Builds gc-eu-mq-dbg OK from clean after
1) make setup
2) python3 -m tools.assets.extract -j
3) replace 0x80A8E610 with sShadowTex in extracted/gc-eu-mq-dbg/assets/overlays/ovl_En_Jsjutan/sShadowMaterialDL.inc.c
4) make various symbols in extracted data like sTex static