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# Luarocks recipe. Luarocks is only required when building Neovim, when
# cross compiling we still want to build for the HOST system, whenever
# writing a recipe that is meant for cross-compile, use the HOSTDEPS_* variables
# instead of DEPS_* - check the main CMakeLists.txt for a list.
#
# NOTE: LuaRocks rocks need to "DEPENDS" on the previous module, because
# running luarocks in parallel will break, e.g. when some rocks have
# the same dependency..
option(USE_BUNDLED_BUSTED "Use the bundled version of busted to run tests." ON)
# BuildLuarocks(CONFIGURE_COMMAND ... BUILD_COMMAND ... INSTALL_COMMAND ...)
# Reusable function to build luarocks, wraps ExternalProject_Add.
# Failing to pass a command argument will result in no command being run
function(BuildLuarocks)
cmake_parse_arguments(_luarocks
""
""
"CONFIGURE_COMMAND;BUILD_COMMAND;INSTALL_COMMAND"
${ARGN})
if(NOT _luarocks_CONFIGURE_COMMAND AND NOT _luarocks_BUILD_COMMAND
AND NOT _luarocks_INSTALL_COMMAND)
message(FATAL_ERROR "Must pass at least one of CONFIGURE_COMMAND, BUILD_COMMAND, INSTALL_COMMAND")
endif()
ExternalProject_Add(luarocks
PREFIX ${DEPS_BUILD_DIR}
URL ${LUAROCKS_URL}
DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/luarocks
DOWNLOAD_COMMAND ${CMAKE_COMMAND}
-DPREFIX=${DEPS_BUILD_DIR}
-DDOWNLOAD_DIR=${DEPS_DOWNLOAD_DIR}/luarocks
-DURL=${LUAROCKS_URL}
-DEXPECTED_SHA256=${LUAROCKS_SHA256}
-DTARGET=luarocks
-DUSE_EXISTING_SRC_DIR=${USE_EXISTING_SRC_DIR}
-P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
BUILD_IN_SOURCE 1
CONFIGURE_COMMAND "${_luarocks_CONFIGURE_COMMAND}"
BUILD_COMMAND "${_luarocks_BUILD_COMMAND}"
INSTALL_COMMAND "${_luarocks_INSTALL_COMMAND}")
endfunction()
# The luarocks binary location
set(LUAROCKS_BINARY ${HOSTDEPS_BIN_DIR}/luarocks)
# Arguments for calls to 'luarocks build'
if(NOT MSVC)
# In MSVC don't pass the compiler/linker to luarocks, the bundled
# version already knows, and passing them here breaks the build
set(LUAROCKS_BUILDARGS CC=${HOSTDEPS_C_COMPILER} LD=${HOSTDEPS_C_COMPILER})
endif()
# Lua version, used with rocks directories.
# Defaults to 5.1 for bundled LuaJIT/Lua.
set(LUA_VERSION "5.1")
if(UNIX)
if(USE_BUNDLED_LUAJIT)
list(APPEND LUAROCKS_OPTS
--with-lua=${HOSTDEPS_INSTALL_DIR}
--with-lua-include=${HOSTDEPS_INSTALL_DIR}/include/luajit-2.1
--with-lua-interpreter=luajit)
elseif(USE_BUNDLED_LUA)
list(APPEND LUAROCKS_OPTS
--with-lua=${HOSTDEPS_INSTALL_DIR})
else()
find_package(LuaJit)
if(LUAJIT_FOUND)
list(APPEND LUAROCKS_OPTS
--with-lua-include=${LUAJIT_INCLUDE_DIRS}
--with-lua-interpreter=luajit)
endif()
# Get LUA_VERSION used with rocks output.
if(LUAJIT_FOUND)
set(LUA_EXE "luajit")
else()
set(LUA_EXE "lua")
endif()
execute_process(
COMMAND ${LUA_EXE} -e "print(string.sub(_VERSION, 5))"
OUTPUT_VARIABLE LUA_VERSION
ERROR_VARIABLE ERR
RESULT_VARIABLE RES)
if(NOT RES EQUAL 0)
message(FATAL_ERROR "Could not get LUA_VERSION with ${LUA_EXE}: ${ERR}")
endif()
endif()
BuildLuarocks(
CONFIGURE_COMMAND ${DEPS_BUILD_DIR}/src/luarocks/configure
--prefix=${HOSTDEPS_INSTALL_DIR} --force-config ${LUAROCKS_OPTS}
INSTALL_COMMAND ${MAKE_PRG} -j1 bootstrap)
elseif(MSVC OR MINGW)
if(MINGW)
set(COMPILER_FLAG /MW)
elseif(MSVC)
set(COMPILER_FLAG /MSVC)
endif()
# Ignore USE_BUNDLED_LUAJIT - always ON for native Win32
BuildLuarocks(INSTALL_COMMAND install.bat /FORCECONFIG /NOREG /NOADMIN /Q /F
/LUA ${DEPS_INSTALL_DIR}
/LIB ${DEPS_LIB_DIR}
/BIN ${DEPS_BIN_DIR}
/INC ${DEPS_INSTALL_DIR}/include/luajit-2.1
/P ${DEPS_INSTALL_DIR}/luarocks /TREE ${DEPS_INSTALL_DIR}
/SCRIPTS ${DEPS_BIN_DIR}
/CMOD ${DEPS_BIN_DIR}
${COMPILER_FLAG}
/LUAMOD ${DEPS_BIN_DIR}/lua)
set(LUAROCKS_BINARY ${DEPS_INSTALL_DIR}/luarocks/luarocks.bat)
else()
message(FATAL_ERROR "Trying to build luarocks in an unsupported system ${CMAKE_SYSTEM_NAME}/${CMAKE_C_COMPILER_ID}")
endif()
list(APPEND THIRD_PARTY_DEPS luarocks)
if(USE_BUNDLED_LUAJIT)
add_dependencies(luarocks luajit)
elseif(USE_BUNDLED_LUA)
add_dependencies(luarocks lua)
endif()
set(ROCKS_DIR ${HOSTDEPS_LIB_DIR}/luarocks/rocks-${LUA_VERSION})
# mpack
add_custom_command(OUTPUT ${ROCKS_DIR}/mpack
COMMAND ${LUAROCKS_BINARY}
ARGS build mpack 1.0.8-0 ${LUAROCKS_BUILDARGS}
DEPENDS luarocks)
add_custom_target(mpack DEPENDS ${ROCKS_DIR}/mpack)
list(APPEND THIRD_PARTY_DEPS mpack)
# lpeg
add_custom_command(OUTPUT ${ROCKS_DIR}/lpeg
COMMAND ${LUAROCKS_BINARY}
ARGS build lpeg 1.0.2-1 ${LUAROCKS_BUILDARGS}
DEPENDS mpack)
add_custom_target(lpeg DEPENDS ${ROCKS_DIR}/lpeg)
list(APPEND THIRD_PARTY_DEPS lpeg)
if((NOT USE_BUNDLED_LUAJIT) AND USE_BUNDLED_LUA)
# luabitop
add_custom_command(OUTPUT ${ROCKS_DIR}/luabitop
COMMAND ${LUAROCKS_BINARY}
ARGS build luabitop 1.0.2-3 ${LUAROCKS_BUILDARGS}
DEPENDS lpeg)
add_custom_target(luabitop DEPENDS ${ROCKS_DIR}/luabitop)
list(APPEND THIRD_PARTY_DEPS luabitop)
endif()
if(USE_BUNDLED_BUSTED)
if((NOT USE_BUNDLED_LUAJIT) AND USE_BUNDLED_LUA)
set(PENLIGHT_DEPENDS luabitop)
else()
set(PENLIGHT_DEPENDS lpeg)
endif()
# penlight
add_custom_command(OUTPUT ${ROCKS_DIR}/penlight
COMMAND ${LUAROCKS_BINARY}
ARGS build penlight 1.5.4-1 ${LUAROCKS_BUILDARGS}
DEPENDS ${PENLIGHT_DEPENDS})
add_custom_target(penlight DEPENDS ${ROCKS_DIR}/penlight)
# busted
if(WIN32)
set(BUSTED_EXE "${HOSTDEPS_BIN_DIR}/busted.bat")
set(LUACHECK_EXE "${HOSTDEPS_BIN_DIR}/luacheck.bat")
else()
set(BUSTED_EXE "${HOSTDEPS_BIN_DIR}/busted")
set(LUACHECK_EXE "${HOSTDEPS_BIN_DIR}/luacheck")
endif()
add_custom_command(OUTPUT ${BUSTED_EXE}
COMMAND ${LUAROCKS_BINARY}
ARGS build busted 2.0.0 ${LUAROCKS_BUILDARGS}
DEPENDS penlight)
add_custom_target(busted DEPENDS ${BUSTED_EXE})
# luacheck
add_custom_command(OUTPUT ${LUACHECK_EXE}
COMMAND ${LUAROCKS_BINARY}
ARGS build luacheck 0.23.0-1 ${LUAROCKS_BUILDARGS}
DEPENDS busted)
add_custom_target(luacheck DEPENDS ${LUACHECK_EXE})
# luv
set(LUV_DEPS luacheck)
if(USE_BUNDLED_LUV)
set(NVIM_CLIENT_DEPS luacheck luv-static lua-compat-5.3)
else()
add_custom_command(OUTPUT ${ROCKS_DIR}/luv
COMMAND ${LUAROCKS_BINARY}
ARGS build luv ${LUV_VERSION} ${LUAROCKS_BUILDARGS}
DEPENDS luacheck)
add_custom_target(luv DEPENDS ${ROCKS_DIR}/luv)
set(NVIM_CLIENT_DEPS luv)
endif()
# nvim-client: https://github.com/neovim/lua-client
add_custom_command(OUTPUT ${ROCKS_DIR}/nvim-client
COMMAND ${LUAROCKS_BINARY}
ARGS build nvim-client 0.2.4-1 ${LUAROCKS_BUILDARGS}
DEPENDS ${NVIM_CLIENT_DEPS})
add_custom_target(nvim-client DEPENDS ${ROCKS_DIR}/nvim-client)
list(APPEND THIRD_PARTY_DEPS busted luacheck nvim-client)
endif()
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