## Copyright 2009-2012 Myhailo Danylenko

# This file is part of mcabber-lua.

#

# mcabber-lua is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

cmake_minimum_required(VERSION 2.6)

project(lua C)

set(PROJECT_VERSION "0.0.3")

## User options

option(DEBUG                 "Enable debugging output"                                                           ON)

option(WANT_LUA52            "Use lua 5.2 instead of 5.1"                                                       OFF)

option(ENABLE_LUA_ALIAS      "Enable aliasing command '/lua' to corresponding '/lua5.x' at module loading time"  ON)

option(LLM_CONNECTION_ENABLE "Enable exposing of mcabber loudmouth connection to lua"                            ON)

option(LLM_LOG_HANDLER       "Enable registration of log messages handler for lua-loudmouth library's messages"  ON)

set(ML_SOURCE_PRIORITY G_PRIORITY_HIGH_IDLE CACHE STRING "Glib event source priority for timeout and bgread")

set(ML_BGREAD_BUFFER   4096                 CACHE STRING "Background pipe reading buffer size")

set(OPT_MLUA_RC        "lua_init_filename"  CACHE STRING "Mcabber option name to specify lua initialization file")

set(OPT_MLUA_LM_DEBUG  "lua_lm_debug"       CACHE STRING "Mcabber option name to enable/disable lua logging of LM messages")

## Gather information about system

find_package(PkgConfig REQUIRED)

if(NOT WANT_LUA52)

	find_package(Lua51)

endif()

if(WANT_LUA52 OR NOT LUA51_FOUND)

	pkg_check_modules(LUA REQUIRED lua5.2)

	set(LUA_VERSION "5.2")

	set(HAVE_LUA52  "1")

else()

	set(LUA_VERSION "5.1")

	set(LUA_INCLUDE_DIRS ${LUA_INCLUDE_DIR})

endif()

string(REPLACE "." "" LUA_MODULENAME "lua${LUA_VERSION}")

pkg_check_modules(GLIB REQUIRED glib-2.0)

pkg_check_modules(GMODULE REQUIRED gmodule-2.0)

pkg_check_modules(MCABBER REQUIRED mcabber)

find_program(DOCGEN_EXECUTABLE NAMES docgen.pl docgen DOC "Docgen documentation generator script (optional)")

include(CheckCSourceCompiles)

set(CMAKE_REQUIRED_INCLUDES ${MCABBER_INCLUDE_DIRS})

set(CMAKE_REQUIRED_LIBRARIES ${MCABBER_LIBRARIES})

set(CMAKE_REQUIRED_FLAGS ${MCABBER_LDFLAGS} ${MCABBER_CFLAGS})

check_c_source_compiles("

	#include <glib.h>

	#include <mcabber/api.h>

	#ifdef MCABBER_API_HAVE_COMPL_FLAGS

	int main (void) { return 0; }

	#endif

	" HAVE_MCABBER_COMPLETION_FLAGS)

link_directories(${GLIB_LIBRARY_DIRS}

				 ${GMODULE_LIBRARY_DIRS}

				 ${MCABBER_LIBRARY_DIRS})

## Define targets

add_library(lua MODULE lua.c util.c)

get_target_property(lua_SOURCES lua SOURCES)

## Set up compiler

configure_file(config.h.in config.h ESCAPE_QUOTES)

include_directories(SYSTEM ${LUA_INCLUDE_DIRS}

					${GLIB_INCLUDE_DIRS}

					${GMODULE_INCLUDE_DIRS}

					${MCABBER_INCLUDE_DIRS})

target_link_libraries(lua ${LUA_LIBRARIES}

					  ${GLIB_LIBRARIES}

					  ${GMODULE_LIBRARIES}

					  ${MCABBER_LIBRARRIES})

include_directories(${lua_SOURCE_DIR}

					${lua_BINARY_DIR})

set_target_properties(lua PROPERTIES COMPILE_FLAGS "-Wall" OUTPUT_NAME "${LUA_MODULENAME}")

## Extra targets

if(DOCGEN_EXECUTABLE)

	add_custom_command(OUTPUT ${lua_BINARY_DIR}/lua.html      COMMAND ${DOCGEN_EXECUTABLE} -f html -t "Documentation for Lua module for MCabber" -o ${lua_BINARY_DIR}/lua.html      -- ${lua_SOURCES} DEPENDS ${DOCGEN_EXECUTABLE} ${lua_SOURCES} WORKING_DIRECTORY ${lua_SOURCE_DIR})

	add_custom_target(doc    ALL DEPENDS ${lua_BINARY_DIR}/lua.html)

	add_custom_command(OUTPUT ${lua_SOURCE_DIR}/docs/api.mdwn COMMAND ${DOCGEN_EXECUTABLE} -f mdwn -t "Documentation for Lua module for MCabber" -o ${lua_SOURCE_DIR}/docs/api.mdwn -- ${lua_SOURCES} DEPENDS ${DOCGEN_EXECUTABLE} ${lua_SOURCES} WORKING_DIRECTORY ${lua_SOURCE_DIR})

	add_custom_target(update_api DEPENDS ${lua_SOURCE_DIR}/docs/api.mdwn)

endif()

## Packaging information

set(CPACK_PACKAGE_NAME                mcabber-mod-${LUA_MODULENAME})

set(CPACK_PACKAGE_VERSION             ${PROJECT_VERSION})

set(CPACK_PACKAGE_VENDOR              "IsBear")

set(CPACK_PACKAGE_CONTACT             "Myhailo Danylenko <isbear@ukrpost.net>")

set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Mcabber module for lua ${LUA_VERSION} scripting")

set(CPACK_PACKAGE_DESCRIPTION_FILE    ${lua_SOURCE_DIR}/README)

set(CPACK_RESOURCE_FILE_LICENSE       ${lua_SOURCE_DIR}/COPYING)

set(CPACK_RESOURCE_FILE_README        ${lua_SOURCE_DIR}/README)

set(CPACK_RESOURCE_FILE_WELCOME       ${lua_SOURCE_DIR}/README)

set(CPACK_SOURCE_GENERATOR TBZ2)

set(CPACK_GENERATOR                   DEB CACHE STRING "Binary package generator, eg DEB, RPM, TGZ, NSIS...")

# XXX

set(CPACK_DEBIAN_PACKAGE_DEPENDS      "libc6, liblua${LUA_VERSION}-0, libglib2.0-0")

set(CPACK_DEBIAN_PACKAGE_RECOMMENDS   "mcabber")

set(CPACK_DEBIAN_PACKAGE_SUGGESTS     "lua${LUA_VERSION}-posix, lua${LUA_VERSION}-base64, lua${LUA_VERSION}-sha1")

set(CPACK_DEBIAN_PACKAGE_SECTION      libs)

find_program(DPKG_EXECUTABLE dpkg DOC "Path to dpkg (optional, to detect architecture)")

if(DPKG_EXECUTABLE)

	execute_process(COMMAND ${DPKG_EXECUTABLE} --print-architecture OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE OUTPUT_STRIP_TRAILING_WHITESPACE)

else()

	set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE i386 CACHE STRING "Architecture of package")

endif()

set(CPACK_PACKAGE_FILE_NAME           "${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}")

# XXX: Set package name directly to get rid of -Sources?

set(CPACK_SOURCE_IGNORE_FILES         "/\\\\..*;\\\\.swp;~$;/build/;\\\\.tar\\\\.;\\\\.deb;\\\\.so")

include(CPack)

if(HAVE_MCABBER_COMPLETION_FLAGS)

	set(AVV_COMPL_VERSION "compl:4")

else()

	set(AVV_COMPL_VERSION "compl:3")

endif()

configure_file(lua.avv.in ${LUA_MODULENAME}.avv)

## Set up installer

install(TARGETS   lua                           DESTINATION lib/mcabber)

if(DOCGEN_EXECUTABLE)

	install(FILES ${lua_BINARY_DIR}/lua.html    DESTINATION share/doc/${CPACK_PACKAGE_NAME})

endif()

install(DIRECTORY examples                      DESTINATION share/doc/${CPACK_PACKAGE_NAME} PATTERN "*~" EXCLUDE)

install(FILES     docs/readme.mdwn docs/todo.mdwn COPYING DESTINATION share/doc/${CPACK_PACKAGE_NAME})

install(FILES     help/en/hlp_lua.txt           DESTINATION share/mcabber RENAME hlp_lua${LUA_VERSION}.txt) # XXX localizations/other help

install(FILES     ${PROJECT_BINARY_DIR}/${LUA_MODULENAME}.avv DESTINATION share/mcabber/avv/modules RENAME ${LUA_MODULENAME})

## The End ## vim: se ts=4 sw=4: ##