我正在尝试安装root-cern然后安装Geant4 我得到这个按摩，我不明白是什么问题，以及如何解决它。消息是：
CMake Error at /home/user/root/build-dir/AFTERIMAGE-prefix/src/AFTERIMAGE-stamp/AFTERIMAGE-configure-RelWithDebInfo.cmake:16 (message):
Command failed: Permission denied
'./configure' '--prefix' '/home/user/root/build-dir' '--libdir=/home/ola/root/build-dir/lib' '--with-ttf' '--with-afterbase=no' '--without-svg' '--disable-glx' '--with-builtin-ungif' '--with-jpeg' '--with-jpeg-includes=/usr/include' '--with-png' '--with-png-includes=/usr/include' '--with-tiff-includes=/usr/include/x86_64-linux-gnu' 'CC=/usr/bin/cc' 'CFLAGS='
See also
/home/user/root/build-dir/AFTERIMAGE-prefix/src/AFTERIMAGE-stamp/AFTERIMAGE-configure-*.log
CMakeFiles/AFTERIMAGE.dir/build.make:105: recipe for target 'AFTERIMAGE-prefix/src/AFTERIMAGE-stamp/AFTERIMAGE-configure' failed
make[2]: *** [AFTERIMAGE-prefix/src/AFTERIMAGE-stamp/AFTERIMAGE-configure] Error 1
CMakeFiles/Makefile2:163: recipe for target 'CMakeFiles/AFTERIMAGE.dir/all' failed
make[1]: *** [CMakeFiles/AFTERIMAGE.dir/all] Error 2
Makefile:149: recipe for target 'all' failed
make: *** [all] Error 2