Index: win32-nat.c
===================================================================
RCS file: /cvs/src/src/gdb/win32-nat.c,v
retrieving revision 1.56
diff -r1.56 win32-nat.c
126c126,127
< static DWORD main_thread_id;	/* Thread ID of the main thread */
---
> static DWORD main_thread_id;		/* Thread ID of the main thread */
> static pid_t cygwin_pid;		/* pid of cygwin process */
142,144d142
< /* Path to shell */
< static char shell[MAX_PATH + 1];
< 
1463a1462,1463
>   char shell[MAX_PATH + 1]; /* Path to shell */
>   const char *sh;
1471c1471
<   if (!useshell || !shell[0])
---
>   if (!useshell)
1479,1480c1479,1485
<       char *newallargs = alloca (sizeof (" -c 'exec  '") + strlen (exec_file)
< 				 + strlen (allargs) + 2);
---
>       char *newallargs;
>       sh = getenv ("SHELL");
>       if (!sh)
> 	sh = "/bin/sh";
>       cygwin_conv_to_win32_path (sh, shell);
>       newallargs = alloca (sizeof (" -c 'exec  '") + strlen (exec_file)
> 			   + strlen (allargs) + 2);
1500c1505
<     /* This code use to assume all env vars were file names and would
---
>     /* This code used to assume all env vars were file names and would
1816d1820
<   const char *sh;
1823,1836d1826
< 
<   sh = getenv ("SHELL");
<   if (!sh)
<     sh = "/bin/sh";
<   if (access (sh, X_OK) != 0)
<     {
<       shell[0] = '\0';
<       useshell = 0;
<     }
<   else
<     {
<       cygwin_conv_to_win32_path (sh, shell);
<       useshell = 1;
<     }