/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.prl is in qtbase5-dev 5.9.5+dfsg-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | QMAKE_PRL_BUILD_DIR = /build/qtbase-opensource-src-oTRRwM/qtbase-opensource-src-5.9.5+dfsg/src/plugins/platforms/xcb
QMAKE_PRO_INPUT = xcb_qpa_lib.pro
QMAKE_PRL_TARGET = libQt5XcbQpa.so.5.9.5
QMAKE_PRL_CONFIG = lex yacc depend_includepath testcase_targets import_plugins import_qpa_plugin qt_build_extra file_copies qmake_use qt warn_on release link_prl incremental shared release linux unix posix gcc sse2 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 nostrip prefix_build force_independent utf8_source create_prl link_prl prepare_docs qt_docs_targets no_private_qt_headers_warning QTDIR_build qt_example_installs exceptions_off testcase_exceptions explicitlib warning_clean no_module_headers internal_module relative_qt_rpath qmake_cache target_qt c++11 strict_c++ c++14 c++1z hide_symbols bsymbolic_functions need_fwd_pri qt_install_module compiler_supports_fpmath create_libtool have_target dll thread opengl dbusadaptors dbusinterfaces moc resources
QMAKE_PRL_VERSION = 5.9.5
QMAKE_PRL_LIBS = -lQt5ServiceSupport -lQt5ThemeSupport -lQt5EventDispatcherSupport -lgthread-2.0 -lglib-2.0 -lQt5FontDatabaseSupport -lfontconfig -lfreetype -lQt5LinuxAccessibilitySupport -lQt5AccessibilitySupport -lGL -lQt5Gui -lQt5DBus -lQt5Core -lpthread -lX11-xcb -lX11 -lXi -lSM -lICE -lxcb-xkb -lxcb-render-util -lxcb-render -lxcb-sync -lxcb-xfixes -lxcb-xinerama -lxcb-randr -lxcb-image -lxcb-shm -lxcb-keysyms -lxcb-icccm -lxcb -lxcb-shape -lxkbcommon-x11 -lxkbcommon -ldl
|