Now using modern CMake features as discussed by Daniel Pfeifer on C++Now 2017. Moreover a full build environment is defined by the provided [mini-cross](https://github.com/ooxi/mini-cross) description.
Squashed commit of the following: commit 9ed7fee198 Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net> Date: Thu Nov 1 18:20:04 2012 +0100 xml.c parser verbosity commit 97d4cbade8 Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net> Date: Thu Nov 1 18:19:21 2012 +0100 xml.c parser verbosity commit 8c5493710b Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net> Date: Thu Nov 1 18:17:13 2012 +0100 xml.c parser verbosity commit 3a793c8c7d Author: ooxi <85fcd0ef4ec8@f977375cdcd6.anonbox.net> Date: Thu Nov 1 18:16:37 2012 +0100 xml parser verbosity
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