技术标签: qt library compilation meshlab plugins express microsoft
To compile MeshLab you need a C++ compiling environment, (we regularly compile meshlab under VisualStudio 2005, gcc and xcode) and the following libraries:
MeshLab and MeshLab's plugins invokes functions exported by external libraries. The code of all these libraries is normally included in the MeshLab's source code package. You can find it in the folder external in the MeshLab source tree.
In order to successfully compile a MeshLab's plugin with external dependency you have before to compile the referred library and put it into the folder meshlab/src/external/lib/YOUR_OS where YOUR_OS is a string related to your operating system and compiler according to QMAKESPEC definition (like for example macx or win32-msvc2005).
Into the folder external a .pro file, external.pro, has been provided to easily compile all the external libraries. To do this you can either:
qmake -recursive external.pro make
A note: when we say that a library is needed only for a specific plugin we mean that if you do not have that library you should not try to compile that specific plugin otherwise the compilation of that plugin could fail on that plugin and, depending on your compiling environment, the whole compilation could stop. To avoid the compilation of problematic plugins simply comments the relative line (adding a # at the beginning of the line) in the src/meshlabplugins/meshlabpluginsv12.pro.
The meshlab sources and the vcg library must be at the same level and the vcg library root should be named 'vcglib'. The external compiled libraries should be placed in a dir named ~/devel/meshlab/external/lib/YOUR_OS (see the above section).
You should have setup your directories in a way that should be similar to the following ones (obviously you are not forced to call your base dir devel or to put it under your home dir):
~/devel/vcglib/vcg/space/ ~/devel/meshlab/src/meshlab/interfaces.h ~/devel/meshlab/external/lib/YOUR_OS
If you put things in dirs with different relations, you have to manually change the .pro. Please note that if you are a developer that will soon or later submit back its work, it is strongly deprecated that you use your own version of .pro files: use the standard setup.
The compiling step depends on the compiling environment. Using GCC (both under linux and using the mingw gcc provided with the free Qt distribution) you should just type, from the devel/meshlab/src directory:
qmake -recursive meshlabv12.pro make
the devel/meshlab/src directory contains also the meshlab_mini.pro project that contains a much smaller set of the meshlab plugins, easier (no need for lib3ds and bzip) and faster to be compiled.
Under windows the suggested platform is the one formed by the open source version of Qt with the mingw gcc compiler that is kindly included in the open source Qt distribution available from TrollTech.
If you want to use Visual Studio, please buy the commercial version of Qt that offers a nice integration of the Qt tools into the Visual Studio IDE. In that case you simply have to import the top level pro ( ~/devel/meshlab/src/meshlab.pro ) into VisualStudio.
It is possible to use the Visual Studio 8 express edition (the one free from MS). Simple steps for the lazy ones:
set QTDIR=C:/Qtvs/4.4.3 set PATH=C:/Qtvs/4.4.3/bin set PATH=%PATH%;%SystemRoot%/System32 set QMAKESPEC=win32-msvc2008
qmake -tp vc -recursive meshlabv12.pro
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