Bug#969577: caml-crush: FTBFS with GCC 10: multiple definition of `my_arch'

[Sebastian Ramacher]

Source: caml-crush
Version: 1.0.9-1
Severity: serious
Tags: ftbfs sid bullseye
Justification: fails to build from source (but built successfully in the past)

caml-crush fails to build with GCC 10:
| gcc  -Wl,-z,relro,-z,now -shared -Wl,-soname,libp11clienttcpssl.so -fPIC -o 
libp11client"".so pkcs11_rpc_xdr.o pkcs11_rpc_clnt.o modwrap_"".o 
modwrap_crpc.o modwrap_crpc_ssl.o -lpthread -lssl -Wl,-z,relro;
| /usr/bin/ld: modwrap_crpc.o:(.bss+0xa8): multiple definition of `my_arch'; 
modwrap_.o:(.bss+0xa8): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0xb0): multiple definition of `peer_arch'; 
modwrap_.o:(.bss+0xb0): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0x8): multiple definition of `is_Blocking'; 
modwrap_.o:(.bss+0x0): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0x20): multiple definition of `mutex'; 
modwrap_.o:(.bss+0x20): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0x60): multiple definition of 
`linkedlist_mutex'; modwrap_.o:(.bss+0x60): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0x88): multiple definition of `op_type'; 
modwrap_.o:(.bss+0x88): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0x90): multiple definition of 
`request_data'; modwrap_.o:(.bss+0x90): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0x98): multiple definition of `ssl'; 
modwrap_.o:(.bss+0x98): first defined here
| /usr/bin/ld: modwrap_crpc.o:(.bss+0xa0): multiple definition of `ctx'; 
modwrap_.o:(.bss+0xa0): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0x98): multiple definition of `ssl'; 
modwrap_.o:(.bss+0x98): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0xa0): multiple definition of `ctx'; 
modwrap_.o:(.bss+0xa0): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0x18): multiple definition of 
`is_Blocking'; modwrap_.o:(.bss+0x0): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0x20): multiple definition of `mutex'; 
modwrap_.o:(.bss+0x20): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0x60): multiple definition of 
`linkedlist_mutex'; modwrap_.o:(.bss+0x60): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0x88): multiple definition of 
`op_type'; modwrap_.o:(.bss+0x88): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0x90): multiple definition of 
`request_data'; modwrap_.o:(.bss+0x90): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0xa8): multiple definition of 
`my_arch'; modwrap_.o:(.bss+0xa8): first defined here
| /usr/bin/ld: modwrap_crpc_ssl.o:(.bss+0xb0): multiple definition of 
`peer_arch'; modwrap_.o:(.bss+0xb0): first defined here
| collect2: error: ld returned 1 exit status
| make[3]: *** [Makefile:39: crpc] Error 1
| make[3]: Leaving directory '/<<PKGBUILDDIR>>/build-SERVER/src/client-lib'
| make[2]: *** [Makefile:19: client] Error 2
| make[2]: Leaving directory '/<<PKGBUILDDIR>>/build-SERVER'
| dh_auto_build: error: cd build-SERVER && make -j1 
CUSTOM_SONAME=libp11clienttcpssl.so returned exit code 2
| make[1]: *** [debian/rules:45: override_dh_auto_build-SERVER] Error 25
| make[1]: Leaving directory '/<<PKGBUILDDIR>>'
| make: *** [debian/rules:53: build] Error 2
| dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2

Cheers
-- 
Sebastian Ramacher

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