Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-137170

XCB GL integrations and EGLFS device integrations are always linked in static build

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 6.5, 6.8, 6.9, 6.10
    • Build System: CMake
    • None
    • Linux/Wayland

    Description

      Building Qt with the following Dockerfile:

      FROM rockylinux:8
ENV LANG=C.UTF-8
ENV PATH=/opt/rh/gcc-toolset-12/root/usr/bin:$PATH
ENV LD_LIBRARY_PATH=/opt/rh/gcc-toolset-12/root/usr/lib64:/opt/rh/gcc-toolset-12/root/usr/lib
ENV PKG_CONFIG_PATH=/opt/rh/gcc-toolset-12/root/usr/lib64/pkgconfig:/opt/rh/gcc-toolset-12/root/usr/lib/pkgconfig

RUN dnf -y install epel-release \
	&& dnf config-manager --set-enabled powertools \
	&& dnf -y install cmake git ninja-build pkgconf gcc-toolset-12-binutils \
		gcc-toolset-12-gcc-c++ fontconfig-devel freetype-devel \
		zlib-devel libxkbcommon-devel libxkbcommon-x11-devel \
		libX11-devel wayland-devel libxcb-devel xcb-util-wm-devel \
		xcb-util-image-devel xcb-util-keysyms-devel xcb-util-renderutil-devel \
		xcb-util-cursor-devel mesa-libGL-devel mesa-libEGL-devel \
		vulkan-devel glib2-devel at-spi2-core-devel \
		gtk3-devel openssl-devel \
	&& dnf clean all

WORKDIR /usr/src
ENV LDFLAGS=-Wl,-as-needed

RUN <<EOF
git clone --depth=1 https://github.com/qt/qtbase.git
cd qtbase
cmake -GNinja -B build . \
	-DCMAKE_BUILD_TYPE=Release \
	-DBUILD_SHARED_LIBS=OFF \
	-DQT_BUILD_EXAMPLES=ON \
	-DQT_QPA_DEFAULT_PLATFORM=wayland \
	-DFEATURE_no_prefix=ON
cmake --build build --parallel
EOF

      Results in the following libs being linked:
      readelf -d qtbase/build/examples/gui/rasterwindow/rasterwindow

      Dynamic section at offset 0xb7b988 contains 65 entries:
  Tag        Type                         Name/Value
 0x0000000000000001 (NEEDED)             Shared library: [libdrm.so.2]
 0x0000000000000001 (NEEDED)             Shared library: [libwayland-client.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libwayland-cursor.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libX11-xcb.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libGLX.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libOpenGL.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libEGL.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libpng16.so.16]
 0x0000000000000001 (NEEDED)             Shared library: [libfreetype.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libfontconfig.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libX11.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libdbus-1.so.3]
 0x0000000000000001 (NEEDED)             Shared library: [libxkbcommon.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libz.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libicui18n.so.60]
 0x0000000000000001 (NEEDED)             Shared library: [libicuuc.so.60]
 0x0000000000000001 (NEEDED)             Shared library: [libpcre2-16.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libdl.so.2]
 0x0000000000000001 (NEEDED)             Shared library: [libglib-2.0.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [librt.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libxkbcommon-x11.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-cursor.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-icccm.so.4]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-image.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-keysyms.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-randr.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-render-util.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-shm.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-sync.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-xfixes.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-render.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-shape.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-xkb.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb-glx.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libxcb.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libstdc++.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libm.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libgcc_s.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libpthread.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [ld-linux-x86-64.so.2]
 0x000000000000001d (RUNPATH)            Library runpath: [::::::::::::::::::::::::]
 0x000000000000000c (INIT)               0x414000
 0x000000000000000d (FINI)               0xca8da4
 0x0000000000000019 (INIT_ARRAY)         0xf55c18
 0x000000000000001b (INIT_ARRAYSZ)       304 (bytes)
 0x000000000000001a (FINI_ARRAY)         0xf55d48
 0x000000000000001c (FINI_ARRAYSZ)       16 (bytes)
 0x000000006ffffef5 (GNU_HASH)           0x400340
 0x0000000000000005 (STRTAB)             0x404fe8
 0x0000000000000006 (SYMTAB)             0x400380
 0x000000000000000a (STRSZ)              16090 (bytes)
 0x000000000000000b (SYMENT)             24 (bytes)
 0x0000000000000015 (DEBUG)              0x0
 0x0000000000000003 (PLTGOT)             0xf7d000
 0x0000000000000002 (PLTRELSZ)           18720 (bytes)
 0x0000000000000014 (PLTREL)             RELA
 0x0000000000000017 (JMPREL)             0x40ef30
 0x0000000000000007 (RELA)               0x409830
 0x0000000000000008 (RELASZ)             22272 (bytes)
 0x0000000000000009 (RELAENT)            24 (bytes)
 0x000000006ffffffe (VERNEED)            0x409520
 0x000000006fffffff (VERNEEDNUM)         10
 0x000000006ffffff0 (VERSYM)             0x408ec2
 0x0000000000000000 (NULL)               0x0

      However, I would expect no XCB libraries being linked.

      grep --color=auto Plugin_init.cpp qtbase/build/examples/gui/rasterwindow/build.ninja reveals Qt links XCB GL integrations and EGLFS device integrations even though XCB and EGLFS platform plugins aren't linked.

      Applying such a patch:

      diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/CMakeLists.txt
index fa744be0330..5e4790be433 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_emu/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QEglFSEmulatorIntegrationPlugin
     OUTPUT_NAME qeglfs-emu-integration
     PLUGIN_TYPE egldeviceintegrations
+    DEFAULT_IF "eglfs" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qeglfsemulatorintegration.cpp qeglfsemulatorintegration.h
         qeglfsemulatorscreen.cpp qeglfsemulatorscreen.h
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/CMakeLists.txt
index 3c3e5a8a6ca..76edf6b23cc 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QEglFSKmsEglDeviceIntegrationPlugin
     OUTPUT_NAME qeglfs-kms-egldevice-integration
     PLUGIN_TYPE egldeviceintegrations
+    DEFAULT_IF "eglfs" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qeglfskmsegldevice.cpp qeglfskmsegldevice.h
         qeglfskmsegldeviceintegration.cpp qeglfskmsegldeviceintegration.h
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_mali/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_mali/CMakeLists.txt
index 38981f87b98..d24b5315a44 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_mali/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_mali/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QEglFSMaliIntegrationPlugin
     OUTPUT_NAME qeglfs-mali-integration
     PLUGIN_TYPE egldeviceintegrations
+    DEFAULT_IF "eglfs" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qeglfsmaliintegration.cpp qeglfsmaliintegration.h
         qeglfsmalimain.cpp
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_openwfd/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_openwfd/CMakeLists.txt
index 7e2362e6271..20cd9399e6e 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_openwfd/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_openwfd/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QEglFSOpenWFDIntegrationPlugin
     OUTPUT_NAME qeglfs-openwfd-integration
     PLUGIN_TYPE egldeviceintegrations
+    DEFAULT_IF "eglfs" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qeglfsopenwfdintegration.cpp qeglfsopenwfdintegration.h
         qeglfsopenwfdmain.cpp
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv/CMakeLists.txt
index 01defc92428..de87cad8356 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QEglFSVivIntegrationPlugin
     OUTPUT_NAME qeglfs-viv-integration
     PLUGIN_TYPE egldeviceintegrations
+    DEFAULT_IF "eglfs" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qeglfsvivintegration.cpp qeglfsvivintegration.h
         qeglfsvivmain.cpp
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv_wl/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv_wl/CMakeLists.txt
index 6052e98ab84..c81d4689810 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv_wl/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_viv_wl/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QEglFSVivWaylandIntegrationPlugin
     OUTPUT_NAME qeglfs-viv-wl-integration
     PLUGIN_TYPE egldeviceintegrations
+    DEFAULT_IF "eglfs" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qeglfsvivwlintegration.cpp qeglfsvivwlintegration.h
         qeglfsvivwlmain.cpp
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_x11/CMakeLists.txt b/src/plugins/platforms/eglfs/deviceintegration/eglfs_x11/CMakeLists.txt
index 9dde3090c86..932bf998948 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_x11/CMakeLists.txt
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_x11/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QEglFSX11IntegrationPlugin
     OUTPUT_NAME qeglfs-x11-integration
     PLUGIN_TYPE egldeviceintegrations
+    DEFAULT_IF "eglfs" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qeglfsx11integration.cpp qeglfsx11integration.h
         qeglfsx11main.cpp
diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_egl/CMakeLists.txt b/src/plugins/platforms/xcb/gl_integrations/xcb_egl/CMakeLists.txt
index 12938c159a9..a4a793a5d10 100644
--- a/src/plugins/platforms/xcb/gl_integrations/xcb_egl/CMakeLists.txt
+++ b/src/plugins/platforms/xcb/gl_integrations/xcb_egl/CMakeLists.txt
@@ -10,6 +10,7 @@ qt_find_package(EGL)
 qt_internal_add_plugin(QXcbEglIntegrationPlugin
     OUTPUT_NAME qxcb-egl-integration
     PLUGIN_TYPE xcbglintegrations
+    DEFAULT_IF "xcb" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qxcbeglcontext.h
         qxcbeglintegration.cpp qxcbeglintegration.h
diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/CMakeLists.txt b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/CMakeLists.txt
index f9f78ad1eb2..eb170ad90e1 100644
--- a/src/plugins/platforms/xcb/gl_integrations/xcb_glx/CMakeLists.txt
+++ b/src/plugins/platforms/xcb/gl_integrations/xcb_glx/CMakeLists.txt
@@ -8,6 +8,7 @@
 qt_internal_add_plugin(QXcbGlxIntegrationPlugin
     OUTPUT_NAME qxcb-glx-integration
     PLUGIN_TYPE xcbglintegrations
+    DEFAULT_IF "xcb" IN_LIST QT_QPA_PLATFORMS
     SOURCES
         qglxintegration.cpp qglxintegration.h
         qxcbglxintegration.cpp qxcbglxintegration.h

      Results in no xcb library:

      Dynamic section at offset 0xa95ae8 contains 44 entries:
  Tag        Type                         Name/Value
 0x0000000000000001 (NEEDED)             Shared library: [libpng16.so.16]
 0x0000000000000001 (NEEDED)             Shared library: [libfreetype.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libfontconfig.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libz.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libicui18n.so.60]
 0x0000000000000001 (NEEDED)             Shared library: [libicuuc.so.60]
 0x0000000000000001 (NEEDED)             Shared library: [libpcre2-16.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libdl.so.2]
 0x0000000000000001 (NEEDED)             Shared library: [libglib-2.0.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [librt.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libdbus-1.so.3]
 0x0000000000000001 (NEEDED)             Shared library: [libxkbcommon.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libwayland-client.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libwayland-cursor.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libstdc++.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libm.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [libgcc_s.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libpthread.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.6]
 0x0000000000000001 (NEEDED)             Shared library: [ld-linux-x86-64.so.2]
 0x000000000000001d (RUNPATH)            Library runpath: [::::::::::::::::::::::::]
 0x000000000000000c (INIT)               0x410000
 0x000000000000000d (FINI)               0xbfb824
 0x0000000000000019 (INIT_ARRAY)         0xe74aa8
 0x000000000000001b (INIT_ARRAYSZ)       232 (bytes)
 0x000000000000001a (FINI_ARRAY)         0xe74b90
 0x000000000000001c (FINI_ARRAYSZ)       16 (bytes)
 0x000000006ffffef5 (GNU_HASH)           0x400340
 0x0000000000000005 (STRTAB)             0x403f00
 0x0000000000000006 (SYMTAB)             0x400378
 0x000000000000000a (STRSZ)              12168 (bytes)
 0x000000000000000b (SYMENT)             24 (bytes)
 0x0000000000000015 (DEBUG)              0x0
 0x0000000000000003 (PLTGOT)             0xe97000
 0x0000000000000002 (PLTRELSZ)           14424 (bytes)
 0x0000000000000014 (PLTREL)             RELA
 0x0000000000000017 (JMPREL)             0x40c118
 0x0000000000000007 (RELA)               0x407690
 0x0000000000000008 (RELASZ)             19080 (bytes)
 0x0000000000000009 (RELAENT)            24 (bytes)
 0x000000006ffffffe (VERNEED)            0x407380
 0x000000006fffffff (VERNEEDNUM)         10
 0x000000006ffffff0 (VERSYM)             0x406e88
 0x0000000000000000 (NULL)               0x0

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-137074 Compose/CJK input support is not automatically linked with X11/Wayland static build

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported

          Suggestion - Public suggestions QTBUG-132248 Switch QT_QPA_DEFAULT_PLATFORM to wayland for Linux

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported
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              qtbuildsystem Qt Build System Team
              ilya-fedin Ilya Fedin
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                Updated:

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