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當然，我想我已經安裝了所有的依賴關係。新的API文檔看起來不錯，但我找不到任何安裝調試提示。我正在使用grep在構建目錄中追蹤對RandR的引用，試圖找出版本檢查沒有發現的內容。有更好的建議嗎？沒有RandR 1.5支持真棒4.0的測試安裝，要檢查什麼？
這裏有cmake的過程中所有相關性檢查：
-- git -> /usr/bin/git
-- asciidoc -> /usr/bin/asciidoc
-- xmlto -> /usr/bin/xmlto
-- gzip -> /bin/gzip
-- ldoc -> /usr/local/bin/ldoc
-- convert -> /usr/bin/convert
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.29.1")
-- Found Lua: /usr/lib/x86_64-linux-gnu/liblua5.1.so;/usr/lib/x86_64-linux-gnu/libm.so (found version "5.1.5")
-- Using version from git: v4.0-105-gbfb3534
-- Checking for module 'xcb>=1.6'
-- Found xcb, version 1.11.1
-- Checking for module 'glib-2.0'
-- Found glib-2.0, version 2.48.1
-- Checking for module 'gdk-pixbuf-2.0'
-- Found gdk-pixbuf-2.0, version 2.32.2
-- Checking for module 'cairo'
-- Found cairo, version 1.14.6
-- Checking for module 'x11'
-- Found x11, version 1.6.3
-- Checking for module 'xcb-cursor'
-- Found xcb-cursor, version 0.1.1
-- Checking for module 'xcb-randr'
-- Found xcb-randr, version 1.11.1
-- Checking for module 'xcb-xtest'
-- Found xcb-xtest, version 1.11.1
-- Checking for module 'xcb-xinerama'
-- Found xcb-xinerama, version 1.11.1
-- Checking for module 'xcb-shape'
-- Found xcb-shape, version 1.11.1
-- Checking for module 'xcb-util>=0.3.8'
-- Found xcb-util, version 0.4.0
-- Checking for module 'xcb-keysyms>=0.3.4'
-- Found xcb-keysyms, version 0.4.0
-- Checking for module 'xcb-icccm>=0.3.8'
-- Found xcb-icccm, version 0.4.1
-- Checking for module 'xcb-xkb'
-- Found xcb-xkb, version 1.11.1
-- Checking for module 'xkbcommon'
-- Found xkbcommon, version 0.5.0
-- Checking for module 'xkbcommon-x11'
-- Found xkbcommon-x11, version 0.5.0
-- Checking for module 'cairo-xcb'
-- Found cairo-xcb, version 1.14.6
-- Checking for module 'libstartup-notification-1.0>=0.10'
-- Found libstartup-notification-1.0, version 0.12
-- Checking for module 'xproto>=7.0.15'
-- Found xproto, version 7.0.28
-- Checking for module 'libxdg-basedir>=1.0.0'
-- Found libxdg-basedir, version 1.2.0
-- Checking for module 'xcb-xrm'
-- Found xcb-xrm, version 1.2
-- Checking for modules 'glib-2.0;gdk-pixbuf-2.0;cairo;x11;xcb-cursor;xcb-randr;xcb-xtest;xcb-xinerama;xcb-shape;xcb-util>=0.3.8;xcb-keysyms>=0.3.4;xcb-icccm>=0.3.8;xcb-xkb;xkbcommon;xkbcommon-x11;cairo-xcb;libstartup-notification-1.0>=0.10;xproto>=7.0.15;libxdg-basedir>=1.0.0;xcb-xrm'
-- Found glib-2.0, version 2.48.1
-- Found gdk-pixbuf-2.0, version 2.32.2
-- Found cairo, version 1.14.6
-- Found x11, version 1.6.3
-- Found xcb-cursor, version 0.1.1
-- Found xcb-randr, version 1.11.1
-- Found xcb-xtest, version 1.11.1
-- Found xcb-xinerama, version 1.11.1
-- Found xcb-shape, version 1.11.1
-- Found xcb-util, version 0.4.0
-- Found xcb-keysyms, version 0.4.0
-- Found xcb-icccm, version 0.4.1
-- Found xcb-xkb, version 1.11.1
-- Found xkbcommon, version 0.5.0
-- Found xkbcommon-x11, version 0.5.0
-- Found cairo-xcb, version 1.14.6
-- Found libstartup-notification-1.0, version 0.12
-- Found xproto, version 7.0.28
-- Found libxdg-basedir, version 1.2.0
-- Found xcb-xrm, version 1.2
-- Looking for backtrace_symbols
-- Looking for backtrace_symbols - found
-- checking for execinfo -- found
-- Looking for round
-- Looking for round - not found
-- Looking for round
-- Looking for round - found
-- checking for round -- in libm
-- Checking for module 'dbus-1'
-- Found dbus-1, version 1.10.6
它不會出現檢查libxrandr2（1.5.0版本），所安裝的了。