Re: [Mingw-w64-public] Relocation errors when linking with static libstdc++ starting with GCC 6 (64-bit only)

[Nakai Y. <na...@li...>]

Hi

Any short test case to reproduce?

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________________________________________
差出人: Ricardo Constantino <wi...@gm...>
送信日時: 2016年7月24日 21:30
宛先: min...@li...
件名: [Mingw-w64-public] Relocation errors when linking with static libstdc++ starting with GCC 6 (64-bit only)

Both FFmpeg and mpv when linking with -lstdc++ fail with these exact errors when compiling with x86_64-w64-mingw32 GCC 6.1

There errors are only fixed by not including libs which need libstdc++ or by reverting to GCC 5.4. Haven't tried not using static libstdc++, since I'd prefer not depending on non-native DLLs.

Something like this probably needs to be done in mingw64 as well: https://github.com/gcc-mirror/gcc/commit/40c727c8722ab47a821e2fe371f1b6b96be0200d


C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_Z35_txnal_cow_string_C1_for_exceptionsPvPKcS_+0x2c): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_RU1'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_Z35_txnal_cow_string_C1_for_exceptionsPvPKcS_+0x39): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `transaction clone for operator new[](unsigned long long)'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_Z35_txnal_cow_string_C1_for_exceptionsPvPKcS_+0x5d): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_memcpyRtWn'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_Z23_txnal_cow_string_c_strPKv+0x1): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_RU8'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_Z23_txnal_sso_string_c_strPKv+0x1): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_RU8'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_Z20_txnal_cow_string_D1Pv+0x5): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_RU8'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_Z20_txnal_cow_string_D1Pv+0x1e): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_addUserCommitAction'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_ZGTtNSt11logic_errorC1EPKc+0x2e): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_memcpyRnWt'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_ZGTtNSt11logic_errorC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x2e): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_memcpyRnWt'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_ZGTtNSt11logic_errorC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x36): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `_ITM_RU8'
C:/builds/ab/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/6.1.0\libstdc++.a(cow-stdexcept.o):(.text$_ZGTtNSt11logic_errorD0Ev+0x1a): additional relocation overflows omitted from the output
collect2.exe: error: ld returned 1 exit status

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