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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 ${CMAKE_BINARY_DIR}/${CORE_BUILD_DIR}/${lib}/${lib}.a)
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 nowrap)
set(export ${data_arg})
elseif(check_arg STREQUAL extras)
foreach(arg ${data_arg})
list(APPEND export ${arg})
endforeach()
endif()
get_filename_component(dir ${wraplib} PATH)
add_custom_command(OUTPUT ${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX}
COMMAND cmake -E make_directory ${dir}
COMMAND ${CMAKE_C_COMPILER}
ARGS -Wl,--whole-archive
${link_lib}
-Wl,--no-whole-archive -lm
-shared -o ${CMAKE_BINARY_DIR}/${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX}
${export}
DEPENDS ${target} wrapper.def wrapper)
list(APPEND WRAP_FILES ${wraplib}-${ARCH}${CMAKE_SHARED_MODULE_SUFFIX})
set(WRAP_FILES ${WRAP_FILES} PARENT_SCOPE)
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 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} ${lib}_SONAME)
message(STATUS "${lib} soname: ${${lib}_SONAME}")
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()
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