Files
opm-core/cmake/Modules/OpmFind.cmake
Roland Kaufmann 9bd3f186d2 Do list cleanup in find routine
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).
2013-02-11 22:37:55 +01:00

116 lines
3.5 KiB
CMake

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