PreLoad.cmake

#
# Copyright (C) 2020 Assured Information Security, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL Windows)
    find_program(HYPERVISOR_NINJA "ninja")
    if(NOT HYPERVISOR_NINJA)
        message(FATAL_ERROR "Unable to find ninja")
    endif()
    set(CMAKE_GENERATOR "Ninja" CACHE INTERNAL "")
endif()

if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL Darwin)
    set(HAVE_FLAG_SEARCH_PATHS_FIRST 0 CACHE INTERNAL "")
endif()

if(NOT DEFINED CMAKE_C_COMPILER)
    if(CMAKE_HOST_SYSTEM_NAME STREQUAL Darwin)
        set(CMAKE_C_COMPILER llvm-clang CACHE INTERNAL "")
    else()
        set(CMAKE_C_COMPILER clang CACHE INTERNAL "")
    endif()
    find_program(CMAKE_C_COMPILER ${CMAKE_C_COMPILER})
    if(NOT CMAKE_C_COMPILER)
        message(FATAL_ERROR "Unable to find a default C++ compiler")
    endif()
endif()

if(NOT DEFINED CMAKE_CXX_COMPILER)
    if(CMAKE_HOST_SYSTEM_NAME STREQUAL Darwin)
        set(CMAKE_CXX_COMPILER llvm-clang++ CACHE INTERNAL "")
    else()
        set(CMAKE_CXX_COMPILER clang++ CACHE INTERNAL "")
    endif()
    find_program(CMAKE_CXX_COMPILER ${CMAKE_CXX_COMPILER})
    if(NOT CMAKE_CXX_COMPILER)
        message(FATAL_ERROR "Unable to find a default C++ compiler")
    endif()
endif()