--- /dev/null
+gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
+gcc -g -O2 -fstack-protector -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
+gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -D_FORTIFY_SOURCE=2 -c test-c.c
+gcc -Wl,-z,relro -o test test-a.o test-b.o test-c.o -ltest
+
+# Compiling and linking in one step must also check CFLAGS/CPPFLAGS.
+gcc -Wl,-z,relro -o test test.c -ltest
+gcc -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest