Package: bumblebee Version: 3.2.1-5 Severity: wishlist Usertags: goto-cc During a rebuild of all Debian packages in a clean sid chroot (using cowbuilder and 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 -Wall -Waggregate-return -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes -Winline -Wformat=2 -pipe -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -Wextra -funsigned-char -DGITVERSION='"3.2.1"' -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wl,-z,relro -o bin/bumblebeed src/pci.o src/bbconfig.o src/bblogger.o src/bbrun.o src/bbsocket.o src/module.o src/bbsecondary.o src/switch/switching.o src/switch/sw_bbswitch.o src/switch/sw_switcheroo.o src/driver.o src/bumblebeed.o -lX11 -lbsd -lglib-2.0 -lrt error: conflicting function declarations "switcheroo_status" old definition in module switching file src/switch/switching.h line 56 enum switch_state (void) new definition in module sw_switcheroo file src/switch/sw_switcheroo.c line 37 signed int (void) Makefile:496: recipe for target 'bin/bumblebeed' failed make[1]: *** [bin/bumblebeed] Error 64 make[1]: Leaving directory '/srv/jenkins-slave/workspace/sid-goto-cc-bumblebee/bumblebee-3.2.1' dh_auto_build: make -j1 returned exit code 2 debian/rules:8: recipe for target 'build' failed make: *** [build] Error 2 The declaration suggests that the implementation might actually return values other than those prescribed by the enum; yet it really uses only fixed constants, hence the definition here http://sources.debian.net/src/bumblebee/3.2.1-5/src/switch/sw_switcheroo.c?hl=37#L37 as well as the type of the "ret" variable should be amended to make sure no such error creeps in. Best, Michael
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