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50 lines
1.6 KiB
50 lines
1.6 KiB
6 years ago
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enable_language(C)
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add_executable(dump dump.c)
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# ensure no temp file will be used
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string(REPLACE "${CMAKE_START_TEMP_FILE}" "" CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY}")
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string(REPLACE "${CMAKE_END_TEMP_FILE}" "" CMAKE_C_CREATE_SHARED_LIBRARY "${CMAKE_C_CREATE_SHARED_LIBRARY}")
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# Use LINKER alone
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add_library(linker SHARED LinkOptionsLib.c)
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target_link_options(linker PRIVATE "LINKER:-foo,bar")
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# use LAUNCH facility to dump linker command
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set_property(TARGET linker PROPERTY RULE_LAUNCH_LINK "\"${CMAKE_CURRENT_BINARY_DIR}/dump${CMAKE_EXECUTABLE_SUFFIX}\"")
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add_dependencies (linker dump)
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# Use LINKER with SHELL
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add_library(linker_shell SHARED LinkOptionsLib.c)
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target_link_options(linker_shell PRIVATE "LINKER:SHELL:-foo bar")
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# use LAUNCH facility to dump linker command
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set_property(TARGET linker_shell PROPERTY RULE_LAUNCH_LINK "\"${CMAKE_CURRENT_BINARY_DIR}/dump${CMAKE_EXECUTABLE_SUFFIX}\"")
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add_dependencies (linker_shell dump)
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# generate reference for LINKER flag
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if (CMAKE_C_LINKER_WRAPPER_FLAG)
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set(linker_flag ${CMAKE_C_LINKER_WRAPPER_FLAG})
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list(GET linker_flag -1 linker_space)
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if (linker_space STREQUAL " ")
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list(REMOVE_AT linker_flag -1)
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else()
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set(linker_space)
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endif()
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list (JOIN linker_flag " " linker_flag)
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if (CMAKE_C_LINKER_WRAPPER_FLAG_SEP)
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string (APPEND linker_flag "${linker_space}" "-foo${CMAKE_C_LINKER_WRAPPER_FLAG_SEP}bar")
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else()
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set (linker_flag "${linker_flag}${linker_space}-foo ${linker_flag}${linker_space}bar")
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endif()
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else()
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set(linker_flag "-foo bar")
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endif()
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/LINKER.txt" "${linker_flag}")
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