772ec5a4
 Peter M. Groen
Added cmake envir...
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# @brief Tries to find the module with find_package, and uses CMAKE_INSTALL_PREFIX (see documentation).
# If the module can't be found, includes the directory by the specified module path.
# @param module The name of the module on which a dependency is added
# @param modulepath The relative path of the module wrt the current project
# @param moduleincludepath [optional] The relative path to the include directory
# @note Needs to be a macro because of the scope of the variables that are set by find_package.
macro(depend_module module modulepath)
message(STATUS "module : ${module}")
message(STATUS "modulepath : ${modulepath}")
set ( optional_macro_args ${ARGN} )
list ( LENGTH optional_macro_args num_optional_args )
if ( ${num_optional_args} GREATER 0 )
list ( GET optional_macro_args 0 moduleincludepath )
else()
set ( moduleincludepath include )
endif()
message(STATUS "moduleincludepath : ${moduleincludepath}")
find_package(${module} CONFIG QUIET)
message( STATUS "${module}_FOUND: ${${module}_FOUND}" )
string( TOUPPER ${module} MODULE_NAME_UPPER )
# check if the constructed variable name exists and if so check also the content.
if ( NOT ${${module}_FOUND} )
if ( NOT TARGET ${module} )
message( STATUS "Adding subdirectory ${modulepath}/${module} as subdirectory ${CMAKE_CURRENT_LIST_DIR}/staging/${module}." )
add_subdirectory(${modulepath}/${module} staging/${module})
endif()
set( ${MODULE_NAME_UPPER}_INCLUDE_DIR ${modulepath}/${module}/${moduleincludepath} CACHE STRING "${module} include path" FORCE )
set( ${MODULE_NAME_UPPER}_LIB_DIR "${CMAKE_CURRENT_BINARY_DIR}" CACHE STRING "${module} library path" FORCE )
set( ${MODULE_NAME_UPPER}_LIB_NAME "${module}" CACHE STRING "${module} library name" FORCE )
endif()
message( STATUS "${MODULE_NAME_UPPER}_INCLUDE_DIR: ${${MODULE_NAME_UPPER}_INCLUDE_DIR}" )
message( STATUS "${MODULE_NAME_UPPER}_LIB_DIR: ${${MODULE_NAME_UPPER}_LIB_DIR}" )
message( STATUS "${MODULE_NAME_UPPER}_LIB_NAME: ${${MODULE_NAME_UPPER}_LIB_NAME}" )
endmacro()
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