Build debian package using cpack if dpkg is available

Derive version from last tag and get name and email for package maintainer from user's git config if .git is available

CMakeLists.txt

@@ -5,9 +5,16 @@ option(USE_AUDIERE "use Audiere for sound" OFF)
 option(USE_FFMPEG "use ffmpeg for sound" OFF)
 option(USE_MPG123 "use mpg123 + libsndfile for sound" ON)
 
+find_program(DPKG_PROGRAM dpkg DOC "dpkg program of Debian-based systems")
+
 # Location of morrowind data files
-set(MORROWIND_DATA_FILES "data"
-    CACHE PATH "location of Morrowind data files")
+if(DPKG_PROGRAM)
+    set(MORROWIND_DATA_FILES "/usr/share/games/openmw/data/" CACHE PATH "location of Morrowind data files")
+    set(MORROWIND_RESOURCE_FILES "/usr/share/games/openmw/resources/" CACHE PATH "location of Morrowind data files")
+else()
+    set(MORROWIND_DATA_FILES "data" CACHE PATH "location of Morrowind data files")
+    set(MORROWIND_RESOURCE_FILES "resources" CACHE PATH "location of Morrowind data files")
+endif()
 
 if (WIN32)
     option(USE_DEBUG_CONSOLE "whether a debug console should be enabled for debug builds, if false debug output is redirected to Visual Studio output" ON)
@@ -303,6 +310,57 @@ set(CMAKE_CXX_FLAGS "-arch i386")
 
 endif (APPLE)
 
+
+if(DPKG_PROGRAM)
+    SET(CMAKE_INSTALL_PREFIX "/usr")
+
+    if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/.git")
+        exec_program("git" ${CMAKE_CURRENT_SOURCE_DIR} ARGS "describe" OUTPUT_VARIABLE GIT_VERSION )
+        STRING(REGEX REPLACE "openmw-" "" VERSION_STRING "${GIT_VERSION}")
+        exec_program("git" ARGS "config --get user.name" OUTPUT_VARIABLE GIT_NAME )
+        exec_program("git" ARGS "config --get user.email" OUTPUT_VARIABLE GIT_EMAIL)
+        set(PACKAGE_MAINTAINER "${GIT_NAME} <${GIT_EMAIL}>")
+    else()
+        #FIXME this should probably be read from some file like ${CMAKE_CURRENT_SOURCE_DIR}/VERSION or something that gets updated when changing version
+        set(VERSION_STRING "0.9.0")
+        set(PACKAGE_MAINTAINER "unknown")
+    endif()
+
+    #Install global configuration files
+    INSTALL(FILES "${OpenMW_BINARY_DIR}/openmw.cfg" DESTINATION "../etc/openmw/" PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ COMPONENT "openmw")
+    INSTALL(FILES "${OpenMW_BINARY_DIR}/plugins.cfg" DESTINATION "../etc/openmw/" PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ COMPONENT "openmw")
+
+    #Install resources
+    INSTALL(DIRECTORY "${OpenMW_BINARY_DIR}/resources" DESTINATION "share/games/openmw/" FILE_PERMISSIONS OWNER_READ GROUP_READ WORLD_READ COMPONENT "Resources")
+    INSTALL(DIRECTORY DESTINATION "share/games/openmw/data/" COMPONENT "Resources")
+
+    SET(CPACK_GENERATOR "DEB")
+    SET(CPACK_PACKAGE_NAME "openmw")
+    SET(CPACK_DEBIAN_PACKAGE_HOMEPAGE "http://openmw.com")
+    SET(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
+    SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "${PACKAGE_MAINTAINER}")
+    SET(CPACK_DEBIAN_PACKAGE_DESCRIPTION "A reimplementation of The Elder Scrolls III: Morrowind
+ OpenMW is a reimplementation of the Bethesda Game Studios game The Elder Scrolls III: Morrowind.
+ Data files from the original game is required to run it.")
+    SET(CPACK_DEBIAN_PACKAGE_NAME "openmw")
+    SET(CPACK_DEBIAN_PACKAGE_VERSION "${VERSION_STRING}")
+    SET(CPACK_PACKAGE_EXECUTABLES "openmw;OpenMW")
+    SET(CPACK_DEBIAN_PACKAGE_DEPENDS "libogremain-1.7.1 (>= 1.7.1-1),  libboost-filesystem1.42.0 (>= 1.42.0), libboost-program-options1.42.0 (>= 1.42.0), libboost-system1.42.0 (>= 1.42.0), libboost-thread1.42.0 (>= 1.42.0), libc6 (>= 2.11.2), libfreetype6 (>= 2.2.1), libgcc1 (>= 1:4.1.1), libmpg123-0 (>= 1.12.1), libois-1.2.0 (>= 1.2.0), libopenal1 (>= 1:1.12.854), libsndfile1 (>= 1.0.23), libstdc++6 (>= 4.4.5), libuuid1 (>= 2.17.2)")
+
+    SET(CPACK_DEBIAN_PACKAGE_SECTION "Games")
+
+    string(TOLOWER "${CPACK_PACKAGE_NAME}" CPACK_PACKAGE_NAME_LOWERCASE)
+    execute_process(
+        COMMAND ${DPKG_PROGRAM} --print-architecture
+        OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME_LOWERCASE}_${CPACK_DEBIAN_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}")
+
+
+    include(CPack)
+endif(DPKG_PROGRAM)
+
 # Apps and tools
 add_subdirectory( apps/openmw )
 

apps/openmw/CMakeLists.txt

@@ -242,3 +242,7 @@ if (APPLE)
     find_library(CARBON_FRAMEWORK Carbon)
     target_link_libraries(openmw ${CARBON_FRAMEWORK})
 endif (APPLE)
+
+if(DPKG_PROGRAM)
+    INSTALL(TARGETS openmw RUNTIME DESTINATION games COMPONENT openmw)
+endif()

files/openmw.cfg

@@ -1,2 +1,3 @@
 data=${MORROWIND_DATA_FILES}
+resources=${MORROWIND_RESOURCE_FILES}