How to fix below errors in calling tcl from c.
fatal error: tcl.h: No such file or directory
compilation terminated.
/tmp/ccDMFXuU.o: In function `main':
tcl_from_c.c:(.text+0x22): undefined reference to `Tcl_CreateInterp'
tcl_from_c.c:(.text+0x39): undefined reference to `Tcl_Eval'