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我正试图在CentOS 5.6上构建qt ，但由于系统没有所需的库而失败。规格文件中的pkgconfig（alsa）无法识别已安装的alsa，alsa-devel
我试图用Fedora qt源代码rpm文件创建源代码和spec文件。
$的rpmbuild -ba qt.spec
和失败消息是像下面，
pkgconfig(alsa) is needed by qt-4.8.2-4.noarch
pkgconfig(dbus-1) is needed by qt-4.8.2-4.noarch
pkgconfig(fontconfig) is needed by qt-4.8.2-4.noarch
pkgconfig(glib-2.0) is needed by qt-4.8.2-4.noarch
pkgconfig(icu-i18n) is needed by qt-4.8.2-4.noarch
pkgconfig(NetworkManager) is needed by qt-4.8.2-4.noarch
pkgconfig(openssl) is needed by qt-4.8.2-4.noarch
pkgconfig(libpng) is needed by qt-4.8.2-4.noarch
pkgconfig(libpulse) is needed by qt-4.8.2-4.noarch
pkgconfig(xtst) is needed by qt-4.8.2-4.noarch
pkgconfig(zlib) is needed by qt-4.8.2-4.noarch
pkgconfig(ice) is needed by qt-4.8.2-4.noarch
pkgconfig(sm) is needed by qt-4.8.2-4.noarch
pkgconfig(xcursor) is needed by qt-4.8.2-4.noarch
pkgconfig(xext) is needed by qt-4.8.2-4.noarch
pkgconfig(xfixes) is needed by qt-4.8.2-4.noarch
pkgconfig(xft) is needed by qt-4.8.2-4.noarch
pkgconfig(xi) is needed by qt-4.8.2-4.noarch
pkgconfig(xinerama) is needed by qt-4.8.2-4.noarch
pkgconfig(xrandr) is needed by qt-4.8.2-4.noarch
pkgconfig(xrender) is needed by qt-4.8.2-4.noarch
pkgconfig(xt) is needed by qt-4.8.2-4.noarch
pkgconfig(xv) is needed by qt-4.8.2-4.noarch
pkgconfig(x11) is needed by qt-4.8.2-4.noarch
pkgconfig(xproto) is needed by qt-4.8.2-4.noarch
pkgconfig(gl) is needed by qt-4.8.2-4.noarch
pkgconfig(glu) is needed by qt-4.8.2-4.noarch
pkgconfig(gstreamer-0.10) is needed by qt-4.8.2-4.noarch
pkgconfig(gstreamer-plugins-base-0.10) is needed by qt-4.8.2-4.noarch
pkgconfig(gtk+-2.0) is needed by qt-4.8.2-4.noarch
pkgconfig(sqlite3) is needed by qt-4.8.2-4.noarch
但最上面（ALSA-devel的，fontconfig会...等）都已经安装。 和.pc文件位于'/ usr/lib64/pkgconfig /'
我认为rpmbuild无法识别'pkgconfig（...）'。
有人可以知道原因吗？ plz帮我〜
在此先感谢。