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6f0d3c0e77
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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