neovim/cmake/LuaHelpers.cmake
2018-10-06 18:45:34 +02:00

38 lines
1.1 KiB
CMake

#
# Functions to help checking for a Lua interpreter
#
# Check if a module is available in Lua
function(check_lua_module LUA_PRG_PATH MODULE RESULT_VAR)
execute_process(COMMAND ${LUA_PRG_PATH} -l "${MODULE}" -e ""
RESULT_VARIABLE module_missing)
if(module_missing)
set(${RESULT_VAR} False PARENT_SCOPE)
else()
set(${RESULT_VAR} True PARENT_SCOPE)
endif()
endfunction()
# Check Lua interpreter for dependencies
function(check_lua_deps LUA_PRG_PATH MODULES RESULT_VAR)
# Check if the lua interpreter at the given path
# satisfies all Neovim dependencies
message(STATUS "Checking Lua interpreter: ${LUA_PRG_PATH}")
if(NOT EXISTS ${LUA_PRG_PATH})
message(STATUS
"[${LUA_PRG_PATH}] file not found")
endif()
foreach(module ${MODULES})
check_lua_module(${LUA_PRG_PATH} ${module} has_module)
if(NOT has_module)
message(STATUS
"[${LUA_PRG_PATH}] The '${module}' lua package is required for building Neovim")
set(${RESULT_VAR} False PARENT_SCOPE)
return()
endif()
endforeach()
set(${RESULT_VAR} True PARENT_SCOPE)
endfunction()