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From: "Charlie Hand" <charlie AT hand-family DOT org>
To: cygwin AT sourceware DOT cygnus DOT com
Date: Tue, 29 Feb 2000 14:19:21 -0800
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Subject: Re: Make problem
Reply-to: charlie AT hand-family DOT org
In-reply-to: <4.1.20000229143001.02152f00@pop.mathworks.com>
References: <200002291816 DOT NAA15176 AT smtp DOT mathworks DOT com>
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> At 10:16 AM 2/29/00 -0800, Charlie Hand wrote:
> >> I'm running bash 2.06 on Windows98.
> >> 
> >> I'm trying to learn how to use make in this environment.
> >> 
> >> Every time make tries to execute a command, it says:
> >> /c: /c: No such file or directory
> >> 
> >> It gives this same message regardless of the command.
> >> 
> >> For example, for the following small makefile:
> >> 
> >> SHELL = bash
> >> ProjectX::
> >> 	echo hello
> >> 
> >> The output is:
> >> 
> >> "C:/cygnus/cygwin-b20/H-i586-cygwin32/bin/bash.exe"-2.02$ make
> >> echo hello
> >> /c: /c: No such file or directory
> >> make: *** [ProjectX] Error 127
> >> 
> >> I can run the command "echo hello" at the bash prompt, and it runs 
> >> correctly. In general, I can run commands in the shell, and never 
> >> have any problems, nor do I ever see this "/c: /c:" thing.
> >> 
> >> I've tried the --win32 switch, and it doesn't make any difference.
> >
> >I removed the SHELL=bash assignment, and it works correctly. It 
> >even appears to be running commands in bash.
> >
> 
> This is  what is happening, Charlie. You are running Cygnus make in its
> win32 mode. In this mode, make uses the DOS command shell switch /c to
> launch commands. However, you then tell make to use bash as the SHELL. In
> win32 mode, make does know anything about Unix shells. So it continues to
> use /c as the command switch even though it is now using unknowingly a Unix
> shell. Thus, in effect with your little make file, make is doing
> 
> bash /c "echo hello"
> 
> Now, if you don't believe me, fire up bash in Emacs and enter 
> 
> bash -c "echo hello"
> 
> and then
> 
> bash /c "echo hello"
> 
> and observe the output of make in each case. You will note that in the
> latter case the error message is exactly the one you are getting. If you
> want to use bash as your make shell, you have to run make in Unix mode,
> which you do by setting the Cygnus environment variable MAKE_MODE to Unix.
> This BTW is in the FAQ item that I posted in response to your plea for any
> information on the Cygnus version of make and that you then cavalierly
> dismissed as obvious. 

The result is the same for:

MAKE_MODE=UNIX
SHELL=bash
target::
	ls

or

SHELL=bash
target::
	ls

The only way to run simple commands such as "ls" or "echo hello"
was to delete SHELL=bash.

-Charlie

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