Speedup windows build
Gain d'un peu moins de 60% sur les temps de compilation windows Chez moi : 22minutes => 8minutes30
- bcg729!13 (merged)
- bctoolbox!77 (merged)
- bcunit!10 (merged)
- belcard!21 (merged)
- belle-sip!131 (merged)
- belr!23 (merged)
- bzrtp!16 (merged)
- linphone-cmake-builder!137 (merged)
- BC/public/external/decaf!11 (merged)
- BC/public/external/libxml2!5 (merged)
- BC/public/external/xerces-c!2 (merged)
- liblinphone!871 (merged)
- lime!46 (merged)
- mediastreamer2!295 (merged)
- msamr!6 (closed)
- msopenh264!8 (merged)
- mssilk!5 (merged)
- mswasapi!14 (merged)
- mswebrtc!14 (merged)
- mswinrtvid!11 (merged)
- ortp!56 (merged)