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[CMake] fix plutil runpath for ELF platforms #2999

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Jun 10, 2021
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[CMake] fix plutil runpath for ELF platforms #2999

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25 changes: 25 additions & 0 deletions Sources/Tools/plutil/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,31 @@ add_executable(plutil
main.swift)
target_link_libraries(plutil PRIVATE
Foundation)

# On ELF platforms, remove the absolute rpath to the host toolchain's stdlib,
# then add it back temporarily as a BUILD_RPATH just for the tests.
if(NOT CMAKE_SYSTEM_NAME MATCHES "Darwin|Windows")
target_link_options(plutil PRIVATE "SHELL:-no-toolchain-stdlib-rpath")

string(REPLACE " " ";" ARGS_LIST ${CMAKE_Swift_FLAGS})
execute_process(
COMMAND ${CMAKE_Swift_COMPILER} ${ARGS_LIST} -print-target-info
OUTPUT_VARIABLE output
ERROR_VARIABLE error_output
RESULT_VARIABLE result
)
if(NOT ${result} EQUAL 0)
message(FATAL_ERROR "Error getting target info with\n"
" `${CMAKE_Swift_COMPILER} ${CMAKE_Swift_FLAGS} -print-target-info`\n"
"Error:\n"
" ${error_output}")
endif()

string(REGEX MATCH "\"runtimeLibraryPaths\": \\[\n\ +\"([^\"]+)\""
path ${output})
set_target_properties(plutil PROPERTIES BUILD_RPATH ${CMAKE_MATCH_1})
endif()

set_target_properties(plutil PROPERTIES
INSTALL_RPATH "$ORIGIN/../lib/swift/$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>")

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