From a1debba2689fc32c6772d7e79a30cfc0bdb84d15 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 28 Nov 2016 19:01:28 +0000
Subject: [PATCH] Revert "cmake: Use Find Modules to find Luajit and Lua"

---
 CMakeLists.txt                 | 162 ++++++++++++++++++++++++++++-----
 cmake/Modules/FindLuaJIT.cmake |  71 ---------------
 2 files changed, 139 insertions(+), 94 deletions(-)
 delete mode 100644 cmake/Modules/FindLuaJIT.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91a245c6d..9dbbd7219 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,9 +63,6 @@ OPTION(ENABLE_PCRE2        "Enable pcre2 instead of pcre  [default: OFF]"
 OPTION(ENABLE_JEMALLOC     "Build rspamd with jemalloc allocator  [default: OFF]" OFF)
 OPTION(ENABLE_COVERAGE     "Build rspamd with code coverage options [default: OFF]" OFF)
 
-# Additonal Modules
-set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
-
 INCLUDE(FindArch.cmake)
 TARGET_ARCHITECTURE(ARCH)
 
@@ -202,6 +199,119 @@ FIND_PACKAGE(Perl REQUIRED)
 
 ############################# MACRO SECTION #############################################
 
+# Find lua installation
+MACRO(FindLua)
+	# Find lua libraries
+	UNSET(LUA_INCLUDE_DIR CACHE)
+	UNSET(LUA_LIBRARY CACHE)
+	CMAKE_PARSE_ARGUMENTS(LUA "" "VERSION_MAJOR;VERSION_MINOR;ROOT" "" ${ARGN})
+
+	IF(NOT LUA_VERSION_MAJOR OR NOT LUA_VERSION_MINOR)
+		MESSAGE(FATAL_ERROR "Invalid FindLua invocation: ${ARGN}")
+	ENDIF()
+
+	IF(ENABLE_LUAJIT MATCHES "ON")
+		MESSAGE(STATUS "Check for luajit ${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}")
+		FIND_PATH(LUA_INCLUDE_DIR luajit.h
+		  HINTS
+		  "${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
+		  $ENV{LUA_DIR}
+		  PATH_SUFFIXES "include/luajit-2.0"
+				"include/luajit-2.1"
+						"include/luajit${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+						"include/luajit${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+						"include/luajit-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+						"include/luajit"
+						"include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+						"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+						"include/lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+						include/lua include
+		  PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
+		)
+		FIND_LIBRARY(LUA_LIBRARY
+			NAMES luajit
+				"luajit-2.0"
+				"luajit2.0"
+				"luajit${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+				"luajit${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+				"luajit-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+			HINTS
+				"${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
+				$ENV{LUA_DIR}
+			PATH_SUFFIXES lib64 lib
+			PATHS ${RSPAMD_DEFAULT_LIBRARY_PATHS}
+			DOC "Lua library"
+		)
+
+		IF(NOT LUA_LIBRARY OR NOT LUA_INCLUDE_DIR)
+			MESSAGE(STATUS "Fallback from luajit to plain lua")
+			SET(ENABLE_LUAJIT "OFF")
+			MESSAGE(STATUS "Check for lua ${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}")
+			FIND_PATH(LUA_INCLUDE_DIR lua.h
+			  HINTS
+			  "${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
+			  $ENV{LUA_DIR}
+			  PATH_SUFFIXES "include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+							"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+							"include/lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+							include/lua include
+			  PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
+			)
+			FIND_LIBRARY(LUA_LIBRARY
+				NAMES lua
+					"lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+					"lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+					"lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+				HINTS
+					"${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
+					$ENV{LUA_DIR}
+				PATH_SUFFIXES lib64 lib
+				PATHS ${RSPAMD_DEFAULT_LIBRARY_PATHS}
+				DOC "Lua library"
+			)
+		ELSE()
+			SET(WITH_LUAJIT 1)
+		ENDIF()
+	ELSE(ENABLE_LUAJIT MATCHES "ON")
+		MESSAGE(STATUS "Check for lua ${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}")
+		FIND_PATH(LUA_INCLUDE_DIR lua.h
+		  HINTS
+		  "${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
+		  $ENV{LUA_DIR}
+		  PATH_SUFFIXES "include/lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+						"include/lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+						"include/lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+						include/lua include
+		  PATHS ${RSPAMD_DEFAULT_INCLUDE_PATHS}
+		)
+		FIND_LIBRARY(LUA_LIBRARY
+			NAMES lua
+				"lua${LUA_VERSION_MAJOR}${LUA_VERSION_MINOR}"
+				"lua${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+				"lua-${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}"
+			HINTS
+				"${RSPAMD_SEARCH_PATH}" "${LUA_ROOT}"
+				$ENV{LUA_DIR}
+			PATH_SUFFIXES lib64 lib
+			PATHS ${RSPAMD_DEFAULT_LIBRARY_PATHS}
+			DOC "Lua library"
+		)
+	ENDIF(ENABLE_LUAJIT MATCHES "ON")
+
+	IF(LUA_LIBRARY AND LUA_INCLUDE_DIR)
+		SET(LUA_FOUND 1)
+		IF(NOT LUA_VERSION_MAJOR OR NOT LUA_VERSION_MINOR)
+			SET(LUA_VERSION_MAJOR ${LUA_VERSION_MAJOR})
+			SET(LUA_VERSION_MINOR ${LUA_VERSION_MINOR})
+		ENDIF(NOT LUA_VERSION_MAJOR OR NOT LUA_VERSION_MINOR)
+		IF(ENABLE_LUAJIT MATCHES "ON")
+			MESSAGE(STATUS "Found luajit ${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}")
+		ELSE(ENABLE_LUAJIT MATCHES "ON")
+			MESSAGE(STATUS "Found lua ${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}")
+		ENDIF(ENABLE_LUAJIT MATCHES "ON")
+	ENDIF(LUA_LIBRARY AND LUA_INCLUDE_DIR)
+ENDMACRO()
+
 FUNCTION(INSTALL_IF_NOT_EXISTS src dest destname suffix)
   IF(NOT IS_ABSOLUTE "${src}")
 	SET(src "${CMAKE_CURRENT_SOURCE_DIR}/${src}")
@@ -517,13 +627,31 @@ ENDIF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 
 # Now find libraries and headers
 
-if (ENABLE_LUAJIT)
-    find_package(LuaJIT 2.0 REQUIRED)
-endif()
-
-if (NOT LUAJIT_FOUND)
-    find_package(Lua 5.1 REQUIRED)
-endif()
+IF(ENABLE_LUAJIT MATCHES "ON")
+	#ProcessPackage(LUAJIT luajit)
+	SET(WITH_LUA 1)
+	FindLua(VERSION_MAJOR "5" VERSION_MINOR "1" ROOT "${LUA_ROOT}")
+	IF(NOT LUA_FOUND)
+		MESSAGE(FATAL_ERROR "Lua not found, lua support is required")
+	ELSE(NOT LUA_FOUND)
+		SET(WITH_LUA 1)
+		INCLUDE_DIRECTORIES("${LUA_INCLUDE_DIR}")
+	ENDIF(NOT LUA_FOUND)
+ELSE(ENABLE_LUAJIT MATCHES "ON")
+	FindLua(VERSION_MAJOR "5" VERSION_MINOR "3" ROOT "${LUA_ROOT}")
+	IF(NOT LUA_FOUND)
+		FindLua(VERSION_MAJOR "5" VERSION_MINOR "2" ROOT "${LUA_ROOT}")
+		IF(NOT LUA_FOUND)
+				FindLua(VERSION_MAJOR "5" VERSION_MINOR "1" ROOT "${LUA_ROOT}")
+		ENDIF(NOT LUA_FOUND)
+	ENDIF(NOT LUA_FOUND)
+	IF(NOT LUA_FOUND)
+			MESSAGE(FATAL_ERROR "Lua not found, lua support is required")
+	ELSE(NOT LUA_FOUND)
+			SET(WITH_LUA 1)
+			INCLUDE_DIRECTORIES("${LUA_INCLUDE_DIR}")
+	ENDIF(NOT LUA_FOUND)
+ENDIF(ENABLE_LUAJIT MATCHES "ON")
 
 IF(ENABLE_JEMALLOC MATCHES "ON")
 	ProcessPackage(JEMALLOC LIBRARY jemalloc INCLUDE jemalloc.h INCLUDE_SUFFIXES include/jemalloc
@@ -1077,20 +1205,8 @@ IF(WITH_DB)
 	LIST(APPEND RSPAMD_REQUIRED_LIBRARIES db)
 ENDIF(WITH_DB)
 
-if (LUAJIT_FOUND)
-    # config.h
-    set(WITH_LUAJIT 1)
-    set(WITH_LUA 1)
-
-    include_directories(${LUAJIT_INCLUDE_DIR})
-    list(APPEND RSPAMD_REQUIRED_LIBRARIES "${LUAJIT_LIBRARY}")
-else()
-    # config.h
-    set(WITH_LUA 1)
 
-    include_directories(${LUA_INCLUDE_DIR})
-    list(APPEND RSPAMD_REQUIRED_LIBRARIES "${LUA_LIBRARY}")
-endif()
+LIST(APPEND RSPAMD_REQUIRED_LIBRARIES "${LUA_LIBRARY}")
 
 IF(GLIB_COMPAT)
 	LIST(APPEND RSPAMD_REQUIRED_LIBRARIES glibadditions)
diff --git a/cmake/Modules/FindLuaJIT.cmake b/cmake/Modules/FindLuaJIT.cmake
deleted file mode 100644
index 432aabb12..000000000
--- a/cmake/Modules/FindLuaJIT.cmake
+++ /dev/null
@@ -1,71 +0,0 @@
-# - Try to find LuaJIT
-# Once done this will define
-#
-#  LUAJIT_FOUND - system has LuaJIT
-#  LUAJIT_INCLUDE_DIR - the LuaJIT include directory
-#  LUAJIT_LIBRARIES - Link these to use LuaJIT
-#  LUAJIT_DEFINITIONS - Compiler switches required for using LuaJIT
-#
-#=============================================================================
-#  Copyright (c) 2016 Andrea Schneider <asn@cryptomilk.org>
-#
-#  Distributed under the OSI-approved BSD License (the "License");
-#  see accompanying file Copyright.txt for details.
-#
-#  This software is distributed WITHOUT ANY WARRANTY; without even the
-#  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-#  See the License for more information.
-#=============================================================================
-#
-
-if (UNIX)
-  find_package(PkgConfig)
-  if (PKG_CONFIG_FOUND)
-    pkg_check_modules(_LUAJIT luajit)
-  endif (PKG_CONFIG_FOUND)
-endif (UNIX)
-
-set(_LUAJIT_ROOT_HINTS
-    ${RSPAMD_SEARCH_PATH}
-    ${LUAJIT_ROOT_DIR}
-    ENV LUAJIT_ROOT_DIR
-)
-
-find_path(LUAJIT_INCLUDE_DIR
-    NAMES
-        luajit.h
-    PATHS
-        ${_LUAJIT_INCLUDEDIR}
-    HINTS
-        ${_LUAJIT_ROOT_HINTS}
-    PATH_SUFFIXES
-        luajit-5_1-2.0
-        luajit-5_2-2.0
-        luajit-5_3-2.0
-)
-
-find_library(LUAJIT_LIBRARY
-    NAMES
-        luajit
-        luajit-5.1
-        luajit-5.2
-        luajit-5.3
-    HINTS
-        ${_LUAJIT_ROOT_HINTS}
-    PATHS
-        ${_LUAJIT_LIBDIR}
-)
-
-if (LUAJIT_LIBRARY)
-    set(LUAJIT_LIBRARIES
-        ${LUAJIT_LIBRARIES}
-        ${LUAJIT_LIBRARY}
-    )
-endif (LUAJIT_LIBRARY)
-
-include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(LuaJIT DEFAULT_MSG LUAJIT_LIBRARIES LUAJIT_INCLUDE_DIR)
-
-# show the LUAJIT_INCLUDE_DIR and LUAJIT_LIBRARIES variables only in the advanced view
-mark_as_advanced(LUAJIT_INCLUDE_DIR LUAJIT_LIBRARIES)
-
-- 
2.39.5