function(core_link_library lib wraplib) set(export -Wl,--unresolved-symbols=ignore-all `cat ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/cores/dll-loader/exports/wrapper.def` ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/cores/dll-loader/exports/CMakeFiles/wrapper.dir/wrapper.c.o) set(check_arg "") if(TARGET ${lib}) set(target ${lib}) set(link_lib $) set(check_arg ${ARGV2}) set(data_arg ${ARGV3}) else() set(target ${ARGV2}) set(link_lib ${lib}) set(check_arg ${ARGV3}) set(data_arg ${ARGV4}) endif() # wrapper has to be adapted in order to support coverage. if(CMAKE_BUILD_TYPE STREQUAL Coverage) set(export "") endif() if(check_arg STREQUAL export) set(export ${export} -Wl,--version-script=${ARGV3}) elseif(check_arg STREQUAL extras) foreach(arg ${data_arg}) list(APPEND export ${arg}) endforeach() elseif(check_arg STREQUAL archives) set(extra_libs ${data_arg}) endif() string(REGEX REPLACE "[ ]+" ";" _flags "${CMAKE_SHARED_LINKER_FLAGS}") get_filename_component(dir ${wraplib} DIRECTORY) add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX} COMMAND ${CMAKE_COMMAND} -E make_directory ${dir} COMMAND ${CMAKE_C_COMPILER} ARGS ${_flags} -Wl,--whole-archive "${link_lib}" ${extra_libs} -Wl,--no-whole-archive -lm -Wl,-soname,${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX} -shared -o ${CMAKE_BINARY_DIR}/${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX} ${export} DEPENDS ${target} wrapper.def wrapper) get_filename_component(libname ${wraplib} NAME_WE) add_custom_target(wrap_${libname} ALL DEPENDS ${CMAKE_BINARY_DIR}/${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX}) set_target_properties(wrap_${libname} PROPERTIES FOLDER lib/wrapped) add_dependencies(${APP_NAME_LC}-libraries wrap_${libname}) set(LIBRARY_FILES ${LIBRARY_FILES} ${CMAKE_BINARY_DIR}/${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX} CACHE STRING "" FORCE) endfunction() function(find_soname lib) cmake_parse_arguments(arg "REQUIRED" "" "" ${ARGN}) string(TOLOWER ${lib} liblow) if(${lib}_LDFLAGS) set(link_lib "${${lib}_LDFLAGS}") else() if(IS_ABSOLUTE "${${lib}_LIBRARIES}") set(link_lib "${${lib}_LIBRARIES}") else() set(link_lib -l${${lib}_LIBRARIES}) endif() endif() execute_process(COMMAND ${CMAKE_C_COMPILER} -nostdlib -o /dev/null -Wl,-M ${link_lib} COMMAND grep LOAD.*${liblow} ERROR_QUIET OUTPUT_VARIABLE ${lib}_FILENAME) string(REPLACE "LOAD " "" ${lib}_FILENAME "${${lib}_FILENAME}") string(STRIP "${${lib}_FILENAME}" ${lib}_FILENAME) if(NOT ${lib}_FILENAME) execute_process(COMMAND ${CMAKE_C_COMPILER} -nostdlib -o /dev/null -Wl,-t ${link_lib} OUTPUT_QUIET ERROR_VARIABLE _TMP_FILENAME) string(REGEX MATCH ".*lib${liblow}.so" ${lib}_FILENAME ${_TMP_FILENAME}) endif() if(${lib}_FILENAME) execute_process(COMMAND ${CMAKE_OBJDUMP} -p ${${lib}_FILENAME} COMMAND grep SONAME.*${liblow} ERROR_QUIET OUTPUT_VARIABLE ${lib}_SONAME) string(REPLACE "SONAME " "" ${lib}_SONAME ${${lib}_SONAME}) string(STRIP ${${lib}_SONAME} ${lib}_SONAME) if(VERBOSE) message(STATUS "${lib} soname: ${${lib}_SONAME}") endif() set(${lib}_SONAME ${${lib}_SONAME} PARENT_SCOPE) endif() if(arg_REQUIRED AND NOT ${lib}_SONAME) message(FATAL_ERROR "Could not find dynamically loadable library ${lib}") endif() endfunction()