lxqt-panel: fails to build

[zetok]

Issue description

lxqt-panel fails to build

Steps to reproduce

1. services.xserver.desktopManager.lxqt.enable = true;
2. # nixos-rebuild switch

Technical details

• System: NixOS: 17.09pre104379.6e0b727 (Hummingbird)
• Nix version: nix-env (Nix) 1.11.8
• Nixpkgs version: "17.09pre104379.6e0b727"

output of nixos-rebuild switch --upgrade

downloading Nix expressions from ‘https://d3g5gsiof5omrk.cloudfront.net/nixos/unstable/nixos-17.09pre104379.6e0b727/nixexprs.tar.xz’...
unpacking channels...
building Nix...
building the system configuration...
these derivations will be built:
  /nix/store/b4syr8dhp0mnbgb9ycifxzkrqkb0y748-lxqt-panel-0.11.1.drv
  /nix/store/b1ggipzjvld15fik9jws31x9d8gl7h8h-system-path.drv
  /nix/store/sfxi6659zihbcp303hj9d9imd7yqzf4n-dbus-1.drv
  /nix/store/77ai7awyln4a9v5z1gb6dahz28pclvlw-unit-dbus.service.drv
  /nix/store/idw153z9nk36kd4xwpq06qv1xdhhaz0z-unit-polkit.service.drv
  /nix/store/87776ddvlm4z50dhg5zi500spcppzvp3-system-units.drv
  /nix/store/ypl6523cbxq9r65y7jrwckga2s9jddzk-user-units.drv
  /nix/store/2qx9nkg9mj19n8sdivcpzzpivxp5vk11-etc.drv
  /nix/store/yyll8av4ayr6dms334nvwgdp8hbz6pzr-nixos-system-nixos-17.09pre104379.6e0b727.drv
building path(s) ‘/nix/store/1psbk8zmra12rgccyrh7lkacy61smm7m-lxqt-panel-0.11.1’
unpacking sources
unpacking source archive /nix/store/0aki3an3byj6b8slk67nrjh9c8ga9y72-lxqt-panel-0.11.1-src
source root is lxqt-panel-0.11.1-src
patching sources
============================
./plugin-networkmonitor/CMakeLists.txt
============================
./CMakeLists.txt
============================
./plugin-tray/CMakeLists.txt
============================
./plugin-spacer/CMakeLists.txt
============================
./plugin-dom/CMakeLists.txt
============================
./plugin-mainmenu/CMakeLists.txt
============================
./plugin-showdesktop/CMakeLists.txt
============================
./plugin-directorymenu/CMakeLists.txt
============================
./plugin-taskbar/CMakeLists.txt
============================
./plugin-colorpicker/CMakeLists.txt
============================
./plugin-volume/CMakeLists.txt
============================
./plugin-mount/CMakeLists.txt
============================
./panel/CMakeLists.txt
install(TARGETS ${PROJECT} RUNTIME �[01;31m�[KDESTINATION�[m�[K bin)
install(FILES ${CONFIG_FILES} �[01;31m�[KDESTINATION�[m�[K etc/xdg/lxqt)
install(FILES ${PUB_HEADERS} �[01;31m�[KDESTINATION�[m�[K include/lxqt)
    �[01;31m�[KDESTINATION�[m�[K "${CMAKE_INSTALL_MANDIR}/man1"
        "�[01;31m�[Kshare/lxqt/translations�[m�[K/${PROJECT_NAME}"
============================
./plugin-worldclock/CMakeLists.txt
============================
./plugin-cpuload/CMakeLists.txt
============================
./plugin-kbindicator/CMakeLists.txt
============================
./plugin-statusnotifier/CMakeLists.txt
============================
./plugin-clock/CMakeLists.txt
============================
./plugin-sysstat/CMakeLists.txt
============================
./plugin-quicklaunch/CMakeLists.txt
============================
./plugin-sensors/CMakeLists.txt
============================
./plugin-desktopswitch/CMakeLists.txt
--------------------------------------------------------
configuring
qmake: File exists
fixing cmake files...
cmake flags: -DCMAKE_BUILD_TYPE=Release -DCMAKE_SKIP_BUILD_RPATH=ON -DCMAKE_INSTALL_INCLUDEDIR=/nix/store/1psbk8zmra12rgccyrh7lkacy61smm7m-lxqt-panel-0.11.1/include -DCMAKE_INSTALL_LIBDIR=/nix/store/1psbk8zmra12rgccyrh7lkacy61smm7m-lxqt-panel-0.11.1/lib -DCMAKE_INSTALL_NAME_DIR=/nix/store/1psbk8zmra12rgccyrh7lkacy61smm7m-lxqt-panel-0.11.1/lib -DCMAKE_INSTALL_PREFIX=/nix/store/1psbk8zmra12rgccyrh7lkacy61smm7m-lxqt-panel-0.11.1 -DPULL_TRANSLATIONS=NO 
-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is GNU 5.4.0
-- Check for working C compiler: /nix/store/8vab3010isx82y174c23k0hs270h9fwx-gcc-wrapper-5.4.0/bin/gcc
-- Check for working C compiler: /nix/store/8vab3010isx82y174c23k0hs270h9fwx-gcc-wrapper-5.4.0/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /nix/store/8vab3010isx82y174c23k0hs270h9fwx-gcc-wrapper-5.4.0/bin/g++
-- Check for working CXX compiler: /nix/store/8vab3010isx82y174c23k0hs270h9fwx-gcc-wrapper-5.4.0/bin/g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test COMPILER_SUPPORTS_CXX11
-- Performing Test COMPILER_SUPPORTS_CXX11 - Success
-- Performing Test COMPILER_SUPPORTS_CXX0X
-- Performing Test COMPILER_SUPPORTS_CXX0X - Success
-- Panel plugins location: /nix/store/1psbk8zmra12rgccyrh7lkacy61smm7m-lxqt-panel-0.11.1/lib/lxqt-panel
-- Found PkgConfig: /nix/store/hclwj7mjcaxj2y69hq2xivkkd049vyhf-pkg-config-0.29/bin/pkg-config (found version "0.29") 
-- Found XCB: /nix/store/np8m4z2124zx2ghfyamw8rb4xppqnk3a-libxcb-1.12/lib/libxcb.so;/nix/store/0v9ys2byny8zvpldlqxr9x5r8slg507l-libxkbcommon-0.7.1/lib/libxkbcommon-x11.so;/nix/store/0v9ys2byny8zvpldlqxr9x5r8slg507l-libxkbcommon-0.7.1/lib/libxkbcommon.so;/nix/store/np8m4z2124zx2ghfyamw8rb4xppqnk3a-libxcb-1.12/lib/libxcb.so;/nix/store/np8m4z2124zx2ghfyamw8rb4xppqnk3a-libxcb-1.12/lib/libxcb-xkb.so  
-- Found MenuCache: /nix/store/3rkiiy85pmxabricsbs7bzq9g6hg0ypk-menu-cache-1.0.2/lib/libmenu-cache.so;/nix/store/qfn819f294rnhaf8whk44nb8902qrixv-glib-2.50.3/lib/libglib-2.0.so (found suitable version "1.0.2", minimum required is "0.3.3") 
-- Found XCB: /nix/store/np8m4z2124zx2ghfyamw8rb4xppqnk3a-libxcb-1.12/lib/libxcb.so;/nix/store/np8m4z2124zx2ghfyamw8rb4xppqnk3a-libxcb-1.12/lib/libxcb.so;/nix/store/hbgc94wskyp8zrx2sq3bfdyvz1gnv66r-xcb-util-0.4.0/lib/libxcb-util.so;/nix/store/np8m4z2124zx2ghfyamw8rb4xppqnk3a-libxcb-1.12/lib/libxcb-damage.so  
-- Looking for XOpenDisplay in /nix/store/cbgg39x5jh09nkda1hrnsrgb3b4pm1gd-libX11-1.6.5/lib/libX11.so;/nix/store/fivc5cr5qsbb5c0ddh6jsl1slq48dad3-libXext-1.3.3/lib/libXext.so
-- Looking for XOpenDisplay in /nix/store/cbgg39x5jh09nkda1hrnsrgb3b4pm1gd-libX11-1.6.5/lib/libX11.so;/nix/store/fivc5cr5qsbb5c0ddh6jsl1slq48dad3-libXext-1.3.3/lib/libXext.so - found
-- Looking for gethostbyname
-- Looking for gethostbyname - found
-- Looking for connect
-- Looking for connect - found
-- Looking for remove
-- Looking for remove - found
-- Looking for shmat
-- Looking for shmat - found
-- Found X11: /nix/store/cbgg39x5jh09nkda1hrnsrgb3b4pm1gd-libX11-1.6.5/lib/libX11.so
-- Checking for module 'xcomposite'
--   Found xcomposite, version 0.4.4
-- Checking for module 'xdamage'
--   Found xdamage, version 1.1.4
-- Checking for module 'xrender'
--   Found xrender, version 0.9.10
-- Found ALSA: /nix/store/x9wjsmd8vn4f43gqxhwmydn3c08vzq1y-alsa-lib-1.1.2/lib/libasound.so (found version "1.1.2") 
-- 
-- Volume plugin will be built
--     ALSA: TRUE
--     PulseAudio: TRUE
-- 
-- **************** The following plugins will be built ****************
--   Clock
--   Color Picker
--   Cpu Load
--   Directory menu
--   Desktop Switcher
--   Keyboard Indicator
--   Application menu
--   Mount
--   Quicklaunch
--   Sensors
--   Show Desktop
--   Network Monitor
--   System Stats
--   Taskbar
--   Status Notifier
--   System Tray
--   Volume
--   World Clock
--   Spacer
-- *********************************************************************
-- Building with conversion of deprecated 'screensaver' plugin
-- Configuring done
-- Generating done
-- Build files have been written to: /tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/build
building
make flags: SHELL=/nix/store/fibk8jc2iwswn1q1d7aw98pcw2l3lzjf-bash-4.4-p12/bin/bash    
Scanning dependencies of target clock_automoc
[  0%] Automatic moc, uic and rcc for target clock
Generating moc source clock_automoc.dir/moc_calendarpopup_3DR3ULR6OISNY4.cpp
Generating moc source clock_automoc.dir/moc_lxqtclock_UZBJLBJ6GBUEL3.cpp
Generating moc source clock_automoc.dir/moc_lxqtclockconfi_3HV5CO34NBIS26.cpp
Generating moc compilation clock_automoc.cpp
Generating ui header ui_lxqtclockconfiguration.h
[  0%] Built target clock_automoc
[  0%] Generating clock.desktop
Scanning dependencies of target clock
[  0%] Building CXX object plugin-clock/CMakeFiles/clock.dir/lxqtclock.cpp.o
[  1%] Building CXX object plugin-clock/CMakeFiles/clock.dir/lxqtclockconfiguration.cpp.o
[  1%] Building CXX object plugin-clock/CMakeFiles/clock.dir/calendarpopup.cpp.o
[  2%] Building CXX object plugin-clock/CMakeFiles/clock.dir/LXQtPluginTranslationLoader.cpp.o
[  2%] Building CXX object plugin-clock/CMakeFiles/clock.dir/clock_automoc.cpp.o
[  3%] Linking CXX static library libclock.a
[  3%] Built target clock
Scanning dependencies of target colorpicker_automoc
[  3%] Automatic moc, uic and rcc for target colorpicker
Generating moc source colorpicker_automoc.dir/moc_colorpicker_FJH3CYQJCDAZBB.cpp
Generating moc compilation colorpicker_automoc.cpp
[  3%] Built target colorpicker_automoc
[  4%] Generating colorpicker.desktop
Scanning dependencies of target colorpicker
[  4%] Building CXX object plugin-colorpicker/CMakeFiles/colorpicker.dir/colorpicker.cpp.o
[  5%] Building CXX object plugin-colorpicker/CMakeFiles/colorpicker.dir/LXQtPluginTranslationLoader.cpp.o
[  5%] Building CXX object plugin-colorpicker/CMakeFiles/colorpicker.dir/colorpicker_automoc.cpp.o
[  6%] Linking CXX shared module libcolorpicker.so
[  6%] Built target colorpicker
Scanning dependencies of target cpuload_automoc
[  6%] Automatic moc, uic and rcc for target cpuload
Generating moc source cpuload_automoc.dir/moc_lxqtcpuload_4ZC5LLTEFQRPMX.cpp
Generating moc source cpuload_automoc.dir/moc_lxqtcpuloadcon_6KGHD5PA5V5QI7.cpp
Generating moc source cpuload_automoc.dir/moc_lxqtcpuloadplu_NFMUO7YIQUTVWJ.cpp
Generating moc compilation cpuload_automoc.cpp
Generating ui header ui_lxqtcpuloadconfiguration.h
[  6%] Built target cpuload_automoc
[  7%] Generating cpuload.desktop
Scanning dependencies of target cpuload
[  7%] Building CXX object plugin-cpuload/CMakeFiles/cpuload.dir/lxqtcpuloadplugin.cpp.o
[  8%] Building CXX object plugin-cpuload/CMakeFiles/cpuload.dir/lxqtcpuload.cpp.o
[  8%] Building CXX object plugin-cpuload/CMakeFiles/cpuload.dir/lxqtcpuloadconfiguration.cpp.o
[  9%] Building CXX object plugin-cpuload/CMakeFiles/cpuload.dir/LXQtPluginTranslationLoader.cpp.o
[  9%] Building CXX object plugin-cpuload/CMakeFiles/cpuload.dir/cpuload_automoc.cpp.o
[ 10%] Linking CXX shared module libcpuload.so
[ 10%] Built target cpuload
Scanning dependencies of target directorymenu_automoc
[ 11%] Automatic moc, uic and rcc for target directorymenu
Generating moc source directorymenu_automoc.dir/moc_directorymenu_FQO24Z5HZHIMEQ.cpp
Generating moc source directorymenu_automoc.dir/moc_directorymenuc_FIS77ZPZT5OD3B.cpp
Generating moc compilation directorymenu_automoc.cpp
Generating ui header ui_directorymenuconfiguration.h
[ 11%] Built target directorymenu_automoc
[ 12%] Generating directorymenu.desktop
Scanning dependencies of target directorymenu
[ 12%] Building CXX object plugin-directorymenu/CMakeFiles/directorymenu.dir/directorymenu.cpp.o
[ 13%] Building CXX object plugin-directorymenu/CMakeFiles/directorymenu.dir/directorymenuconfiguration.cpp.o
[ 13%] Building CXX object plugin-directorymenu/CMakeFiles/directorymenu.dir/LXQtPluginTranslationLoader.cpp.o
[ 14%] Building CXX object plugin-directorymenu/CMakeFiles/directorymenu.dir/directorymenu_automoc.cpp.o
[ 14%] Linking CXX shared module libdirectorymenu.so
[ 14%] Built target directorymenu
Scanning dependencies of target desktopswitch_automoc
[ 14%] Automatic moc, uic and rcc for target desktopswitch
Generating moc source desktopswitch_automoc.dir/moc_desktopswitch_Q5XOIO47FQMTRJ.cpp
Generating moc source desktopswitch_automoc.dir/moc_desktopswitchb_U2Z5JY4MEVNZUS.cpp
Generating moc source desktopswitch_automoc.dir/moc_desktopswitchc_QF7LZPG3GZ5OEU.cpp
Generating moc compilation desktopswitch_automoc.cpp
Generating ui header ui_desktopswitchconfiguration.h
[ 14%] Built target desktopswitch_automoc
[ 15%] Generating desktopswitch.desktop
Scanning dependencies of target desktopswitch
[ 15%] Building CXX object plugin-desktopswitch/CMakeFiles/desktopswitch.dir/desktopswitch.cpp.o
[ 16%] Building CXX object plugin-desktopswitch/CMakeFiles/desktopswitch.dir/desktopswitchbutton.cpp.o
[ 16%] Building CXX object plugin-desktopswitch/CMakeFiles/desktopswitch.dir/desktopswitchconfiguration.cpp.o
[ 17%] Building CXX object plugin-desktopswitch/CMakeFiles/desktopswitch.dir/LXQtPluginTranslationLoader.cpp.o
[ 17%] Building CXX object plugin-desktopswitch/CMakeFiles/desktopswitch.dir/desktopswitch_automoc.cpp.o
[ 18%] Linking CXX static library libdesktopswitch.a
[ 18%] Built target desktopswitch
Scanning dependencies of target kbindicator_automoc
[ 18%] Automatic moc, uic and rcc for target kbindicator
Generating moc source kbindicator-plugin.moc
Generating moc source kbindicator_automoc.dir/moc_content_BTMWHNIG5C3MTL.cpp
Generating moc source kbindicator_automoc.dir/moc_kbdkeeper_4LDRVWERD5YWAY.cpp
Generating moc source kbindicator_automoc.dir/moc_kbdstate_ERPWKML7QNVDFT.cpp
Generating moc source kbindicator_automoc.dir/moc_kbdstateconfig_IFRE4XNRAZ7ODM.cpp
Generating moc source kbindicator_automoc.dir/moc_kbdwatcher_ZMVEPFGFTRFDEO.cpp
Generating moc source kbindicator_automoc.dir/moc_kbdlayout_CZD2SGPJRBREU5.cpp
Generating moc compilation kbindicator_automoc.cpp
Generating ui header ui_kbdstateconfig.h
[ 18%] Built target kbindicator_automoc
[ 18%] Generating kbindicator.desktop
Scanning dependencies of target kbindicator
[ 19%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/kbindicator-plugin.cpp.o
[ 19%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/src/kbdstate.cpp.o
[ 20%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/src/settings.cpp.o
[ 20%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/src/content.cpp.o
[ 21%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/src/kbdkeeper.cpp.o
[ 21%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/src/kbdwatcher.cpp.o
[ 22%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/src/kbdstateconfig.cpp.o
[ 22%] Building CXX object plugin-kbindicator/CMakeFiles/kbindicator.dir/src/x11/kbdlayout.cpp.o
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
In file included from /nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qevent.h:56:0,
                 from /nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/QList:1,
                 from /tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/../kbdinfo.h:31,
                 from /tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:38:
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:138:25: error: prototype for 'constexpr QVector2D::QVector2D(const QPoint&)' does not match any in class 'QVector2D'
 Q_DECL_CONSTEXPR inline QVector2D::QVector2D(const QPoint& point) : xp(point.x()), yp(point.y()) {}
                         ^
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:56:20: error: candidates are: constexpr QVector2D::QVector2D(QVector2D&&)
 class Q_GUI_EXPORT QVector2D
                    ^
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:56:20: error:                 constexpr QVector2D::QVector2D(const QVector2D&)
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:136:25: error:                 constexpr QVector2D::QVector2D(float, float)
 Q_DECL_CONSTEXPR inline QVector2D::QVector2D(float xpos, float ypos) : xp(xpos), yp(ypos) {}
                         ^
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:134:25: error:                 constexpr QVector2D::QVector2D()
 Q_DECL_CONSTEXPR inline QVector2D::QVector2D() : xp(0.0f), yp(0.0f) {}
                         ^
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:140:25: error: prototype for 'constexpr QVector2D::QVector2D(const QPointF&)' does not match any in class 'QVector2D'
 Q_DECL_CONSTEXPR inline QVector2D::QVector2D(const QPointF& point) : xp(point.x()), yp(point.y()) {}
                         ^
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:56:20: error: candidates are: constexpr QVector2D::QVector2D(QVector2D&&)
 class Q_GUI_EXPORT QVector2D
                    ^
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:56:20: error:                 constexpr QVector2D::QVector2D(const QVector2D&)
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:136:25: error:                 constexpr QVector2D::QVector2D(float, float)
 Q_DECL_CONSTEXPR inline QVector2D::QVector2D(float xpos, float ypos) : xp(xpos), yp(ypos) {}
                         ^
/nix/store/fjzryhhq6x22h29sayh1b2caz3dk4is3-qtbase-5.8.0-dev/include/QtGui/qvector2d.h:134:25: error:                 constexpr QVector2D::QVector2D()
 Q_DECL_CONSTEXPR inline QVector2D::QVector2D() : xp(0.0f), yp(0.0f) {}
                         ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
/tmp/nix-build-lxqt-panel-0.11.1.drv-0/lxqt-panel-0.11.1-src/plugin-kbindicator/src/x11/kbdlayout.cpp:36:18: error: '_explicit' does not name a type
 #define explicit _explicit
                  ^
make[2]: *** [plugin-kbindicator/CMakeFiles/kbindicator.dir/build.make:236: plugin-kbindicator/CMakeFiles/kbindicator.dir/src/x11/kbdlayout.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:527: plugin-kbindicator/CMakeFiles/kbindicator.dir/all] Error 2
make: *** [Makefile:128: all] Error 2
builder for ‘/nix/store/b4syr8dhp0mnbgb9ycifxzkrqkb0y748-lxqt-panel-0.11.1.drv’ failed with exit code 2
cannot build derivation ‘/nix/store/b1ggipzjvld15fik9jws31x9d8gl7h8h-system-path.drv’: 1 dependencies couldn't be built
cannot build derivation ‘/nix/store/yyll8av4ayr6dms334nvwgdp8hbz6pzr-nixos-system-nixos-17.09pre104379.6e0b727.drv’: 1 dependencies couldn't be built
error: build of ‘/nix/store/yyll8av4ayr6dms334nvwgdp8hbz6pzr-nixos-system-nixos-17.09pre104379.6e0b727.drv’ failed