The error message is: [228/274] Compiling example-clients/simdtests.cpp ... [243/274] Linking build/example-clients/jack_simdtests ... ld: example-clients/simdtests.cpp.28.o: undefined reference to symbol '__gxx_personality_v0@@CXXABI_1.3' ld: /gnu/store/9xmlrmk7vnlzwq5049500r9lrcf6ikqq-gcc-7.5.0-lib/lib/libstdc++.so.6: error adding symbols: DSO missing from command line collect2: error: ld returned 1 exit status ... Waf: Leaving directory `/tmp/guix-build-jack2-1.9.13.drv-0/jack2-1.9.13/build' Build failed -> task in 'jack_simdtests' failed with exit status 1 (run with -v to display more information) command "python" "waf" "build" failed with status 1
Following the advice and running "python waf build -v", the executed gcc command is printed: Build failed -> task in 'jack_simdtests' failed with exit status 1: {task 281472893294736: cprogram simdtests.cpp.28.o -> jack_simdtests} ['/gnu/store/ap7hgyv4rjqmhg4a6cb6cypsh3g1f5q4-gcc-7.5.0/bin/gcc', '-Wl,-rpath=/gnu/store/bwmp037cg6gfz31j9q441j800mvk7wva-jack2-1.9.13/lib', 'example-clients/simdtests.cpp.28.o', '-o/tmp/guix-build-jack2-1.9.13.drv-0/jack2-1.9.13/build/example-clients/jack_simdtests', '-Wl,-Bstatic', '-Wl,-Bdynamic', '-Lcommon', '-L/gnu/store/zwrg5jwyj1222vyjdpmppijzhz04sqid-opus-1.3.1/lib', '-L/gnu/store/mpm43myhw7difa8p3a9xnag3zb6pnn4b-dbus-1.12.16/lib', '-ljack', '-lpthread', '-lopus', '-ldb', '-lrt', '-ldl', '-ldbus-1', '-lm'] Andreas