* winsup.h: Eliminate inclusion of most of the cygwin .h files. Use .h files

only in sources which require them.
* Makefile.in: Generate dependencies with -MD option.

winsup/cygwin/path.h

@@ -108,6 +108,9 @@ int __stdcall get_device_number (const char *name, int &unit, BOOL from_conv = F
 int __stdcall slash_unc_prefix_p (const char *path);
 int __stdcall check_null_empty_path (const char *name);
 
+const char * __stdcall find_exec (const char *name, path_conv& buf, const char *winenv = "PATH=",
+			int null_if_notfound = 0, const char **known_suffix = NULL);
+
 /* Common macros for checking for invalid path names */
 
 #define check_null_empty_path_errno(src) \