En/TDE libcaldav

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LIBCALDAV

En/trinity_desktop_environment#Base_Packages

Libcaldav is a software library developed to support the CalDAV protocol as defined in rfc4791. A client protocol to connect to and manage scheduling data and calendars shared through a remote server. CalDAV supports concurrent access to shared resources thus permitting information sharing and collaborative planning of events and tasks. CalDAV adopted the iCalendar data format shared by many client and server side applications. The libcaldav library aims at full protocol implementation in order for every application to easily add CalDAV supported features.

Libcaldav and Slackware

Slackware does not ship a libcaldav library package therefore there is no build script to use as a reference. Moreover the Trinity Desktop Environment project ditched the official libcaldav version available through sourceforge in favor of a patched one only available through the Trinity project GIT repository. Source code for the custom libcaldav version is not released as a tgz archive as a consequence two ways exist to download it:

• Connect to the repository through a web browser and download a compressed archive of the last available version of the master branch. libcaldav-master.tar.gz
• Install GIT on your machine and use the following commands:

1. Move in the directory You wish to download the files to
2. Run command git clone http://anonymous@scm.trinitydesktop.org/scm/git/libcaldav
3. Rename the root source code directory: mv libcaldav libcaldav-master (This is only needed to copy the naming convention of the file downloaded with the previously described method)
4. Build an archive of the source code files: tar -zcf libcaldav-master.tar.gz libcaldav-master

Whatever the method, we will use the resulting libcaldav-master.tar.gz file to build a working libcaldav package as described further below.

The official package does not use autotools nor cmake for configuring, only a shell script: autogen.sh, which can be executed moving to the source root directory then running: ./autogen.sh . Once configured the package can be built running make followed by make install to copy the output binary files in the package directory tree. In short:

Specifically set Qt libraries paths to be consistent with previously built packages:

 # Add temporary paths to handle new libraries during build
 export QTDIR=/opt/trinity
 export PATH=/opt/trinity/bin:/usr/bin:$PATH
 export LIBDIR=/usr/lib${LIBDIRSUFFIX}
 export LD_LIBRARY_PATH=/usr/lib${LIBDIRSUFFIX}:/opt/trinity/lib${LIBDIRSUFFIX}
 export PKG_CONFIG_PATH=:/usr/lib${LIBDIRSUFFIX}/pkgconfig:/opt/trinity/lib${LIBDIRSUFFIX}/pkgconfig:$PKG_CONFIG_PATH

Run command:

  sh ./autogen.sh

to configure libcaldav for a 32 bit environment.

Then run command make with no option.

A SlackBuild script including all of the instructions and hacks needed by the build procedure can be downloaded from the following link. The output package can be installed using command installpkg as usual in Slackware Linux.

For any feedback, questions, errors and such, please e-mail me at studiosg [at] giustetti [dot] net

External Links

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• TDE build guide
• The sourceforge libcaldav related page
• The libcaldav home page
• The Wikipedia CalDAV related page
• The CalDAV protocol specification
• The rfc4791 document

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Languages: English - Italiano