# Resolve tools before project() performs its compiler and generator checks.
if(CMAKE_GENERATOR MATCHES "Makefiles|Ninja")
    foreach(language C CXX)
        if(language STREQUAL "C")
            set(names clang cc gcc)
        else()
            set(names clang++ c++ g++)
        endif()
        if(CMAKE_${language}_COMPILER)
            get_filename_component(requested "${CMAKE_${language}_COMPILER}" NAME)
            list(INSERT names 0 "${requested}")
        endif()
        cpsc_find_dependency(PROGRAM CMAKE_${language}_COMPILER NAMES ${names} REQUIRED)
        # project() would otherwise restore the previous path from this file.
        set(compiler_info "${CMAKE_BINARY_DIR}/CMakeFiles/${CMAKE_VERSION}/CMake${language}Compiler.cmake")
        if(EXISTS "${compiler_info}")
            file(STRINGS "${compiler_info}" previous
                REGEX "^set\\(CMAKE_${language}_COMPILER \"")
            string(REGEX REPLACE "^set\\(CMAKE_${language}_COMPILER \"([^\"]*)\"\\)$"
                "\\1" previous "${previous}")
            if(NOT previous STREQUAL CMAKE_${language}_COMPILER)
                file(REMOVE "${compiler_info}")
            endif()
        endif()
    endforeach()
endif()

if(CMAKE_GENERATOR MATCHES "Ninja")
    set(names ninja ninja-build)
elseif(CMAKE_GENERATOR STREQUAL "MinGW Makefiles")
    set(names mingw32-make)
elseif(CMAKE_GENERATOR MATCHES "NMake")
    set(names nmake)
elseif(CMAKE_GENERATOR STREQUAL "MSYS Makefiles")
    set(names make)
elseif(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
    set(names gmake make)
else()
    set(names)
endif()
if(names)
    cpsc_find_dependency(PROGRAM CMAKE_MAKE_PROGRAM NAMES ${names} REQUIRED)
endif()