Package: libsndfile Version: 1.0.25-9 Severity: minor 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.
[...] CXXLD cpp_test conflict on char_is_unsigned: old value in module cpp_test: 0 new value in module utils: 1 Makefile:702: recipe for target 'cpp_test' failed make[3]: *** [cpp_test] Error 1 make[3]: Leaving directory '/srv/jenkins-slave/workspace/sid-goto-cc-libsndfile/libsndfile-1.0.25/tests' Makefile:1012: recipe for target 'check-am' failed make[2]: *** [check-am] Error 2 make[2]: Leaving directory '/srv/jenkins-slave/workspace/sid-goto-cc-libsndfile/libsndfile-1.0.25/tests' Makefile:504: recipe for target 'check-recursive' failed make[1]: *** [check-recursive] Error 1 make[1]: Leaving directory '/srv/jenkins-slave/workspace/sid-goto-cc-libsndfile/libsndfile-1.0.25' debian/rules:36: recipe for target 'build-stamp' failed Indeed cpp_test is compiled without -funsigned-char: $make cpp_test V=1 x86_64-linux-gnu-g++ -DHAVE_CONFIG_H -I. -I../src -I../src -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -Wall -Wextra -Wcast-align -Wcast-qual -Wshadow -Wwrite-strings -Wctor-dtor-privacy -Wnon-virtual-dtor -Woverloaded-virtual -Wreorder -Wsign-promo -Wundef -MT cpp_test.o -MD -MP -MF .deps/cpp_test.Tpo -c -o cpp_test.o cpp_test.cc mv -f .deps/cpp_test.Tpo .deps/cpp_test.Po This inconsistency may lead to undefined behaviour. Best, Michael
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