http://llvm.org/bugs/show_bug.cgi?id=22202
Bug ID: 22202
Summary: libunwind: build failure using libsdtd++ due to
UNW_STEP_SUCCESS being undefined
Product: libc++abi
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Originally reported as one of the sub-issues of a MacPorts user failing to
compile ld64 on Leopard/ppc with current libunwind from libcxxabi-3.5.0
https://trac.macports.org/ticket/46519
:info:build
/opt/local/Developer/SDKs/Darwin9.sdk/usr/include/libunwind/DwarfInstructions.hpp:
In static member function ‘static int libunwind::DwarfInstructions<A,
R>::stepWithDwarf(A&, typename A::pint_t, typename A::pint_t, R&)’:
:info:build
/opt/local/Developer/SDKs/Darwin9.sdk/usr/include/libunwind/DwarfInstructions.hpp:209:
error: ‘UNW_STEP_SUCCESS’ was not declared in this scope
I am able to reproduce this on newer systems by trying to build ld64 against
libstdc++:
/usr/bin/clang++ -Os -O0 -g3 -stdlib=libstdc++ -stdlib=libstdc++ -arch x86_64
-I/opt/local/libexec/llvm-3.5/include -DLTO_SUPPORT -Isrc/abstraction -Isrc/ld
-I/opt/local/include -I/opt/local/Developer/SDKs/Darwin14.sdk/usr/include -c
-o src/other/ObjectDump.o src/other/ObjectDump.cpp
/usr/bin/clang++ -Os -O0 -g3 -stdlib=libstdc++ -stdlib=libstdc++ -arch x86_64
-I/opt/local/libexec/llvm-3.5/include -DLTO_SUPPORT -Isrc/abstraction -Isrc/ld
-I/opt/local/include -I/opt/local/Developer/SDKs/Darwin14.sdk/usr/include -c
-o src/ld/ld.o src/ld/ld.cpp
In file included from src/other/ObjectDump.cpp:31:
In file included from src/ld/MachOReaderRelocatable.hpp:43:
/opt/local/Developer/SDKs/Darwin14.sdk/usr/include/libunwind/DwarfInstructions.hpp:209:14:
error: use of undeclared identifier 'UNW_STEP_SUCCESS'; did you mean
'UNW_ESUCCESS'?
return UNW_STEP_SUCCESS;
^~~~~~~~~~~~~~~~
UNW_ESUCCESS
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