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-*- mode: outline; coding: utf-8 -*-
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* Remove dead code.
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STRIP_DEAD_CODE = -Wl,-static -fvtable-gc -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,-s
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-Wl,-static
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Link against static libraries. Required for dead-code
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elimination.
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-fvtable-gc
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C++ virtual method table instrumented with garbage collection
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information for the linker.
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-fdata-sections
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Keeps data in separate data sections, so they can be discarded
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if unused.
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-ffunction-sections
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Keeps funcitons in separate data sections, so they can be
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discarded if unused.
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-Wl,--gc-sections
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Tell the linker to garbage collect and discard unused
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sections.
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-s
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Strip the debug information, so as to make the code as small
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as possible. (I presume that you'd want to do this in a
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dead-code removal build.)
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* Map file.
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$ ld -Map=file.map <opts> <files>
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or
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$ gcc -Wl,-Map=file.map <opts> <files>
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