+x86_64-linux-gnu-g++ -g -O2 -fstack-protector-strong -fstack-clash-protection -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.cpp
+x86_64-linux-gnu-g++ -g -O2 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.cpp
+x86_64-linux-gnu-g++ -g -O2 -fstack-protector-strong -fstack-clash-protection -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.cpp
+x86_64-linux-gnu-g++ -g -O2 -fstack-protector-strong -fstack-clash-protection -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]
+x86_64-linux-gnu-g++ -Wl,-z,defs -o test test-a.o test-b.o test-c.o test-d.o -ltest
+