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[package] qt/5.15.4: Qt not building QXcbIntegrationSupport when cross building

See original GitHub issue

Description

I’m building qt statically. it works fine when building natively for x64. But when cross build for linux arm64, it’s not building xcb related plugins. so although qt compiles successfully, my program fails at linking.

[100%] Linking CXX executable ../../bin/cross-platform-tester
/home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/../lib/gcc/aarch64-linux-gnu/7.5.0/../../../../aarch64-linux-gnu/bin/ld: cannot find -lqxcb
/home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/../lib/gcc/aarch64-linux-gnu/7.5.0/../../../../aarch64-linux-gnu/bin/ld: cannot find -lQt5XcbQpa
/home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/../lib/gcc/aarch64-linux-gnu/7.5.0/../../../../aarch64-linux-gnu/bin/ld: cannot find -lQt5XkbCommonSupport

I check qt package dir, those libs are not there ( they exist when build natively ). I did some digging, the Configure summary varies beteen native build and cross build. See logs. I noticed that when cross building, xkbcommon is set to no. Maybe its the reason why those plugins aren’t being built. But why xcbcommon isnt detected? Its a conan require, and is already built successfully.

Package and Environment Details

  • Package Name/Version: qt/5.15.4
  • Operating System+version: Linux Ubuntu 16.04
  • Compiler+version: aarch64-linux-gnu-gcc 7.5
  • Docker image: zvicii/gcc7-arm64-ubuntu16.04-jenkins(based on conanio/gcc7-ubuntu16.04-jenkins )
  • Conan version: conan 1.53.0
  • Python version: Python 3.7.13

Conan profile

Configuration (profile_host): [settings] arch=armv8 arch_build=x86_64 build_type=Release compiler=gcc compiler.cppstd=14 compiler.libcxx=libstdc++11 compiler.version=7 os=Linux os_build=Linux [options] [build_requires] [env] AR=aarch64-linux-gnu-ar AS=aarch64-linux-gnu-as CC=aarch64-linux-gnu-gcc CFLAGS=-fvisibility=hidden -fvisibility-inlines-hidden CMAKE_CXX_COMPILER=aarch64-linux-gnu-g++ CMAKE_C_COMPILER=aarch64-linux-gnu-gcc CXX=aarch64-linux-gnu-g++ CXXFLAGS=-fvisibility=hidden -fvisibility-inlines-hidden FC=aarch64-linux-gnu-gfortran LD=aarch64-linux-gnu-ld RANLIB=aarch64-linux-gnu-ranlib STRIP=aarch64-linux-gnu-strip Configuration (profile_build): [settings] arch=x86_64 build_type=Release compiler=gcc compiler.cppstd=14 compiler.libcxx=libstdc++11 compiler.version=7 os=Linux [options] [build_requires] [env] AR=ar AS=as CC=gcc CFLAGS=-fvisibility=hidden -fvisibility-inlines-hidden CMAKE_CXX_COMPILER=g++ CMAKE_C_COMPILER=gcc CXX=g++ CXXFLAGS=-fvisibility=hidden -fvisibility-inlines-hidden FC=gfortran LD=ld RANLIB=ranlib STRIP=strip

Steps to reproduce

conan install -r conancenter qt/5.15.4@ --build=missing --build=qt -pr:b=profile_build -pr:h=profile_host

need x11(arm64) and some other packages installed in toolchain dir. below is my dockerfile

Click to expand dockerfile 
FROM conanio/gcc7-ubuntu16.04-jenkins

LABEL maintainer="zvicii@qq.com"

ENV CC=aarch64-linux-gnu-gcc \
    CXX=aarch64-linux-gnu-g++ \
    CMAKE_C_COMPILER=aarch64-linux-gnu-gcc \
    CMAKE_CXX_COMPILER=aarch64-linux-gnu-g++ \
    STRIP=aarch64-linux-gnu-strip \
    RANLIB=aarch64-linux-gnu-ranlib \
    AS=aarch64-linux-gnu-as \
    AR=aarch64-linux-gnu-ar \
    LD=aarch64-linux-gnu-ld \
    FC=aarch64-linux-gnu-gfortran
COPY sources.list /etc/apt/sources.list
RUN mkdir ~/aarch64-linux-gnu ~/workspace
RUN sudo wget -c https://releases.linaro.org/components/toolchain/binaries/7.5-2019.12/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.tar.xz -O ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.tar.xz
RUN sudo tar -xf ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu.tar.xz -C ~/aarch64-linux-gnu
RUN sudo wget -c https://releases.linaro.org/components/toolchain/binaries/6.5-2018.12/aarch64-linux-gnu/gcc-linaro-6.5.0-2018.12-x86_64_aarch64-linux-gnu.tar.xz -O ~/aarch64-linux-gnu/gcc-linaro-6.5.0-2018.12-x86_64_aarch64-linux-gnu.tar.xz
RUN sudo tar -xf ~/aarch64-linux-gnu/gcc-linaro-6.5.0-2018.12-x86_64_aarch64-linux-gnu.tar.xz -C ~/aarch64-linux-gnu
RUN sudo rm -rf /home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/libc
RUN sudo cp -r /home/conan/aarch64-linux-gnu/gcc-linaro-6.5.0-2018.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/libc /home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu
RUN sudo rm -rf /home/conan/aarch64-linux-gnu/gcc-linaro-6.5.0-2018.12-x86_64_aarch64-linux-gnu
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-gcc aarch64-linux-gnu-gcc ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-gcc 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-g++ aarch64-linux-gnu-g++ ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-g++ 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-gcov aarch64-linux-gnu-gcov ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-gcov 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-gcov-dump aarch64-linux-gnu-gcov-dump ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-gcov-dump 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-gcov-tool aarch64-linux-gnu-gcov-tool ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-gcov-tool 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-ar aarch64-linux-gnu-ar ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-ar 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-as aarch64-linux-gnu-as ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-as 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-ld aarch64-linux-gnu-ld ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-ld 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-ranlib aarch64-linux-gnu-ranlib ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-ranlib 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-gfortran aarch64-linux-gnu-gfortran ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-gfortran 100
RUN sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-strip aarch64-linux-gnu-strip ~/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-strip 100
RUN conan profile new default --detect --force
RUN sudo pip3 install --upgrade cmake
RUN sudo apt-get -q update
RUN sudo curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash -
RUN sudo apt-get -q -y install nodejs openssh-client
RUN sudo npm install @yxfe/nepublisher -g --registry=http://npm.netease.im/
RUN conan remote add NetEaseConan http://yunxin-conan.netease.im:8082/artifactory/api/conan/NetEaseConan
# setup cross build env
RUN sudo apt-get -q -y libgl1-mesa-dev libx11-dev libx11-xcb-dev libfontenc-dev libice-dev libsm-dev libxau-dev libxaw7-dev libxcomposite-dev libxcursor-dev libxdamage-dev libxdmcp-dev libxext-dev libxfixes-dev libxi-dev libxinerama-dev libxkbfile-dev libxmu-dev libxmuu-dev libxpm-dev libxrandr-dev libxrender-dev libxres-dev libxss-dev libxt-dev libxtst-dev libxv-dev libxvmc-dev libxxf86vm-dev xtrans-dev libxcb-render0-dev libxcb-render-util0-dev libxcb-xkb-dev libxcb-icccm4-dev libxcb-image0-dev libxcb-keysyms1-dev libxcb-randr0-dev libxcb-shape0-dev libxcb-sync-dev libxcb-xfixes0-dev libxcb-xinerama0-dev xkb-data libxcb-dri3-dev uuid-dev libxcb-util-dev
RUN sudo apt-get -q -y install libxau6:arm64 freetds-dev:arm64 libxcb1-dev:arm64 libbsd0:arm64 libx11-xcb-dev:arm64 libxcb-shm0-dev libgl1-mesa-dev:arm64 libx11-dev:arm64 libfontenc-dev:arm64 libice-dev:arm64 libsm-dev:arm64 libxau-dev:arm64 libxaw7-dev:arm64 libxcomposite-dev:arm64 libxcursor-dev:arm64 libxdamage-dev:arm64 libxdmcp-dev:arm64 libxext-dev:arm64 libxfixes-dev:arm64 libxi-dev:arm64 libxinerama-dev:arm64 libxkbfile-dev:arm64 libxmu-dev:arm64 libxmuu-dev:arm64 libxpm-dev:arm64 libxrandr-dev:arm64 libxrender-dev:arm64 libxres-dev:arm64 libxss-dev:arm64 libxt-dev:arm64 libxtst-dev:arm64 libxv-dev:arm64 libxvmc-dev:arm64 libxxf86vm-dev:arm64 libxcb-render0-dev:arm64 libxcb-render-util0-dev:arm64 libxcb-xkb-dev:arm64 libxcb-icccm4-dev:arm64 libxcb-image0-dev:arm64 libxcb-keysyms1-dev:arm64 libxcb-randr0-dev:arm64 libxcb-shape0-dev:arm64 libxcb-sync-dev:arm64 libxcb-xfixes0-dev:arm64 libxcb-xinerama0-dev:arm64 libxcb-dri3-dev:arm64 uuid-dev:arm64 libxcb-util-dev:arm64
# todo zlib1g:arm64 libexpat1:arm64 libkeyutils1:arm64 
# copy installed arm64 packages to toolchain folder for them to be found.
# I'm not using sysroot cause some x86 lib may be linked. if you have a better approch, please let me know.
RUN sudo cp -r /lib/aarch64-linux-gnu /home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/libc/lib
RUN sudo cp -r /usr/lib/aarch64-linux-gnu /home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/libc/usr/lib
RUN sudo cp -r /lib/aarch64-linux-gnu/* /home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/libc/lib
RUN sudo cp -r /usr/lib/aarch64-linux-gnu/* /home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/libc/lib
RUN sudo cp -r /usr/include/* /home/conan/aarch64-linux-gnu/gcc-linaro-7.5.0-2019.12-x86_64_aarch64-linux-gnu/aarch64-linux-gnu/libc/usr/include

CMD sudo chown -R conan ~/workspace ~/.conan

Logs

Click to expand log(native build x64 -> x64) 
Configure summary:

Build type: linux-g++ (x86_64, CPU features: mmx sse sse2)
Compiler: gcc 7.5.0
Configuration: sse2 aesni sse3 ssse3 sse4_1 sse4_2 avx avx2 avx512f avx512bw avx512cd avx512dq avx512er avx512ifma avx512pf avx512vbmi avx512vl compile_examples enable_new_dtags f16c largefile precompile_header rdrnd shani silent x86SimdAlways release c++11 c++14 c++17 c++1z concurrent reduce_exports reduce_relocations static stl
Build options:
  Mode ................................... release
  Optimize release build for size ........ no
  Building shared libraries .............. no
  Using C standard ....................... C11
  Using C++ standard ..................... C++17
  Using ccache ........................... no
  Using new DTAGS ........................ yes
  Relocatable ............................ no
  Using precompiled headers .............. yes
  Using LTCG ............................. no
  Target compiler supports:
    SSE .................................. SSE2 SSE3 SSSE3 SSE4.1 SSE4.2
    AVX .................................. AVX AVX2
    AVX512 ............................... F ER CD PF DQ BW VL IFMA VBMI
    Other x86 ............................ AES F16C RDRAND SHA
    Intrinsics without -mXXX option ...... yes
  Build parts ............................ libs tools
Qt modules and options:
  Qt Concurrent .......................... yes
  Qt D-Bus ............................... no
  Qt D-Bus directly linked to libdbus .... no
  Qt Gui ................................. yes
  Qt Network ............................. yes
  Qt Sql ................................. yes
  Qt Testlib ............................. yes
  Qt Widgets ............................. yes
  Qt Xml ................................. yes
Support enabled for:
  Using pkg-config ....................... yes
  udev ................................... no
  Using system zlib ...................... yes
  Zstandard support ...................... no
Qt Core:
  DoubleConversion ....................... yes
    Using system DoubleConversion ........ yes
  GLib ................................... no
  iconv .................................. no
  ICU .................................... yes
  Built-in copy of the MIME database ..... yes
  Tracing backend ........................ <none>
  Logging backends:
    journald ............................. no
    syslog ............................... no
    slog2 ................................ no
  PCRE2 .................................. yes
    Using system PCRE2 ................... yes
Qt Network:
  getifaddrs() ........................... yes
  IPv6 ifname ............................ yes
  libproxy ............................... no
  Linux AF_NETLINK ....................... yes
  OpenSSL ................................ yes
    Qt directly linked to OpenSSL ........ yes
  OpenSSL 1.1 ............................ yes
  DTLS ................................... yes
  OCSP-stapling .......................... yes
  SCTP ................................... no
  Use system proxies ..................... yes
  GSSAPI ................................. no
Qt Gui:
  Accessibility .......................... yes
  FreeType ............................... yes
    Using system FreeType ................ yes
  HarfBuzz ............................... no
    Using system HarfBuzz ................ no
  Fontconfig ............................. yes
  Image formats:
    GIF .................................. yes
    ICO .................................. yes
    JPEG ................................. no
      Using system libjpeg ............... no
    PNG .................................. no
      Using system libpng ................ no
  Text formats:
    HtmlParser ........................... yes
    CssParser ............................ yes
    OdfWriter ............................ yes
    MarkdownReader ....................... yes
      Using system libmd4c ............... yes
    MarkdownWriter ....................... yes
  EGL .................................... no
  OpenVG ................................. no
  OpenGL:
    Desktop OpenGL ....................... yes
    OpenGL ES 2.0 ........................ no
    OpenGL ES 3.0 ........................ no
    OpenGL ES 3.1 ........................ no
    OpenGL ES 3.2 ........................ no
  Vulkan ................................. no
  Session Management ..................... yes
Features used by QPA backends:
  evdev .................................. yes
  libinput ............................... no
  INTEGRITY HID .......................... no
  mtdev .................................. no
  tslib .................................. no
  xkbcommon .............................. yes
  X11 specific:
    XLib ................................. yes
    XCB Xlib ............................. yes
    EGL on X11 ........................... no
    xkbcommon-x11 ........................ yes
QPA backends:
  DirectFB ............................... no
  EGLFS .................................. no
  LinuxFB ................................ yes
  VNC .................................... yes
  XCB:
    Using system-provided xcb-xinput ..... no
    Native painting (experimental) ....... no
    GL integrations:
      GLX Plugin ......................... yes
        XCB GLX .......................... yes
      EGL-X11 Plugin ..................... no
Qt Sql:
  SQL item models ........................ yes
Qt Widgets:
  GTK+ ................................... no
  Styles ................................. Fusion Windows
Qt PrintSupport:
  CUPS ................................... no
Qt Sql Drivers:
  DB2 (IBM) .............................. no
  InterBase .............................. no
  MySql .................................. no
  OCI (Oracle) ........................... no
  ODBC ................................... no
  PostgreSQL ............................. no
  SQLite2 ................................ no
  SQLite ................................. yes
    Using system provided SQLite ......... no
  TDS (Sybase) ........................... no
Qt Testlib:
  Tester for item models ................. yes
Click to expand log (cross build x64 -> arm64) 
Configure summary:

Building on: linux-g++ (x86_64, CPU features: mmx sse sse2)
Building for: linux-aarch64-gnu-g++ (arm64, CPU features: neon)
Target compiler: gcc 7.5.0
Configuration: cross_compile compile_examples enable_new_dtags largefile neon precompile_header silent release c++11 c++14 c++17 c++1z concurrent no-pkg-config reduce_exports static stl
Build options:
  Mode ................................... release
  Optimize release build for size ........ no
  Building shared libraries .............. no
  Using C standard ....................... C11
  Using C++ standard ..................... C++17
  Using ccache ........................... no
  Using new DTAGS ........................ yes
  Relocatable ............................ no
  Using precompiled headers .............. yes
  Using LTCG ............................. no
  Target compiler supports:
    NEON ................................. yes
  Build parts ............................ libs
Qt modules and options:
  Qt Concurrent .......................... yes
  Qt D-Bus ............................... no
  Qt D-Bus directly linked to libdbus .... no
  Qt Gui ................................. yes
  Qt Network ............................. yes
  Qt Sql ................................. yes
  Qt Testlib ............................. yes
  Qt Widgets ............................. yes
  Qt Xml ................................. yes
Support enabled for:
  Using pkg-config ....................... no
  udev ................................... no
  Using system zlib ...................... yes
  Zstandard support ...................... no
Qt Core:
  DoubleConversion ....................... yes
    Using system DoubleConversion ........ yes
  GLib ................................... no
  iconv .................................. no
  ICU .................................... yes
  Built-in copy of the MIME database ..... yes
  Tracing backend ........................ <none>
  Logging backends:
    journald ............................. no
    syslog ............................... no
    slog2 ................................ no
  PCRE2 .................................. yes
    Using system PCRE2 ................... yes
Qt Network:
  getifaddrs() ........................... yes
  IPv6 ifname ............................ yes
  libproxy ............................... no
  Linux AF_NETLINK ....................... yes
  OpenSSL ................................ yes
    Qt directly linked to OpenSSL ........ yes
  OpenSSL 1.1 ............................ yes
  DTLS ................................... yes
  OCSP-stapling .......................... yes
  SCTP ................................... no
  Use system proxies ..................... yes
  GSSAPI ................................. no
Qt Gui:
  Accessibility .......................... yes
  FreeType ............................... yes
    Using system FreeType ................ yes
  HarfBuzz ............................... no
    Using system HarfBuzz ................ no
  Fontconfig ............................. yes
  Image formats:
    GIF .................................. yes
    ICO .................................. yes
    JPEG ................................. no
      Using system libjpeg ............... no
    PNG .................................. no
      Using system libpng ................ no
  Text formats:
    HtmlParser ........................... yes
    CssParser ............................ yes
    OdfWriter ............................ yes
    MarkdownReader ....................... yes
      Using system libmd4c ............... yes
    MarkdownWriter ....................... yes
  EGL .................................... no
  OpenVG ................................. no
  OpenGL:
    Desktop OpenGL ....................... yes
    OpenGL ES 2.0 ........................ no
    OpenGL ES 3.0 ........................ no
    OpenGL ES 3.1 ........................ no
    OpenGL ES 3.2 ........................ no
  Vulkan ................................. no
  Session Management ..................... yes
Features used by QPA backends:
  evdev .................................. yes
  libinput ............................... no
  INTEGRITY HID .......................... no
  mtdev .................................. no
  tslib .................................. no
  xkbcommon .............................. no
  X11 specific:
    XLib ................................. yes
    XCB Xlib ............................. yes
    EGL on X11 ........................... no
    xkbcommon-x11 ........................ no
QPA backends:
  DirectFB ............................... no
  EGLFS .................................. no
  LinuxFB ................................ yes
  VNC .................................... yes
Qt Sql:
  SQL item models ........................ yes
Qt Widgets:
  GTK+ ................................... no
  Styles ................................. Fusion Windows
Qt PrintSupport:
  CUPS ................................... no
Qt Sql Drivers:
  DB2 (IBM) .............................. no
  InterBase .............................. no
  MySql .................................. no
  OCI (Oracle) ........................... no
  ODBC ................................... no
  PostgreSQL ............................. no
  SQLite2 ................................ no
  SQLite ................................. yes
    Using system provided SQLite ......... no
  TDS (Sybase) ........................... yes
Qt Testlib:
  Tester for item models ................. yes

Issue Analytics

  • State:closed
  • Created a year ago
  • Comments:9 (9 by maintainers)

github_iconTop GitHub Comments

2reactions
ericLemanissiercommented, Oct 14, 2022

I think this is actually a bug: xorg/system@ should install packages matching your host arch, not the default system arch. I reported it in https://github.com/conan-io/conan/issues/12312

1reaction
ericLemanissiercommented, Oct 17, 2022

@Zvicii the bug is actually in xorg recipe, it should be fixed with https://github.com/conan-io/conan-center-index/pull/13538

Read more comments on GitHub >

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