9bd3f186d2
Although this amounts to some double work, it doesn't make the configuration noticeably slower, and it ensures that the lists are always cleaned up (in a proper way).
116 lines
3.5 KiB
CMake
116 lines
3.5 KiB
CMake
# - Generic inclusion of packages
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#
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# Synopsis:
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#
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# find_and_append_package (name args)
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#
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# where
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#
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# name Name of the package, e.g. Boost
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# args Other arguments, e.g. COMPONENTS, REQUIRED, QUIET etc.
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#
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# This macro will append the list of standard variables found by the
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# package to this project's standard variables
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#
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########################################################################
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#
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# - Generic inclusion of a list of packages
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#
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# Synopsis:
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#
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# find_and_append_package_list (args)
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#
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# where
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#
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# args List of package strings. Each string must be quoted if
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# it contains more than one word.
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#
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# Example:
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#
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# find_and_append_package_list (
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# "Boost COMPONENTS filesystem REQUIRED"
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# SUPERLU
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# )
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########################################################################
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#
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# - Remove duplicate library declarations
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#
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# Synopsis:
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#
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# remove_duplicate_libraries (module)
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#
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# where
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# module Name of the module whose libraries should be pruned
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# list of suffixes for all the project variables
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set (_opm_proj_vars
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LINKER_FLAGS
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LIBRARIES
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DEFINITIONS
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INCLUDE_DIRS
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LIBRARY_DIRS
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CONFIG_VARS
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)
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# ensure that they are at least the empty list after we're done
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foreach (name IN LISTS _opm_proj_vars)
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if (NOT DEFINED ${CMAKE_PROJECT_NAME}_${name})
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set (${CMAKE_PROJECT_NAME}_${name} "")
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endif (NOT DEFINED ${CMAKE_PROJECT_NAME}_${name})
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endforeach (name)
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# insert this boilerplate whenever we are going to find a new package
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macro (find_and_append_package_to prefix name)
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# if we have specified a directory, don't revert to searching the
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# system default paths afterwards
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if (${name}_DIR)
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find_package (${name} ${ARGN} PATHS ${${name}_DIR} NO_DEFAULT_PATH)
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else (${name}_DIR)
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find_package (${name} ${ARGN})
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endif (${name}_DIR)
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if (${name}_FOUND)
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foreach (var IN LISTS _opm_proj_vars)
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if (DEFINED ${name}_${var})
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list (APPEND ${prefix}_${var} ${${name}_${var}})
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# cleanup lists
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if ("${var}" STREQUAL "LIBRARIES")
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remove_duplicate_libraries (${prefix})
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else ("${var}" STREQUAL "LIBRARIES")
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list (REMOVE_DUPLICATES ${prefix}_${var})
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endif ("${var}" STREQUAL "LIBRARIES")
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endif (DEFINED ${name}_${var})
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endforeach (var)
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endif (${name}_FOUND)
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endmacro (find_and_append_package_to prefix name)
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# append to the list of variables associated with the project
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macro (find_and_append_package name)
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find_and_append_package_to (${CMAKE_PROJECT_NAME} ${name} ${ARGN})
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endmacro (find_and_append_package name)
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# find a list of dependencies, adding each one of them
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macro (find_and_append_package_list_to prefix)
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# setting and separating is necessary to work around apparent bugs
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# in CMake's parser (sic)
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set (_deps ${ARGN})
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foreach (_dep IN LISTS _deps)
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separate_arguments (_args UNIX_COMMAND ${_dep})
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find_and_append_package_to (${prefix} ${_args})
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endforeach (_dep)
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endmacro (find_and_append_package_list_to prefix)
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# convenience method to supply the project name as prefix
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macro (find_and_append_package_list)
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find_and_append_package_list_to (${CMAKE_PROJECT_NAME} ${ARGN})
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endmacro (find_and_append_package_list)
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# libraries should always be trimmed from the beginning, so that also
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# missing functions in those later in the list will be resolved
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macro (remove_duplicate_libraries module)
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if (DEFINED ${module}_LIBRARIES)
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list (REVERSE ${module}_LIBRARIES)
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list (REMOVE_DUPLICATES ${module}_LIBRARIES)
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list (REVERSE ${module}_LIBRARIES)
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endif (DEFINED ${module}_LIBRARIES)
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endmacro (remove_duplicate_libraries module)
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