diff options
Diffstat (limited to 'cmake/options.cmake')
| -rw-r--r-- | cmake/options.cmake | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/cmake/options.cmake b/cmake/options.cmake index 3e07128..81981c8 100644 --- a/cmake/options.cmake +++ b/cmake/options.cmake @@ -1,5 +1,26 @@ -# A list of the options that the library supports -SET(SWORD_PYTHON_INSTALL_DIR "" CACHE STRING "Directory where the Python bindings will be installed. Defaults to default Python path.") +# Borrowed +# +# This macro implements some very special logic how to deal with the cache. +# By default the various install locations inherit their value from their "parent" variable +# so if you set CMAKE_INSTALL_PREFIX, then EXEC_INSTALL_PREFIX, PLUGIN_INSTALL_DIR will +# calculate their value by appending subdirs to CMAKE_INSTALL_PREFIX . +# This would work completely without using the cache. +# But if somebody wants e.g. a different EXEC_INSTALL_PREFIX this value has to go into +# the cache, otherwise it will be forgotten on the next cmake run. +# Once a variable is in the cache, it doesn't depend on its "parent" variables +# anymore and you can only change it by editing it directly. +# this macro helps in this regard, because as long as you don't set one of the +# variables explicitely to some location, it will always calculate its value from its +# parents. So modifying CMAKE_INSTALL_PREFIX later on will have the desired effect. +# But once you decide to set e.g. EXEC_INSTALL_PREFIX to some special location +# this will go into the cache and it will no longer depend on CMAKE_INSTALL_PREFIX. +macro(_SET_FANCY _var _value _comment) + if (NOT DEFINED ${_var}) + set(${_var} ${_value}) + else() + set(${_var} "${${_var}}" CACHE STRING "${_comment}") + endif() +endmacro(_SET_FANCY) # Installation options IF(APPLE) @@ -10,17 +31,20 @@ ELSE(APPLE) SET(SWORD_INSTALL_DIR "/usr/local") ENDIF(APPLE) -IF(CMAKE_INSTALL_PREFIX) - SET(PREFIX "${CMAKE_INSTALL_PREFIX}" CACHE STRING "Directory into which to install architecture-dependent files. Defaults to ${SWORD_INSTALL_DIR}.") -ELSE(CMAKE_INSTALL_PREFIX) - SET(PREFIX "${SWORD_INSTALL_DIR}" CACHE STRING "Directory into which to install architecture-dependent files. Defaults to ${SWORD_INSTALL_DIR}") -ENDIF(CMAKE_INSTALL_PREFIX) +# A list of the options that the library supports +_SET_FANCY(CMAKE_INSTALL_PREFIX "${SWORD_INSTALL_DIR}" "Directory into which to install architecture-dependent files. Defaults to ${SWORD_INSTALL_DIR}.") + +_SET_FANCY(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib" "Object code library install directory. Defaults to ${SWORD_INSTALL_DIR}/lib") + +_SET_FANCY(INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/include" "C Header files install directory. Defaults to ${SWORD_INSTALL_DIR}/include.") + +SET(BINDIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE STRING "Directory to install binary executable files. Defaults to ${SWORD_INSTALL_DIR}/bin.") -SET(LIBDIR "${PREFIX}/lib" CACHE STRING "Object code library install directory. Defaults to ${SWORD_INSTALL_DIR}/lib") +_SET_FANCY(SYSCONF_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/etc" "Directory to install global config files. Defaults to ${SWORD_INSTALL_DIR}/etc.") -SET(INCLUDEDIR "${PREFIX}/include" CACHE STRING "C Header files install directory. Defaults to ${SWORD_INSTALL_DIR}/include.") +_SET_FANCY(SHARE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/share" "Directory to install global data files. Defaults to ${SWORD_INSTALL_DIR}/share.") -SET(BINDIR "${PREFIX}/bin" CACHE STRING "Directory to install binary executable files. Defaults to ${SWORD_INSTALL_DIR}/bin.") +_SET_FANCY(SWORD_PYTHON_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}" CACHE STRING "Directory where the Python bindings will be installed. Defaults to default Python path.") # Post-processing of variables MACRO(PROCESS_VERSION LEVEL VALUE) |