Toolchain package versions: ... dpkg-dev_1.16.1.2 ...
dpkg-buildpackage: source package test

gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -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 -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-c.c
gcc -g -O3 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-d.c
gcc -Wl,-z,relro -o test test-a.o test-b.o test-c.o -ltest

# --parm=ssp-buffer-size=4 can also be written with a space.
gcc -g -O2 -fstack-protector --param ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test.c

Build finished at 20120308-1648