C:\strawberry\cpan\build\JavaScript-1.12-M_rctc>perl makefile.pl

Is your SpiderMonkey compiled with JS_THREADSAFE (most things will fail if you answer wrong)? [y/N]  
Is your SpiderMonkey compiled with support for unicode (t/23-unicode.t will fail if you answer wrong) ? [y/N] [N] N
Do you want support for E4X (requires SpiderMonkey > 1.5) ? [y/N] [N] N
In file included from test_js.c:2:
JavaScript_Env.h:8:19: error: jsapi.h: No such file or directory
JavaScript_Env.h:9:22: error: jsdbgapi.h: No such file or directory
JavaScript_Env.h:10:22: error: jsinterp.h: No such file or directory
JavaScript_Env.h:11:19: error: jsfun.h: No such file or directory
JavaScript_Env.h:12:19: error: jsobj.h: No such file or directory
JavaScript_Env.h:13:19: error: jsprf.h: No such file or directory
JavaScript_Env.h:14:21: error: jsscope.h: No such file or directory
Failed compiling test_js.c. ABORTING