Mail Archives: cygwin/2000/06/05/11:40:21
I forgot to mention: I see this behavior with both the 1.1.1 cygwin1.dll and
the 20000601 snapshot.
> -----Original Message-----
> From: Paul Stodghill [mailto:stodghil AT CS DOT Cornell DOT EDU]
> Sent: Monday, June 05, 2000 5:40 AM
> To: Cygwin Mailing List (E-mail)
> Subject: Very weird MAKE/PYTHON/ASH problem.
>
>
> I've got a very weird MAKE/PYTHON/ASH problem.
>
> Synopsis: Python running under Make cannot export a new PATH
> value unless
> SHELL variable in Make is overridden to something other than "sh.exe"
>
> "Huh?" I hear you say.
>
> Ok, Let's look at this one step at a time. Consider the
> following Makefile:
>
> milhouse% cat Makefile
> default:
> python foo.py
> other:
> echo ${SHELL}
>
> And the following Python file.
>
> milhouse% cat foo.py
> import os, os.path
>
> os.environ['PATH'] = "/some/junk" + os.pathsep +
> os.environ['PATH']
> os.environ['PATHX'] = "fooness"
>
> os.system("printenv")
>
>
> Now, typing "make" should print an environment in which /some/junk is
> prepended to PATH, right? Wrong!
>
> milhouse% make | egrep '^PATH'
> PATH=/home/stodghil/bib/bin:...
> PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
> PATHX=fooness
>
> What gives? I have no idea, but I discovered that overriding
> Make's SHELL
> variable seems to fix the problem. First, here is what Make's
> SHELL variable
> is initially set to
>
> milhouse% make other
> echo sh.exe
> sh.exe
>
> I tried setting SHELL to /bin/sh, /bin/bash, bash.exe, and
> sh.exe. Of the
> four, the first three work and the last fails.
>
> milhouse% make SHELL=/bin/sh | egrep '^PATH'
> PATH=/some/junk:/home/stodghil/bib/bin:...
> PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
> PATHX=fooness
>
> milhouse% make SHELL=/bin/bash | egrep '^PATH'
> PATH=/some/junk:/home/stodghil/bib/bin:...
> PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
> PATHX=fooness
>
> milhouse% make SHELL=bash.exe | egrep '^PATH'
> PATH=/some/junk:/home/stodghil/bib/bin:...
> PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
> PATHX=fooness
>
> milhouse% make SHELL=sh.exe | egrep '^PATH'
> PATH=/home/stodghil/bib/bin:...
> PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
> PATHX=fooness
>
> Does anyone have any idea what is going wrong?
>
> Thanks.
> ----
> Paul Stodghill <stodghil AT cs DOT cornell DOT edu>
> 4128 Upson Hall, Dept of CS, Cornell Univ., Ithaca, NY 14853
> http://www.cs.cornell.edu/stodghil/
> Voice: 607-254-8838 Fax: 607-255-4428
>
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