Package: multipath-tools Version: 0.5.0-1 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.
[...] cc -shared -lpthread -ldevmapper -ldl -L../libmultipath -lmultipath -Wl,-soname=libmpathpersist.so.0 -g -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -Wunused -Wstrict-prototypes -fPIC -DLIB_STRING=\"lib\" -I../libmultipath -I../libmpathpersist -o libmpathpersist.so.0 mpath_persist.o mpath_updatepr.o mpath_pr_ioctl.o error: conflicting function declarations "devt2devname" old definition in module mpath_persist file mpathpr.h line 53 signed int (char *, char *) new definition in module util file util.h line 10 signed int (char *devname, signed int devname_len, char *devt) Makefile:22: recipe for target 'libmpathpersist.so.0' failed make[2]: *** [libmpathpersist.so.0] Error 64 For some reason mpathpr.h runs its own declaration of devt2devname rather than including util.h - compare the two declarations: http://sources.debian.net/src/multipath-tools/0.5.0-1/libmpathpersist/mpathpr.h?hl=53#L53 http://sources.debian.net/src/multipath-tools/0.5.0-1/libmultipath/util.h?hl=10#L10 Thus both the number and types of arguments are wrong here, resulting in undefined behaviour: http://sources.debian.net/src/multipath-tools/0.5.0-1/libmpathpersist/mpath_persist.c?hl=74#L74 Best, Michael
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