setting the default verbosity allow to obtain the failing g++ command with its parameters, but still not obvious reason from the std-output. === ... abuild@vm61:~/rpmbuild/BUILD/libcmis-0.5.0/qa/libcmis> make test-atom AM_DEFAULT_VERBOSITY=1 /bin/sh ../../libtool --tag=CXX --mode=link g++ -fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -g -Wall -pedantic -Weffc++ -Wshadow -Wendif-labels -Wextra -Wsign-promo -Woverloaded-virtual -Wnon-virtual-dtor -Wsign-promo -o test-atom test_atom-test-atom.o test_atom-test-helpers.o test_atom-test-main.o ../../qa/mockup/libcmis-mockup.la -lxml2 -lcppunit -lboost_date_time-mt libtool: link: g++ -fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-tables -fasynchronous-unwind-tables -g -Wall -pedantic -Weffc++ -Wshadow -Wendif-labels -Wextra -Wsign-promo -Woverloaded-virtual -Wnon-virtual-dtor -Wsign-promo -o test-atom test_atom-test-atom.o test_atom-test-helpers.o test_atom-test-main.o ../../qa/mockup/.libs/libcmis-mockup.a /usr/lib64/libxml2.so -ldl -lz -llzma -lm -lcppunit -lboost_date_time-mt -Wl,-rpath -Wl,/usr/lib64 -Wl,-rpath -Wl,/usr/lib64 /usr/lib64/gcc/powerpc64le-suse-linux/5/../../../../powerpc64le-suse-linux/bin/ld: ../../qa/mockup/.libs/libcmis-mockup.a(ws-relatedmultipart.o):(.toc+0x50): unresolvable R_PPC64_ADDR64 against `rand@@GLIBC_2.17' /usr/lib64/gcc/powerpc64le-suse-linux/5/../../../../powerpc64le-suse-linux/bin/ld: final link failed: Nonrepresentable section on output collect2: error: ld returned 1 exit status Makefile:860: recipe for target 'test-atom' failed make: *** [test-atom] Error 1 ===