python datasrc/compile.py client_content_source > src/generated/client_data.cpp
generate_source
and its call sites in CMakeLists.txt
extern int __dummy[(int)(NUM_WEAPONS == 6)]; // make sure there are 5 weapons
static_assert(NUM_WEAPONS == 6, "WY U NO 6 Weapons?")
#define COMPILE_ASSERT(x) extern int __dummy[(int)x]
std::vector
is fine(?)