include(GNUInstallDirs)

set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE")
set(CPACK_PACKAGE_CONTACT "tastytea <tastytea@tastytea.de>")

# Should be set automatically, but they are not.
set(CPACK_PACKAGE_NAME "${PROJECT_NAME}")
set(CPACK_PACKAGE_VERSION "${PROJECT_VERSION}")

# Figure out dependencies automatically.
set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)

# Should be set automatically, but it is not.
execute_process(COMMAND dpkg --print-architecture
  OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
  OUTPUT_STRIP_TRAILING_WHITESPACE)

execute_process(COMMAND lsb_release --codename --short
  OUTPUT_VARIABLE DEBIAN_CODENAME
  OUTPUT_STRIP_TRAILING_WHITESPACE)
if ("${DEBIAN_CODENAME}" STREQUAL "n/a")
  set(DEBIAN_CODENAME "unknown")
endif()

# The default does not produce valid Debian package names.
set(CPACK_DEBIAN_FILE_NAME
  "${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}-0_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}_${DEBIAN_CODENAME}.deb")

include(CPack)