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22 lines
693 B
Makefile
22 lines
693 B
Makefile
SRC_RS = lib.rs
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LIBS = libcore-rust
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vpath % $(REP_DIR)/src/lib/rust/libunwind
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CC_CXX_WARN_STRICT =
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#
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# libunwind contains the public symbol '_Unwind_Resume', which clashes with
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# the symbol provided by the cxx library. The aliasing can lead to unexpected
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# symbol resolutions by the dynamic linker at runtime, i.e., a C++ exception
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# thrown in the libc ending up in the '_Unwind_Resume' code of libunwind-rust.
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#
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# This rule solves this uncertainty by making the symbol private to the
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# libunwind library.
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#
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ifeq ($(called_from_lib_mk),yes)
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$(LIB).lib.a: hide_cxx_symbols
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hide_cxx_symbols: lib.o
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$(VERBOSE)cp $< $<.tmp
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$(VERBOSE)$(OBJCOPY) --localize-symbol=_Unwind_Resume $<.tmp $<
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endif
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