* A C++11 compiler. Development is being done mainly with gcc/g++,
but clang and MSVC are known to work too. As of LyX 2.4.0, you
- need at least gcc 4.7.
+ need at least gcc 4.9.
* The Qt library, at least version 5.2 (5.6 recommended). It is
still possible to compile with Qt 4.8, but this is not