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Portable shared library linking #44

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Portable shared library linking #44

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8ee3259
Portable shared library linking
breadbored Nov 5, 2021
3fd2f0b
Added SWIFFT_Hash wrapper compatible function
breadbored Nov 6, 2021
d1bcd04
Removed bad code
breadbored Aug 19, 2022
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32 changes: 32 additions & 0 deletions cmake/flink.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
include(CMakeParseArguments)

function(target_do_force_link_libraries target visibility lib)
if(MSVC)
target_link_libraries(${target} ${visibility} "/WHOLEARCHIVE:${lib}")
elseif(APPLE)
target_link_libraries(${target} ${visibility} -Wl,-force_load ${lib})
else()
target_link_libraries(${target} ${visibility} -Wl,--whole-archive ${lib} -Wl,--no-whole-archive)
endif()
endfunction()

function(target_force_link_libraries target)
cmake_parse_arguments(FLINK
""
""
"PUBLIC;INTERFACE;PRIVATE"
${ARGN}
)

foreach(lib IN LISTS FLINK_PUBLIC)
target_do_force_link_libraries(${target} PUBLIC ${lib})
endforeach()

foreach(lib IN LISTS FLINK_INTERFACE)
target_do_force_link_libraries(${target} INTERFACE ${lib})
endforeach()

foreach(lib IN LISTS FLINK_PRIVATE)
target_do_force_link_libraries(${target} PRIVATE ${lib})
endforeach()
endfunction()
7 changes: 3 additions & 4 deletions src/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
include(../cmake/swifft_defaults.cmake)
include(../cmake/flink.cmake)

add_executable(swifft_keygen swifft_keygen.cpp)

Expand Down Expand Up @@ -57,10 +58,8 @@ add_library(swifft_shared SHARED ${CMAKE_CURRENT_BINARY_DIR}/swifft_so_dummy.c)
install(TARGETS swifft_shared DESTINATION lib)
set_target_properties(swifft_shared PROPERTIES OUTPUT_NAME swifft)
set_target_properties(swifft_shared PROPERTIES LINKER_LANGUAGE CXX)
target_link_libraries(swifft_shared PUBLIC
-Wl,--whole-archive
$<TARGET_PROPERTY:swifft_static,NAME>
-Wl,--no-whole-archive
target_force_link_libraries(swifft_shared
PUBLIC $<TARGET_PROPERTY:swifft_static,NAME>
)


Expand Down