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Re: loading dynamic modules in a static shell
- X-seq: zsh-users 7005
- From: Vincent <zsh@xxxxxxxxxxx>
- To: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
- Subject: Re: loading dynamic modules in a static shell
- Date: Sun, 18 Jan 2004 23:37:08 -0600
- Cc: zsh-users@xxxxxxxxxx
- In-reply-to: <040118103901.ZM10059@xxxxxxxxxxxxxxxxxxxxxxx>
- Mailing-list: contact zsh-users-help@xxxxxxxxxx; run by ezmlm
- References: <20040118121441.GA29157@xxxxxxxxxxxxxxxxx> <040118103901.ZM10059@xxxxxxxxxxxxxxxxxxxxxxx>
On Sun, Jan 18, 2004 at 10:39:01AM -0800, Bart Schaefer wrote:
> On Jan 18, 6:14am, Vincent wrote:
> > Is it supposed to be possible to compile a static shell with part of
> > the modules built in and to be able to load the remaining modules with
> > zmodload?
> Yes; in fact the default is for zsh/main to be static-linked and all the
> other modules to be dynamic.
> > not been able to get it to work. I don't know if there is another way
> > I am supposed to do it but If I tried setting some with link=dynamic
> > and some with link=static in config.modules it would not work.
> That's the way you're supposed to do it. However, I think you may be a
> little confused about the procedure:
> > It only compiled either static or dynamic based on how the ldflags
> > were set when it was configured with configure. I compiled zsh-4.0.9
> > configured with "configure --enable-ldflags=-static"
> That's the first mistake. You want one of
> configure --enable-dynamic (the default)
> configure --disable-dynamic
> Do not specify the -static or -shared ldflags yourself directly; they are
> independent of whether individual modules are static-linked.
> For a mix of static and dynamic modules, you must start by configuring a
> dynamic shell, then edit config.modules to select the modules that you
> want linked static.
Hi Bart. Thanks for the response.
The problem is, if I start by configuring a dynamic shell, then it is
dynamically linked with the system libraries. ie.
libncurses.so.5 => /usr/lib/libncurses.so.5 (0x2806b000)
libm.so.2 => /usr/lib/libm.so.2 (0x280ab000)
libc.so.5 => /usr/lib/libc.so.5 (0x280c8000)
I was trying to create a static shell for /bin on FreeBSD but I wanted
to still have part of the modules dynamically loaded to keep it from
> > installed it, then reconfigured it as shared, did a "make modules" and
> > installed the dynamic modules. However, when I try loading one of the
> > dynamic modules that are not statically linked in, such as zftp, it
> > just says "zsh: failed to load module: zsh/zftp".
> Did you ever actually edit config.modules to set "link=static" for zftp?
> If so, did you also set "auto=no" so that re-running configure would not
> clobber your changes?
> > I have searched the FAQ, mailing lists, and documentation, but have
> > not found any information that helps me.
> The INSTALL file should tell you just about everything you need to know.
Yes, I experimented with editing the config.modules file but, as you
mentioned, I could not get it to create any dynamic modules if I
configured the shell to be static. The INSTALL file just mentions
dynamic vs. static modules. It does not discuss creating a static
shell that is not dynamically linked with the system libraries.
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