# Use Ninja instead of Unix Makefiles by default.
# https://stackoverflow.com/questions/11269833/cmake-selecting-a-generator-within-cmakelists-txt
#
# Reason: it have better startup time than make and it parallelize jobs more uniformly.
# (when comparing to make with Makefiles that was generated by CMake)
#
# How to install Ninja on Ubuntu:
#  sudo apt-get install ninja-build

if (NOT WIN32)
    find_program(NINJA_PATH ninja)
    if (NINJA_PATH)
        execute_process(COMMAND ninja --version OUTPUT_VARIABLE NINJA_VERSION)
        string(REGEX REPLACE "\n$" "" NINJA_VERSION "${NINJA_VERSION}")
        set(GENERATOR_PATH "${NINJA_PATH}" CACHE INTERNAL "" FORCE)
        set(BUILD_TOOL_VERSION "${NINJA_VERSION}" CACHE INTERNAL "" FORCE)
        set(CMAKE_GENERATOR "Ninja" CACHE INTERNAL "" FORCE)
    endif()
endif()
