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74 lines
3.2 KiB
74 lines
3.2 KiB
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enable_language(C)
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set(cfg_dir)
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get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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if(_isMultiConfig)
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set(cfg_dir /Debug)
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endif()
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set(DUMP_EXE "${CMAKE_CURRENT_BINARY_DIR}${cfg_dir}/dump${CMAKE_EXECUTABLE_SUFFIX}")
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add_executable(dump dump.c)
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# ensure no temp file will be used
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string(REPLACE "${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 "${CMAKE_C_CREATE_SHARED_LIBRARY}")
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function (add_test_library target_name)
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add_library(${target_name} SHARED LinkOptionsLib.c)
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# use LAUNCH facility to dump linker command
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set_property(TARGET ${target_name} PROPERTY RULE_LAUNCH_LINK "\"${DUMP_EXE}\"")
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add_dependencies(${target_name} dump)
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endfunction()
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# Use LINKER alone
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add_test_library(linker)
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target_link_options(linker PRIVATE "LINKER:-foo,bar")
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target_link_options(linker PRIVATE "LINKER:") # empty
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# Use LINKER with SHELL
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add_test_library(linker_shell)
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target_link_options(linker_shell PRIVATE "LINKER:SHELL:-foo bar")
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# Nested LINKER: prefixes should be preserved as written, only the outermost LINKER: prefix removed
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add_test_library(linker_nested)
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target_link_options(linker_nested PRIVATE "LINKER:LINKER:-foo,-Xlinker=bar,-Xlinker,--baz,-Wl,/qux")
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# Same with LINKER:SHELL:
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add_test_library(linker_nested_shell SHARED LinkOptionsLib.c)
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target_link_options(linker_nested_shell PRIVATE "LINKER:SHELL:LINKER:-foo -Xlinker=bar -Xlinker --baz -Wl,/qux")
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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 ${CMAKE_C_LINKER_WRAPPER_FLAG})
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list(GET linker_flag -1 linker_space)
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if (linker_space STREQUAL " ")
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list(REMOVE_AT linker_flag -1)
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else()
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set(linker_space)
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endif()
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list (JOIN linker_flag " " linker_flag)
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if (CMAKE_C_LINKER_WRAPPER_FLAG_SEP)
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set(linker_sep "${CMAKE_C_LINKER_WRAPPER_FLAG_SEP}")
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set(linker_flag_nested "${linker_flag}${linker_space}LINKER:-foo${linker_sep}-Xlinker=bar${linker_sep}-Xlinker${linker_sep}--baz${linker_sep}-Wl${linker_sep}/qux")
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set(linker_flag_nested_shell "${linker_flag}${linker_space}LINKER:-foo${linker_sep}-Xlinker=bar${linker_sep}-Xlinker${linker_sep}--baz${linker_sep}-Wl,/qux")
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string (APPEND linker_flag "${linker_space}" "-foo${linker_sep}bar")
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else()
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set(linker_prefix "${linker_flag}${linker_space}")
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set(linker_flag_nested "${linker_prefix}LINKER:-foo ${linker_prefix}-Xlinker=bar ${linker_prefix}-Xlinker ${linker_prefix}--baz ${linker_prefix}-Wl ${linker_prefix}/qux")
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set(linker_flag_nested_shell "${linker_prefix}LINKER:-foo ${linker_prefix}-Xlinker=bar ${linker_prefix}-Xlinker ${linker_prefix}--baz ${linker_prefix}-Wl,/qux")
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set (linker_flag "${linker_prefix}-foo ${linker_prefix}bar")
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endif()
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else()
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set(linker_flag_nested "LINKER:-foo -Xlinker=bar -Xlinker --baz -Wl /qux")
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set(linker_flag_nested_shell "LINKER:-foo -Xlinker=bar -Xlinker --baz -Wl,/qux")
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set(linker_flag "-foo bar")
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endif()
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/LINKER.txt" "${linker_flag}")
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/LINKER_NESTED.txt" "${linker_flag_nested}")
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/LINKER_NESTED_SHELL.txt" "${linker_flag_nested_shell}")
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