Package: mpack Version: 1.6-8 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 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -O2 -g -Wall -Wl,-z,relro -o mpack unixpk.o encode.o codes.o magic.o unixos.o xmalloc.o md5c.o unixpk.o: In function `main': /srv/jenkins-slave/workspace/sid-goto-cc-mpack/mpack-1.6/unixpk.c:179: warning: the use of `mktemp' is dangerous, better use `mkstemp' or `mkdtemp' error: conflicting function declarations "warn" old definition in module unixpk file unixpk.c line 304 void (void) new definition in module unixos file unixos.c line 41 void (char *) Makefile:187: recipe for target 'mpack' failed make[1]: *** [mpack] Error 64 make[1]: Leaving directory '/srv/jenkins-slave/workspace/sid-goto-cc-mpack/mpack-1.6' debian/rules:27: recipe for target 'build-stamp' failed make: *** [build-stamp] Error 2 It seems that (at least) the following definitions of the function warn exist: http://sources.debian.net/src/mpack/1.6-8/unixpk.c?hl=304#L304 http://sources.debian.net/src/mpack/1.6-8/macmpack.c?hl=220#L220 Depending on which of them the linker chooses, the behaviour will differ quite drastically. Best, Michael
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