Date: Mon, 15 Jul 2013 19:24:11 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: gahr@FreeBSD.org Cc: tcltk@FreeBSD.org Subject: Re: weird problem with git gui Message-ID: <51E4222B.8010605@FreeBSD.org> In-Reply-To: <51E416DF.6040903@FreeBSD.org> References: <51E3AD58.6030001@FreeBSD.org> <20130715083241.GB21355@gahrfit.gahr.ch> <51E416DF.6040903@FreeBSD.org>
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on 15/07/2013 18:35 Andriy Gapon said the following:
[snip]
> I do not have any conclusions or solution, but i have some further observations.
> It seems that in my environment tcl wants to manipulate 'environ' global
> variable directly instead of using putenv/setenv/tec. I am not sure why this is
> preferred, but unix/tclUnixPort.h defines USE_PUTENV only for __CYGWIN__ or APPLE.
[snip]
>
> ... and now I also know why I have this problem on this particular machine!
> I have a patched version of libfreetype (print/freetype2 with custom
> 'infinality' patch). So apparently the unmodified version does not call setenv
> and so tcl has full control. On the other hand with my version setenv confuses tcl.
>
> I think that in general we should allow setenv to be called from beyond tcl
> control even while under tcl interpreter. So I consider this to be an exotic
> bug in tcl. Not sure how to proceed from here though.
>
This patch seems to help me:
--- unix/tclUnixPort.h.orig 2012-06-26 22:29:18.000000000 +0300
+++ unix/tclUnixPort.h 2013-07-15 19:19:59.609561609 +0300
@@ -115,6 +115,10 @@
# define TclOSstat stat
# define TclOSlstat lstat
#endif
+#ifdef __FreeBSD__
+# define USE_PUTENV 1
+# define USE_PUTENV_FOR_UNSET 1
+#endif
/*
*---------------------------------------------------------------------------
--- generic/tclEnv.c.orig 2012-06-26 22:29:18.000000000 +0300
+++ generic/tclEnv.c 2013-07-15 19:20:15.441564839 +0300
@@ -395,7 +395,7 @@
* that no = should be included, and Windows requires it.
*/
-#if defined(__WIN32__) || defined(__CYGWIN__)
+#if defined(__WIN32__) || defined(__CYGWIN__) || defined(__FreeBSD__)
string = ckalloc(length + 2);
memcpy(string, name, (size_t) length);
string[length] = '=';
--
Andriy Gapon
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