diff options
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/CMakePackageConfigHelpers.cmake | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/Modules/CMakePackageConfigHelpers.cmake b/Modules/CMakePackageConfigHelpers.cmake index 1e47f15..c6dc141 100644 --- a/Modules/CMakePackageConfigHelpers.cmake +++ b/Modules/CMakePackageConfigHelpers.cmake @@ -18,7 +18,8 @@ # configure_package_config_file(<input> <output> INSTALL_DESTINATION <path> # [PATH_VARS <var1> <var2> ... <varN>] # [NO_SET_AND_CHECK_MACRO] -# [NO_CHECK_REQUIRED_COMPONENTS_MACRO]) +# [NO_CHECK_REQUIRED_COMPONENTS_MACRO] +# [INSTALL_PREFIX <path>]) # # # ``configure_package_config_file()`` should be used instead of the plain @@ -64,8 +65,8 @@ # same way as in :command:`configure_file()`. # # The ``<path>`` given to ``INSTALL_DESTINATION`` must be the destination where -# the ``FooConfig.cmake`` file will be installed to. This can either be a -# relative or absolute path, both work. +# the ``FooConfig.cmake`` file will be installed to. This path can either be +# absolute, or relative to the ``INSTALL_PREFIX`` path. # # The variables ``<var1>`` to ``<varN>`` given as ``PATH_VARS`` are the # variables which contain install destinations. For each of them the macro will @@ -74,8 +75,15 @@ # They are calculated by ``configure_package_config_file`` so that they are # always relative to the installed location of the package. This works both for # relative and also for absolute locations. For absolute locations it works -# only if the absolute location is a subdirectory of -# :variable:`CMAKE_INSTALL_PREFIX`. +# only if the absolute location is a subdirectory of ``INSTALL_PREFIX``. +# +# If the ``INSTALL_PREFIX`` argument is passed, this is used as base path to +# calculate all the relative paths. The ``<path>`` argument must be an absolute +# path. If this argument is not passed, the :variable:`CMAKE_INSTALL_PREFIX` +# variable will be used instead. The default value is good when generating a +# FooConfig.cmake file to use your package from the install tree. When +# generating a FooConfig.cmake file to use your package from the build tree this +# option should be used. # # By default ``configure_package_config_file`` also generates two helper macros, # ``set_and_check()`` and ``check_required_components()`` into the @@ -210,7 +218,7 @@ endmacro() function(CONFIGURE_PACKAGE_CONFIG_FILE _inputFile _outputFile) set(options NO_SET_AND_CHECK_MACRO NO_CHECK_REQUIRED_COMPONENTS_MACRO) - set(oneValueArgs INSTALL_DESTINATION ) + set(oneValueArgs INSTALL_DESTINATION INSTALL_PREFIX) set(multiValueArgs PATH_VARS ) cmake_parse_arguments(CCF "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) @@ -223,20 +231,30 @@ function(CONFIGURE_PACKAGE_CONFIG_FILE _inputFile _outputFile) message(FATAL_ERROR "No INSTALL_DESTINATION given to CONFIGURE_PACKAGE_CONFIG_FILE()") endif() + if(DEFINED CCF_INSTALL_PREFIX) + if(IS_ABSOLUTE "${CCF_INSTALL_PREFIX}") + set(installPrefix "${CCF_INSTALL_PREFIX}") + else() + message(FATAL_ERROR "INSTALL_PREFIX must be an absolute path") + endif() + else() + set(installPrefix "${CMAKE_INSTALL_PREFIX}") + endif() + if(IS_ABSOLUTE "${CCF_INSTALL_DESTINATION}") set(absInstallDir "${CCF_INSTALL_DESTINATION}") else() - set(absInstallDir "${CMAKE_INSTALL_PREFIX}/${CCF_INSTALL_DESTINATION}") + set(absInstallDir "${installPrefix}/${CCF_INSTALL_DESTINATION}") endif() - file(RELATIVE_PATH PACKAGE_RELATIVE_PATH "${absInstallDir}" "${CMAKE_INSTALL_PREFIX}" ) + file(RELATIVE_PATH PACKAGE_RELATIVE_PATH "${absInstallDir}" "${installPrefix}" ) foreach(var ${CCF_PATH_VARS}) if(NOT DEFINED ${var}) message(FATAL_ERROR "Variable ${var} does not exist") else() if(IS_ABSOLUTE "${${var}}") - string(REPLACE "${CMAKE_INSTALL_PREFIX}" "\${PACKAGE_PREFIX_DIR}" + string(REPLACE "${installPrefix}" "\${PACKAGE_PREFIX_DIR}" PACKAGE_${var} "${${var}}") else() set(PACKAGE_${var} "\${PACKAGE_PREFIX_DIR}/${${var}}") @@ -262,7 +280,7 @@ get_filename_component(PACKAGE_PREFIX_DIR \"\${CMAKE_CURRENT_LIST_DIR}/${PACKAGE get_filename_component(_realCurr \"\${CMAKE_CURRENT_LIST_DIR}\" REALPATH) get_filename_component(_realOrig \"${absInstallDir}\" REALPATH) if(_realCurr STREQUAL _realOrig) - set(PACKAGE_PREFIX_DIR \"${CMAKE_INSTALL_PREFIX}\") + set(PACKAGE_PREFIX_DIR \"${installPrefix}\") endif() unset(_realOrig) unset(_realCurr) |