> I remember my GCC complaining about asm-statements. I've compiled Opcode with gcc 2.95 (Dev-CPP mingw), disabling most "#ifdef WIN32" (i've change it for WIN32_) and with: #define acosf acos #define asinf asin #define sqrtf sqrt trimesh tests runs "perfectly" :) My 2 cents. Xfennec. http://raydium.cqfd-corp.org