Making check in src make[1]: Entering directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/src' make check-am make[2]: Entering directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/src' make[2]: Nothing to be done for `check-am'. make[2]: Leaving directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/src' make[1]: Leaving directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/src' Making check in tests make[1]: Entering directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/tests' make test-proc-info test-static-link test-strerror Gtest-bt Ltest-bt Gtest-exc Ltest-exc Gtest-init Ltest-init Gtest-concurrent Ltest-concurrent Gtest-resume-sig Ltest-resume-sig Gtest-dyn1 Ltest-dyn1 Gtest-trace Ltest-trace test-async-sig test-flush-cache test-init-remote test-mem test-setjmp test-ptrace Ltest-nomalloc Ltest-nocalloc rs-race run-check-namespace run-ptrace-mapper run-ptrace-misc make[2]: Entering directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/tests' make[2]: `test-proc-info' is up to date. make[2]: `test-static-link' is up to date. make[2]: `test-strerror' is up to date. /bin/sh ../libtool --tag=CC --mode=link gcc -U_FORTIFY_SOURCE -fexceptions -Wall -Wsign-compare -L/home/bincy/Downloads/libunwind/libunwind-1.0.1/src/.libs -o Gtest-bt Gtest-bt.o ident.o ../src/libunwind-x86_64.la libtool: link: gcc -U_FORTIFY_SOURCE -fexceptions -Wall -Wsign-compare -o .libs/Gtest-bt Gtest-bt.o ident.o -L/home/bincy/Downloads/libunwind/libunwind-1.0.1/src/.libs ../src/.libs/libunwind-x86_64.so /usr/local/bin/ld: Gtest-bt.o: undefined reference to symbol '_Ux86_64_getcontext' /usr/local/bin/ld: note: '_Ux86_64_getcontext' is defined in DSO /home/bincy/Downloads/libunwind/libunwind-1.0.1/src/.libs/libunwind.so.8 so try adding it to the linker command line /home/bincy/Downloads/libunwind/libunwind-1.0.1/src/.libs/libunwind.so.8: could not read symbols: Invalid operation collect2: ld returned 1 exit status make[2]: *** [Gtest-bt] Error 1 make[2]: Leaving directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/tests' make[1]: *** [check-am] Error 2 make[1]: Leaving directory `/home/bincy/Downloads/libunwind/libunwind-1.0.1/tests' make: *** [check-recursive] Error 1