The declaration of the analyze_mode flag was in an XBOARD-controlled
conditional code section.
char *start_pos, start_data[512]; // [HGM] undo: for remembering start position
int move_list[1024], move_ptr;
+char analyze_mode;
#ifdef XBOARD
#define IF(X) else if(!strcmp(command, X))
int myTime, hisTime, movesPerSession, inc, plyNr;
char xboard_mode;
-char analyze_mode;
void
xboard_to_CSA( tree_t * restrict ptree, char *in, char *out )