Re: Interrupt/Exception caught (code = 0xc0000005, addr = 0x77c478ac)

> Date: Mon, 14 Sep 2009 12:56:10 -0700 (PDT)
> From: duanec <[email protected]>
> Cc: 
> 
> 
> The latest distribution, make-3.81-20090911-mingw32-bin, has a problem
> resulting in: Interrupt/Exception caught (code = 0xc0000005, addr =
> 0x420c2a)
> 
> In my (limited tests) the "triggering" condition seems to be:
>     Have _no_ PATH
>     Call GNU make
>     Makefile calls $(shell) function.

Funny that you should report it, because a patch to fix this bug was
submitted just yesterday.  Here it is:

2009-09-14  Rafi Einstein  <[email protected]>  (tiny patch)

	* w32/subproc/sub_proc.c (process_begin): Check *ep non-NULL
	inside the loop that looks up environment for PATH.


Index: w32/subproc/sub_proc.c
===================================================================
RCS file: /sources/make/make/w32/subproc/sub_proc.c,v
retrieving revision 1.19
diff -u -r1.19 sub_proc.c
--- w32/subproc/sub_proc.c	14 Mar 2009 14:42:06 -0000	1.19
+++ w32/subproc/sub_proc.c	14 Sep 2009 18:17:21 -0000
@@ -441,13 +441,14 @@
 	/* Use the Makefile's value of PATH to look for the program to
 	   execute, because it could be different from Make's PATH
 	   (e.g., if the target sets its own value.  */
-	for (ep = envp; ep; ep++) {
-		if (strncmp (*ep, "PATH=", 5) == 0
-		    || strncmp (*ep, "Path=", 5) == 0) {
-			path_var = *ep + 5;
-			break;
+	if (envp)
+		for (ep = envp; *ep; ep++) {
+			if (strncmp (*ep, "PATH=", 5) == 0
+			    || strncmp (*ep, "Path=", 5) == 0) {
+				path_var = *ep + 5;
+				break;
+			}
 		}
-	}
 	exec_handle = find_file(exec_path, path_var,
 				exec_fname, sizeof(exec_fname));