checking for c++... c++ checking whether we are using the GNU C++ compiler... yes checking whether c++ accepts -g... yes checking dependency style of c++... none c++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.cpp c++ -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.cpp c++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.cpp c++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-d.cc test-d.cc:47:11: warning: unused variable 'test' [-Wunused-variable] c++ -Wl,-z,defs -o test test-a.o test-b.o test-c.o test-d.o -ltest rm c++test.h c++\ test.c