[Texmacs-dev] --with-cairo

[Andrey G. Grozin]

Hello *,

What exactly --with-cairo adds to TeXmacs? I tried to compile 1.99.1 with 
--with-qt --with-cairo, but got

x86_64-pc-linux-gnu-g++ -ISystem -ISystem/Boot -ISystem/Classes 
-ISystem/Files -ISystem/Link -ISystem/Misc -ISystem/Language 
-IKernel/Abstractions -IKernel/Containers -IKernel/Types -IData/Convert 
-IData/Drd -IData/History -IData/Observers -IData/Document -IData/String 
-IData/Tmfs -IData/Tree -IScheme -IGraphics/Bitmap_fonts -IGraphics/Fonts 
-IGraphics/Gui -IGraphics/Mathematics -IGraphics/Renderer 
-IGraphics/Handwriting -IGraphics/Types -IGraphics/Pictures 
-IGraphics/Spacial -IPlugins -ITexmacs -ITexmacs/Data -IEdit -ITypeset 
-pipe -O2 -Wall -W -D_REENTRANT -pthread -DQT_NO_DEBUG -DQT_GUI_LIB 
-DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I. 
-I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4 -I. 
-I. -DQTTEXMACS -Wall -Wno-return-type -O2 -march=native -pipe -fno-rtti 
-c ./Plugins/Qt/QTMWindow.cpp -o Objects/QTMWindow.o
In file included from ./Plugins/Qt/QTMWidget.cpp:25:0:
Plugins/Cairo/tm_cairo.hpp:21:19: fatal error: cairo.h: No such file or 
directory
 #include <cairo.h>
                   ^
compilation terminated.
makefile:315: recipe for target 'Objects/QTMWidget.o' failed
make[1]: *** [Objects/QTMWidget.o] Error 1

Is CXXCAIRO used in the relevant place in src/makefile.in?

By the way, what do --with-axel and --with-sqlite3 mean?

Andrey