26c8776c70
This commit adds option to enable Link Time Optimization. Signed-off-by: Radosław Koppel <radoslaw.koppel@nordicsemi.no>
23 lines
948 B
CMake
23 lines
948 B
CMake
check_set_linker_property(TARGET linker PROPERTY memusage "${LINKERFLAGPREFIX},--print-memory-usage")
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# -no-pie is not supported until binutils 2.37.
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# If -no-pie is passed to old binutils <= 2.36, it is parsed
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# as separate arguments -n and -o, which results in output file
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# called "-pie".
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if("${GNULD_VERSION_STRING}" VERSION_GREATER_EQUAL 2.37)
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set_property(TARGET linker PROPERTY no_position_independent "${LINKERFLAGPREFIX},-no-pie")
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else()
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set_property(TARGET linker PROPERTY no_position_independent)
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endif()
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set_property(TARGET linker PROPERTY partial_linking "-r")
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set_property(TARGET linker PROPERTY lto_arguments -flto -fno-ipa-sra -ffunction-sections -fdata-sections)
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# Some linker flags might not be purely ld specific, but a combination of
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# linker and compiler, such as:
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# --coverage for clang
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# --gcov for gcc
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# So load those flags now.
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include(${ZEPHYR_BASE}/cmake/linker/${LINKER}/${COMPILER}/linker_flags.cmake OPTIONAL)
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