Package: bfgminer Version: 3.10.0-2 Usertags: goto-cc During a rebuild of all packages in a clean sid chroot (and cowbuilder+pbuilder) the build failed with the following error. Please note that we use our research compiler tool-chain (using tools from the cbmc package), which permits extended reporting on type inconsistencies at link time.
[...] gcc -std=gnu99 -DHAVE_CONFIG_H -I. -fno-strict-aliasing -I./lib -I./lib -I/usr/include/libusb-1.0 -DCGMINER_PREFIX='"/usr/share/bfgminer"' -pthread -I/usr/include/libblkmaker-0.1 -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -c -o bfgminer-miner.o `test -f 'miner.c' || echo './'`miner.c file miner.c line 2553 function calc_midstate: in expression `(void)0': conversion from `void' to `void *': implicit conversion not permitted CONVERSION ERROR make[3]: *** [bfgminer-miner.o] Error 64 make[3]: Leaving directory `/srv/jenkins-slave/workspace/sid-goto-cc-bfgminer/bfgminer-3.10.0' make[2]: *** [all-recursive] Error 1 The reason for the error lies in the macro definitions of swap32tole (and the same applies for swap32tobe): http://sources.debian.net/src/bfgminer/3.10.0-2/miner.h?hl=724,731#L724 The C standard requires that both the true and false case of a conditional operator have the same type. Here, however, the true case has type void, whereas the false case has void*. Either of the cases need to be amended to ensure well-defined behaviour. Best, Michael
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