Fixed #23. Fixed a bug of f_check script about generating link flags.

Changelog.txt

@@ -14,6 +14,7 @@ common:
 	  issue #21 on github)
 	* Provided an error message when the arch is not supported.(Refs 
 	  issue #19 on github)
+	* Fixed issue #23. Fixed a bug of f_check script about generating link flags.
 
 x86/x86_64:
 	* 

f_check

@@ -274,6 +274,7 @@ if ($link ne "") {
 	    && ($flags !~ /kernel32/)
 	    && ($flags !~ /advapi32/)
 	    && ($flags !~ /shell32/)
+		&& ($flags !~ /^\-l$/)
 	    ) {
 	    $linker_l .= $flags . " ";
 	}