1.How is organized the Slicer build tree （3D slicer 組織架構）?

The Slicer build tree has two levels:
~/Projects/Slicer-SuperBuild
~/Projects/Slicer-SuperBuild/Slicer-build
The first level manages all the external dependencies（外部依賴關系）of Slicer (VTK, ITK, Python, ...). The second level is the"traditional"build directory of Slicer.
Slicer directory structure as followed: Build Tree & Install Tree: ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? ? ? ? ?? ? ? ? ? ?? Build tree ?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Install tree The X and Y in Slicer-X.Y respectively stand for Slicer_MAJOR_VERSION and Slicer_MINOR_VERSION
Extension install and build tree:
Extensions installation path can be specified in the Extension settings.

API: vtkSlicerApplicationLogic ?provides some convenient functions allowing to obtain the share directory associated with a given module filepath.
Note also that if vtkSlicerConfigure is included the macros (宏)Slicer_CLIMODULES_SUBDIR,?Slicer_QTLOADABLEMODULES_SUBDIR? and ??Slicer_QTSCRIPTEDMODULES_SUBDIR?will be available.
Application settings (including the search path for modules/extensions) are stored ina .ini file. The location of the file depends on the OS:
Linux + Mac OS X: ~/.config/www.na-mic.org/Slicer.ini
Windows: C:\Users\USERNAME\AppData\Roaming\NA-MIC\Slicer.ini。

2.What is a clean build？

Doing a clean build means that
(1) all directories and files in the top-level build directory ~/Projects/Slicer-SuperBuild are removed.
and
(2) you updated your source checkout and have no locally modified files.

3.What to do if QtSDK installer hangs （安裝程序掛起）?

If QtSDK installer hangs, use?-style cleanlooks?command line option（利用命令行選項）.?

4.Which minimum version of GLIBC（函數庫的最低版本） is needed to build Slicer ?

The minimum version of GLIBC required to build Slicer is defined by the minimum version required by thepre-compiler binaries used when building Slicer.

5.What to do if Visual Studio compiler crashes （VS編譯器崩潰）?

If the compiler crashes on Windows saying "Microsoft C/C++ Compiler Driver has stopped working", then it's most probably due to long build folder paths.?To fix this the Slicer build directory should be moved and/or renamed.?A typical build folder path is C:\S4D
如果Windows上的C++編譯器提醒“Microsoft C/C++ Compiler Driver has stopped working”，這很有可能是因為我們的文件路徑名設置太長導致的。更改Slicer組件目錄或者清除目錄可以解決這個問題。一個典型的文件目錄就是：C:\S4D

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