https://bugs.kde.org/show_bug.cgi?id=413416
Bug ID: 413416
Summary: Build failure with gcc 9
Product: kdenlive
Version: git-master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Installation
Assignee: vpi...@kde.org
Reporter: lbeltr...@kde.org
Target Milestone: ---
SUMMARY
When trying to build kdenlive git master on openSUSE Tumbleweed, with GCC 9,
compilation fails with this error:
[ 120s] cd
"/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/build/thumbnailer"
&& /usr/bin/c++ -DKCOREADDONS_LIB -DQT_CONCURRENT_LIB -DQT_CORE_LIB
-DQT_DBUS_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB -DQT_NO_CAST_TO_ASCII -DQT_NO_DEBUG
-DQT_NO_URL_CAST_FROM_STRING -DQT_WIDGETS_LIB -DTRANSLATION_DOMAIN=\"kdenlive\"
-D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -Dmltpreview_EXPORTS
-I"/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/build/thumbnailer"
-I"/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/thumbnailer"
-I"/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/build/thumbnailer/mltpreview_autogen/include"
-I/usr/include/mlt -isystem /usr/include/qt5 -isystem /usr/include/qt5/QtCore
-isystem /usr/lib/qt5/mkspecs/linux-g++ -isystem /usr/include/qt5/QtGui
-isystem /usr/include/KF5/KIOCore -isystem /usr/include/KF5 -isystem
/usr/include/KF5/KCoreAddons -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/KIOWidgets -isystem /usr/include/KF5/KJobWidgets -isystem
/usr/include/qt5/QtWidgets -isystem /usr/include/KF5/KCompletion -isystem
/usr/include/KF5/KWidgetsAddons -fomit-frame-pointer -O2 -Wall
-D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables
-fasynchronous-unwind-tables -fstack-clash-protection -Werror=return-type
-flto=auto -g -DNDEBUG -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-time -Wsuggest-override -Wlogical-op -fPIC -Wno-suggest-override -fPIC
-fvisibility=hidden -fvisibility-inlines-hidden -fPIC -std=gnu++11 -o
CMakeFiles/mltpreview.dir/mltpreview.cpp.o -c
"/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/thumbnailer/mltpreview.cpp"
[ 120s]
/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/src/lib/external/media_ctrl/mediactrl.c:
In function 'find_first_device':
[ 120s]
/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/src/lib/external/media_ctrl/mediactrl.c:355:5:
error: 'for' loop initial declarations are only allowed in C99 or C11 mode
[ 120s] 355 | for (int i = 0; i < 32; i++) {
[ 120s] | ^~~
[ 120s]
/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/src/lib/external/media_ctrl/mediactrl.c:355:5:
note: use option '-std=c99', '-std=gnu99', '-std=c11' or '-std=gnu11' to
compile your code
[ 120s] make[2]: ***
[src/lib/external/media_ctrl/CMakeFiles/media_ctrl.dir/build.make:76:
src/lib/external/media_ctrl/CMakeFiles/media_ctrl.dir/mediactrl.c.o] Error 1
[ 120s] make[2]: Leaving directory
'/home/abuild/rpmbuild/BUILD/kdenlive-19.11.70git.20191024T115227~628d47842/build'
[ 120s] make[1]: *** [CMakeFiles/Makefile2:752:
src/lib/external/media_ctrl/CMakeFiles/media_ctrl.dir/all] Error 2
I can't track which recent commit might have broken it, though.
STEPS TO REPRODUCE
1. Build the latest kdenlive git master
SOFTWARE/OS VERSIONS
gcc --version
gcc (SUSE Linux) 9.2.1 20190903 [gcc-9-branch revision 275330]
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
All the KF5 stack is built from its latest git master state.
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