dpkg-buildpackage: source package test

gcc -g -O2 -fstack-protector-strong -fstack-clash-protection -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-a.c
gcc    -O2 -fstack-protector-strong -fstack-clash-protection -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-b.c
gcc -g     -fstack-protector-strong -fstack-clash-protection -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -c test-c.c