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# SPDX-License-Identifier: Apache-2.0
#
# Copyright (C) 2023 The Falco Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
#
# The following file was originally developed in the sysdig cli
# project and then contributed to the falcosecurity/libs project
# (https://github.com/draios/sysdig/commit/abf90f39f8e5ea6eb4276cc3f980dbd878816ecd
# with the #1737 PR). At the end, given its removal from the
# falcosecurity/libs project, has been reintroduced to the
# draios/sysdig project.
#
option(USE_BUNDLED_LUAJIT "Enable building of the bundled LuaJIT" ${USE_BUNDLED_DEPS})
if(LUAJIT_INCLUDE)
# we already have luajit
elseif(NOT USE_BUNDLED_LUAJIT)
find_path(LUAJIT_INCLUDE luajit.h PATH_SUFFIXES luajit-2.0 luajit-2.1 luajit)
find_library(LUAJIT_LIB NAMES luajit luajit-5.1)
if(LUAJIT_INCLUDE AND LUAJIT_LIB)
message(STATUS "Found LuaJIT: include: ${LUAJIT_INCLUDE}, lib: ${LUAJIT_LIB}")
else()
# alternatively try stock Lua
find_package(Lua REQUIRED)
set(LUAJIT_LIB ${LUA_LIBRARY})
set(LUAJIT_INCLUDE ${LUA_INCLUDE_DIR})
endif()
else()
set(LUAJIT_SRC "${PROJECT_BINARY_DIR}/luajit-prefix/src/luajit/src")
set(LUAJIT_INCLUDE "${LUAJIT_SRC}/")
if(NOT WIN32)
set(LUAJIT_LIB "${LUAJIT_SRC}/libluajit.a")
else()
set(LUAJIT_LIB "${LUAJIT_SRC}/lua51.lib")
endif()
if(NOT TARGET luajit)
message(STATUS "Using bundled LuaJIT in '${LUAJIT_SRC}'")
if(NOT WIN32)
if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "ppc64le")
ExternalProject_Add(luajit
PREFIX "${PROJECT_BINARY_DIR}/luajit-prefix"
GIT_REPOSITORY "https://github.com/moonjit/moonjit"
GIT_TAG "2.1.2"
CONFIGURE_COMMAND ""
BUILD_COMMAND make
BUILD_IN_SOURCE 1
BUILD_BYPRODUCTS ${LUAJIT_LIB}
UPDATE_COMMAND ""
INSTALL_COMMAND "")
elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "s390x")
ExternalProject_Add(luajit
PREFIX "${PROJECT_BINARY_DIR}/luajit-prefix"
GIT_REPOSITORY "https://github.com/linux-on-ibm-z/LuaJIT.git"
GIT_TAG "v2.1"
CONFIGURE_COMMAND ""
BUILD_COMMAND make
BUILD_IN_SOURCE 1
BUILD_BYPRODUCTS ${LUAJIT_LIB}
UPDATE_COMMAND ""
INSTALL_COMMAND "")
elseif(APPLE)
ExternalProject_Add(luajit
PREFIX "${PROJECT_BINARY_DIR}/luajit-prefix"
URL "https://github.com/LuaJIT/LuaJIT/archive/8635cbabf3094c4d8bd00578c7d812bea87bb2d3.tar.gz"
URL_HASH "SHA256=835035b244c3dc3d3d19bdd5ac623af90b84207e6330fb78f9fa51d6e200d760"
CONFIGURE_COMMAND ""
BUILD_COMMAND make MACOSX_DEPLOYMENT_TARGET=10.14
BUILD_IN_SOURCE 1
BUILD_BYPRODUCTS ${LUAJIT_LIB}
INSTALL_COMMAND "")
else()
ExternalProject_Add(luajit
PREFIX "${PROJECT_BINARY_DIR}/luajit-prefix"
GIT_REPOSITORY "https://github.com/LuaJIT/LuaJIT"
GIT_TAG "f3c856915b4ce7ccd24341e8ac73e8a9fd934171"
CONFIGURE_COMMAND ""
BUILD_COMMAND make
BUILD_IN_SOURCE 1
BUILD_BYPRODUCTS ${LUAJIT_LIB}
UPDATE_COMMAND ""
INSTALL_COMMAND "")
endif()
install(FILES "${LUAJIT_LIB}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/${LIBS_PACKAGE_NAME}"
COMPONENT "libs-deps")
install(DIRECTORY "${LUAJIT_INCLUDE}" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${LIBS_PACKAGE_NAME}"
COMPONENT "libs-deps"
FILES_MATCHING PATTERN "*.h")
else()
ExternalProject_Add(luajit
PREFIX "${PROJECT_BINARY_DIR}/luajit-prefix"
GIT_REPOSITORY "https://github.com/LuaJIT/LuaJIT"
GIT_TAG "f3c856915b4ce7ccd24341e8ac73e8a9fd934171"
CONFIGURE_COMMAND ""
BUILD_COMMAND msvcbuild.bat static
BUILD_BYPRODUCTS ${LUAJIT_LIB}
BINARY_DIR "${LUAJIT_SRC}"
INSTALL_COMMAND "")
endif()
endif()
endif()
if(NOT TARGET luajit)
add_custom_target(luajit)
endif()
include_directories("${LUAJIT_INCLUDE}")
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