden     -Wall -pedantic -Wextra -Wcast-qual -Wcast-align -Wfloat-equal -Wpointer-arith -Wunreachable-code -Wchar-subscripts -Wcomme
nt -Wformat -Werror-implicit-function-declaration -Wmain -Wmissing-braces -Wparentheses -Wsequence-point -Wreturn-type -Wswitch -Wuninitialized -Wreorder -Wundef -Wshadow -Wwrite-strings -Wmissing-noreturn -Wsign-compare -Wsign-conversion -Wunused -Wstrict-aliasing 
-Wconversion -Wdisabled-optimization -Wno-undef -Wunused-parameter -Wshadow -Wno-variadic-macros -Wno-float-conversion -fPIC -std=gnu++14 -MD -MT src/CMakeFiles/kdenliveLib.dir/kdenliveLib_autogen/mocs_compilation.cpp.o -MF src/CMakeFiles/kdenliveLib.dir/kdenliveLib
_autogen/mocs_compilation.cpp.o.d -o src/CMakeFiles/kdenliveLib.dir/kdenliveLib_autogen/mocs_compilation.cpp.o -c src/kdenliveLib_autogen/mocs_compilation.cpp                                                                                                            
cc1plus: warning: ‘-Werror=’ argument ‘-Werror=implicit-function-declaration’ is not valid for C++   
                                                                                                                                                                     
[116/347] /usr/bin/x86_64-pc-linux-gnu-g++ -DKCOREADDONS_LIB -DKGUIADDONS_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB -DQT_DBUS_LIB -DQT_GUI_LIB -DQT_MULTIMEDIA_LIB -DQT_NETWORK_LIB -DQT_NO_CAST_FROM_BYTEARRAY -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG -DQT_NO_URL_CAST_FROM_STRI
NG -DQT_QMLMODELS_LIB -DQT_QML_LIB -DQT_QUICKWIDGETS_LIB -DQT_QUICK_LIB -DQT_STRICT_ITERATORS -DQT_SVG_LIB -DQT_WIDGETS_LIB -DQT_XML_LIB -DRTTR_DLL -DTRANSLATION_DOMAIN=\"kdenlive\" -DUSE_JOGSHUTTLE -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -Isrc -I/var/tmp/portage/kde-ap
ps/kdenlive-19.08.3/work/kdenlive-19.08.3/src -Isrc/kdenliveLib_autogen/include -I. -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/lib/external -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/lib -I/var/tmp/portage/kde-
apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/SYSTEM -Isrc/lib/external/kiss_fft -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/lib/external/kiss_fft -Isrc/lib/external/media_ctrl -I/var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-1
9.08.3/src/lib/external/media_ctrl -I/usr/include/mlt -isystem /usr/include/KF5/KWidgetsAddons -isystem /usr/include/KF5 -isystem /usr/include/qt5 -isystem /usr/include/qt5/QtWidgets -isystem /usr/include/qt5/QtGui -isystem /usr/include/qt5/QtCore -isystem /usr/lib6
4/qt5/mkspecs/linux-g++ -isystem /usr/include/KF5/KArchive -isystem /usr/include/KF5/KCoreAddons -isystem /usr/include/KF5/KIOCore -isystem /usr/include/KF5/KService -isystem /usr/include/KF5/KConfigCore -isystem /usr/include/qt5/QtNetwork -isystem /usr/include/qt5/
QtConcurrent -isystem /usr/include/qt5/QtDBus -isystem /usr/include/KF5/KIOFileWidgets -isystem /usr/include/KF5/KIOWidgets -isystem /usr/include/KF5/KJobWidgets -isystem /usr/include/KF5/KCompletion -isystem /usr/include/KF5/KBookmarks -isystem /usr/include/qt5/QtX
ml -isystem /usr/include/KF5/KItemViews -isystem /usr/include/KF5/KXmlGui -isystem /usr/include/KF5/KConfigWidgets -isystem /usr/include/KF5/KCodecs -isystem /usr/include/KF5/KConfigGui -isystem /usr/include/KF5/KAuth -isystem /usr/include/KF5/Solid -isystem /usr/in
clude/KF5/KNotifyConfig -isystem /usr/include/KF5/KNewStuff3 -isystem /usr/include/KF5/KNewStuff3/KNS3 -isystem /usr/include/KF5/KNewStuff3/knscore -isystem /usr/include/KF5/KNewStuff3/kns3 -isystem /usr/include/KF5/KNewStuff3/KNSCore -isystem /usr/include/KF5/Attic
a -isystem /usr/include/KF5/KDBusAddons -isystem /usr/include/KF5/KGuiAddons -isystem /usr/include/KF5/KNotifications -isystem /usr/include/KF5/KTextWidgets -isystem /usr/include/KF5/SonnetUi -isystem /usr/include/KF5/KI18n -isystem /usr/include/KF5/KDeclarative -is
ystem /usr/include/qt5/QtQml -isystem /usr/include/KF5/KPackage -isystem /usr/include/KF5/KIconThemes -isystem /usr/include/qt5/QtSvg -isystem /usr/include/qt5/QtQuick -isystem /usr/include/qt5/QtQmlModels -isystem /usr/include/qt5/QtQuickWidgets -isystem /usr/inclu
de/qt5/QtMultimedia  -DQT_NO_DEBUG -DNDEBUG -O2 -pipe -fno-operator-names -fno-exceptions -Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat-security -Wno-long-long -Wpointer-arith -Wundef -Wnon-virtual-dtor -Woverloaded-virtual -Werror=return-type -Wvla -Wdate-t
ime -Wsuggest-override -Wlogical-op -fdiagnostics-color=always -fPIC -Wno-suggest-override -fvisibility=hidden -fvisibility-inlines-hidden     -Wall -pedantic -Wextra -Wcast-qual -Wcast-align -Wfloat-equal -Wpointer-arith -Wunreachable-code -Wchar-subscripts -Wcomme
nt -Wformat -Werror-implicit-function-declaration -Wmain -Wmissing-braces -Wparentheses -Wsequence-point -Wreturn-type -Wswitch -Wuninitialized -Wreorder -Wundef -Wshadow -Wwrite-strings -Wmissing-noreturn -Wsign-compare -Wsign-conversion -Wunused -Wstrict-aliasing 
-Wconversion -Wdisabled-optimization -Wno-undef -Wunused-parameter -Wshadow -Wno-variadic-macros -Wno-float-conversion -fPIC -std=gnu++14 -MD -MT src/CMakeFiles/kdenliveLib.dir/assets/keyframes/model/rotoscoping/rotohelper.cpp.o -MF src/CMakeFiles/kdenliveLib.dir/as
sets/keyframes/model/rotoscoping/rotohelper.cpp.o.d -o src/CMakeFiles/kdenliveLib.dir/assets/keyframes/model/rotoscoping/rotohelper.cpp.o -c /var/tmp/portage/kde-apps/kdenlive-19.08.3/work/kdenlive-19.08.3/src/assets/keyframes/model/rotoscoping/rotohelper.cpp       
cc1plus: warning: ‘-Werror=’ argument ‘-Werror=implicit-function-declaration’ is not valid for C++

This seems to be new with GCC 9.2

Reproducible: Always

Comment 1 Jonas Stein gentoo-dev

2020-01-13 18:43:24 UTC

Is there an upstream ticket?

Comment 2 m.manico 2020-01-13 19:09:27 UTC

Short answer: No

---

According to
https://kdenlive.org/en/bug-reports/

their bugtracker is located here (note the search filter):
https://bugs.kde.org/buglist.cgi?bug_status=__open__&list_id=1248416&order=Importance&product=kdenlive

After searching closed tickets as well I found related (but not relevant) bug from 2019-11-05 against kdenlive 19.11.70
https://bugs.kde.org/show_bug.cgi?id=413416

Comment 3 Andreas Sturmlechner gentoo-dev

2020-01-18 19:17:59 UTC

All good then.