$ cmake ..
------------------------------
Building Makefile for Inkscape
------------------------------
Source Dir: /usr/local/src/inkscape-0.92.2
Binary Dir: /usr/local/src/inkscape-0.92.2/build
-- Creating build files in: /usr/local/src/inkscape-0.92.2/build
-- Could NOT find GTest (missing:  GTEST_LIBRARY GTEST_MAIN_LIBRARY) 
No gmock/gtest found! Perhaps you wish to run 'bash download-gtest.sh' to download it.
CMake Error at /usr/share/cmake-3.7/Modules/FindPackageHandleStandardArgs.cmake:138 (message):
  Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE)
Call Stack (most recent call first):
  /usr/share/cmake-3.7/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-3.7/Modules/FindPkgConfig.cmake:36 (find_package_handle_standard_args)
  CMakeScripts/DefineDependsandFlags.cmake:38 (find_package)
  CMakeLists.txt:112 (include)


-- Configuring incomplete, errors occurred!
See also "/usr/local/src/inkscape-0.92.2/build/CMakeFiles/CMakeOutput.log".