[Fiware-tech-help] [WebUI][Synchronization] Building from source in virtualized Ubuntu Desktops fails giving configuration incomplete error

[Fi-ware ULPGC]

Responsible: fiware at ulpgc.es
Tested GE(s):Synchronization GE
Environment:
- Local
Operating System: Ubuntu 12.04.4 (32 bits)
Virtualization software: VirtualBox 4.3.18
Host Operating System: Windows 8 (64 bits)

Operating System: Ubuntu 12.04.4 (64 bits)
Virtualization software: VirtualBox 4.3.18
Host Operating System: Windows 8 (64 bits)

Installation instructions:
https://github.com/realXtend/tundra/blob/tundra2/doc/dox/BuildOnUbuntu.dox

Description:

While following the installation instructions, when we execute sudo
./build_deps.bash to start compiling the source files we get the error
“Configuring incomplete, errors occurred!” on the configuring Qt step.
After this error is displayed the installation halts and the server stays
uninstalled.

Console output:
[...]
Current status: 210 updates [-23].
+ what=qjson
+ test -f /home/test/naali-deps/tags/qjson-done
+ cd /home/test/naali-deps/build
+ '[' -d /home/test/naali-deps/build/qjson ']'
+ git clone https://github.com/flavio/qjson
Cloning into 'qjson'...
remote: Counting objects: 2147, done.
Receiving objects: 100% (2147/2147), 597.26 KiB | 199 KiB/s, done.
remote: Total 2147 (delta 0), reused 0 (delta 0)
Resolving deltas: 100% (1394/1394), done.
+ cd qjson
+ sed -e 's/CMAKE_MINIMUM_REQUIRED(VERSION
2.8.8)/CMAKE_MINIMUM_REQUIRED(VERSION 2.8.7)/'
+ mv x CMakeLists.txt
+ cmake . -DCMAKE_INSTALL_PREFIX=/home/test/naali-deps/install
-DCMAKE_BUILD_TYPE=RELWITHDEBINFO -DQJSON_BUILD_TESTS=no
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/ccache
-- Check for working C compiler: /usr/bin/ccache -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/ccache
-- Check for working CXX compiler: /usr/bin/ccache -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
CMake Error at CMakeLists.txt:10 (cmake_policy):
  Policy "CMP0020" is not known to this version of CMake.


Qt5 not found, searching for Qt4
-- Looking for Q_WS_X11
-- Looking for Q_WS_X11 - found
-- Looking for Q_WS_WIN
-- Looking for Q_WS_WIN - not found.
-- Looking for Q_WS_QWS
-- Looking for Q_WS_QWS - not found.
-- Looking for Q_WS_MAC
-- Looking for Q_WS_MAC - not found.
-- Found Qt4: /usr/bin/qmake (found version "4.8.1")
-- Configuring incomplete, errors occurred!
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