file(READ build.ninja build_ninja) if("${build_ninja}" MATCHES [====[ # Unknown Build Time Dependencies. # Tell Ninja that they may appear as side effects of build rules # otherwise ordered by order-only dependencies. ((build [^:]*: phony[^\n]* )*)# ========]====]) set(phony "${CMAKE_MATCH_1}") if(NOT phony) message(STATUS "build.ninja correctly does not have extra phony rules") else() string(REGEX REPLACE "\n+$" "" phony "${phony}") string(REGEX REPLACE "\n" "\n " phony " ${phony}") message(FATAL_ERROR "build.ninja incorrectly has extra phony rules:\n" "${phony}") endif() else() message(FATAL_ERROR "build.ninja is incorrectly missing expected block") endif()