4371e635d6
1edddf5de41b053049ce0b0bdbc39c2fbb743c40 Avoid GCC 7.1 ABI change warning in guix build (Pieter Wuille)
Pull request description:
The arm-linux-gnueabihf guix build output is littered with warnings like:
```
/gnu/store/7a96hdqdb2qi8a39f09n84xjy2hr23rs-gcc-cross-arm-linux-gnueabihf-8.4.0/include/c++/bits/stl_vector.h:1085:4: note:
parameter passing for argument of type '__gnu_cxx::__normal_iterator<CRecipient*, std::vector<CRecipient> >' changed in GCC 7.1
```
These are irrelevant for us. Disable them using `-Wno-psabi`.
ACKs for top commit:
laanwj:
ACK 1edddf5de41b053049ce0b0bdbc39c2fbb743c40
hebasto:
ACK 1edddf5de41b053049ce0b0bdbc39c2fbb743c40, after thorough reading related materials, I agree this change can be merged. As I mentioned above, I have been compiling my arm-32bit binaries with `-Wno-psabi` flag for two years, and no related flaws were observed.
Tree-SHA512: 485c7500547ac5da567ad23847341c18ff832607f5a1002676404cc647e437cf3445b6894ecff5b52929ca52bea946c06bd90eace1997c895e56204e787065e4
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