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				https://github.com/neovim/neovim.git
				synced 2025-11-04 09:44:31 +00:00 
			
		
		
		
	This is in preparation for the next step, which is to find a suitable lua interpreter, rather than just erroring when an interpreter is found but doesn't have the necessary dependencies. Helped-by: John Szakmeister <john@szakmeister.net>
		
			
				
	
	
		
			39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
#
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# Functions to help checking for a Lua interpreter
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#
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# Check if a module is available in Lua
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function(check_lua_module LUA_PRG_PATH MODULE RESULT_VAR)
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  execute_process(COMMAND ${LUA_PRG_PATH} -e "require('${MODULE}')"
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    RESULT_VARIABLE module_missing
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    ERROR_QUIET)
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  if(module_missing)
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    message(STATUS
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      "[${LUA_PRG_PATH}] The '${MODULE}' lua package is required for building Neovim")
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    set(${RESULT_VAR} False PARENT_SCOPE)
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  else()
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    set(${RESULT_VAR} True PARENT_SCOPE)
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  endif()
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endfunction()
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# Check Lua interpreter for dependencies
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function(check_lua_deps LUA_PRG_PATH MODULES RESULT_VAR)
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  # Check if the lua interpreter at the given path
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  # satisfies all Neovim dependencies
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  message(STATUS "Checking Lua interpreter ${LUA_PRG_PATH}")
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  if(NOT EXISTS ${LUA_PRG_PATH})
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    message(STATUS
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      "[${LUA_PRG_PATH}] file not found")
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  endif()
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  foreach(module ${MODULES})
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    check_lua_module(${LUA_PRG_PATH} ${module} has_module)
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    if(NOT has_module)
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      set(${RESULT_VAR} False PARENT_SCOPE)
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      return()
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    endif()
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  endforeach()
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  set(${RESULT_VAR} True PARENT_SCOPE)
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endfunction()
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