CMake Error at cmake/QCAMacros.cmake:64 (message):
  QCA OpenSSL plugin not found (run-time/unit-test dependency)
Call Stack (most recent call first):
  CMakeLists.txt:317 (FIND_QCAOSSL_PLUGIN_CPP)

-- QGIS version: 2.15.0 Master (21500)
-- Found GRASS 6: /usr/lib/grass64 (6.4.3, off_t size = )
-- Could not find GRASS 7
-- Found Proj: /usr/lib/libproj.so
-- Found GEOS: /usr/lib/libgeos_c.so (3.4.2)
-- Found GDAL: /usr/lib/libgdal.so (1.10.1)
-- Found Expat: /usr/lib/i386-linux-gnu/libexpat.so
-- Found Spatialindex: /usr/lib/i386-linux-gnu/libspatialindex.so
-- Found Qwt: /usr/lib/libqwt-qt4.so (5.2.3)
-- Found Sqlite3: /usr/lib/i386-linux-gnu/libsqlite3.so
-- Found PostgreSQL: /usr/lib/libpq.so
-- Found SpatiaLite: /usr/lib/i386-linux-gnu/libspatialite.so
-- Found Qt version: 4.8.6
-- Touch support disabled
-- Found QScintilla2: /usr/lib/libqscintilla2.so (2.8.1)
-- Found QCA: /usr/lib/i386-linux-gnu/libqca.so (2.0.3)
-- Configuring incomplete, errors occurred!