it was not here the complete issue

~/obs-studio/build$ cmake -DUNIX_STRUCTURE=1 -DCMAKE_INSTALL_PREFIX=/usr ..
-- OBS_VERSION: 0.9.1-95-g4af2353
-- Found FFMpeg: /usr/local/bin/../lib/libavcodec.so (found version "56.35.101") found components:  avcodec avfilter avdevice avutil swscale avformat swresample
-- Jansson >=2.5 not found, building bundled version
-- XCB[XCB]: Found component XCB
-- Found FFMpeg: /usr/local/bin/../lib/libavformat.so (found version "56.30.100") found components:  avformat avutil swscale swresample avcodec
-- Using libavcodec for image loading in libobs
-- XCB[XCB]: Found component XCB
-- Could NOT find XCB_RANDR (missing:  XCB_RANDR_LIBRARY XCB_RANDR_INCLUDE_DIR)
-- XCB[XINERAMA]: Found component XINERAMA
CMake Error at /usr/local/share/cmake-3.2/Modules/FindPackageHandleStandardArgs.cmake:138 (message):
  Could NOT find XCB (missing: XCB_RANDR_FOUND)
Call Stack (most recent call first):
  /usr/local/share/cmake-3.2/Modules/FindPackageHandleStandardArgs.cmake:374 (_FPHSA_FAILURE_MESSAGE)
  cmake/Modules/FindXCB.cmake:239 (find_package_handle_standard_args)
  obs/CMakeLists.txt:74 (find_package)