Package: gperf Version: 3.0.4-1 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.
[...] gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wl,-z,relro -o cout cinset.c test.o error: conflicting function declarations "in_word_set" old definition in module cinset file cinset.c line 104 const char * (const char *str, unsigned int len) new definition in module test file ./test.c line 11 char * (const char *, signed int) Makefile:70: recipe for target 'check-link-c' failed make[2]: *** [check-link-c] Error 64 make[2]: Leaving directory '/srv/jenkins-slave/workspace/sid-goto-cc-gperf/gperf-3.0.4/tests' Makefile:57: recipe for target 'check' failed While technically undefined behaviour, at least the parameter name "len" suggests that all actual parameters will be positive integers. The declaration in test.c should nevertheless be fixed to enable the compiler to generate more suitable diagnostics. Best, Michael
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