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|
#.rst:
# ONTFindModuleHelpers
# --------------------
#
# Based on ECMFindModuleHelpers from extra-cmake-modules.
include(CMakeParseArguments)
macro(ont_find_package_parse_components module_name)
set(_options SKIP_DEPENDENCY_HANDLING)
set(_oneValueArgs RESULT_VAR)
set(_multiValueArgs KNOWN_COMPONENTS)
cmake_parse_arguments(_ECM_FPPC "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
if(_ECM_FPPC_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unexpected arguments to ecm_find_package_parse_components: ${_ECM_FPPC_UNPARSED_ARGUMENTS}")
endif()
if(NOT _ECM_FPPC_RESULT_VAR)
message(FATAL_ERROR "Missing RESULT_VAR argument to ecm_find_package_parse_components")
endif()
if(NOT _ECM_FPPC_KNOWN_COMPONENTS)
message(FATAL_ERROR "Missing KNOWN_COMPONENTS argument to ecm_find_package_parse_components")
endif()
if(${module_name}_FIND_COMPONENTS)
set(_requestedComps ${${module_name}_FIND_COMPONENTS})
if(NOT _ECM_FPPC_SKIP_DEPENDENCY_HANDLING)
# Make sure deps are included
set(_new_comps ${_requestedComps})
while(_new_comps)
set(_working_comps ${_new_comps})
set(_new_comps)
foreach(_comp ${_working_comps})
foreach(_dep_comp ${${module_name}_${_comp}_component_deps})
list(FIND _requestedComps "${_dep_comp}" _index)
if("${_index}" STREQUAL "-1")
if(NOT ${module_name}_FIND_QUIETLY)
message(STATUS "${module_name}: ${_comp} requires ${_dep_comp}")
endif()
list(APPEND _new_comps "${_dep_comp}")
list(APPEND _requestedComps "${_dep_comp}")
endif()
endforeach()
endforeach()
endwhile()
else()
message(STATUS "Skipping dependency handling for ${module_name}")
endif()
list(REMOVE_DUPLICATES _requestedComps)
# This makes sure components are listed in the same order as
# KNOWN_COMPONENTS (potentially important for inter-dependencies)
set(${_ECM_FPPC_RESULT_VAR})
foreach(_comp ${_ECM_FPPC_KNOWN_COMPONENTS})
list(FIND _requestedComps "${_comp}" _index)
if(NOT "${_index}" STREQUAL "-1")
list(APPEND ${_ECM_FPPC_RESULT_VAR} "${_comp}")
list(REMOVE_AT _requestedComps ${_index})
endif()
endforeach()
# if there are any left, they are unknown components
if(_requestedComps)
set(_msgType STATUS)
if(${module_name}_FIND_REQUIRED)
set(_msgType FATAL_ERROR)
endif()
if(NOT ${module_name}_FIND_QUIETLY)
message(${_msgType} "${module_name}: requested unknown components ${_requestedComps}")
endif()
return()
endif()
else()
set(${_ECM_FPPC_RESULT_VAR} ${_ECM_FPPC_KNOWN_COMPONENTS})
endif()
endmacro()
macro(ont_debug_lib_helper outvar debugvar releasevar)
if (${releasevar} AND ${debugvar})
if (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
set(${outvar}
optimized ${${releasevar}}
debug ${${debugvar}}
)
else()
set(${outvar} ${${releasevar}})
endif()
elseif (${releasevar} AND NOT ${debugvar})
set(${outvar} ${${releasevar}})
elseif (${debugvar} AND NOT ${releasevar})
set(${outvar} ${${debugvar}})
endif()
endmacro()
function(ont_create_library_target target)
if(TARGET ${target})
return()
endif()
set(options)
set(oneValueArgs DEBUG_LIBRARY RELEASE_LIBRARY LIBRARY)
set(multiValueArgs DEPENDENCIES DEBUG_DEPENDENCIES RELEASE_DEPENDENCIES COMPILE_DEFINITIONS COMPILE_OPTIONS INCLUDE_DIRS)
cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if (ARG_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unexpected arguments to ont_create_library_target: ${ARG_UNPARSED_ARGUMENTS}")
endif()
if (ARG_LIBRARY)
if (ARG_DEBUG_LIBRARY OR ARG_RELEASE_LIBRARY)
message(FATAL_ERROR "Cannot specify LIBRARY as well as DEBUG_LIBRARY or RELEASE_LIBRARY")
endif()
elseif (NOT ARG_DEBUG_LIBRARY AND NOT ARG_RELEASE_LIBRARY)
message(FATAL_ERROR "Must specify LIBRARY, DEBUG_LIBRARY or RELEASE_LIBRARY")
endif()
add_library(${target} UNKNOWN IMPORTED)
if (ARG_LIBRARY)
set_property(TARGET ${target}
PROPERTY
IMPORTED_LOCATION "${ARG_LIBRARY}"
)
else()
if (ARG_RELEASE_LIBRARY)
set_property(TARGET ${target}
APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE
)
set_property(TARGET ${target}
PROPERTY
IMPORTED_LOCATION_RELEASE "${ARG_RELEASE_LIBRARY}"
)
endif()
if (ARG_DEBUG_LIBRARY)
set_property(TARGET ${target}
APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG
)
set_property(TARGET ${target}
PROPERTY
IMPORTED_LOCATION_DEBUG "${ARG_DEBUG_LIBRARY}"
)
endif()
if (ARG_DEBUG_DEPENDENCIES)
list(APPEND ARG_DEPENDENCIES "$<$<CONFIG:Debug>:${ARG_DEBUG_DEPENDENCIES}>")
endif()
if (ARG_RELEASE_DEPENDENCIES)
list(APPEND ARG_DEPENDENCIES "$<$<NOT:$<CONFIG:Debug>>:${ARG_RELEASE_DEPENDENCIES}>")
endif()
endif()
set_target_properties(${target} PROPERTIES
INTERFACE_COMPILE_DEFINITIONS "${ARG_COMPILE_DEFINITIONS}"
INTERFACE_COMPILE_OPTIONS "${ARG_COMPILE_OPTIONS}"
INTERFACE_INCLUDE_DIRECTORIES "${ARG_INCLUDE_DIRS}"
INTERFACE_LINK_LIBRARIES "${ARG_DEPENDENCIES}"
)
endfunction()
macro(ont_find_package_handle_library_components module_name)
set(_options SKIP_PKG_CONFIG SKIP_DEPENDENCY_HANDLING DEBUG_AND_RELEASE)
set(_oneValueArgs)
set(_multiValueArgs COMPONENTS)
cmake_parse_arguments(_ONT_FPWC "${_options}" "${_oneValueArgs}" "${_multiValueArgs}" ${ARGN})
if(_ONT_FPWC_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unexpected arguments to ecm_find_package_handle_components: ${_ONT_FPWC_UNPARSED_ARGUMENTS}")
endif()
if(NOT _ONT_FPWC_COMPONENTS)
message(FATAL_ERROR "Missing COMPONENTS argument to ecm_find_package_handle_components")
endif()
include(FindPackageHandleStandardArgs)
if(NOT _ONT_FPWC_SKIP_PKG_CONFIG)
find_package(PkgConfig QUIET)
endif()
# CMake 3.17+ warns when find_package_handle_standard_args() is called with a name that doesn't
# match the find module name; this tells it that we really did mean to do that
set(FPHSA_NAME_MISMATCHED TRUE)
foreach(_comp ${_ONT_FPWC_COMPONENTS})
set(_dep_vars)
set(_dep_targets)
if(NOT SKIP_DEPENDENCY_HANDLING)
foreach(_dep ${${module_name}_${_comp}_component_deps})
list(APPEND _dep_vars "${module_name}_${_dep}_FOUND")
list(APPEND _dep_targets "${module_name}::${_dep}")
endforeach()
endif()
if(NOT _ONT_FPWC_SKIP_PKG_CONFIG AND ${module_name}_${_comp}_pkg_config)
pkg_check_modules(PKG_${module_name}_${_comp} QUIET
${${module_name}_${_comp}_pkg_config})
endif()
set(_include_var)
if (${module_name}_${_comp}_header_names)
set(_include_var ${module_name}_${_comp}_INCLUDE_DIR)
find_path(${_include_var}
NAMES ${${module_name}_${_comp}_header_names}
HINTS ${PKG_${module_name}_${_comp}_INCLUDE_DIRS}
PATH_SUFFIXES ${${module_name}_${_comp}_header_path_suffixes}
)
endif()
if (_ONT_FPWC_DEBUG_AND_RELEASE)
find_library(${module_name}_${_comp}_LIBRARY_RELEASE
NAMES ${${module_name}_${_comp}_lib_names_release}
HINTS ${PKG_${module_name}_${_comp}_LIBRARY_DIRS}
DOC "The release version of the ${_comp} library from ${module_name}"
)
find_library(${module_name}_${_comp}_LIBRARY_DEBUG
NAMES ${${module_name}_${_comp}_lib_names_debug}
HINTS ${PKG_${module_name}_${_comp}_LIBRARY_DIRS}
DOC "The debug version of the ${_comp} library from ${module_name}"
)
ont_debug_lib_helper(
${module_name}_${_comp}_LIBRARY
${module_name}_${_comp}_LIBRARY_DEBUG
${module_name}_${_comp}_LIBRARY_RELEASE
)
set(${module_name}_${_comp}_LIBRARY
"${${module_name}_${_comp}_LIBRARY}"
CACHE STRING "The ${_comp} library from ${module_name}" FORCE
)
else()
find_library(${module_name}_${_comp}_LIBRARY
NAMES ${${module_name}_${_comp}_lib_names}
HINTS ${PKG_${module_name}_${_comp}_LIBRARY_DIRS}
DOC "The ${_comp} library from ${module_name}"
)
endif()
set(${module_name}_${_comp}_VERSION "${PKG_${module_name}_${_comp}_VERSION}")
if(NOT ${module_name}_VERSION)
set(${module_name}_VERSION ${${module_name}_${_comp}_VERSION})
endif()
find_package_handle_standard_args(${module_name}_${_comp}
FOUND_VAR
${module_name}_${_comp}_FOUND
REQUIRED_VARS
${module_name}_${_comp}_LIBRARY
${_include_var}
${_dep_vars}
VERSION_VAR
${module_name}_${_comp}_VERSION
)
mark_as_advanced(
${module_name}_${_comp}_LIBRARY
${module_name}_${_comp}_INCLUDE_DIR
)
if(${module_name}_${_comp}_FOUND)
set(${module_name}_${_comp}_DEFINITIONS
${PKG_${module_name}_${_comp}_DEFINITIONS}
${${module_name}_${_comp}_compile_opts})
ont_create_library_target(${module_name}::${_comp}
DEBUG_LIBRARY "${${module_name}_${_comp}_LIBRARY_DEBUG}"
RELEASE_LIBRARY "${${module_name}_${_comp}_LIBRARY_RELEASE}"
DEPENDENCIES "${_dep_targets}"
COMPILE_OPTIONS "${${module_name}_${_comp}_DEFINITIONS}"
INCLUDE_DIRS "${${module_name}_${_comp}_INCLUDE_DIR}"
)
if (NOT ${module_name}_${_comp}_LIBRARY_DEBUG)
set(${module_name}_${_comp}_LIBRARY_DEBUG
${module_name}_${_comp}_LIBRARY_RELEASE)
elseif (NOT ${module_name}_${_comp}_LIBRARY_RELEASE)
set(${module_name}_${_comp}_LIBRARY_RELEASE
${module_name}_${_comp}_LIBRARY_DEBUG)
endif()
list(APPEND
${module_name}_LIBRARIES
"${${module_name}_${_comp}_LIBRARY}")
if (_ONT_FPWC_DEBUG_AND_RELEASE)
if (${module_name}_${_comp}_LIBRARY_RELEASE)
list(APPEND
${module_name}_LIBRARIES_RELEASE
"${${module_name}_${_comp}_LIBRARY_RELEASE}")
endif()
if (${module_name}_${_comp}_LIBRARY_DEBUG)
list(APPEND
${module_name}_LIBRARIES_DEBUG
"${${module_name}_${_comp}_LIBRARY_DEBUG}")
endif()
endif()
if (${_include_var})
list(APPEND
${module_name}_INCLUDE_DIRS
"${${_include_var}}")
endif()
set(${module_name}_DEFINITIONS
${${module_name}_DEFINITIONS}
${${module_name}_${_comp}_DEFINITIONS})
list(APPEND ${module_name}_TARGETS
"${module_name}::${_comp}")
endif()
endforeach()
# we need to unset it again because this is a macro, not a function
unset(FPHSA_NAME_MISMATCHED)
if(${module_name}_DEBUG_LIBRARIES)
list(REMOVE_DUPLICATES ${module_name}_DEBUG_LIBRARIES)
endif()
if(${module_name}_INCLUDE_DIRS)
list(REMOVE_DUPLICATES ${module_name}_INCLUDE_DIRS)
endif()
if(${module_name}_DEFINITIONS)
list(REMOVE_DUPLICATES ${module_name}_DEFINITIONS)
endif()
if(${module_name}_TARGETS)
list(REMOVE_DUPLICATES ${module_name}_TARGETS)
endif()
endmacro()
|
